ClassID:

87934

C03C2201/02 - CPC Classification

Classification description:

Glass compositions Pure silica glass, e.g. pure fused quartz

Recent Application in this class:
#1
20250388508
2025-12-25

SILICA GLASS POROUS BODY AND MANUFACTURING METHOD THEREFOR

#2
20250353781
2025-11-20

GLASS CLOTH AND METHOD OF MANUFACTURE

#3
20250327969
2025-10-23

OPTICAL FIBER

#4
20250313502
2025-10-09

SINTER-FREE LOW-TEMPERATURE 3D-PRINTING OF NANOSCALE OPTICAL GRADE FUSED SILICA GLASS

#5
20250178945
2025-06-05

GLASS SUBSTRATES COMPRISING SILICA-BASED GLASS WITH INCREASED HYDROXYL GROUP UNIFORMITY, AND METHODS OF FORMING THE SAME

#6
20250083066
2025-03-13

HEATING AND DEPOSITION FOR BENEFICIATION OF LUNAR REGOLITH

#7
20250067924
2025-02-27

PHOTONIC CRYSTAL FIBER, A METHOD OF PRODUCTION THEREOF AND A SUPERCONTINUUM LIGHT SOURCE

#8
20250051223
2025-02-13

DEVICE FOR HOLDING A TUBULAR SIO2 BLANK IN AN EXTERNAL DEPOSITION PROCESS AND METHOD FOR MANUFACTURING A TUBULAR SIO2 BLANK

#9
20250019299
2025-01-16

METHODS FOR PRODUCING LOCALIZED CRYSTALLIZATION IN GLASS ARTICLES AND GLASS ARTICLES FORMED THEREFROM

#10
20240279106
2024-08-22

QUARTZ GLASS CRUCIBLE, MANUFACTURING METHOD THEREOF, AND MANUFACTURING METHOD OF SILICON SINGLE CRYSTAL

#11
20240254651
2024-08-01

QUARTZ GLASS CRUCIBLE, MANUFACTURING METHOD THEREOF, AND MANUFACTURING METHOD OF SILICON SINGLE CRYSTAL

#12
20240228714
2024-07-11

GLASS FABRIC, PREPREG, AND PRINTED CIRCUIT BOARD

#13
20240217864
2024-07-04

GLASS BLOCK AND METHOD FOR PRODUCING SAME, AND MEMBER FOR SEMICONDUCTOR PRODUCTION APPARATUS

#14
20240217857
2024-07-04

POROUS GLASS BASE MATERIAL MANUFACTURING SYSTEM AND METHOD FOR MANUFACTURING GLASS BASE MATERIAL

#15
20240166552
2024-05-23

INORGANIC OXIDE POWDER

#16
20240140863
2024-05-02

Glass Cloth and Method of Manufacture

#17
20240132684
2024-04-25

GLASS FABRIC, PREPREG, AND PRINTED CIRCUIT BOARD

#18
20240121894
2024-04-11

GLASS FABRIC, PREPREG, AND PRINTED CIRCUIT BOARD

#19
20240111087
2024-04-04

Photonic crystal fiber, a method of production thereof and a supercontinuum light source

#20
20240083803
2024-03-14

Opaque quartz glass and a method for producing the same

#21
20240002273
2024-01-04

Black Quartz Glass and Method for Manufacturing Same

#22
20230312406
2023-10-05

QUARTZ GLASS SUBSTRATE WITH IMPROVED ADHESION OF THERMAL SPRAY COATING, ITS MANUFACTURING METHOD, AND METHOD FOR MANUFACTURING QUARTZ GLASS PARTS COVERED WITH THERMAL SPRAY COATING

#23
20230258830
2023-08-17

MANUFACTURING METHOD OF SCINTILLATOR MATERIAL AND SCINTILLATOR MATERIAL

#24
20230212054
2023-07-06

QUARTZ CONTAINER MANUFACTURING METHOD AND FORMING APPARATUS

#25
20230174423
2023-06-08

GLASS WAFER WITH THROUGH GLASS VIAS

#26
20220411322
2022-12-29

SILICA GLASS, HIGH FREQUENCY DEVICE USING SILICA GLASS, AND SILICA GLASS PRODUCTION METHOD

#27
20220342148
2022-10-27

Photonic crystal fiber, a method of production thereof and a supercontinuum light source

#28
20220340469
2022-10-27

Quartz glass with low content of hydroxyl and high purity and method for preparing the same

#29
20220169560
2022-06-02

Transparent beta-quartz glass ceramics

#30
20220091501
2022-03-24

Imprint mold-forming synthetic quartz glass substrate

#31
20220090290
2022-03-24

Quartz glass crucible

#32
20210395929
2021-12-23

ANNEALED QUARTZ GLASS CLOTH AND METHOD FOR MANUFACTURING SAME

#33
20210395134
2021-12-23

Low dielectric loss glasses for electronic devices

#34
20210311251
2021-10-07

Photonic crystal fiber, a method of production thereof and a supercontinuum light source

#35
20210310161
2021-10-07

Silica glass yarn and silica glass cloth

#36
20210173299
2021-06-10

Quartz glass plate

#37
20210047223
2021-02-18

Method for fabrication of glass preform

#38
20210009461
2021-01-14

Purification of quartz powders by removal of microparticles of refractory materials

#39
20200392032
2020-12-17

Silica glass crucible

#40
20200361806
2020-11-19

Preparation of a quartz glass body in a multi-chamber oven

#41
20200330704
2020-10-22

NOZZLE BODY AND SPRAYING DEVICE

#42
20200319401
2020-10-08

Photonic crystal fiber, a method of production thereof and a supercontinuum light source

#43
20200231490
2020-07-23

Low dielectric loss glasses for electronic devices

#44
20200140318
2020-05-07

Composition for inorganic molded article production use, and method for producing inorganic molded article

#45
20200123039
2020-04-23

PREPARATION OF A QUARTZ GLASS BODY

#46
20200115266
2020-04-16

Ultraviolet-Resistant Quartz Glass and Method of Producing the Same

#47
20200048527
2020-02-13

In-situ generation of glass-like materials inside subterranean formation

#48
20200024484
2020-01-23

POLISHING AGENT FOR SYNTHETIC QUARTZ GLASS SUBSTRATE, METHOD FOR MANUFACTURING THE POLISHING AGENT, AND METHOD FOR POLISHING SYNTHETIC QUARTZ GLASS SUBSTRATE

#49
20190330097
2019-10-31

Fused quartz container having low levels of surface defects

#50
20190258001
2019-08-22

Photonic crystal fiber, a method of production thereof and a supercontinuum light source

#51
20190071344
2019-03-07

Preparation of a quartz glass body in a melting crucible of refractory metal

#52
20190062197
2019-02-28

Preparation of quartz glass bodies from silicon dioxide granulate

#53
20190062193
2019-02-28

Preparation of a quartz glass body in a multi-chamber oven

#54
20190056249
2019-02-21

Rayleigh scattering based distributed fiber sensors with optimized scattering coefficients

#55
20190031554
2019-01-31

PREPARATION OF A QUARTZ GLASS BODY IN A STANDING SINTER CRUCIBLE

#56
20180362827
2018-12-20

In-situ generation of glass-like materials inside subterranean formation

#57
20180305236
2018-10-25

Method for producing synthetic quartz glass

#58
20180095219
2018-04-05

Low bend loss single mode optical fiber with bromine up-doped cladding

#59
20180057388
2018-03-01

Laser system and method forming a high purity fused silica glass sheet with micro-crenellations

#60
20170351023
2017-12-07

Photonic crystal fiber, a method of production thereof and a supercontinuum light source

#61
20170267571
2017-09-21

SURFACE NITRIDED ALKALI-FREE GLASSES CROSS-REFERENCE TO RELATED APPLICATIONS

#62
20170260081
2017-09-14

Method for preparing synthetic quartz glass substrate

#63
20170174560
2017-06-22

Opaque quartz glass and method for its production

#64
20160244359
2016-08-25

MAGNESIUM GLASS

#65
20160185649
2016-06-30

Optical fiber preform and method for manufacturing such optical fiber preform from a primary preform

#66
20160124143
2016-05-05

Hydrogen-resistant optical fiber

#67
20160090319
2016-03-31

Method for producing synthetic quartz glass of SiOgranulate and SiOgranulate suited therefor

#68
20160083557
2016-03-24

Filler powder and method for manufacturing same

#69
20150329408
2015-11-19

Surface nitrided alkali-free glasses

#70
20150218047
2015-08-06

Fused quartz tubing for pharmaceutical packaging and methods for making the same

#71
20150086630
2015-03-26

Composition and methods for enhancing surface reflectance

#72
20120321894
2012-12-20

Synthetic amorphous silica powder and method for producing same

#73
20120103017
2012-05-03

METHOD FOR PRODUCING A HIGHLY PURE QUARTZ GRANULATE

#74
20100183495
2010-07-22

PROCESS FOR PREPARING HIGH-PURITY SILICON DIOXIDE GRANULE

#75
20090123358
2009-05-14

Process for the Production of Monoliths by Means of the Sol-Gel Process

#76
20090104103
2009-04-23

Artificial quartz member, process for producing the same, and optical element comprising the same

#77
20090098997
2009-04-16

Production of a self-supporting glass film

#78
20090098370
2009-04-16

BLACK SYNTHETIC QUARTZ GLASS WITH A TRANSPARENT LAYER

#79
20060183624
2006-08-17

High-purity quartz powder, process for producing the same, and glass molding

#80
20060079387
2006-04-13

High homogeneity silica glass prepared through a sol-gel procedure

#81
20060059948
2006-03-23

Production process of synthetic quartz glass

#82
20050129603
2005-06-16

High-purity silica powder, and process and apparatus for producing it

#83
14862771
2016-08-23

Laser sintering system and method for forming high purity, low roughness silica glass