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:
Nov. 06, 2012

Filed:

Oct. 26, 2006
Applicants:

Hiroyuki Sato, Iwaki, JP;

Fuminori Kobayashi, Iwaki, JP;

Fumio Akutsu, Iwaki, JP;

Katsushi Momose, Tokyo, JP;

Inventors:

Hiroyuki Sato, Iwaki, JP;

Fuminori Kobayashi, Iwaki, JP;

Fumio Akutsu, Iwaki, JP;

Katsushi Momose, Tokyo, JP;

Assignee:

Kureha Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A particulate polyglycolic acid resin composition, comprising: a blend of a first particulate polyglycolic acid resin and a second particulate polyglycolic acid resin each having a moisture content of at most 110 ppm and providing a ratio of melt-viscosity (as measured at 270° C. and a shear rate of 121 sec; the same as hereinafter) therebetween of above 1 and at most 10. After the polymerization, the first and second particulate polyglycolic acid resins can cause change in properties before the forming (e.g., during storage); or during the forming process. However, by adequately determining the blending ratio between the resins while taking the melt-viscosities thereof into account, it becomes possible to provide a particulate polyglycolic acid resin composition showing a stable melt-formability and suitable as a starting material for various forming processes.


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Sato, Hiroyuki. (2012). Polyglycolic acid resin particle composition and process for production thereof (U.S. Patent No. 8304500). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8304500

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