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:
Aug. 26, 1980
Filed:
Jun. 25, 1979
Applicant:
Inventors:
Rene Muntwyler, Hofstetten, CH;
Bernardo de Sousa, Basel, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22B / ;
U.S. Cl.
CPC ...
428 15 ; 106 1505 ; 106 1835 ; 427384 ; 427421 ; 427428 ; 428270 ; 428473 ; 428907 ;
Abstract
A method of protecting keratinous material from attack by insects that feed on keratin and from feeding damage, which comprises treating the material to be protected with compounds of the formula ##STR1## wherein each of R.sub.1 and R.sub.2 independently represents hydrogen, fluorine, chlorine, bromine, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms, or R.sub.1 and R.sub.2 in the ortho-position to each other together represent the methylenedioxy radical, and R.sub.3 represents hydrogen, cyano, --C.tbd.CH of --CH.dbd.CH.sub.2.