Takeiji Ohtani

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Otake, JP

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Patents Grantslast 30 patents

Information Patent Grant
Acrylonitrile block-copolymer composition
- Patent number 4,181,581
- Issue date Jan 1, 1980
- Mitsubishi Rayon Co., Ltd.
- Hiroshi Iwata
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING