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:
Feb. 18, 1992
Filed:
Aug. 03, 1990
Applicant:
Inventors:
Sadakazu Yokomori, Urawa, JP;
Keiko Saijo, Saitama, JP;
Tohru Matsunaga, Kuki, JP;
Yoshimoto Nakashima, Ageo, JP;
Katsuo Hatayama, Omiya, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 53 ; 562460 ; 562463 ;
Abstract
Chalcone derivatives represented by the formula ##STR1## wherein R.sup.1 is a straight chain, branched chain or cyclic alkyl group having 4 to 15 carbon atoms or an alkenyl group having 3 to 15 carbon atoms, and occurs at the 2- or 4-position, R.sup.2 is a hydrogen atom, a straight or branched chain alkyl group having 1 to 3 carbon atoms, and X is a straight or branched chain alkylene group having 1 to 3 carbon atoms, are disclosed. These compounds have anti-ulcer effect, gastric mucosal protection effect and antisecretory effect.