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:
Aug. 21, 1979
Filed:
Oct. 28, 1976
Applicant:
Inventors:
Terufumi Adachi, Shinnan'yo, JP;
Michifumi Tanga, Shinnan'yo, JP;
Assignee:
Tokuyama Sekishi Kogyo Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521145 ; 264 51 ; 264 53 ; 264 55 ; 264D / ;
Abstract
A method for preparing foams of chlorinated vinyl chloride polymers is provided. The foams are prepared by impregnating the chlorinated vinyl chloride polymer with an aliphatic alcohol of from 1 to 5 carbon atoms and thereafter heating the impregnated polymer.