HYDROPHILIC GELS DERIVED FROM GRAFTED PHOTOINITIATORS

WIPO Patent Application WO/2011/160640

A3

The invention provides a method for the manufacture of a gel, said method comprising the steps of: providing a matrix composition comprising a polymeric photoinitiator of the general formula (I) : Polymer-[CR2-CHR-Spacer(PI)n]m (I) curing the matrix composition by exposing it to UV radiation and exposing the matrix composition to a swelling medium. The invention also relates to gels obtainable via the above method. The invention provides a hydrophilic gel precursor manufactured from the polymeric photoinitiator of Formula (I). Medical devices comprising the gels and hydrophilic gel precursors of the invention are provided. The invention also provides the use of a polymeric photoinitiator in the manufacture of a gel.

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NIELSEN CHRISTIAN B (DK)
MADSEN NIELS JOERGEN (DK)
HOEJ CARSTEN (DK)

PCT/DK2011/050228

March 01, 2012

June 22, 2011

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COLOPLAST AS (DK)
NIELSEN CHRISTIAN B (DK)
MADSEN NIELS JOERGEN (DK)
HOEJ CARSTEN (DK)

C08F2/50; C08F2/48; C08F12/14; C08J3/075; C08J3/28; C08L71/02

WO1999016812A1

1999-04-08

US20030236425A1

2003-12-25

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