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:
Jul. 11, 2006
Filed:
Aug. 09, 2004
Shiao H. Chang, Pasadena, CA (US);
Robert H. Grubbs, South Pasadena, CA (US);
Julia A. Kornfield, Pasadena, CA (US);
Axel Brait, Pasadena, CA (US);
Shiao H. Chang, Pasadena, CA (US);
Robert H. Grubbs, South Pasadena, CA (US);
Julia A. Kornfield, Pasadena, CA (US);
Axel Brait, Pasadena, CA (US);
Calhoun Vision, Pasadena, CA (US);
Abstract
The invention relates to novel photoinitiators and their use in light adjustable compositions. The initiatives comprise two or more multiphoton chromophores linked by a bridging compound. The bridging compound consists of a material that is compatible with the base material of the light adjustable composition. The novel photoinitiator permit the readjustment of light adjustable material without the need for significant amounts of photoabsorbers.