Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600070 | Methods for making 2-(&ohgr;-alkoxycarbonylalkanoyl)-4-butanolide, ester of &ohgr;-hydroxy-(&ohgr;-3)-ketoaliphatic acid, and derivatives thereof | Hideaki Takaoka, Sigeru Wada, Nobuhiko Ito, Akio Hasebe, Hideo Muraoka | 2003-07-29 |
| 6528668 | Methods for making 2-(&ohgr;-alkoxycarbonylalkanoyl)-4-butanolide, ester of &ohgr;-hydroxy-(&ohgr;-3)-ketoaliphatic acid, and derivatives thereof | Hideaki Takaoka, Sigeru Wada, Nobuhiko Ito, Akio Hasebe, Hideo Muraoka | 2003-03-04 |
| 6475133 | Methods for making 2-(&ohgr;-alkoxycarbonylalkanoyl)-4-butanolide, ester of omega-hydroxy-(&ohgr;-3)-ketoaliphatic acid, and derivatives thereof | Hideaki Takaoka, Sigeru Wada, Nobuhiko Ito, Akio Hasebe, Hideo Muraoka | 2002-11-05 |
| 6291688 | Processes for preparing 2-(omega-alkoxycarbonylalkanoyl)-4- butanolides omega-hydroxy-(omega-3)-keto fatty esters, and derivatives thereof | Hideaki Takaoka, Sigeru Wada, Nobuhiko Ito, Akio Hasebe, Hideo Muraoka | 2001-09-18 |
| 6087527 | Method for producing alkyl carboxylates by multi-stage esteridication interrupted with a dehydration step | Atsushi Niwa, Akio Hasebe, Ito Nobuhiko | 2000-07-11 |
| 5422255 | Method for producing D-alanine | Noriko Ito, Haruyo Sato | 1995-06-06 |
| 4904589 | Process for producing D-(31)-tartaric acid | Haruyo Sato | 1990-02-27 |
| 4824964 | Method for preparing optically active N-acetylindoline-2-carboxylic acid | Satoru Miyata, Hiromi Fukuda | 1989-04-25 |
| 4399289 | 2-Diphenylmethyleneamino-3-indolylpropionitrile and alkyl esters of 2-diphenylmethylene-amino-3-indolylpropionic acid | Haruyo Sato, Hiroyoshi Kuramoto | 1983-08-16 |
| 4297477 | Polyamide having --NH--(CH.sub.2).sub.4 --CH(NRR')--CO--units | Minoru Nakata, Haruyo Sato | 1981-10-27 |