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:
May. 16, 1978
Filed:
Jul. 07, 1977
Applicant:
Inventor:
Roland Jaunin, Basel, CH;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07D / ;
U.S. Cl.
CPC ...
2603261 ; 560 35 ;
Abstract
A process for the preparation of isoindole derivatives which comprises heating a compound of the formula ##STR1## wherein R,R.sub.1,R.sub.2,R.sub.3,R.sub.4 and R.sub.5 are hereinafter set forth, in the presence of a suitable imidazole, is described.
Jaunin, Roland. (1978). Process and intermediates for isoindole derivatives (U.S. Patent No. 4089875). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4089875
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile