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Saitama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing 4,4,4-trifluorobutane-2-one
Patent number
7,615,668
Issue date
Nov 10, 2009
Central Glass Co., Ltd.
Adam Alty
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyimide precursor composition, polyimide composition, process for...
Patent number
5,840,369
Issue date
Nov 24, 1998
Central Glass Co., Ltd.
Masamichi Maruta
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Polyimide precursor composition and the production of said polyimid...
Patent number
5,686,525
Issue date
Nov 11, 1997
Central Glass Company, Ltd.
Masamichi Maruta
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Low stress polyimide composition and precursor composition solution...
Patent number
5,478,918
Issue date
Dec 26, 1995
Central Glass Company, Limited
Masamichi Maruta
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fluorine-containing thermosetting resin
Patent number
5,098,971
Issue date
Mar 24, 1992
Hitachi, Ltd.
Akira Nagai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fluorine-containing bismaleamic acids and bismaleimides useful for...
Patent number
5,089,628
Issue date
Feb 18, 1992
Central Glass Company, Limited
Masamichi Maruta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2,4-bis(2-hydroxyhexafluoro-2-propyl)fluorobenzene and method of pr...
Patent number
4,990,689
Issue date
Feb 5, 1991
Central Glass Company, Limited
Masamichi Maruta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process of preparing 2,2-bis(4-aminophenyl)-hexafluoropropane
Patent number
4,987,259
Issue date
Jan 22, 1991
Central Glass Company, Limited
Masamichi Maruta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing 2,2-bis(3-nitro-4-hydroxyphenyl)hexafluoropropane
Patent number
4,978,808
Issue date
Dec 18, 1990
Central Glass Company, Limited
Masamichi Maruta
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of polyfluoroenolates
Patent number
4,910,348
Issue date
Mar 20, 1990
Central Glass Company, Limited
Takeshi Nakai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing trifluoroacetic acid from trichlorotrifluoroethane
Patent number
4,647,695
Issue date
Mar 3, 1987
Central Glass Company, Limited
Takeshi Kondo
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Method for producing 4,4,4- Trifluorobutane-2-One
Publication number
20090227821
Publication date
Sep 10, 2009
CENTRAL GLASS CO., LTD.
Adam Alty
C07 - ORGANIC CHEMISTRY