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last 30 patents
Information
Patent Grant
Method of making a hybrid prepreg
Patent number
5,512,119
Issue date
Apr 30, 1996
Tonen Corporation
Makoto Takezawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Composition of tetraglycidyl, triglycidyl and diglycidyl epoxy resins
Patent number
5,317,068
Issue date
May 31, 1994
Tonen Corporation
Osamu Watanabe
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hybrid prepreg containing carbon fibers and at least one other rein...
Patent number
5,279,879
Issue date
Jan 18, 1994
Tonen Corporation
Makoto Takezawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Epoxy resin curing agent based on blends containing disecondary aro...
Patent number
5,091,474
Issue date
Feb 25, 1992
Toa Nenryo Kogyo Kabushiki Kaisha
Shinkichi Murakami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Thermosetting epoxy resin composition
Patent number
4,985,530
Issue date
Jan 15, 1991
Tonen Corporation
Shinkichi Murakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Bisphenol A epoxy resin mixtures with aromatic di-secondary amine
Patent number
4,912,179
Issue date
Mar 27, 1990
Toa Nenryo Kogyo Kabushiki Kaisha
Shinkichi Murakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...