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.

Date of Patent:
Feb. 03, 2004

Filed:

Jul. 09, 2002
Applicant:
Inventors:

Tomoo Tokiwa, Utunomiya, JP;

Mitsuru Shinohara, Kanuma, JP;

Hidehiro Sasaki, Tochigi-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/22 ; C08J 9/224 ;
U.S. Cl.
CPC ...
C08J 9/22 ; C08J 9/224 ;
Abstract

Foamed and expanded beads including a polyester-based resin containing at least 35 mole % of an aliphatic ester component. The foamed beads have a gel fraction of at least 5 % by weight and comprises at least one gel accelerating agent selected from fatty acids having 12-25 carbon atoms, metal salts of the fatty acids, esters of the fatty acids and amides of the fatty acids in an amount of 0.15-3 % by weight. A foam molding is obtained by heating the foamed and expanded beads in a mold.


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