EP 2286283 A1 20110223 - HYDROGEL BASED ON COPOLYMERS CONTAINING SILICONE
Title (en)
HYDROGEL BASED ON COPOLYMERS CONTAINING SILICONE
Title (de)
HYDROGEL BASIEREND AUF SILIKONHALTIGEN COPOLYMEREN
Title (fr)
HYDROGEL À BASE DE COPOLYMÈRES CONTENANT DE LA SILICONE
Publication
Application
Priority
- EP 2009054885 W 20090423
- DE 102008002375 A 20080612
Abstract (en)
[origin: WO2009149985A1] The invention relates to a hydrogel that is a copolymer of a polymerizable monomer mixture which contains a) 10-65 mole percent of at least one hydrophobic vinyl monomer of formula (I), where R1 represents hydrogen or methyl, p is an integer ranging from 1 to 8, and in which the hydroxy groups are provided in a protected form, b) 25-70 mole percent of at least one (meth)acrylate, vinyl carbonate, or vinyl carbamate monomer containing silicone, c) 0-25 mole percent of at least one hydrophilic vinyl monomer, and d) 0-10 mole percent of at least one cross-linking agent relative to the total amount of monomers a) to c). The hydroxy groups of the segments formed by monomers a) are provided in a protected or free form in the hydrogel. Said hydrogel can be used for producing contact lenses or intraocular lenses.
IPC 8 full level
G02B 1/04 (2006.01); C08F 230/08 (2006.01); C08L 33/06 (2006.01); G02C 7/04 (2006.01)
CPC (source: EP US)
C08F 230/085 (2020.02 - EP US); G02B 1/043 (2013.01 - EP US); C08F 220/282 (2020.02 - EP US); C08F 222/102 (2020.02 - EP US)
Citation (search report)
See references of WO 2009149985A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA RS
DOCDB simple family (publication)
DE 102008002375 A1 20091217; CN 102027391 A 20110420; EP 2286283 A1 20110223; JP 2011522934 A 20110804; KR 20110028435 A 20110318; TW 201006853 A 20100216; US 2011046332 A1 20110224; WO 2009149985 A1 20091217
DOCDB simple family (application)
DE 102008002375 A 20080612; CN 200980113696 A 20090423; EP 09761548 A 20090423; EP 2009054885 W 20090423; JP 2011512909 A 20090423; KR 20107025436 A 20090423; TW 98119209 A 20090609; US 93648609 A 20090423