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last 30 patents
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Patent Grant
Method for removing heavy metal ions from contaminated water and a...
Patent number
5,087,372
Issue date
Feb 11, 1992
Asahi Kasei Kogyo Kabushiki Kaisha
Kazuo Toyomoto
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Selectively ion-adsorptive, porous membrane having side chains cont...
Patent number
5,064,866
Issue date
Nov 12, 1991
Asahi Kasei Kogyo Kabushiki Kaisha
Kazuo Toyomoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Permeable polymer membrane for dessication of gas
Patent number
4,844,719
Issue date
Jul 4, 1989
Asahi Kasei Kogyo Kabushiki Kaisha
Kazuo Toyomoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hollow fiber semipermeable membrane element and a method of produci...
Patent number
4,770,778
Issue date
Sep 13, 1988
Asahi Kasei Kogyo Kabushiki Kaisha
Takayuki Yokoyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Thermoplastic elastomers
Patent number
4,600,749
Issue date
Jul 15, 1986
Asahi Kasej Kogyo Kabushiki Kaisha
Saburo Minekawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Inline intravenous final filter unit
Patent number
4,267,053
Issue date
May 12, 1981
Asahi Kasei Kogyo Kabushiki Kaisha
Yasuo Hashino
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Epoxy resin composition for image formation
Patent number
4,220,707
Issue date
Sep 2, 1980
Asahi Kasei Kogyo Kabushiki Kaisha
Kaoru Ohmura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY