Tadashi Kunii

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Yotsukaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for heat stabilizing oxymethylene copolymers
- Patent number 4,366,305
- Issue date Dec 28, 1982
- Mitsubishi Gas Chemical Company, Inc.
- Akira Amemiya
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for continuous production of oxymethylene polymer or copolymer
- Patent number 4,339,569
- Issue date Jul 13, 1982
- Mitsubishi Gas Chemical Co., Inc.
- Akitoshi Sugio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for stabilizing oxymethylene copolymers
- Patent number 4,301,273
- Issue date Nov 17, 1981
- Mitsubishi Gas Chemical Company, Inc.
- Akitoshi Sugio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for mixing raw materials for producing oxymethylene copolymers
- Patent number 4,224,435
- Issue date Sep 23, 1980
- Mitsubishi Gas Chemical Company, Inc.
- Akitoshi Sugio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...