The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 23, 1990
Filed:
Sep. 29, 1986
Applicant:
Inventors:
Shosuke Okamoto, Kobe, JP;
Yoshio Okada, Akashi, JP;
Akiko Okunomiya, Kobe, JP;
Taketoshi Naito, Tokyo, JP;
Yoshio Kimura, Tokyo, JP;
Morihiko Yamada, Tokyo, JP;
Norio Ohno, Tokyo, JP;
Yasuhiro Katsuura, Tokyo, JP;
Yumi Seki, Tokyo, JP;
Assignees:
Shosuke Okamoto, Hyogo, JP;
Showa Denko Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ;
U.S. Cl.
CPC ...
5142275 ; 5142375 ; 514255 ; 514269 ; 514330 ; 514349 ; 514352 ; 514512 ; 514518 ; 514530 ; 514539 ; 514542 ; 514563 ; 514603 ; 514666 ; 514554 ; 514555 ; 544 584 ; 544169 ; 544329 ; 544335 ; 544386 ; 544387 ; 546224 ; 546226 ; 546265 ; 546297 ; 546309 ; 546315 ; 546333 ; 548540 ; 558 50 ; 558273 ; 560 37 ; 560 39 ; 560 41 ; 560 42 ; 562442 ; 562448 ; 562450 ; 562451 ; 562579 ; 562582 ; 562584 ; 562590 ; 562597 ; 564 86 ; 564153 ; 564154 ; 564157 ;
Abstract
A phenylalanine derivative having the formula (I): ##STR1## where R.sup.1 and R.sup.2 are independently hydrogen provided that both R.sup.1 and R.sup.2 are not hydrogen at the same time;