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:
Jan. 20, 1976
Filed:
Jun. 16, 1975
Applicant:
Inventors:
Harold Coates, Wombourne, EN;
John Desmond Collins, Albrighton, EN;
Iftikhar H Siddiqui, Edgbaston, EN;
Assignee:
Albright & Wilson Limited, Oldbury near Birmingham, EN;
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 2604 / ; 2604 / ;
Abstract
An ester, which is a costabiliser of mono ordi organotin stabilisers for halogen containing resins, is of formula ##EQU1## wherein x and y are 1-6, R.sub.4 and R.sub.9 are alkyl, alkenyl, cycloalkyl or optionally substituted aromatic aralkyl or aralkenyl hydrocarbyl group, R.sub.3 and R.sub.5 are as R.sub.4 or R.sub.9 or is hydrogen or R.sub.3 and R.sub.5 form a cycloalkyl ring. The organotin stabilisers are carboxylates, mercapto carboxylates, carboxylate ester from diacids, sulphides, mercaptides or thiostannoic acids.