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Patents Grantslast 30 patents

Information Patent Grant
Process for producing heat-resistant and moisture-resistant polybor...
- Patent number 4,361,679
- Issue date Nov 30, 1982
- NTN Toyo Bearing Co., Ltd.
- Seishi Yajima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for production of heat-resistant compounds
- Patent number 4,361,691
- Issue date Nov 30, 1982
- NTN Toyo Bearing Co., Ltd.
- Seishi Yajima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heat resistant polyvanadiosiloxanes and a process for their production
- Patent number 4,334,051
- Issue date Jun 8, 1982
- Yajima; Seishi
- Seishi Yajima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

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