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. 14, 1978
Filed:
Sep. 02, 1975
Applicant:
Inventors:
Assignee:
Kuraray Co., Ltd., Kurashiki, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 2608 / ; 260884 ; 260899 ; 264185 ;
Abstract
Shaped articles comprised of PVA and PVC having improved flame-retardancy and resistance to discoloration resulting from heat treatment are provided by the incorporation therein of calcined stannic acid, characterized by a specific crystal size.