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. 22, 1992
Filed:
Mar. 13, 1989
Applicant:
Inventors:
Peter P Speiser, 8044 Zurich, CH;
Rajendra K Joshi, 8048 Zurich, CH;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07C / ;
U.S. Cl.
CPC ...
514 75 ; 514114 ; 514129 ; 514513 ; 514547 ; 514574 ; 562595 ; 554 71 ; 554 75 ; 554 80 ; 554 82 ; 554142 ; 554143 ; 554151 ; 554223 ; 554224 ; 554227 ;
Abstract
Fumaric acid derivatives of the formula ##STR1## wherein R.sub.1 is a hydrogen atom, a C.sub.1 -C.sub.8 alkyl group or a metallic cation, and
Speiser, Peter. (1992). Fumaric acid derivatives, process for the production thereof and (U.S. Patent No. 5149695). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5149695
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile