Nova Patents
AT447660T

Viscosity reduction of viscoelastic surfactant based fluids

Abstract

This record has no abstract on file.

Term

Term ended

Expired 8 July 2023, 3.2 years ago.

  1. Priority
  2. Filed
  3. Granted
  4. Expired
  5. Today

117 members in 16 offices

This recordMember, by publication datePriority claim6 more offices are in the list below

Priority claims2

Priority claims
DocumentOfficeKindDate
19452202United States of AmericaA
0307322European Patent Office (EPO)W

Members117

Family members, oldest first
DocumentOfficeKind
US814989AUnited States of AmericaA
US853062AUnited States of AmericaA
CA2405256A1CanadaA1
CA2649056A1CanadaA1
WO0177487A2World Intellectual Property Organization (WIPO)A2
AU6017801AAustraliaA
US2002004464A1United States of AmericaA1
WO0177487A3World Intellectual Property Organization (WIPO)A3
NO20024685D0NorwayD0
NO20024685LNorwayL
US2002193257A1United States of AmericaA1
EP1268976A2European Patent Office (EPO)A2
MXPA02009684AMexicoA
EA200201067A1Eurasian Patent Organization (EAPO)A1
AR028910A1ArgentinaA1
CN1427919AChinaA
US2003134751A1United States of AmericaA1
EA004093B1Eurasian Patent Organization (EAPO)B1
CA2492317A1CanadaA1
WO2004007904A1World Intellectual Property Organization (WIPO)A1
AU2003249987A1AustraliaA1
CA2510241A1CanadaA1
WO2004057155A1World Intellectual Property Organization (WIPO)A1
AU2003295180A1AustraliaA1
NO20050446LNorwayL
AR040491A1ArgentinaA1
US6881709B2United States of AmericaB2
EP1534926A1European Patent Office (EPO)A1
NO20052778D0NorwayD0
US6908888B2United States of AmericaB2
AR042514A1ArgentinaA1
EA200500192A1Eurasian Patent Organization (EAPO)A1
NO20052778LNorwayL
US2005155762A1United States of AmericaA1
CA2553020A1CanadaA1
WO2005071038A1World Intellectual Property Organization (WIPO)A1
EP1573169A1European Patent Office (EPO)A1
CN1678814AChinaA
BR0317296ABrazilA
MXPA05006022AMexicoA
AU2001260178B2AustraliaB2
EA200501011A1Eurasian Patent Organization (EAPO)A1
CN1729345AChinaA
MXPA05000352AMexicoA
US2006128597A1United States of AmericaA1
US2006128598A1United States of AmericaA1
CA2575501A1CanadaA1
WO2006064440A1World Intellectual Property Organization (WIPO)A1
US2006148660A1United States of AmericaA1
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US2006185842A1United States of AmericaA1
US2006229231A1United States of AmericaA1
OA12975AAfrican Intellectual Property Organization (OAPI)A
EA007350B1Eurasian Patent Organization (EAPO)B1
CN1288327CChinaC
EA200601347A1Eurasian Patent Organization (EAPO)A1
CN1930266AChinaA
CA2561814A1CanadaA1
AR053101A1ArgentinaA1
EA008273B1Eurasian Patent Organization (EAPO)B1
MX2007006476AMexicoA
CA2574003A1CanadaA1
MY131256AMalaysiaA
CN1330846CChinaC
CA2648234A1CanadaA1
CA2648708A1CanadaA1
WO2007119210A2World Intellectual Property Organization (WIPO)A2
WO2007119211A1World Intellectual Property Organization (WIPO)A1
EA200701283A1Eurasian Patent Organization (EAPO)A1
CN100346054CChinaC
WO2007119211B1World Intellectual Property Organization (WIPO)B1
US7320952B2United States of AmericaB2
CN101124291AChinaA
US7345012B2United States of AmericaB2
WO2007119210A3World Intellectual Property Organization (WIPO)A3
EA009806B1Eurasian Patent Organization (EAPO)B1
US7378378B2United States of AmericaB2
US7387986B2United States of AmericaB2
US7387987B2United States of AmericaB2
US2008167205A1United States of AmericaA1
CA2510241CCanadaC
US7402549B2United States of AmericaB2
EA010604B1Eurasian Patent Organization (EAPO)B1
EP2010623A1European Patent Office (EPO)A1
CA2553020CCanadaC
MY137687AMalaysiaA
CA2405256CCanadaC
CA2492317CCanadaC
EP1573169B1European Patent Office (EPO)B1
AT435901TAustriaT
ATE435901T1AustriaT1
DE60328309D1GermanyD1
CA2574003CCanadaC
EP1534926B1European Patent Office (EPO)B1
AT447660TThis recordAustriaT
ATE447660T1AustriaT1
DE60329919D1GermanyD1
MY140982AMalaysiaA
MY141036AMalaysiaA
RU2008144689ARussian FederationA
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