TONEN SEKIYU KAGAKU KABUSHIKI KAISHA

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CHUO-KU, TOKYO, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing heterocyclic copolymers
- Patent number 4,914,163
- Issue date Apr 3, 1990
- Tonen Sekiyu Kagaku Kabushiki Kaisha
- Kazuyuki Sakota
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for removing arsenic from a petroleum fraction
- Patent number 4,839,029
- Issue date Jun 13, 1989
- Tonen Sekiyu Kagaku Kabushiki Kaisha
- Shinichi Ichikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Weather resistant polyolefin composition
- Patent number 4,467,061
- Issue date Aug 21, 1984
- Tonen Sekiyu Kagaku Kabushiki Kaisha
- Noboru Yamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

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Trademarklast 30 trademarks

Information Trademark
73764059 - TOALLOY
- Serial number 73764059
- Registration number 1740721
- Filing date Nov 16, 1988
- TONEN SEKIYU KAGAKU KABUSHIKI KAISHA
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
73763275 - LUPIC
- Serial number 73763275
- Registration number 1679324
- Filing date Nov 14, 1988
- TONEN SEKIYU KAGAKU KABUSHIKI KAISHA
- 16 - Paper, cardboard and goods made from these materials, not included in other classes
Information Trademark
73680324 - POLYDURE
- Serial number 73680324
- Registration number 1605185
- Filing date Aug 24, 1987
- TONEN SEKIYU KAGAKU KABUSHIKI KAISHA
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry