Kenji Tajima

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Patents Grantslast 30 patents

Information Patent Grant
Polymer composition
- Patent number 4,956,407
- Issue date Sep 11, 1990
- Adeka Argus Chemical Co., Ltd.
- Kazushige Funasaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bis(2,6-dis-tert-butyl-4-branched propyl or butyl phenyl)-pentaeryt...
- Patent number 4,888,371
- Issue date Dec 19, 1989
- Adeka Argus Chemical Co., Ltd.
- Kenji Tajima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hindered phenol amides
- Patent number 4,822,522
- Issue date Apr 18, 1989
- Adeka Argus Chemical Co., Ltd.
- Kenji Tajima
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing diaryl-pentaerythritol diphosphites
- Patent number 4,739,090
- Issue date Apr 19, 1988
- Adeka Argus Chemical Co., Ltd.
- Kenji Tajima
- C07 - ORGANIC CHEMISTRY