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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.:

US 9670311 B1

PDFFull Text
Date of Patent:
Jun. 06, 2017

Filed:

Feb. 18, 2013

Polylactic polyester resin, aqueous polylactic polyester resin dispersion, and production method for aqueous polylactic polyester resin dispersion

Applicant:

Toyobo Co., Ltd., Osaka, JP;

Inventors:

Hideki Tanaka, Shiga, JP;

Naoko Oda, Shiga, JP;

Assignee:

TOYOBO CO., LTD, Osaka, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Alma Pipic

Int. Cl.
CPC ...
A01N 25/10 (2006.01); C08G 63/08 (2006.01); C08J 3/05 (2006.01); C09D 167/04 (2006.01); C09J 167/04 (2006.01); B32B 27/36 (2006.01); C09D 11/00 (2014.01); C08G 63/664 (2006.01); C09D 11/104 (2014.01); B32B 5/02 (2006.01); B32B 7/06 (2006.01); B32B 7/12 (2006.01); B32B 27/10 (2006.01); B32B 27/12 (2006.01); C08L 101/16 (2006.01);
U.S. Cl.
CPC ...
C08G 63/08 (2013.01); A01N 25/10 (2013.01); B32B 5/022 (2013.01); B32B 5/024 (2013.01); B32B 7/06 (2013.01); B32B 7/12 (2013.01); B32B 27/10 (2013.01); B32B 27/12 (2013.01); B32B 27/36 (2013.01); C08G 63/664 (2013.01); C08J 3/05 (2013.01); C09D 11/00 (2013.01); C09D 11/104 (2013.01); C09D 167/04 (2013.01); C09J 167/04 (2013.01); B32B 2307/7163 (2013.01); B32B 2307/748 (2013.01); B32B 2553/00 (2013.01); C08J 2367/04 (2013.01); C08L 101/16 (2013.01); Y10T 428/3179 (2015.04); Y10T 442/20 (2015.04);
Abstract

A polylactic polyester resin having a chemical structure represented by Formula (1), an acid value of 300 to 2,500 eq/10g, a number average molecular weight of 2,000 to 50,000, and a lactic acid content percentage of not less than 40 weight %,Z—(O—(CHCHO)—(CO—Y—O)—X)  (1) An aqueous dispersion, an aqueous resin composition, an aqueous adhesive, an aqueous paint, aqueous ink, a laminate made of an aqueous adhesive or aqueous ink, a packaging material, a sustained-release biodegradable coating agent, and a sustained-release biodegradable coated body comprising the sustained-release biodegradable coating agent, which contain the polyester resin.

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