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:
Mar. 02, 1993
Filed:
Sep. 05, 1991
Applicant:
Inventors:
Julian Zelazny, Allenstown, NH (US);
David R Morse, Sandown, NH (US);
Assignee:
Borden, Inc., Columbus, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ;
U.S. Cl.
CPC ...
524336 ; 428518 ; 524337 ; 524338 ; 524147 ; 524399 ; 525239 ;
Abstract
Polyvinyl chloride compositions as well as flexible sheets and swimming pool liners of such compositions which contain significant quantities of an ultra high molecular weight polyvinyl chloride resin together with a heat stabilizer, plasticizer and optional additives are disclosed. In preferred compositions: the PVC resin is a mixture of high molecular weight and ultra high molecular weight PVC: the heat stabilizer is a mixed zinc-barium-alkyl phosphite stabilizer; and the composition contains 2-hydroxy-4-(2-hydroxyethoxy) benzophenone as an ultraviolet light absorber.