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. 12, 1995
Filed:
Nov. 16, 1992
Applicant:
Inventors:
Fritz Wagner, Braunschweig, DE;
Christoph Syldatk, Hildesheim, DE;
Markus Pietzsch, Braunschweig, DE;
Assignee:
Degussa Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
5483121 ; 5483171 ;
Abstract
A method for the racemization of 5-monosubstituted hydantoins, in which a 5-monosubstituted hydantoin is reacted in the presence of an ion exchanger. Anion exchangers at a pH between 6.0 and 13.5 are preferred.
Wagner, Fritz. (1995). Method for the chemical racemization of 5-monosubstituted hydantoins by (U.S. Patent No. 5449786). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5449786
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile