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:
Mar. 04, 2014
Filed:
Nov. 22, 2006
An NA Lee, Daejeon, KR;
NO MA Kim, Daejeon, KR;
Jine Young Lee, Seoul, KR;
Hyun Ju Cho, Gyeongsangnam-do, KR;
Suk KY Chang, Daejeon, KR;
An Na Lee, Daejeon, KR;
No Ma Kim, Daejeon, KR;
Jine Young Lee, Seoul, KR;
Hyun Ju Cho, Gyeongsangnam-do, KR;
Suk Ky Chang, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
The present invention relates to an acrylic pressure sensitive adhesive composition comprising acrylic copolymers wherein the gel fraction represented by the specific formula (1) is 45 to 75%, the swelling ratio represented by the specific formula (2) is 5 to 20, and the weight average molecular weight of non-crosslinking polymer contained in a pressure sensitive adhesive prepared from the pressure sensitive adhesive composition sol eluted from the adhesive prepared by the composition with ethyl acetate is at least 300,000.