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:
Jun. 14, 2016
Filed:
May. 04, 2012
Applicants:
SI Young Lee, Cheongju-si, KR;
Youn Woo Nam, Cheongju-si, KR;
Gun Soo Chung, Cheongju-si, KR;
Min Lee, Ansan-si, KR;
Inventors:
Si Young Lee, Cheongju-si, KR;
Youn Woo Nam, Cheongju-si, KR;
Gun Soo Chung, Cheongju-si, KR;
Min Lee, Ansan-si, KR;
Assignee:
LG HAUSYS, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 167/04 (2006.01); B32B 5/18 (2006.01); B32B 27/06 (2006.01); B32B 5/32 (2006.01);
U.S. Cl.
CPC ...
C09D 167/04 (2013.01); B32B 5/18 (2013.01); B32B 5/32 (2013.01); B32B 27/065 (2013.01); B32B 2266/0264 (2013.01); B32B 2270/00 (2013.01); B32B 2307/7163 (2013.01); Y10T 428/24851 (2015.01);
Abstract
The present invention relates to sheets. The sheets include a base layer, a foamed layer formed on the base layer, a printed layer formed on the foamed layer, and a partially foamed layer formed on the printed layer. At least one layer of the foamed layer and the partially foamed layer includes a polylactic acid (PLA) resin. The sheets are biodegradable.