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. 08, 1981
Filed:
Jan. 31, 1980
Applicant:
Inventors:
Walter-Gunar Friebe, Darmstadt, DE;
Helmut Michel, Mannheim, DE;
Carl H Ross, Viernheim, DE;
Fritz Wiedemann, Weinheim-Lutzelsachsen, DE;
Gisbert Sponer, Hemsbach, DE;
Wolfgang Schaumann, Heidelberg, DE;
Assignee:
Boehringer Mannheim GmbH, Postfach, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
424267 ; 424251 ; 544298 ; 544316 ; 544319 ; 546197 ; 546199 ; 546200 ; 546201 ; 546208 ; 546233 ;
Abstract
A piperidinopropyl derivative of the formula ##STR1## in which R.sub.1 and R.sub.2 each independently is hydrogen or a lower alkyl radical, or together are an alkylene radical,