ClassID:

97462

C08B31/12 - CPC Classification

Classification description:

Preparation of derivatives of starch; Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch

Sub-classes:
Recent Application in this class:
#1
20260132226
2026-05-14

DISPERSIBLE AND BIODEGRADABLE MODIFIED STARCH ADDITIVE FOR REINFORCED POLYMERS

#2
20250223380
2025-07-10

Method for Preparation of Carboxyalkylated Polysaccharide and Method for Preparation of Biodegradable Super Absorbent Polymer Using The Same

#3
20250214059
2025-07-03

METHOD FOR PRODUCING WATER ABSORBENT RESIN

#4
20250101139
2025-03-27

AMPHIPHILIC POLYSACCHARIDES, POLYSACCHARIDE-BASED HYDROGELS, AND METHODS OF MANUFACTURE

#5
20250051690
2025-02-13

FUNCTIONALISED POLYSACCHARIDE

#6
20250002412
2025-01-02

HYDROXYPROPYLATED GRANULAR STARCH WITH LOW PROPYLENE GLYCOL CONTENT

#7
20240367147
2024-11-07

METHOD FOR PRODUCING WATER-SOLUBLE POLYMER AND METHOD FOR PRODUCING WATER-ABSORBING RESIN

#8
20240307311
2024-09-19

STARCH BASED PRINTABLE MATERIALS

#9
20240124616
2024-04-18

Graft copolymer and preparation method and use thereof

#10
20240009313
2024-01-11

MONOLITHIC COMPOSITION FOR DUAL-RATE RELEASE WITH HIGH DRUG LOADING

#11
20230331873
2023-10-19

METHOD FOR MODIFYING POLYSACCHARIDE MATERIAL BY SEQUENCED HOMOGENEOUS CHEMICAL FUNCTIONALISATION

#12
20220298265
2022-09-22

Amphiphilic polysaccharides, polysaccharide-based hydrogels, and methods of manufacture

#13
20220227893
2022-07-21

Starch-containing microsphere and preparation method and use thereof

#14
20210379187
2021-12-09

Monolithic composition for dual-rate release with high drug loading

#15
20210332156
2021-10-28

Hydroxypropyl starch for preparing empty capsules and hydroxypropyl starch-based soft capsules

#16
20210047440
2021-02-18

Amphiphilic polysaccharides, polysaccharide-based hydrogels, and methods of manufacture

#17
20210032373
2021-02-04

STARCH-CONTAINING MICROSPHERE AND PREPARATION METHOD AND USE THEREOF

#18
20200339705
2020-10-29

METHOD FOR MODIFYING POLYSACCHARIDE MATERIAL BY SEQUENCED HOMOGENEOUS CHEMICAL FUNCTIONALISATION

#19
20200190222
2020-06-18

DEGRADED HYDROXYALKYLATED STARCHES AND METHODS OF PREPARATION

#20
20190060466
2019-02-28

MONOLITHIC COMPOSITION FOR DUAL-RATE RELEASE WITH HIGH DRUG LOADING

#21
20190023972
2019-01-24

SHALE SWELLING INHIBITORS

#22
20180354852
2018-12-13

Joint compound with sulfonated starch

#23
20180319902
2018-11-08

Process for reducing propylene chlorohydrin in hydroxypropylated products

#24
20170208851
2017-07-27

Starch compositions useful for thickening aqueous liquids

#25
20170165404
2017-06-15

Modified starch material of biocompatible hemostasis

#26
20170136054
2017-05-18

Modified starch material of biocompatible hemostasis

#27
20170072069
2017-03-16

Bioactive agents included in functionalized starch having a single helix V-structure

#28
20170002098
2017-01-05

Modified biopolymers and methods of producing and using the same

#29
20160311933
2016-10-27

PROCESS FOR THE PREPARATION OF THIOL FUNCTIONALIZED HYDROXYALKYL STARCH DERIVATIVES

#30
20160185879
2016-06-30

MODIFIED STARCH

#31
20160046733
2016-02-18

Method for manufacturing hydroxyethyl starch derivatives

#32
20150344767
2015-12-03

Shale swelling inhibitors

#33
20150037426
2015-02-05

Modified starch material of biocompatible hemostasis

#34
20150024113
2015-01-22

Cold-water soluble extruded starch product

#35
20140128594
2014-05-08

Method for manufacturing hydroxyethyl starch derivatives

#36
20140010887
2014-01-09

Modified starch material of biocompatible hemostasis

#37
20130296543
2013-11-07

Method for the production of substituted polysaccharides via reactive extrusion

#38
20130289055
2013-10-31

Compressible, highly viscous polysaccharide and polyol powder

#39
20130251996
2013-09-26

Modified starch material of biocompatible hemostasis

#40
20130196949
2013-08-01

Hydroxyalkyl starch in combination with cytostatica for the treatment of cancers by reduction of tumor growth rates

#41
20120266869
2012-10-25

Cold-water soluble extruded starch product

#42
20120190839
2012-07-26

ACTIVE ESTERIFIED POLYSACCHARIDE AND METHOD FOR PRODUCING SAME

#43
20120172586
2012-07-05

Microprocessing in heterogeneous reaction mixtures

#44
20120088909
2012-04-12

Method for producing polysaccharide derivatives

#45
20120046240
2012-02-23

Method of Producing Hydroxyalkyl Starch Derivatives

#46
20110297185
2011-12-08

Acidic gases permeated carboxyalkyl starch and alkaline starch extrudates and process for making the same

#47
20110240010
2011-10-06

Process using hydrocyclones

#48
20110054152
2011-03-03

Hydroxyalkyl starch derivatives

#49
20100330257
2010-12-30

Non-digestible hydroxypropyl starch hydrolysate, method for production thereof and food and beverage

#50
20100317609
2010-12-16

Method of Producing Hydroxyalkyl Starch Derivatives

#51
20100298497
2010-11-25

Processes for making ethersuccinylated hydroxyl polymers

#52
20100298266
2010-11-25

Hydroxyethylstarch

#53
20100297078
2010-11-25

METHOD FOR PRODUCING A HYDROXYALKYL STARCH DERIVATIVE WITH TWO LINKERS

#54
20100258037
2010-10-14

Construction material composition

#55
20100221402
2010-09-02

Cold-water soluble extruded starch product

#56
20100113619
2010-05-06

HIGH-AMYLOSE SODIUM CARBOXYMETHYL STARCH SUSTAINED RELEASE EXCIPIENT AND PROCESS FOR PREPARING THE SAME

#57
20090263371
2009-10-22

Use polysaccharides for promotion of enzymatic activity

#58
20090214754
2009-08-27

Process for preparing starch suspensions and starch pastes having improved purity, and starch products

#59
20090062233
2009-03-05

Modified starch material of biocompatible hemostasis

#60
20080300400
2008-12-04

Process for starch modification

#61
20080300149
2008-12-04

Polysaccharide based cement additives

#62
20080213199
2008-09-04

Amphoteric Polysaccharide Compounds Containing Aldehyde Function(S), Composition Comprising Them and Cosmetic Use Thereof

#63
20080177057
2008-07-24

Superabsorbent surface-treated carboxyalkylated polysaccharides and process for producing same

#64
20080171213
2008-07-17

Use of Hydroxypropylated High Amylose Content Potato Starches to Achieve High Kit Numbers

#65
20070292376
2007-12-20

Use of a cationically modified hydrolysed starch as a hair fixative

#66
20070282014
2007-12-06

Hydroxyethylstarch

#67
20070134197
2007-06-14

Conjugates of hydroxyalkyl starch and a protein, prepared by reductive amination

#68
20070004915
2007-01-04

Process for obtaining hydroxypropylstarch (HPS) for use in the treatment of drilling wells

#69
20060287519
2006-12-21

Ethersuccinylated hydroxyl polymers

#70
20060235211
2006-10-19

Lactones of carboxylic acid polysaccharides and methods for forming conjugates thereof

#71
20060235193
2006-10-19

Biocompatible materials and probes

#72
20060032400
2006-02-16

Highly branched, unsubstituted or low-substituted starch products, dialysis solution and plasma expander containing the same, and the use thereof

#73
20060019877
2006-01-26

Hasylated polypeptides

#74
20050260316
2005-11-24

Cold-water soluble extruded starch product

#75
20050238723
2005-10-27

Method of producing hydroxyalkyl starch derivatives

#76
20050234230
2005-10-20

Hydroxyalkyl starch derivatives