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:
Dec. 04, 1979
Filed:
Sep. 16, 1977
Applicant:
Inventor:
Andreas Schmidt, Reinach, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2605 / ; 2605 / ; 260592 ; 2605 / ; 2605 / ; 2605 / ; 260 / ; 252351 ;
Abstract
Benzylated ketones are obtained by reacting corresponding non-benzylated ketones with N,N-dialkyldithiocarbamic acid p-hydroxybenzyl esters in the presence of a base. The compounds are stabilizers for organic material.