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:
Feb. 07, 2006
Filed:
Apr. 03, 2002
Applicants:
Marco Visconti, Varese, IT;
Gabriele Norcini, Comabbio, IT;
Giuseppe LI Bassi, Gavirate, IT;
Inventors:
Assignee:
Lamberti SpA, Albizzate, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07L 49/15 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention refers to solid mixtures of alpha hydroxycarbonyl derivatives of alpha-methylstyrene oligomers containing at least 90% of the dimer isomers, the dimer isomer ratio being between 2.5 and 7, to their preparation and to their use as photoinitiators in photopolymerisation.