Radiation-curable lithographic inks from multifunctional...

Details Radiation-curable lithographic inks from multifunctional... Radiation-curable lithographic inks from multifunctional...

2007-05-08

2007-05-08

McClendon, Sanza L. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

C522S071000, C522S084000, C522S173000, C522S178000, C522S182000, C522S183000, C522S181000, C522S904000, C106S031130, C106S031600, C428S411100, C101S450100, C101S451000

Reexamination Certificate

active

10835058

ABSTRACT:
The present invention relates generally to radiation-curable ink formulations, and particularly, but not by way of limitation, to a family of radiation-curable ink formulations specifically for lithographic printing applications. The inventive ink formulations are based on multifunctional acrylate resins formed by the reaction of acrylate monomers and oligomers with β-keto esters (e.g., acetoacetates), β-diketones (e.g., 2,4-pentanedione), β-keto amides (e.g., acetoacetanilide, acetoacetamide), and/or other β-dicarbonyl compounds that can participate in Michael addition reactions.

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Bassemir et al, Inks, Kirk-Othmer Encyclopedia of Chemical Technology. [online], Aug. 13, 2004 [retrieve Jan. 23, 2006]. retrieved from Internet: <URL:http://www.mrvinterscience.wiley.com/kirk/articles/inksbass.aol/sect2.html>.

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