Nova Patents
AT23186T

Coal-aqueous mixtures comprising nonionic and anionic surfactants and a method for forming same.

Abstract

This record has no abstract on file.

Term

No projected expiry on record.

  1. Priority
  2. Filed
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  4. Today

81 members in 14 offices

This recordMember, by publication datePriority claim4 more offices are in the list below

Priority claims1

Priority claims
DocumentOfficeKindDate
49562883United States of AmericaA

Members81

Family members, oldest first
DocumentOfficeKind
EP0057576A2European Patent Office (EPO)A2
JPS57147595AJapanA
US4358293AUnited States of AmericaA
ZA82215BSouth AfricaB
DK409683D0DenmarkD0
PT77319APortugalA
EP0057576A3European Patent Office (EPO)A3
CA1157267ACanadaA
DK409683ADenmarkA
US4441889AUnited States of AmericaA
JPS5964696AJapanA
EP0106130A2European Patent Office (EPO)A2
ZA836671BSouth AfricaB
DK245084D0DenmarkD0
DK245184D0DenmarkD0
FI842009A0FinlandA0
GR79060BGreeceB
US4478603AUnited States of AmericaA
DK245084ADenmarkA
DK245184ADenmarkA
FI842008AFinlandA
FI842008LFinlandL
FI842009AFinlandA
FI842009LFinlandL
NO841947LNorwayL
NO841948LNorwayL
AU2834384AAustraliaA
EP0126442A1European Patent Office (EPO)A1
EP0126444A1European Patent Office (EPO)A1
US4488881AUnited States of AmericaA
ZA843454BSouth AfricaB
ZA843455BSouth AfricaB
ES8502470A1SpainA1
AU1864683AAustraliaA
US4511365AUnited States of AmericaA
EP0106130A3European Patent Office (EPO)A3
FI851405LFinlandL
NO851406LNorwayL
EP0158321A2European Patent Office (EPO)A2
US4551179AUnited States of AmericaA
JPS60229993AJapanA
ZA852482BSouth AfricaB
PT77319BPortugalB
CA1200697ACanadaA
EP0057576B1European Patent Office (EPO)B1
AT19264TAustriaT
ATE19264T1AustriaT1
DE3270542D1GermanyD1
CA1207529ACanadaA
CA1208436ACanadaA
EP0126444B1European Patent Office (EPO)B1
AT23186TThis recordAustriaT
ATE23186T1AustriaT1
AU556889B2AustraliaB2
EP0126442B1European Patent Office (EPO)B1
DE3461103D1GermanyD1
EP0158321A3European Patent Office (EPO)A3
US4670058AUnited States of AmericaA
AU568309B2AustraliaB2
EP0106130B1European Patent Office (EPO)B1
AT33397TAustriaT
ATE33397T1AustriaT1
DE3376219D1GermanyD1
FI78497BFinlandB
FI78498BFinlandB
FI78497CFinlandC
FI78498CFinlandC
CA1260708ACanadaA
NO163626BNorwayB
NO163626CNorwayC
FI81601BFinlandB
JPH0237391B2JapanB2
EP0158321B1European Patent Office (EPO)B1
AT56037TAustriaT
ATE56037T1AustriaT1
DE3579346D1GermanyD1
FI81601CFinlandC
JPH0316997B2JapanB2
DK162654BDenmarkB
DK162654CDenmarkC
EP0057576B2European Patent Office (EPO)B2