C03C21/003 - CPC Classification Index

ClassID:

87810 ⎘

C03C21/003 - CPC Classification

Classification description:

Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions under application of an electrical potential difference

Recent Application in this class:

20250289751

2025-09-18

CHEMICALLY TEMPERED CRYSTALLIZED GLASS, AND CRYSTALLIZED GLASS TO BE CHEMICALLY TEMPERED

20250019298

2025-01-16

ELECTRONIC DEVICE HAVING SELECTIVELY STRENGTHENED GLASS

20240254039

2024-08-01

APPARATUS FOR MANUFACTURING GLASS ARTICLE AND METHOD FOR MANUFACTURING GLASS ARTICLE USING THE SAME

20230382788

2023-11-30

GLASS ARTICLE AND METHOD OF MANUFACTURING THE SAME

20230107600

2023-04-06

Electronic device having selectively strengthened glass

20220002193

2022-01-06

Strengthened glass manufacturing apparatus and strengthened glass manufacturing method using the same

20210206692

2021-07-08

Glass article and method of manufacturing the same

20200277224

2020-09-03

Electronic device having selectively strengthened glass

20170334774

2017-11-23

Electronic device having selectively strengthened glass

#10

20170334769

2017-11-23

Asymmetric chemical strengthening

#11

20170311466

2017-10-26

Witness layers for glass articles

#12

20170022098

2017-01-26

ELECTROCHEMICAL METHODS FOR CHEMICAL STRENGTHENING OF GLASS AND GLASS CERAMICS

#13

20150166407

2015-06-18

STRENGTHENED GLASS AND METHODS FOR MAKING UTILIZING ELECTRIC FIELD ASSIST

#14

20120236477

2012-09-20

Electronic device having selectively strengthened glass

#15

20110199687

2011-08-18

PROCESS FOR THE MANUFACTURE OF FLAT OPTICAL ELEMENTS AND ELEMENTS THUS OBTAINED

#16

20050058423

2005-03-17

Optical device, and process for producing it

#17

20050052135

2005-03-10

Glass funnel for cathode ray tube, and cathode ray tube