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:
Oct. 06, 1987
Filed:
Jan. 30, 1984
Horst Muller, Furth/Odenwald, DE;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
Mixture consisting of an organo-tin alcoholate of the formula (I) ##STR1## and of an organo-tin mercaptide of the formula (II) or (III) ##STR2## which mixture may additionally contain an organo tin carboxylate of the formula (IV) or (V) ##STR3## in which formulae R.sup.1 is C.sub.1 -C.sub.12 alkyl, R.sup.2 is C.sub.10 -C.sub.30 alkyl, phenyl which is substituted by one or two C.sub.8 -C.sub.12 alkyl groups, R.sup.3 has the meaning assigned to R.sup.2 or is the --Sn(OR.sup.2)(R.sup.1).sub.2 group, wherein R.sup.1 and R.sup.2 are as defined above, X is sulfur or oxygen, R.sup.4 is the --S--CH.sub.2 CH.sub.2 --COOR.sup.5 or --X--Sn(R.sup.1).sub.n (S--CH.sub.2 CH.sub.2 --COOR.sup.5).sub.3-n group, in which R.sup.1 and X are as defined above, R.sup.5 is C.sub.8 -C.sub.14 alkyl, n is 1 or 2, and R.sup.6 is c.sub.10 -C.sub.30 alkyl, the weight ratio of I:II or I:III being in the range from 9:1 to 1:9. These mixtures are stabilizers for chlorinated polymers and also activators for the manufacture of foamed plastics.
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