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:
Jan. 28, 2014
Filed:
Nov. 24, 2009
Markus Frey, Rheinfelden, CH;
Christophe Frossard, Granges-Paccot, CH;
Katia Studer, Rixheim, FR;
Karin Powell, Lörrach, DE;
Jean-luc Birbaum, Binningen, CH;
Martin Müller, Lörrach, DE;
Markus Frey, Rheinfelden, CH;
Christophe Frossard, Granges-Paccot, CH;
Katia Studer, Rixheim, FR;
Karin Powell, Lörrach, DE;
Jean-Luc Birbaum, Binningen, CH;
Martin Müller, Lörrach, DE;
BASF SE, Ludwigshafen, DE;
Abstract
Photoinitiator compounds comprising both a photoactive moiety and an amine functionality, bonded to a polyhedral oligomeric silsesquioxane, which photoinitiator is represented by formula (1) or (1') wherein n is 2m; m is an integer of 2 to 30; the sum of n′+a is an integer 4-60; n′ is an even-numbered integer; a is an even- or uneven-numbered integer; and for example different A C-Calkyl, or a photoactive moiety Q1, or a group of formula (2); E for example is a direct bond, L is linear or branched C-Calkylene, preferably propylene; Rand Rfor example are a photoactive moiety Q, or Calkyl; Q is for example a group of formula (4); Zis for example C-Calkylene which is unsubstituted or substituted by one or more OR; and R, R, Rand Rfor example are hydrogen; are especially suitable as low-migrating photoinitiators.