Nova Patents
BRPI0109443A

Hydrogel with internal wetting agent

Abstract

"hydrogel with internal wetting agent". a wettable silicone hydrogel made by including a high molecular weight hydrophilic polymer in the silicone hydrogel monomer blend is disclosed. the hydrophilic polymer is trapped in the hydrogel with little or no covalent bonding between it and the hydrogel matrix.

Term

Term ended

Projected expiry passed 22 March 2021, 5.5 years ago.

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328 members in 15 offices

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Priority claims2

Priority claims
DocumentOfficeKindDate
53306200United States of AmericaA
0109072United States of AmericaW

Members328

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CA2264083A1CanadaA1
EP0940693A2European Patent Office (EPO)A2
AU1848999AAustraliaA
CN1234522AChinaA
JPH11316358AJapanA
US5998498AUnited States of AmericaA
BR9900828ABrazilA
SG73617A1SingaporeA1
KR20000034800ARepublic of KoreaA
EP0940693A3European Patent Office (EPO)A3
CA2386659A1CanadaA1
WO0127174A1World Intellectual Property Organization (WIPO)A1
AU7367600AAustraliaA
CA2404133A1CanadaA1
WO0170837A1World Intellectual Property Organization (WIPO)A1
AU4765601AAustraliaA
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KR20020040839ARepublic of KoreaA
CA2432460A1CanadaA1
WO0249683A2World Intellectual Property Organization (WIPO)A2
AU3972502AAustraliaA
US2002107324A1United States of AmericaA1
BR0014552ABrazilA
EP1235866A1European Patent Office (EPO)A1
EP1268590A1European Patent Office (EPO)A1
HK1047117A1Hong Kong, ChinaA1
US2003044447A1United States of AmericaA1
CN1402741AChinaA
CA2460029A1CanadaA1
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WO03022321A2World Intellectual Property Organization (WIPO)A2
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KR20030065306ARepublic of KoreaA
US2003162862A1United States of AmericaA1
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JP2003526707AJapanA
CN1441814AChinaA
JP2003528183AJapanA
EP1357949A2European Patent Office (EPO)A2
AR033653A1ArgentinaA1
BRPI0109443AThis recordBrazilA
KR20040012700ARepublic of KoreaA
BR0116404ABrazilA
KR20040047821ARepublic of KoreaA
EP1425052A2European Patent Office (EPO)A2
EP1425053A2European Patent Office (EPO)A2
CA2506658A1CanadaA1
WO2004047878A1World Intellectual Property Organization (WIPO)A1
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US2004115242A1United States of AmericaA1
AU2003294450A1AustraliaA1
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TW592732BTaiwan Province of ChinaB
US2004150788A1United States of AmericaA1
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JP2004535475AJapanA
KR20040101186ARepublic of KoreaA
BR0212436ABrazilA
WO2004081105A3World Intellectual Property Organization (WIPO)A3
TW200500195ATaiwan Province of ChinaA
TW200504402ATaiwan Province of ChinaA
US6849671B2United States of AmericaB2
HK1064961A1Hong Kong, ChinaA1
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AU780035B2AustraliaB2
TWI229683BTaiwan Province of ChinaB
JP2005513173AJapanA
AU2001247656B2AustraliaB2
US2005117112A1United States of AmericaA1
AR042118A1ArgentinaA1
AR042122A1ArgentinaA1
EP0940693B1European Patent Office (EPO)B1
AR042593A1ArgentinaA1
JP2005518826AJapanA
CN1635915AChinaA
US2005154080A1United States of AmericaA1
AU2004312062A1AustraliaA1
CA2551816A1CanadaA1
US2005159502A1United States of AmericaA1
WO2005065731A1World Intellectual Property Organization (WIPO)A1
DE69925876D1GermanyD1
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