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. 23, 2015
Filed:
Mar. 13, 2013
Dsm Ip Assets B.v., Heerlen, NL;
Timothy Edward Bishop, Algonquin, IL (US);
Edward Joseph Murphy, Arlington Heights, IL (US);
John Edmond Southwell, Glen Ellyn, IL (US);
Satyendra Sarmah, Chicago, IL (US);
TaiYeon Lee, Crystal Lake, IL (US);
DSM IP ASSETS B.V., Heerlen, NL;
Abstract
The invention relates to radiation curable compositions comprising a liquid 0/s(acyl)phosphine photo initiators of formula (I): wherein each of Ar, Arand Aris independently a substituted or unsubstituted aryl group. The invention also relates to stabilized forms of liquid bis(acyl)phosphines of formula (I) and radiation curable composition comprising said stabilized photoinitiators. The radiation curable compositions are selected from the group consisting of an optical fiber coating composition and a coating composition capable of radiation cure on concrete and a coating composition capable of radiation cure on metal.