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:
Sep. 14, 2021
Filed:
Jul. 02, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Heon Kim, Daejeon, KR;
Boo Kyung Kim, Daejeon, KR;
Seok Hoon Jang, Daejeon, KR;
Yeong Rae Chang, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/50 (2006.01); C08G 83/00 (2006.01); G06K 19/16 (2006.01); G02B 5/32 (2006.01); C08F 283/02 (2006.01); C08F 220/18 (2006.01); C08F 283/00 (2006.01); C08G 18/64 (2006.01); C08G 18/32 (2006.01); C08G 18/72 (2006.01); C08G 18/71 (2006.01); C08G 18/42 (2006.01); C08F 2/48 (2006.01); C09D 4/06 (2006.01); C08F 222/10 (2006.01);
U.S. Cl.
CPC ...
C08F 2/50 (2013.01); C08F 2/48 (2013.01); C08F 220/18 (2013.01); C08F 222/1006 (2013.01); C08F 283/006 (2013.01); C08G 18/3206 (2013.01); C08G 18/3212 (2013.01); C08G 18/4269 (2013.01); C08G 18/6484 (2013.01); C08G 18/71 (2013.01); C08G 18/72 (2013.01); C08G 83/00 (2013.01); C08G 83/007 (2013.01); C09D 4/06 (2013.01); G06K 19/16 (2013.01); G02B 5/32 (2013.01);
Abstract
The present invention relates to a photopolymer composition comprising: a polymer matrix or a precursor thereof including a reaction product of a polyol including a polyrotaxane compound and a compound containing at least one isocyanate group; a photoreactive monomer; and a photoinitiator. The present invention also relates to a hologram recording medium produced from the photopolymer composition, an optical element comprising the hologram recording medium, and a holographic recording method using the photopolymer composition.