Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374765 | Method for extracting an amino acid ester from a hydrous solution of a mineral acid salt thereof | Tomoko Kamashita, Hiroyuki Yamashita, Teruyuki Nagata | 1994-12-20 |
| 5310865 | Polyhydroxycarboxylic acid and preparation process thereof | Katashi Enomoto, Akihiro Yamaguchi | 1994-05-10 |
| 5302743 | Preparation of N-protected .alpha.-L-aspartyl-L-phenylalanine methyl ester | Toshio Katoh, Chojiro Higuchi, Takeshi Oura, Akihiro Yamaguchi | 1994-04-12 |
| 5294469 | Industrial woven fabric and composite sheet comprising same | Kazuhika Suzuki, Takayuki Watanabe, Yasuhiro Kitahara | 1994-03-15 |
| 5283357 | Separation method of .alpha.-l-aspartyl-l-phenylalanine methyl ester | Toshio Katoh, Chojiro Higuchi, Takeshi Oura, Akihiro Yamaguchi | 1994-02-01 |