ClassID:

167322

G01N2001/305 - CPC Classification

Classification description:

Sampling; Preparing specimens for investigation; Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. ,; Staining; Impregnating Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis Fixative compositions

Sub-classes:
Recent Application in this class:
#1
20260133101
2026-05-14

METHOD FOR DIFFERENTIAL WHITE BLOOD CELL COUNTING USING WHOLE BLOOD IN A FLUID STATE

#2
20260110033
2026-04-23

MULTIPLEX CELLULAR REFERENCE MATERIALS

#3
20260071941
2026-03-12

ALCOHOL-FREE METHOD FOR PREPARATION OF DRY TISSUE

#4
20260049908
2026-02-19

METHODS AND DEVICES FOR MANIPULATING BIOLOGICAL SAMPLES

#5
20260045445
2026-02-12

CONDUCTIVE FIXATION FOR ELECTRON MICROSCOPY

#6
20260022337
2026-01-22

SICKLE CELL POTENCY ASSAY

#7
20260016380
2026-01-15

METHOD FOR PREPARING DYEING SAMPLE

#8
20260002849
2026-01-01

SEQUENTIAL CROSSLINKING WITH HYDROPHOBIC AND HYDROPHILIC CHEMICAL CROSSLINKERS FOR SAMPLE PRESERVATION

#9
20260002848
2026-01-01

METHOD FOR PREPARING BIOLOGICAL, HISTOLOGICAL, AUTOPSICAL, CYTOLOGICAL SAMPLES AND COMPOSITION THEREFOR

#10
20250389659
2025-12-25

PROCESSING AND IMAGING TISSUE SAMPLES

#11
20250369980
2025-12-04

MULTIOMIC MASS SPECTROMETRIC IMAGING OF TISSUES USING PHOTOCLEAVABLE MASS-TAG PROBES

#12
20250347597
2025-11-13

COMPUTER-IMPLEMENTED CLASSIFICATION OF CIRCULATING TUMOR CELLS USING FLUORESCENCE IMAGE FEATURES AND MACHINE LEARNING CONFIDENCE SCORING

#13
20250313890
2025-10-09

ANALYSIS OF ANALYTES AND SPATIAL GENE EXPRESSION

#14
20250305918
2025-10-02

METHOD OF PREPARING A FROZEN BIOLOGICAL SAMPLE

#15
20250283790
2025-09-11

METHOD FOR PROCESSING IONIC LIQUID PREPARATION AND TISSUE, AND APPLICATION THEREOF

#16
20250281258
2025-09-11

METHOD OF MARKING A CUTANEOUS TISSUE SAMPLE FOR PATHOLOGICAL STUDY

#17
20250257393
2025-08-14

METHODS AND COMPOSITIONS FOR DETECTING NUCLEIC ACIDS IN A FIXED BIOLOGICAL SAMPLE

#18
20250244212
2025-07-31

METHODS AND SYSTEMS FOR IMAGING BIOPSY SAMPLES

#19
20250243545
2025-07-31

IN SITU HYBRIDIZATION METHODS FOR USE WITH FROZEN BONE MARROW ASPIRATE

#20
20250216300
2025-07-03

REVERSIBLE FIXING REAGENTS AND METHODS OF USE THEREOF

#21
20250207200
2025-06-26

MULTIPLEX CELLULAR REFERENCE MATERIALS

#22
20250164357
2025-05-22

ISOLATING EXTRACELLULAR MATRIX BODIES

#23
20250146912
2025-05-08

FIXATIVE SOLUTIONS AND METHODS FOR USING SAME

#24
20250123190
2025-04-17

TISSUE CHAMBER

#25
20250093285
2025-03-20

SUBCELLULAR SELF-TRACER ION IMAGING AND LOCALIZATION METHOD OF METAL ELEMENTS

#26
20250044284
2025-02-06

MATERIALS AND METHODS FOR ENHANCED DETECTION AND SCREENING OF MOLECULES OF THERAPEUTIC POTENTIAL

#27
20250044197
2025-02-06

METHODS AND DEVICES FOR MANIPULATING BIOLOGICAL SAMPLES

#28
20240417788
2024-12-19

SPATIALLY RESOLVED EPIGENOME-TRANSCRIPTOME CO-PROFILING

#29
20240377293
2024-11-14

SYSTEM AND METHOD FOR SAMPLE PROCESSING

#30
20240344943
2024-10-17

Method of Accelerated Histological Tissue Processing

#31
20240329053
2024-10-03

A CELL-BASED METHOD FOR DETECTING POTENTIALLY PATHOGENIC AUTOANTIBODIES TO NEURONAL NICOTINIC ACETYLCHOLINE RECEPTORS

#32
20240319051
2024-09-26

SPECIMEN TREATMENT METHOD

#33
20240230483
2024-07-11

CHOP-FIX METHOD AND CHOPPING DEVICE FOR PREPARING BIOLOGICAL SAMPLES

#34
20240175882
2024-05-30

OIL RED O STAINING SOLUTION AND OIL RED O STAINING METHOD

#35
20240094237
2024-03-21

AUTOMATIC METHOD AND DEVICE FOR REAGENT COMPENSATION AND STAINING INSTRUMENT

#36
20240094098
2024-03-21

VARIABLE POWER COLD MICROWAVE TISSUE PROCESSOR

#37
20240026335
2024-01-25

METHOD OF FIXATING A TISSUE SAMPLE

#38
20240019346
2024-01-18

Immunostaining Method, Sample Exchange Chamber, And Charged Particle Beam Apparatus

#39
20240019345
2024-01-18

CONTAINER FOR COLLECTING, TRANSPORTING AND STORING A BIOLOGICAL TISSUE SAMPLE

#40
20240019344
2024-01-18

METHOD FOR COLLECTING AND PRESERVING A BIOLOGICAL SAMPLE

#41
20230384186
2023-11-30

FIXATIVE COMPOSITIONS AND METHODS OF PRESERVING BIOLOGICAL SAMPLES

#42
20230366791
2023-11-16

ALL-OPTICAL VISUALIZATION OF SPECIFIC MOLECULES IN THE ULTRASTRUCTURAL CONTEXT OF BRAIN TISSUE

#43
20230304905
2023-09-28

SAMPLE PREPARATION FOR EXPANSION MICROSCOPY

#44
20230296483
2023-09-21

METHOD AND SYSTEM FOR EXTRACTING A PART OF A MICROSCOPIC SAMPLE

#45
20230280335
2023-09-07

DROPLET ORGANOID-BASED IMMUNO-ONCOLOGY ASSAYS AND METHODS OF USING SAME

#46
20230236211
2023-07-27

SYSTEMS AND METHODS FOR COVERSLIPPING SLIDES

#47
20230236094
2023-07-27

TRANSPARENTIZING PRETREATMENT METHOD OF BIOLOGICAL SAMPLE HAVING SIZE OF AT MOST 1 MM, AND TRANSPARENTIZING METHOD OF BIOLOGICAL SAMPLE INCLUDING SAME

#48
20230213416
2023-07-06

System and method for sample preservation

#49
20230204474
2023-06-29

Tissue chamber

#50
20230204470
2023-06-29

System and method for sample processing

#51
20230116191
2023-04-13

SWELLABLE PHOTOPOLYMERIZED HYDROGELS FOR EXPANSION MICROSCOPY

#52
20230055355
2023-02-23

ALCOHOL-BASED JELLY COMPOSITION FOR CELL FIXATION

#53
20230037279
2023-02-02

METHOD FOR DIAGNOSING DISEASES USING MULTIPLEX FLUORESCENCE AND SEQUENCING

#54
20230034039
2023-02-02

METHODS OF PRESERVING A BIOLOGICAL SAMPLE

#55
20230017439
2023-01-19

PRESERVATION OF NUCLEIC ACID SEQUENCES BY FIXING TISSUES IN BUFFERED FORMALIN PREPARED WITH ACID-DEPRIVED FORMALDEHYDE

#56
20220414878
2022-12-29

Image analysis of epithelial component of histologically normal prostate biopsies predicts the presence of cancer

#57
20220389492
2022-12-08

RNA fixation and detection in CLARITY-based hydrogel tissue

#58
20220334031
2022-10-20

REVERSIBLE FIXING REAGENTS AND METHODS OF USE THEREOF

#59
20220325072
2022-10-13

ZWITTERIONIC CROSSLINKERS, HYDROGELS COMPRISING ZWITTERIONIC CROSSLINKERS, AND METHODS FOR MAKING AND USING

#60
20220317129
2022-10-06

METHOD FOR PREPARING BIOLOGICAL MATERIAL FOR MICROSCOPY ANALYSIS

#61
20220307950
2022-09-29

Hard Tissue Slice Anti-Falling Pretreatment Device And Anti-Falling Pretreatment Method

#62
20220236150
2022-07-28

Analytic substrate coating apparatus and method

#63
20220170916
2022-06-02

IMMUNOASSAY METHOD AND IMMUNOASSAY DEVICE

#64
20220154145
2022-05-19

SICKLE CELL POTENCY ASSAY

#65
20220113231
2022-04-14

SYSTEMS AND METHODS FOR IDENTIFYING RARE CELLS

#66
20220113230
2022-04-14

Biological collection system

#67
20220107245
2022-04-07

METHODS FOR PREPARING LIVE CELLS FOR ANALYSIS AND DETERMINING LOCALIZATION OF MEMBRANE-BOUND PROTEINS

#68
20220042883
2022-02-10

Method for collecting and preserving a biological sample

#69
20220018778
2022-01-20

Processing and imaging tissue samples

#70
20220018745
2022-01-20

A METHOD FOR PREPARING LYMPHOCYTE SAMPLE FOR FLOW CYTOMETRY ANALYSIS

#71
20220002812
2022-01-06

METHOD FOR DIAGNOSING DISEASES USING MULTIPLEX FLUORESCENCE AND SEQUENCING

#72
20210389325
2021-12-16

IMAGING MASS SPECTROMETRY AND USES THEREOF

#73
20210389216
2021-12-16

FIXATION OF A BIOLOGICAL MATERIAL

#74
20210388413
2021-12-16

METHOD FOR THREE-DIMENSIONAL NUCLEIC ACID IMAGING DIAGNOSIS OF TISSUE BY USING ISOTHERMAL NUCLEIC ACID AMPLIFICATION

#75
20210381937
2021-12-09

FIXATION OF A BIOLOGICAL MATERIAL

#76
20210371436
2021-12-02

NOVEL HEAVY METAL ION-LIGAND-COMPLEXES USEFUL AS EX VIVO CONTRAST AGENT FOR A COMPUTED TOMOGRAPHY SCANNING OF A BIOLOGICAL SAMPLE, EX VIVO METHOD FOR INVESTIGATING A BIOLOGICAL SAMPLE, AND USE OF THE COMPLEXES

#77
20210333178
2021-10-28

SMART CARRIER BASKETS AND BASKET ARRAYS AND METHODS OF MAKING AND USING THE SAME

#78
20210333177
2021-10-28

Charge-resistant epoxy resins for electron microscopy applications

#79
20210311080
2021-10-07

ERYTHROCYTE SIMULATING PARTICLE, PREPARATION METHOD THEREFOR, AND QUALITY CONTROL OR CALIBRATOR CONTAINING SAME

#80
20210302284
2021-09-30

METHOD AND APPARATUS FOR CELL STAINING WITHOUT CELL LOSS

#81
20210293669
2021-09-23

System and method for preserving a surgically explanted tissue sample

#82
20210285852
2021-09-16

Methods to isolate cells from fixed tissue

#83
20210270704
2021-09-02

METHODS AND SYSTEMS FOR PREPARING AND ANALYZING CELLULAR SAMPLES FOR MORPHOLOGICAL CHARACTERISTICS AND BIOMARKER EXPRESSION

#84
20210270703
2021-09-02

METHOD FOR ISOLATING NUCLEI AND CELLS FROM TISSUES

#85
20210255070
2021-08-19

Analytic substrate coating apparatus and method

#86
20210247279
2021-08-12

TISSUE SAMPLING

#87
20210231540
2021-07-29

Method for preparation of tissue sections

#88
20210231538
2021-07-29

DISSOCIATION OF BIOLOGICAL SAMPLES

#89
20210190652
2021-06-24

Multiplexed expansion (MultiExM) pathology

#90
20210190649
2021-06-24

Specimen preparation method for eliminating membrane penetration effect on highly-weathered rock

#91
20210108994
2021-04-15

METHOD AND COMPOSITION FOR STAINING AND SAMPLE PROCESSING

#92
20210040139
2021-02-11

Composition for clearing spheroids, method for clearing spheroids using same, and kit comprising same

#93
20210007722
2021-01-14

Tissue cassette/block file position flag and method related thereto

#94
20200378876
2020-12-03

Composition for biological tissue transparency and method for biological tissue transparency using same

#95
20200378875
2020-12-03

Devices and methods for tissue and cell staining

#96
20200373121
2020-11-26

Conductive fixation for electron microscopy

#97
20200348216
2020-11-05

Tissue chamber

#98
20200308281
2020-10-01

T cell receptor antigen binding molecules and methods of use thereof

#99
20200284705
2020-09-10

Method for visualizing neurons

#100
20200284704
2020-09-10

Devices, solutions and methods for sample collection

#101
20200271554
2020-08-27

Heavy metal ion-hematein-complexes useful as ex vivo contrast agent for a computed tomography scanning of a biological sample, ex vivo method for investigating a biological sample, and use of the complexes

#102
20200271553
2020-08-27

Composition for biotissue clearing and biotissue clearing method using same

#103
20200217762
2020-07-09

Analytic substrate coating apparatus and method

#104
20200202525
2020-06-25

Image analysis of epithelial component of histologically normal prostate biopsies predicts the presence of cancer

#105
20200132574
2020-04-30

TEM electromechanical in-situ testing method of one-dimensional materials

#106
20200096425
2020-03-26

Method and system for imaging and analysis of a biological specimen

#107
20200088748
2020-03-19

METABOLIC PROFILING OF FIXED SAMPLES

#108
20200064350
2020-02-27

Selective near-infrared optical imaging of necrotic cells and simultaneous cell fixing and counter staining with metallacrown complexes

#109
20190382838
2019-12-19

Methods For Single-Molecule Fluorescence Amplification Of RNA

#110
20190369017
2019-12-05

METHODS AND SYSTEMS FOR ANALYZING TISSUE QUALITY USING MID-INFRARED SPECTROSCOPY

#111
20190360901
2019-11-28

Tissue chamber

#112
20190352720
2019-11-21

MULTIPLEX CELLULAR REFERENCE MATERIALS

#113
20190293528
2019-09-26

Thermoplastic mounting medium and a method of its manufacture

#114
20190285518
2019-09-19

METHODS FOR PERSONALIZED DETECTION OF THE RECURRENCE OF CANCER OR METASTASIS AND/OR EVALUATION OF TREATMENT RESPONSE

#115
20190249136
2019-08-15

Method of coating surfaces with nanoparticles for biological analysis of cells

#116
20190234958
2019-08-01

Detection of Exon 14 Deletion in the Met Protein

#117
20190219549
2019-07-18

SRM/MRM Assay For The Tubulin Beta-3 Chain (TUBB3) Protein

#118
20190195752
2019-06-27

Analytic substrate coating apparatus and method

#119
20190178761
2019-06-13

METHOD AND APPARATUS FOR CELL BLOCK PREPARATION OF CYTOLOGY SPECIMENS

#120
20190177794
2019-06-13

MULTIPLEX CELLULAR REFERENCE MATERIALS

#121
20190145869
2019-05-16

Aldehyde scavenging agent for retrieving elements from fixed tissue

#122
20190127701
2019-05-02

MSC growth predictor assays

#123
20190119735
2019-04-25

RNA fixation and detection in clarity-based hydrogel tissue

#124
20190113423
2019-04-18

METHODS FOR PREPARING AND ANALYZING TUMOR TISSUE SAMPLES FOR DETECTION AND MONITORING OF CANCERS

#125
20190094115
2019-03-28

Systems and methods for identifying rare cells

#126
20190078985
2019-03-14

Hydrogel encapsulation of living organisms for long-term microscopy

#127
20190064037
2019-02-28

Methods for Expanding Clinical Tissue Specimens

#128
20190041303
2019-02-07

Tissue processing reagent

#129
20180364136
2018-12-20

SOLUTION AND METHOD FOR ADHERING SUSPENSION COMPONENTS TO A SUBSTRATE

#130
20180313726
2018-11-01

Cell preserving solution

#131
20180306688
2018-10-25

METHOD AND KIT FOR STAINING NEURAL TISSUE SAMPLE AND METHOD FOR VISUALIZING NEURONS

#132
20180306687
2018-10-25

Composition for clearing of biotissue and clarity method for biotissue using thereof

#133
20180292126
2018-10-11

Drawer assembly for a laboratory instrument

#134
20180291465
2018-10-11

MATERIALS AND METHODS FOR ASSESSMENT OF COLORECTAL ADENOMA

#135
20180246094
2018-08-30

Dried cellulose-treated tissue for in-vitro complement activation assays and diagnostic kits

#136
20180238897
2018-08-23

Selective near-infrared optical imaging of necrotic cells and simultaneous cell fixing and counter staining with metallacrown complexes

#137
20180238779
2018-08-23

Prefixation for increased rare cell recovery

#138
20180217037
2018-08-02

METHOD OF PREPARING A FROZEN BIOLOGICAL SAMPLE

#139
20180217033
2018-08-02

Kit, Composition and Method for Preparing a Specimen for Imaging and Method for Diagnosing a Disease

#140
20180195937
2018-07-12

Analytic substrate coating apparatus and method

#141
20180045622
2018-02-15

Method and system for imaging and analysis of a biological specimen

#142
20180018816
2018-01-18

Integrated method for three-dimensional visualization reconstruction of the fascicular structure inside human peripheral nerves

#143
20170370811
2017-12-28

Universal system, method and solution for the acceleration of the process of fixing, dehydrating and clearing the structure of biological tissue

#144
20170336303
2017-11-23

METHODS FOR TISSUE SAMPLE FIXATION USING AN EXTENDED SOAK IN ALDEHYDE-BASED SOLUTIONS

#145
20170318801
2017-11-09

Method of preserving cells

#146
20170248599
2017-08-31

Methods of assaying RNA from fetal extravillous trophoblast cells isolated from a maternal endocervical sample

#147
20170233792
2017-08-17

Fixation Method for Single Cell Analysis

#148
20170212020
2017-07-27

Embedding medium for biological samples, method for producing embedded biological samples, and use thereof

#149
20170205320
2017-07-20

METHOD AND APPARATUS FOR CELL BLOCK PREPARATION OF CYTOLOGY SPECIMENS

#150
20170191909
2017-07-06

Tissue processing reagent

#151
20170191907
2017-07-06

Tissue processing reagent

#152
20170184477
2017-06-29

COMPOSITIONS, METHODS, AND SYSTEMS FOR TISSUE FIXATION

#153
20170184476
2017-06-29

Method of retrieving elements from fixed tissue

#154
20170153166
2017-06-01

Analytic substrate coating apparatus and method

#155
20170112477
2017-04-27

TISSUE SAMPLE DEVICE AND METHODS

#156
20170108414
2017-04-20

HIGH-RESOLUTION THREE-DIMENSIONAL IMAGING OF MAMMALIAN HEARTS

#157
20170052173
2017-02-23

SPERM COUNT QUALITY CONTROLS

#158
20170016807
2017-01-19

DEVICE FOR SAMPLE COLLECTION

#159
20160355890
2016-12-08

CELL PREPARATIONS AND CELL SUPPORTS AND THEIR USE IN THERANOSIS

#160
20160313224
2016-10-27

Method for Preparing FFPE Quality Control Material with Bulking Agent

#161
20160157837
2016-06-09

Container and method for collecting, transporting and storing biological tissue samples

#162
20160123854
2016-05-05

Methods for phenotyping of intact whole tissues

#163
20160123851
2016-05-05

Cell staining method and sample collection tube used for the same

#164
20160003715
2016-01-07

Simultaneous dehydration and staining of tissue for deep imaging

#165
20150316453
2015-11-05

METHOD FOR FORMING A LIQUID FILM ON A SUBSTRATE

#166
20150300930
2015-10-22

Tissue sample preparation, and MALDI MS imaging thereof

#167
20150285718
2015-10-08

Kit for producing cleared biological specimens and method for producing cleared biological specimens

#168
20150226650
2015-08-13

Universal system, method and solution for the acceleration of the process of fixing, dehydrating and clearing the structure of biological tissue

#169
20150192502
2015-07-09

STABILIZATION METHOD FOR BIOLOGICAL SAMPLES BY COMBINATION OF HEATING AND CHEMICAL FIXATION

#170
20150148243
2015-05-28

Method for reversible fixation or selective lysis of cell using photocleavable polymer

#171
20150087001
2015-03-26

Methods for phenotyping of intact whole tissues

#172
20140272962
2014-09-18

Materials and methods for assessment of colorectal adenoma

#173
20140186883
2014-07-03

Processor for processing histological samples

#174
20120122150
2012-05-17

Stabilization method for biological samples by combination of heating and chemical fixation

#175
20120037072
2012-02-16

Analytic substrate coating method

#176
20120036945
2012-02-16

Analytic substrate coating method

#177
20110308452
2011-12-22

Analytic substrate coating apparatus and method

#178
20110006257
2011-01-13

STABILIZED POWDERED FORMALDEHYDE

#179
20100248295
2010-09-30

Analytic substrate coating method

#180
20100248294
2010-09-30

Analytic substrate coating method

#181
20100173295
2010-07-08

FIXATION OF A BIOLOGICAL MATERIAL

#182
20090325222
2009-12-31

Tissue sample preparation and MALDI MS imaging thereof

#183
20090136992
2009-05-28

Simplified tissue processing

#184
20080268496
2008-10-30

Composition for the preparation of histological, autopsical, cytological samples

#185
20080153127
2008-06-26

High quality, continuous throughput, tissue processing

#186
20070259395
2007-11-08

Stabilized powdered formaldehyde

#187
20070105187
2007-05-10

Methods for fixing cytological samples

#188
20060233943
2006-10-19

Analytic substrate coating apparatus and method

#189
20060231023
2006-10-19

Analytic substrate coating apparatus and method

#190
20050142631
2005-06-30

Composition for the preparation of histological, autopsical, cytological samples

#191
20050090017
2005-04-28

Simplified tissue processing

#192
17519655
2025-07-22

Enrichment of surgical specimens for tumor tissue

#193
17398510
2026-02-17

Fluorescent hybridization of antibody-oligonucleotide for multiplexing and signal amplification

#194
17172868
2025-10-21

Methods for detecting binding of peptide-MHC monomers to T cells

#195
15787185
2018-10-16

Solution and method for adhering suspension components to a substrate