US 9,315,445 B2Granted

Photoreactive monomers

AssigneeBASF SE

InventorsDieter Urban, Ulrike Licht, Christopher Barner-Kowollik, Guillaume Delaittre, Elena Frick

Life of this patent

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Abstract

Photoreactive monomer which has (i) at least one free-radically polymerizable C—C double bond, (ii) at least one hydrophilic group selected from an ethylene glycol group and a polyethylene glycol group having at least 2 ethylene glycol units and (iii) at least one photoreactive group, the photoreactive group being a photoenolizable carbonyl group, and also a method for preparing the photoreactive monomers.

Claims4

Dependent claims

A photoreactive monomer represented by formula (II):

wherein
n is a number from 0 to 19 and
R is hydrogen or methyl.

Dependencies are inferred from the claim text.

Facts

Application: 14/021,040Filed 9 Sep 2013 · us provisional application
Priority: 12 Sep 2012
Published: US 2014/0073810 A113 Mar 2014
Granted: 19 Apr 2016
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

C07C 69/54
Monocarboxylic acid esters having only one carbon-to-carbon double bond: acrylic acid esters; Methacrylic acid esters
C07C 45/64
By reactions not involving the formation of >C = O groups: by introduction of functional groups containing oxygen only in singly bound form
C07C 67/14
Preparation of carboxylic acid esters: from carboxylic acid halides
C07C 67/28
Preparation of carboxylic acid esters: by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group

Family

Application61/699,897Us provisional application · filed 12 Sep 2012
US 2014/0073810 A1Pre-grant publication · published 13 Mar 2014
US 9,315,445 B2This patent

From the US filing history. Foreign family members aren’t listed.

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