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. 24, 1999
Filed:
Aug. 21, 1997
Applicant:
Inventors:
David George Leppard, Marly, CH;
Thomas Lloyd James, Frenkendorf, CH;
Nils Hock, Mullheim-Zunzingen, DE;
Manfred Kohler, Freiburg, DE;
Ronald Salathe, Magden, CH;
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08L / ; C08F / ; C07F / ;
U.S. Cl.
CPC ...
427510 ; 427519 ; 522 38 ; 522 42 ; 522 64 ; 522 75 ; 522 81 ; 522107 ; 522179 ; 522181 ; 522182 ; 560254 ; 560255 ; 560 53 ; 568 14 ; 568 15 ; 568335 ; 568336 ;
Abstract
Molecular complex compounds comprising a mono-, bis- or trisacylphosphine oxide compound with an .alpha.-hydroxy ketone compound are suitable as photoinitiators for the photopolymerization of free-radically polymerizable compounds.