Hiroo Nakagawa

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ultraviolet-stable copolymer, process for producing the same, and c...
- Patent number 5,239,028
- Issue date Aug 24, 1993
- Nippon Shokubai, Co.
- Hiroo Nakagawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...