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:
Nov. 28, 1978
Filed:
Feb. 14, 1977
Applicant:
Inventors:
Assignee:
Beiersdorf Aktiengesellschaft, Hamburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N / ;
U.S. Cl.
CPC ...
424311 ; 2604654 ; 424300 ; 424304 ; 560155 ; 560157 ;
Abstract
Insect repellants having improved effectiveness, increased mucosa tolerance and compatibility with plastic objects containing, as an active ingredient, at least one 3-aminopropionic acid derivative which is disubstituted at the nitrogen atom, having the general structure ##STR1## in which R.sub.1 is a branched or unbranched alkyl radical having one to six carbon atoms, R.sub.2 is hydrogen, methyl or ethyl, R.sub.3 is a branched or unbranched alkyl or alkoxy group having one to eight carbon atoms, and X is --C.tbd.N or --COOR.sub.4, R.sub.4 being a branched or unbranched alkyl group having one to six carbon atoms.