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. 24, 2000
Filed:
Jul. 23, 1998
Applicant:
Inventors:
Karl Josef Kuhn, Lautertal, DE;
Wolfgang Wehner, Ober-Ramstadt, DE;
Assignee:
Witco Vinyl Additives GmbH, Lampertheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
524 99 ; 524100 ; 524102 ; 524380 ; 524403 ; 524424 ; 524442 ; 524443 ; 524450 ;
Abstract
The invention relates to a PVC composition comprising a stabilizer combination of (b) polyDHP of the formula I ##STR1## where the radicals T, L, R, R', R' are as defined in claim 1, (c) a subtance from the group consisting of crystalline hydrotalcites, crystalline or amorphous zeolites, crystalline or amorphous dawsonites, magadiites or kenyaites, disaccharide alcohols and sterically hindered amines containing the structural unit ##STR2## in which R.sup.0 is hydrogen or methyl, and (d) at least one zinc, aluminium or lanthanoid compound.