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:
Jul. 30, 1993
Applicant:
Inventors:
Horst Wingert, Mannheim, DE;
Beate Hellendahl, Shifferstadt, DE;
Reinhard Kirstgen, Neustadt, DE;
Hubert Sauter, Mannheim, DE;
Eberhard Ammermann, Heppenheim, DE;
Gisela Lorenz, Neustadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
558412 ; 560 19 ; 560 20 ; 560 21 ; 560 22 ; 560 23 ; 560 35 ; 562434 ; 562435 ; 562437 ; 562438 ; 562440 ;
Abstract
Acetylene derivatives of the general formula I ##STR1## where U, V and W are hydrogen, halogen, nitro, cyano, alkyl or alkoxy,