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:
Feb. 17, 1976
Filed:
Jun. 03, 1974
Applicant:
Inventors:
Donald Richard Randell, Stockport, EN;
Malcolm John Smith, Marple Stockport, EN;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 260 / ; 260814 ; 2602 / ;
Abstract
Compounds having the formula ##SPC1## Where X is S, SO or SO.sub.2 and Y and Y.sup.1 are the same or different and each is H, OH, O.sup.. or a straight- or branched alkyl residue having from 1 to 4 carbon atoms, and salts thereof when Y and Y.sup.1 are other than O.sup.. are useful as stabilisers for organic materials such as diene rubbers.