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Patents Grants
last 30 patents
Information
Patent Grant
Separation of a multicomponent mixture into components thereof
Patent number
5,603,837
Issue date
Feb 18, 1997
Soken Kagaku Kabushiki Kaisha
Masaru Ishida
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for separating and purifying a multicomponent mixture
Patent number
5,405,534
Issue date
Apr 11, 1995
Soken Kagaku Kabushiki Kaisha
Masaru Ishida
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for producing macromonomers
Patent number
5,231,141
Issue date
Jul 27, 1993
Soken Kagaku Kabushiki Kaisha
Toshitsugu Arai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Graft copolymer having dispersion stabilizing effect, a process for...
Patent number
4,988,771
Issue date
Jan 29, 1991
Soken Kagaku Kabushiki Kaisha
Fumikatsu Takeuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing macromonomers
Patent number
4,952,638
Issue date
Aug 28, 1990
Soken Kagaku Kabushiki Kaisha
Toshitsugu Arai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Graft copolymer having dispersion stabilizing effect, a process for...
Patent number
4,916,191
Issue date
Apr 10, 1990
Soken Kagaku Kabushiki Kaisha
Fumikatsu Takeuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for industrially separating biopolymers
Patent number
4,859,342
Issue date
Aug 22, 1989
Suntory Limited
Honai Shirasawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process and apparatus for separation by liquid chromatography
Patent number
4,724,081
Issue date
Feb 9, 1988
Soken Kagaku Kabushiki Kaisha
Akio Kawahara
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
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last 30 trademarks