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:
May. 08, 2007
Filed:
Nov. 21, 2002
Thomas Bolle, Efringen-Kirchen, DE;
Andreas Valet, Binzen, DE;
David George Leppard, Marly, CH;
Stephen Mark Andrews, New Fairfield, CT (US);
Ramanathan Ravichandran, Suffern, NY (US);
Markus Grob, Riehen, CH;
Dirk Simon, Mutterstadt, DE;
Thomas Bolle, Efringen-Kirchen, DE;
Andreas Valet, Binzen, DE;
David George Leppard, Marly, CH;
Stephen Mark Andrews, New Fairfield, CT (US);
Ramanathan Ravichandran, Suffern, NY (US);
Markus Grob, Riehen, CH;
Dirk Simon, Mutterstadt, DE;
Ciba Specialty Chemicals Corp., Tarrytown, NY (US);
Abstract
Compounds of the general formula I' in which R, Rand Rindependently of one another, are H or —Y—T as defined in claimwhere T is a reactive group selected from OH, acryl- and methacryloxy and arylcarbonate groups, and further symbols are as defined in claimare effective as crosslinking agents for polymeric networks, especially as in flexographic printing plates, coatings, and plastic containers or films. Further provided is a method of protecting the content of a clear or lightly colored plastic container or film against the deleterious effects of ultraviolet radiation, which method comprises permanently and covalently bonding one or more UV absorbing moieties of a durable s-triazine UV absorber via condensation to a suitable polymer component.