Nova Patents
PL287984A1

Functional liquid

Abstract

Aqueous Structured Surfacatants, e.g. lamellar, or preferably spherulitic systems optionally containing suspended solids are used as Functional Fluids, such as Drilling Fluids, Cutting Fluids, Hydraulic Fluids, Heat Transfer Fluids, Construction Muds and Lubricants.

Term

Term ended

Projected expiry passed 28 November 2005, 20.8 years ago.

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64 members in 25 offices

This recordMember, by publication datePriority claim15 more offices are in the list below

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Priority claims
DocumentOfficeKindDate
8926885United KingdomA

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GB8919254D0United KingdomD0
GB8926885D0United KingdomD0
GB9020409D0United KingdomD0
NO905126D0NorwayD0
FI905859A0FinlandA0
GB9025493D0United KingdomD0
CA2023990A1CanadaA1
EP0414549A2European Patent Office (EPO)A2
CA2030694A1CanadaA1
FI905859AFinlandA
FI905859A7FinlandA7
FI905859LFinlandL
NO905126LNorwayL
EP0430602A1European Patent Office (EPO)A1
GB2238560AUnited KingdomA
IE904271A1IrelandA1
AU6696090AAustraliaA
HU907676D0HungaryD0
KR910009899ARepublic of KoreaA
CN1052687AChinaA
HUT56126AHungaryA
JPH03205500AJapanA
BR9006034ABrazilA
JPH03217499AJapanA
PL287984A1This recordPolandA1
CS590590A3Czechoslovakia (until 1993)A3
EP0414549A3European Patent Office (EPO)A3
ZA909531BSouth AfricaB
YU225990AYugoslavia, later Serbia and Montenegro (until 2006)A
AU630524B2AustraliaB2
NZ236238ANew ZealandA
GB2238560BUnited KingdomB
EP0414549B1European Patent Office (EPO)B1
AT115180TAustriaT
ATE115180T1AustriaT1
DE69014773D1GermanyD1
DK0414549T3DenmarkT3
ES2069017T3SpainT3
DE69014773T2GermanyT2
GR3015200T3GreeceT3
PL166502B1PolandB1
JPH0759720B2JapanB2
EP0430602B1European Patent Office (EPO)B1
AT127829TAustriaT
ATE127829T1AustriaT1
IE65100B1IrelandB1
DE69022371D1GermanyD1
DK0430602T3DenmarkT3
ES2077040T3SpainT3
PL168089B1PolandB1
GR3017642T3GreeceT3
DE69022371T2GermanyT2
NO301841B1NorwayB1
CA2030694CCanadaC
US5807810AUnited States of AmericaA
US5964692AUnited States of AmericaA
HU217913BHungaryB
MY111587AMalaysiaA
CA2023990CCanadaC
EP0414549B2European Patent Office (EPO)B2
DZ1463A1AlgeriaA1
DK0414549T4DenmarkT4
DE69014773T3GermanyT3
ES2069017T5SpainT5