ClassID:

87333

C03B2201/04 - CPC Classification

Classification description:

Type of glass produced; Pure silica glass, e.g. pure fused quartz; Impurity concentration specified Hydroxyl ion (OH)

Recent Application in this class:
#1
20250051211
2025-02-13

TUBULAR COMPOSITE BODY OF QUARTZ GLASS AND METHOD FOR PRODUCING AND USING THE SAME

#2
20250002391
2025-01-02

Optical Fiber Drawing Apparatus and Method Thereof

#3
20220340469
2022-10-27

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

#4
20220115570
2022-04-14

Silica glass member for hermetic sealing of ultraviolet SMD LED element and method for manufacturing quartz glass member for ultraviolet led

#5
20220017404
2022-01-20

LARGE-SIZED HOLLOW POROUS QUARTZ GLASS PREFORM AND METHOD OF MANUFACTURING THE SAME

#6
20210226105
2021-07-22

SILICA GLASS MEMBER FOR HERMETIC SEALING OF ULTRAVIOLET SMD LED ELEMENT AND METHOD FOR MANUFACTURING QUARTZ GLASS MEMBER FOR ULTRAVIOLET LED

#7
20200361806
2020-11-19

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

#8
20200123039
2020-04-23

PREPARATION OF A QUARTZ GLASS BODY

#9
20190152827
2019-05-23

PREPARATION OF QUARTZ GLASS BODIES FROM SILICON DIOXIDE POWDER

#10
20190092676
2019-03-28

PREPARATION OF A QUARTZ GLASS BODY IN A HANGING SINTER CRUCIBLE

#11
20190092675
2019-03-28

Preparation of quartz glass bodies with dew point monitoring in the melting oven

#12
20190092674
2019-03-28

Preparation of an opaque quartz glass body

#13
20190077688
2019-03-14

PREPARATION OF A QUARTZ GLASS BODY IN A HANGING METAL SHEET CRUCIBLE

#14
20190071344
2019-03-07

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

#15
20190062198
2019-02-28

Glass fibers and pre-forms made of homogeneous quartz glass

#16
20190062194
2019-02-28

STEAM TREATMENT OF SILICON DIOXIDE POWDER IN THE PREPARATION OF QUARTZ GLASS

#17
20190062193
2019-02-28

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

#18
20190055150
2019-02-21

HOMOGENEOUS QUARTZ GLASS FROM PYROGENIC SILICON DIOXIDE GRANULATE

#19
20180362385
2018-12-20

Preparation of a synthetic quartz glass grain

#20
20180079676
2018-03-22

Perforated quartz glass tube and method for manufacturing perforated quartz glass tube

#21
20160152504
2016-06-02

Low scattering silica glass and method for heat-treating silica glass

#22
20150114284
2015-04-30

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

#23
20150098682
2015-04-09

Optical fiber preform, method for producing optical fiber, and optical fiber

#24
20140360491
2014-12-11

Solar radiation receiver having an entry window made of quartz glass and method for producing an entry window

#25
20140254997
2014-09-11

Optical fiber preform, method for producing optical fiber, and optical fiber

#26
20140123705
2014-05-08

Free-formed quartz glass ingots and method for making same

#27
20130302001
2013-11-14

Low-loss optical fiber over wide wavelength range and method of manufacturing the same

#28
20130239623
2013-09-19

Methods for making active laser fibers

#29
20130115391
2013-05-09

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

#30
20120324958
2012-12-27

Methods for manufacturing optical fiber preform and methods for manufacturing optical fiber

#31
20120213685
2012-08-23

Optical member for deep ultraviolet and process for producing same

#32
20120182622
2012-07-19

Synthesized silica glass for optical component

#33
20120118018
2012-05-17

OPTICAL FIBER PREFORM, METHOD OF MANUFACTURING OPTICAL FIBER PREFORM, AND METHOD OF MANUFACTURING OPTICAL FIBER

#34
20120093471
2012-04-19

Low loss optical fiber designs for confining optical power to low-doped regions

#35
20120036896
2012-02-16

Method of manufacturing an optical fibre preform

#36
20120033924
2012-02-09

Low loss optical fiber designs and methods for their manufacture

#37
20110201714
2011-08-18

High purity silica monoliths and process for the synthesis thereof

#38
20100307197
2010-12-09

Method for producing a cylinder from synthetic quartz glass

#39
20100287993
2010-11-18

MCVD optical fiber method with partial removal of substrate tube

#40
20100260949
2010-10-14

SYNTHETIC SILICA GLASS TUBE FOR THE PRODUCTION OF A PREFORM

#41
20100212582
2010-08-26

Modification process of synthetic silica powder and its quartz glass product

#42
20100162759
2010-07-01

High purity fused silica with low absolute refractive index

#43
20100158459
2010-06-24

Long Lifetime Optical Fiber and Method

#44
20100081554
2010-04-01

Method for producing a hollow cylinder of synthetic quartz glass, and thickwalled hollow cylinder obtained according to the method

#45
20100041538
2010-02-18

Fused silica glass and process for producing the same

#46
20090232463
2009-09-17

Low loss optical fiber designs for confining optical power to low-doped regions

#47
20090142547
2009-06-04

Fused silica blank and method of forming a fused silica plate from the same

#48
20090084141
2009-04-02

Single Mode Optical Fiber and Manufacturing Method Therefor

#49
20080292882
2008-11-27

SYNTHETIC QUARTZ GLASS WITH FAST AXES OF BIREFRINGENCE DISTRIBUTED IN CONCENTRIC-CIRCLE TANGENT DIRECTIONS AND PROCESS FOR PRODUCING THE SAME

#50
20080271495
2008-11-06

Reduction of optical fiber cane/preform deformation in consolidation

#51
20080268201
2008-10-30

Low OH glass for infrared applications

#52
20080028799
2008-02-07

Optical fiber preform manufacturing method

#53
20080011019
2008-01-17

METHOD OF MANUFACTURING OPTICAL FIBER PREFORM AND METHOD OF DETERMINING DEHYDRATED CONDITION OF POROUS GLASS PREFORM

#54
20070277555
2007-12-06

Process for producing synthetic quartz glass and synthetic quartz glass for optical member

#55
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

#56
20070209400
2007-09-13

Method For Producing An Optical Component

#57
20070003198
2007-01-04

Low loss optical fiber designs and methods for their manufacture

#58
20060281623
2006-12-14

Free-formed quartz glass ingots and method for making the same

#59
20060258525
2006-11-16

Transparent silica glass luminescent material and process for producing the same

#60
20060216527
2006-09-28

Optical fiber preform with overclad tubes

#61
20060213231
2006-09-28

Optical fiber manufacture

#62
20060204189
2006-09-14

Manufacturing method of optical fiber preform, manufacturing method of optical fiber, and optical fiber

#63
20060191294
2006-08-31

Synthetic silica glass tube for the production of a preform, method for producing the same in a vertical drawing process and use of said tube

#64
20060183623
2006-08-17

Synthetic quartz glass for optical member and its production method

#65
20060174651
2006-08-10

Method for producing quartz glass crucible for use in pulling silicon single crystal and quartz glass crucible produced by said method

#66
20060137398
2006-06-29

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

#67
20060137397
2006-06-29

High transmission synthetic silica glass and method of making same

#68
20060130530
2006-06-22

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

#69
20060115913
2006-06-01

Optical fiber preform, method of manufacturing optical fiber preform, and method of manufacturing optical fiber

#70
20060059948
2006-03-23

Production process of synthetic quartz glass

#71
20060008218
2006-01-12

Method of manufacturing an optical fibre, a preform and an optical fibre

#72
20050276555
2005-12-15

Glass-body-producing method and optical glass body and optical fiber

#73
20050262877
2005-12-01

Method of depositing glass soot

#74
20050257570
2005-11-24

Method and device for producing a blank mold from synthetic quartz glass by using a plasma-assisted deposition method

#75
20050232571
2005-10-20

Jacket tube made of synthetically produced quartz glass and optical fibres produced using said jacket tube

#76
20050223747
2005-10-13

Method for making low loss optical fiber

#77
20050201699
2005-09-15

Low loss optical fiber and method for making same

#78
20050176572
2005-08-11

Synthetic quartz glass

#79
20050172676
2005-08-11

Method for the production of a cylindrical quartz glass body having a low oh content

#80
20050120751
2005-06-09

Method for manufacturing a preform for optical fibres

#81
20050092030
2005-05-05

Method and apparatus for depositing glass soot

#82
20050000253
2005-01-06

Method of manufacture of low water peak single mode optical fiber

#83
20050000252
2005-01-06

Method and apparatus for fabricating optical fiber preform using double torch in mcvd