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:
Aug. 15, 2023
Filed:
May. 18, 2018
Lg Chem, Ltd., Seoul, KR;
Jae Sung Hong, Daejeon, KR;
Dong Hoon Lim, Daejeon, KR;
Ju Yong Seo, Daejeon, KR;
Jun Man Choi, Daejeon, KR;
Woo Yeon Kim, Daejeon, KR;
Ho Kyung Song, Daejeon, KR;
Jang Soon Kim, Daejeon, KR;
Sle Lee, Daejeon, KR;
Kwang Su Seo, Daejeon, KR;
Abstract
Provided is a multilayer adhesive tape having excellent step coverage and reworkability. The multilayer adhesive tape sequentially includes: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer, in which the intermediate adhesive layer includes an intermediate adhesive polymer including: a polymerization unit of an alkyl group-containing (meth)acrylate monomer; a polymerization unit of a carboxyl group-containing monomer; and a polymerization unit of an acrylamide-based monomer.