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:
Oct. 24, 2006
Filed:
Mar. 18, 2004
Applicants:
Kyung-hoon Lee, Gyeonggi-do, KR;
Seung-min Ryu, Gyeonggi-do, KR;
Yeon-kyoung Jung, Seoul, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Suwon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/00 (2006.01); C09B 1/20 (2006.01); C09B 43/124 (2006.01); C09B 43/132 (2006.01); C09B 43/22 (2006.01); C09B 43/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lightfast colorant and a lightfast ink composition include a lightfast colorant that is derived by covalently binding a benzophenone derivative and a conventional colorant and that imparts effective lightfastness and long-term storage stability to an ink composition that is prepared with the same.