ClassID:

87332

C03B2201/03 - CPC Classification

Classification description:

Type of glass produced; Pure silica glass, e.g. pure fused quartz Impurity concentration specified

Sub-classes:
Recent Application in this class:
#1
20250208338
2025-06-26

OPTICAL FIBER WITH LOW CHLORINE CONCENTRATION IMPROVEMENTS RELATING TO LOSS AND ITS USE, METHOD OF ITS PRODUCTION AND USE THEREOF

#2
20240319436
2024-09-26

Preform for optical fiber with low chlorine concentration improvements relating to loss and its use, method of its production and use thereof

#3
20230161100
2023-05-25

Laser system using low-chlorine hollow core optical fiber

#4
20220373733
2022-11-24

Optical fiber with low chlorine concentration improvements relating to loss and its use, method of its production and use thereof

#5
20210047223
2021-02-18

Method for fabrication of glass preform

#6
20190092674
2019-03-28

Preparation of an opaque quartz glass body

#7
20190062198
2019-02-28

Glass fibers and pre-forms made of homogeneous quartz glass

#8
20190062197
2019-02-28

Preparation of quartz glass bodies from silicon dioxide granulate

#9
20180362385
2018-12-20

Preparation of a synthetic quartz glass grain

#10
20160185649
2016-06-30

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

#11
20160096765
2016-04-07

Method for the manufacture of synthetic quartz glass

#12
20160032483
2016-02-04

Silicon block, method for producing the same, crucible of transparent or opaque fused silica suited for performing the method, and method for the production thereof

#13
20150218047
2015-08-06

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

#14
20150114284
2015-04-30

SILICA CONTAINER FOR PULLING SINGLE CRYSTAL SILICON AND METHOD FOR MANUFACTURING THE SAME

#15
20150059407
2015-03-05

Method for producing synthetic quartz glass granules

#16
20130115391
2013-05-09

High purity synthetic silica and items such as semiconductor jigs manufactured therefrom

#17
20120297833
2012-11-29

Method of molding synthetic silica glass molded body

#18
20120213685
2012-08-23

Optical member for deep ultraviolet and process for producing same

#19
20110226020
2011-09-22

Glass-tube extended-baking process

#20
20110130265
2011-06-02

SYNTHETIC SILICA GLASS MOLDED BODY, METHOD OF MOLDING THE SAME, AND METHOD OF INSPECTING SYNTHETIC SILICA GLASS MOLDED BODY

#21
20100266251
2010-10-21

Microstructured hollow core optical fiber using low chlorine concentration

#22
20100162759
2010-07-01

High purity fused silica with low absolute refractive index

#23
20100041538
2010-02-18

Fused silica glass and process for producing the same

#24
20100000465
2010-01-07

METHOD FOR PRODUCING VITREOUS SILICA CRUCIBLE

#25
20090123358
2009-05-14

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

#26
20080282743
2008-11-20

Extended-baking process for glass deposition tubes

#27
20080268201
2008-10-30

Low OH glass for infrared applications

#28
20080223078
2008-09-18

Process For the Production of Monoliths by Means of the Invert Sol-Gel Process

#29
20080213591
2008-09-04

Granules based on pyrogenically prepared silicon dioxide, method for their preparation and use thereof

#30
20080057291
2008-03-06

Quartz glass substrate and process for its production

#31
20070272685
2007-11-29

Quartz Glass Component For A Uv Radiation Source And Method For Producing And Testing The Aptitude Of Such A Quartz Glass Component

#32
20070003770
2007-01-04

High-purity pyrogenically prepared silicon dioxide

#33
20060258525
2006-11-16

Transparent silica glass luminescent material and process for producing the same

#34
20060216527
2006-09-28

Optical fiber preform with overclad tubes

#35
20060183624
2006-08-17

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

#36
20060183623
2006-08-17

Synthetic quartz glass for optical member and its production method

#37
20060144327
2006-07-06

Quartz glass crucible for the pulling up of silicon single crystal

#38
20060137398
2006-06-29

High refractive index homogeneity fused silica glass and method of making same

#39
20060137397
2006-06-29

High transmission synthetic silica glass and method of making same

#40
20060130530
2006-06-22

Method of doping silica glass with an alkali metal, and optical fiber precursor formed therefrom

#41
20060059948
2006-03-23

Production process of synthetic quartz glass

#42
20050223747
2005-10-13

Method for making low loss optical fiber

#43
20050201699
2005-09-15

Low loss optical fiber and method for making same

#44
20050129603
2005-06-16

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

#45
20050081565
2005-04-21

Method of producing higher-purity glass element, high-purity glass element, and production method and device for glass tube

#46
20050031867
2005-02-10

Optical fibers with improved resistance to ingressing molecules

#47
20050000404
2005-01-06

High purity silica crucible by electrolytic refining, and its production method and pulling method

#48
14862771
2016-08-23

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