ClassID:

87947

C03C2201/28 - CPC Classification

Classification description:

Glass compositions; Doped silica-based glasses containing non-metals other than boron or halide containing phosphorus

Recent Application in this class:
#1
20260145989
2026-05-28

ION EXCHANGEABLE GLASS ARTICLES HAVING IMPROVED MECHANICAL DURABILITY

#2
20260008715
2026-01-08

OPTICAL GLASS WITH HIGH REFRACTIVE INDEX

#3
20250195208
2025-06-19

EAR IMPLANT

#4
20230202909
2023-06-29

GLASS POWDER COMPOSITE, AND METHOD OF PRODUCING GLASS POWDER COMPOSITE

#5
20230056119
2023-02-23

GLASSES HAVING HIGH FRACTURE TOUGHNESS

#6
20220220026
2022-07-14

GLASS-BASED ARTICLES WITH IMPROVED STRESS PROFILES

#7
20220106224
2022-04-07

Glasses and glass-ceramics and methods of making them

#8
20210038374
2021-02-11

EAR IMPLANT

#9
20200002225
2020-01-02

Glass-based articles with improved stress profiles

#10
20190300422
2019-10-03

Glasses having high fracture toughness

#11
20190233324
2019-08-01

HIGH TEMPERATURE OXIDATION PROTECTION FOR COMPOSITES

#12
20180251397
2018-09-06

Optical fiber with low loss and nanoscale structurally homogeneous core

#13
20180105452
2018-04-19

Glass composite for use in extreme ultra violet lithography

#14
20170022094
2017-01-26

Optical fiber with low loss and nanoscale structurally homogeneous core

#15
20160291246
2016-10-06

Multimode optical fiber

#16
20140220338
2014-08-07

Resorbable and biocompatible fibre glass compositions and their uses

#17
20140009822
2014-01-09

Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers

#18
20120250143
2012-10-04

Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers

#19
20120238434
2012-09-20

SILICA GLASS CONTAINING TIO2

#20
20120040002
2012-02-16

RESORBABLE AND BIOCOMPATIBLE FIBRE GLASS COMPOSITIONS AND THEIR USES

#21
20120014653
2012-01-19

Manufacturing method for optical fiber preform and optical fiber

#22
20110206341
2011-08-25

Ytterbium-doped optical fiber

#23
20110026106
2011-02-03

Ytterbium-doped optical fiber, fiber laser, and fiber amplifier

#24
20100329618
2010-12-30

Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers

#25
20100061415
2010-03-11

OPTICAL FIBRE MATERIAL COMPRISING SILICA-BASED GLASS WITH REDUCED PHOTO DARKENING

#26
20090180174
2009-07-16

RARE-EARTH-DOPED OPTICAL FIBER, OPTICAL FIBER AMPLIFIER, AND METHOD OF MANUFACTURING A PREFORM FOR SUCH FIBER

#27
20090123121
2009-05-14

RARE EARTH DOPED AND LARGE EFFECTIVE AREA OPTICAL FIBERS FOR FIBER LASERS AND AMPLIFIERS

#28
20080098771
2008-05-01

Process of making biomaterials

#29
20080069508
2008-03-20

Rare earth doped and large effective area optical fibers for fiber lasers and amplifiers