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:
Sep. 21, 1993
Filed:
Dec. 30, 1991
Applicant:
Inventors:
Heinrich Meier, Wuppertal, DE;
John E Ransohoff, Wuppertal, DE;
Trevor S Abram, Bucks, GB;
Peter Norman, Bucks, GB;
Tudhope Stephen R, Windsor Berks, GB;
Phillip J Gardiner, High Wycombe, GB;
Nigel J Cuthbert, Great Missenden, GB;
Hilary P Francis, Woodley, GB;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
514533 ; 514568 ; 560-9 ; 560 17 ; 560 55 ; 560 60 ; 562431 ; 562432 ; 562470 ;
Abstract
The new substituted alkenoic acid derivatives can be prepared by reacting the appropriate aldehyde with a phosphonium compound. The compounds have leukotriene antagonistic properties and can be incorporated into pharmaceutical compositions.