Takafumi Kawanaka

Person

Kanagawa-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Nitrile group-containing copolymer rubber and a vulcanizable nitril...
- Patent number 8,044,147
- Issue date Oct 25, 2011
- Zeon Corporation
- Hiroyasu Nagamori
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of hydrogenating conjugated diene polymer, hydrogenation cat...
- Patent number 7,923,514
- Issue date Apr 12, 2011
- Zeon Corporation
- Kazuhiro Takahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Crosslinkable rubber composition and crosslinked object
- Patent number 6,657,014
- Issue date Dec 2, 2003
- Zeon Corporation
- Osamu Mori
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Acrylate polymer elastomer and vulcanizable composition containing...
- Patent number 5,334,683
- Issue date Aug 2, 1994
- Nippon Zeon Co., Ltd.
- Takafumi Kawanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Additive for organic medium or thermoplastic polymer
- Patent number 5,294,233
- Issue date Mar 15, 1994
- Nippon Zeon Co., Ltd.
- Shizuo Kitahara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acrylic copolymer elastomer and vulcanizable composition containing...
- Patent number 5,280,080
- Issue date Jan 18, 1994
- Nippon Zeon Co., Ltd.
- Takafumi Kawanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Acrylic copolymer elastomer and vulcanizable composition containing...
- Patent number 5,216,101
- Issue date Jun 1, 1993
- Nippon Zeon Co., Ltd.
- Takafumi Kawanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparation of diene type polymer rubber
- Patent number 5,001,196
- Issue date Mar 19, 1991
- Nippon Zeon Co., Ltd.
- Takafumi Kawanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
ACRYLIC RUBBER EXCELLENT IN STORAGE STABILITY
- Publication number 20230159682
- Publication date May 25, 2023
- Zeon Corporation
- Hirofumi MASUDA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
ACRYLIC RUBBER BALE EXCELLENT IN STORAGE STABILITY AND PROCESSABILITY
- Publication number 20220315683
- Publication date Oct 6, 2022
- Zeon Corporation
- Hirofumi MASUDA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
ACRYLIC RUBBER BALE EXCELLENT IN STORAGE STABILITY AND PROCESSABILITY
- Publication number 20220267491
- Publication date Aug 25, 2022
- Zeon Corporation
- Hirofumi MASUDA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
ACRYLIC RUBBER BALE EXCELLENT IN STORAGE STABILITY AND PROCESSABILITY
- Publication number 20220259345
- Publication date Aug 18, 2022
- Zeon Corporation
- Hirofumi MASUDA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ACRYLIC RUBBER EXCELLENT IN WATER RESISTANCE
- Publication number 20220259347
- Publication date Aug 18, 2022
- Zeon Corporation
- Hirofumi MASUDA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ACRYLIC RUBBER BALE EXCELLENT IN STRENGTH PROPERTIES AND PROCESSABI...
- Publication number 20220259348
- Publication date Aug 18, 2022
- Zeon Corporation
- Hirofumi MASUDA
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
ACRYLIC RUBBER BALE EXCELLENT IN PROCESSABILITY AND WATER RESISTANCE
- Publication number 20220251265
- Publication date Aug 11, 2022
- Zeon Corporation
- Hirofumi MASUDA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
ACRYLIC RUBBER SHEET EXCELLENT IN STORAGE STABILITY AND PROCESSABILITY
- Publication number 20220235190
- Publication date Jul 28, 2022
- Zeon Corporation
- Hirofumi MASUDA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Nitrile Group-Containing Copolymer Rubber and a Vulcanizable Nitril...
- Publication number 20090124741
- Publication date May 14, 2009
- Hiroyasu Nagamori
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD OF HYDROGENATING CONJUGATED DIENE POLYMER, HYDROGENATION CAT...
- Publication number 20080132649
- Publication date Jun 5, 2008
- ZEON CORPORATION
- Kazuhiro Takahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Latex, fluid treatments for bonding, fibrous members, and composite...
- Publication number 20050158544
- Publication date Jul 21, 2005
- Masayuki Nakamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method of hydrogenating conjugated diene polymer, hydrogenation cat...
- Publication number 20040242800
- Publication date Dec 2, 2004
- Kazuhiro Takahashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Takafumi Kawanaka

Person

Patents Grantslast 30 patents

Nitrile group-containing copolymer rubber and a vulcanizable nitril...

Method of hydrogenating conjugated diene polymer, hydrogenation cat...

Crosslinkable rubber composition and crosslinked object

Acrylate polymer elastomer and vulcanizable composition containing...

Additive for organic medium or thermoplastic polymer

Acrylic copolymer elastomer and vulcanizable composition containing...

Acrylic copolymer elastomer and vulcanizable composition containing...

Process for preparation of diene type polymer rubber

Patents Applicationslast 30 patents

ACRYLIC RUBBER EXCELLENT IN STORAGE STABILITY

ACRYLIC RUBBER BALE EXCELLENT IN STORAGE STABILITY AND PROCESSABILITY

ACRYLIC RUBBER BALE EXCELLENT IN STORAGE STABILITY AND PROCESSABILITY

ACRYLIC RUBBER BALE EXCELLENT IN STORAGE STABILITY AND PROCESSABILITY

ACRYLIC RUBBER EXCELLENT IN WATER RESISTANCE

ACRYLIC RUBBER BALE EXCELLENT IN STRENGTH PROPERTIES AND PROCESSABI...

ACRYLIC RUBBER BALE EXCELLENT IN PROCESSABILITY AND WATER RESISTANCE

ACRYLIC RUBBER SHEET EXCELLENT IN STORAGE STABILITY AND PROCESSABILITY

Nitrile Group-Containing Copolymer Rubber and a Vulcanizable Nitril...

METHOD OF HYDROGENATING CONJUGATED DIENE POLYMER, HYDROGENATION CAT...

Latex, fluid treatments for bonding, fibrous members, and composite...

Method of hydrogenating conjugated diene polymer, hydrogenation cat...