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 9475913 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 25, 2016

Filed:

Dec. 27, 2012
Applicant:

Lg Hausys, Ltd., Seoul, KR;

Inventors:

Cheng Zhe Huang, Cheongju-si, KR;

Chang Won Kang, Cheongju-si, KR;

Ji Hyang Son, Daejeon, KR;

Assignee:

LG HAUSYS, LTD., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/10 (2006.01); C08J 9/00 (2006.01);
U.S. Cl.
CPC ...
C08J 9/103 (2013.01); C08J 9/0023 (2013.01); C08J 9/10 (2013.01); C08J 2203/04 (2013.01); C08J 2300/16 (2013.01); C08J 2367/02 (2013.01); C08J 2367/04 (2013.01);
Abstract

Disclosed is a foam sheet using polylactic acid, which provides the advantages of energy reduction and greenhouse gas reduction, and does not emit toxic substances such as toxic gas or endocrine-disrupting chemicals. The foam sheet, according to the present invention, comprises at least one resin layer comprising a biodegradable resin composition including the polylactic acid having an extended chain, a plasticizer, and a foaming agent, and thus provides the advantages of superior processing properties, superior water resistance after processing, energy reduction and greenhouse gas reduction, and of not emitting toxic substances such as toxic gas or endocrine-disrupting chemicals.


Find Patent Forward Citations

Huang, Cheng. (2016). Foam sheet using polylactic acid having extended chain and method for preparing the same (U.S. Patent No. 9475913). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9475913

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