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. 23, 1990
Filed:
Jul. 06, 1989
Applicant:
Inventors:
Franz Merger, 6710 Frankenthal, DE;
Wolfgang Harder, 6940 Weinheim, DE;
Peter Hettinger, 6802 Ladenburg, DE;
Claus-Ulrich Priester, 6700 Ludwigshafen, DE;
Dieter Franz, 6700 Ludwigshafen, DE;
Dieter Voges, 6800 Mannheim 1, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07D / ;
U.S. Cl.
CPC ...
546246 ; 548569 ; 558450 ; 558451 ; 558452 ;
Abstract
3-Dialkylaminopropionitriles ##STR1## where R.sup.1 and R.sup.2 are each C.sub.1 -C.sub.4 -alkyl which may furthermore be bonded to form a 5-membered or 6-membered ring, bis-(2-cyanoethyl) ether II