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. 31, 1976
Filed:
Jan. 13, 1975
Applicant:
Inventors:
Harold Coates, Wombourne, EN;
John Desmond Collins, Albrighton, EN;
Iftikhar Hussain Siddiqui, Birmingham, EN;
Assignee:
Albright & Wilson Limited, Midlands, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
2604297 ; 260 / ; 260 / ;
Abstract
Organotin compounds with low tin content suitable as stabilizers for halogen containing resins e.g. polyvinyl chloride are of formula ##EQU1## where R.sub.1 and R.sub.2 are C.sub.1-20 alkyl, cycloalkyl or phenyl groups, Q.sub.1 represents a radical selected from the group consisting of ##EQU2## Q.sub.2 is a hydrogen atom, an alkyl group containing between 1 and 6 carbon atoms or the group --CH.sub.2 Z.sub.3.