Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363807 | Cepham compounds | Takao Takaya, Takashi Masugi | 1982-12-14 |
| 4354022 | Process for preparing 3-methylenecepham compounds or a salt thereof | Takao Takaya, Takashi Masugi, Akiteru Yoshioka, Masayuki Kato, Ikuo Ueda +1 more | 1982-10-12 |
| 4350693 | 3,7-Disubstituted-3-cephem-4-carboxylic acid compound and processes for the preparation thereof | Takao Takaya, Hisashi Takasugi, Zenzaburo Tozuka | 1982-09-21 |
| 4328327 | Continuous bulk polymerization process for preparing copolymer of aromatic vinyl monomer and maleic anhydride | Atsushi Tanaka, Hirotaka Miyata | 1982-05-04 |