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:
Oct. 28, 1980
Filed:
Jan. 09, 1979
Applicant:
Inventors:
David A Walsh, Richmond, VA (US);
William J Welstead, Jr, Richmond, VA (US);
Assignee:
A. H. Robins Company, Inc., Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
424274 ; 2603 / ;
Abstract
3,4-Epoxypyrrolidines substituted in the 1-position with alkyl, cycloalkyl and phenylalkyl are disclosed which have pharmaceutical application in cataract prevention in animals and as intermediates in preparation of trans-3-aryloxy-4-hydroxypyrrolidines. The epoxypyrrolidines are prepared by a novel route involving chlorination of pyrrolines in aqueous medium.