Ricky Contact Lens, Inc.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Non-hydrous soft contact lens and process for producing the same
- Patent number 4,882,403
- Issue date Nov 21, 1989
- Japan Synthetic Rubber Co., Ltd.
- Tetsuo Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...