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:
Jul. 13, 1982
Filed:
Aug. 05, 1980
Applicant:
Inventors:
Wolfgang Steglich, Berlin, DE;
Rudolf Hurnaus, Biberach, DE;
Peter Gruber, Biberach, DE;
Boerries Kuebel, Berlin, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548228 ; 548352 ; 562441 ; 562442 ; 562443 ; 562444 ; 562445 ; 562446 ; 562553 ; 562567 ; 562568 ; 562571 ; 562575 ; 562433 ;
Abstract
Manufacture of 4-substituted oxazolinone-(5) compounds, which are intermediates for substituted aminoacids, by alkylation of 2-substituted or 3,4-disubstituted oxazolinone-(5) compounds in an aprotic solvent in the presence of a tertiary amine.