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Patents Grants
last 30 patents
Information
Patent Grant
Elastomer film and composite containing same
Patent number
5,252,385
Issue date
Oct 12, 1993
Tonen Sekiyukagaku Kabushiki Kaisha
Seiji Kagawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Shrinkable film from ethylene-vinyl acetate polymer talc and ethyle...
Patent number
5,218,036
Issue date
Jun 8, 1993
Tonen Sekiyukagaku K.K.
Seiji Kagawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polymer composition
Patent number
5,216,054
Issue date
Jun 1, 1993
Tonen Sekiyukagaku Kabushiki Kaisha
Kunio Iwanami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Heat-sealable crosslinked oriented polyethylene film and production...
Patent number
5,185,203
Issue date
Feb 9, 1993
Tonen Sekiyukagaku K.K.
Yasushi Itaba
B32 - LAYERED PRODUCTS
Information
Patent Grant
Resin composition for adhering polyarylene sulfide and polyvinylide...
Patent number
5,153,060
Issue date
Oct 6, 1992
Tonen Sekiyukagaku Kabushiki Kaisha
Shunji Onishi
B32 - LAYERED PRODUCTS
Information
Patent Grant
Automobile bumper having smooth surface and manufactured by a blow...
Patent number
5,123,688
Issue date
Jun 23, 1992
Tonen Sekiyukagaku K.K.
Yutaka Takado
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Modified polyolefin-polyester graft copolymer, method of producing...
Patent number
5,106,909
Issue date
Apr 21, 1992
Tonen Sekiyukagaku Kabushiki Kaisha
Tadahi Sezume
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of and apparatus for making fiber-reinforced polymer composi...
Patent number
5,106,564
Issue date
Apr 21, 1992
Tonen Sekiyukagaku Kabushiki Kaisha
Kunio Iwanami
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Fiber-reinforced polymer composition
Patent number
5,106,893
Issue date
Apr 21, 1992
Tonen Sekiyukagaku Kabushiki Kaisha
Kunio Iwanami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyethylene composite film and label
Patent number
5,075,152
Issue date
Dec 24, 1991
Tonen Sekiyukagaku K.K.
Haruo Tsukuda
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method of producing heat-resistant and shape memory formed products
Patent number
5,057,252
Issue date
Oct 15, 1991
Tonen Sekiyukagaku Kabushiki Kaisha
Seiji Kagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Oriented polyethylene film and production thereof
Patent number
5,045,620
Issue date
Sep 3, 1991
Tonen Sekiyukagaku K.K.
Yasushi Itaba
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Thermoplastic polyolefin-polycarbonate composition
Patent number
5,021,504
Issue date
Jun 4, 1991
Tonen Sekiyukagaku Kabushiki Kaisha
Yuuji Fujita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing thermoplastic resin compositions
Patent number
5,013,789
Issue date
May 7, 1991
Tonen Sekiyukagaku
Masato Sakuma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fiber-reinforced polymer composition and method of producing same
Patent number
4,990,550
Issue date
Feb 5, 1991
Tonen Sekiyukagaku Kabushiki Kaisha
Kunio Iwanami
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Resin composition for bumpers
Patent number
4,960,823
Issue date
Oct 2, 1990
Tonen Sekiyukagaku Kabushiki Kaisha
Masato Komatsu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer composition, its heat-resistant, shape memory formed produc...
Patent number
4,945,127
Issue date
Jul 31, 1990
Tonen Sekiyukagaku Kabushiki Kaisha
Seiji Kagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Automobile bumper
Patent number
4,940,270
Issue date
Jul 10, 1990
Tonen Sekiyukagaku K.K.
Masayuki Yamazaki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Thermoplastic elastomer composition
Patent number
4,906,683
Issue date
Mar 6, 1990
Tonen Sekiyukagaku K.K.
Masato Komatsu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of producing a gas-permeable, waterproof composite sheet
Patent number
4,878,974
Issue date
Nov 7, 1989
Tonen Sekiyukagaku Kabushiki Kaisha
Seiji Kagawa
A41 - WEARING APPAREL
Information
Patent Grant
Stabilizing composition for polyolefins
Patent number
4,857,230
Issue date
Aug 15, 1989
Tonen Sekiyukagaku K.K.
Tooru Matsumura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyolefin composition containing cellulose fibers and a deodorizer
Patent number
4,833,181
Issue date
May 23, 1989
Tonen Sekiyukagaku Kabushiki Kaisha
Kiyotada Narukawa
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for production of gas-pervious composite film
Patent number
4,824,499
Issue date
Apr 25, 1989
Tonen Sekiyukagaku K.K.
Seiji Kagawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and apparatus for manufacturing a plastic pipe
Patent number
4,824,502
Issue date
Apr 25, 1989
UC Industry Co., Ltd.
Akio Nagayoshi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacture of thermoplastic elastomer compounds
Patent number
4,801,651
Issue date
Jan 31, 1989
Tonen Sekiyukagaku K.K.
Masato Komatsu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing polypropylene foam
Patent number
4,766,159
Issue date
Aug 23, 1988
Tonen Sekiyukagaku K.K.
Sotoyuki Kitagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Trademark
last 30 trademarks