Isamu Kirikihira

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Patents Grantslast 30 patents

Information Patent Grant
Esteramide copolymers and production thereof
- Patent number 5,811,495
- Issue date Sep 22, 1998
- Tosoh Corporation
- Isamu Kirikihira
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ester-amide block copolymer and process for producing same
- Patent number 5,760,143
- Issue date Jun 2, 1998
- Tosoh Corporation
- Yuji Kubo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...