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. 03, 2014
Filed:
Nov. 04, 2011
Applicants:
Yongbo Zhang, Shenzhen, CN;
Yanchao Wang, Shenzhen, CN;
Yapeng Wang, Shenzhen, CN;
Huaihai Song, Shenzhen, CN;
Zhigang Wang, Shenzhen, CN;
Inventors:
Yongbo Zhang, Shenzhen, CN;
Yanchao Wang, Shenzhen, CN;
Yapeng Wang, Shenzhen, CN;
Huaihai Song, Shenzhen, CN;
Zhigang Wang, Shenzhen, CN;
Assignee:
Shenzhen UV-Chemtech Co., Ltd., Shenzhen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 49/00 (2006.01); C07C 45/00 (2006.01); C07C 211/00 (2006.01); C07C 217/00 (2006.01); C07C 261/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention discloses novel aromatic ketone compounds with functional substitution groups at para- or meta positions which can be used as photo-initiators or effective components of photo-initiator mixtures for the photopolymerizations of ethylenically unsaturated systems. The preparation of these compounds is also disclosed.