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. 14, 1997
Filed:
Mar. 17, 1995
Applicant:
Inventors:
Hikaru Shimizu, Osaka, JP;
Toshio Igarashi, Kyoto, JP;
Akira Wakatsuki, Niihama, JP;
Yoshihiro Nakatsuji, Toyonaka, JP;
Yuu Shida, Nagoya, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08L / ;
U.S. Cl.
CPC ...
521 73 ; 521 75 ; 521107 ; 521134 ; 521145 ; 264 41 ; 264 54 ;
Abstract
An expandable poly(vinyl chloride) resin composition for use in powder molding process containing a granular poly(vinyl chloride) resin, a fine-granular poly(vinyl chloride) resin, a plasticizer, a stabilizer, a foaming agent and an alkyl phosphate gives by a powder molding process an expansion-molded article having remarkably strengthened foamed cells and free from the occurrence of surface unevenness caused by polyurethane backing.