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. 01, 1980
Filed:
Jun. 05, 1978
Akzo N.V., Arnhem, NL;
Abstract
A stabilizer composition for a polymer is described, said composition comprising a chemically combined structure of the formula ##STR1## wherein R is a group having the formula ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently a hydrogen atom, or an alkyl or substituted alkyl group having 1 to 18 carbon atoms, with the proviso that at least one of R.sup.1 and R.sup.2 contains adjacent to the group HC- a carbonyl group which forms a part of an acid group, ester group, acid halide group, ketone group or aldehyde group; and X is --S(CH.sub.2).sub.y --COOR.sup.5 or --S(CH.sub.2).sub.y --OCOR.sup.5, wherein y is 1 or 2, or --SR.sup.5, --OCOR.sup.5 or --OCOCH.dbd.CHCOOR.sup.5, R.sup.5 being an alkyl or substituted alkyl group having 1 to 18 carbon atoms.