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:
Oct. 30, 2018
Filed:
Aug. 13, 2015
Igm Malta Limited, Gzira GZR, MT;
Peter Nesvadba, Marly, CH;
Lucienne Bugnon Folger, Pfeffingen, CH;
Antoine Carroy, Limburgerhof, DE;
IGM Malta Limited, , MT;
Abstract
Compounds of the formula (I) (I), wherein X is O, S, a direct bond or CRR; Y is O or S; R, R, R, R, R, R, Rand Rfor example are hydrogen, halogen, C-Calkyl, or a group of formula (II) or (III) (II) (III) provided that either (i) one of R, R, R, R, R, R, Ror Ris a group of formula (II) or (III); or (ii) one of R, R, Ror Ris a group of formula (II) or (III) and one of R, R, Ror Ris a group of formula (II) or (III); Rand Rindependently of each other are C-Calkyl or together with the C atom to which they are attached form a 5-membered, 6-membered or 7-membered carbocyclic ring; Ris hydrogen, C-Calkyl, C-Ccycloalkyl, 2-tetrahydropyranyl or Si(C-Calkyl); Rand Rfor example are C-Calkyl, C-Calkenyl, phenyl-C-Calkyl, phenyl-C-Calkyl which is substituted by C-Calkyl, Rand Rindependently of each other are C-Calkyl, C-Ccycloalkyl, or together with the N atom to which they are attached form a 5-membered, 6-membered or 7-membered ring, which may contain additional heteroatoms O, S or N; Rand Rfor example are hydrogen, C-Calkyl, C-Ccycloalkyl, phenyl-C-Calkyl, phenyl; are effective photoinitiators.