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:
Aug. 04, 1992
Filed:
Oct. 05, 1990
Applicant:
Inventors:
Robert N Young, Senneville, CA;
Michel Therien, Montreal, CA;
Jacques-Yves Gauthier, Laval, CA;
Robert Zamboni, Longueuil, CA;
Michel L Belley, St. Laurent, CA;
Assignee:
Merck Frosst Canada, Inc., Kirkland, CA;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
544-3 ; 544 54 ; 544 55 ; 544 56 ; 544 62 ; 544 63 ; 544 96 ; 546153 ; 546155 ; 546156 ; 546157 ; 546159 ; 546160 ; 546168 ; 546170 ; 546171 ; 546172 ;
Abstract
Thioacids, thiols, an acid, and an aldehyde are used to produce chiral thioacetals of the general formula. ##STR1## The compounds are leukotriene antagonists.