Company Filing History:

7 out of 775

Nippon Kayaku Kabushiki Kaisha

Gun Ei Chemical Industry Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1980-2005

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6962726 - Method for preparing substrate for flexible print wiring board, and substrate for flexible print wiring board (2005-11-08),

2. 6124420 - Epoxy resin, epoxy resin composition and hardened product thereof (2000-09-26),

3. 5840824 - Epoxy resin, epoxy resin composition and hardened product thereof (1998-11-24),

4. 5202449 - Process for purifying 7-dimethylamino-6-demethyl-6-deoxytetracycline (1993-04-13),

5. 4918208 - Process for producing 7-dimethylamino-6-demethyl-6-deoxytetracycline (1990-04-17),

6. 4582928 - Process for producing optically active phenylalanine (1986-04-15),

7. 4212813 - Process for producing substituted or unsubstituted naphthalic acids and (1980-07-15),

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For the Inventor, By the Inventor

Ryoichi Hasegawa

Location History:

Company Filing History:

Years Active: 1980-2005