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Extract from the Register of European Patents

EP About this file: EP0699744

EP0699744 - Electrorheological fluids containing particles of a polar solid material and an inactive polymeric material [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.12.2000
Database last updated on 20.12.2024
Most recent event   Tooltip04.01.2008Lapse of the patent in a contracting state
New state(s): IT		published on 06.02.2008  [2008/06]
Applicant(s)For all designated states
The Lubrizol Corporation
29400 Lakeland Boulevard
Wickliffe, Ohio 44092-2298 / US
[N/P]
Former [1996/10]For all designated states
THE LUBRIZOL CORPORATION
29400 Lakeland Boulevard
Wickliffe, Ohio 44092-2298 / US
Inventor(s)01 / Schober, Barton J.
7363 Presley Avenue
Mentor, Ohio 44060 / US
02 / Piedrahita, Carlos A.
7543 Acacia Avenue
Mentor, Ohio 44060 / US
03 / Pialet, Joseph W.
26151 Lakeshore Boulevard, Apartement 506
Euclid, Ohio 44132 / US
[1996/10]
Representative(s)Crisp, David Norman, et al
D Young & Co LLP 120 Holborn
London EC1N 2DY / GB
[N/P]
Former [1996/10]Crisp, David Norman, et al
D. YOUNG & CO. 21 New Fetter Lane
London EC4A 1DA / GB
Application number, filing date95305783.318.08.1995
[1996/10]
Priority number, dateUS1994029353619.08.1994         Original published format: US 293536
[1996/10]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0699744
Date:06.03.1996
Language:EN
[1996/10]
Type: A3 Search report 
No.:EP0699744
Date:11.09.1996
[1996/37]
Type: B1 Patent specification 
No.:EP0699744
Date:23.02.2000
Language:EN
[2000/08]
Search report(s)(Supplementary) European search report - dispatched on:EP26.07.1996
ClassificationIPC:C10M171/00
[1996/10]
CPC:
C10M171/001 (EP,US)
Designated contracting statesBE,   DE,   ES,   FR,   GB,   IT,   NL,   SE [1996/10]
TitleGerman:Elektrorheologische Flüssigkeiten, enthaltend Partikel eines polaren, festen Materials und eines inaktiven Polymermaterials[2000/07]
English:Electrorheological fluids containing particles of a polar solid material and an inactive polymeric material[1996/10]
French:Fluides électrohéologiques contenant des particules d'un matériau solide et polaire et des particules d'un matériau polymérique inactif[1996/10]
Former [1996/10]Elektrorheologische Flüssigkeiten, enthaltend Partikeln eines polaren, festen Materials und eines inaktiven Polymermaterials
Examination procedure12.02.1997Examination requested  [1997/15]
22.09.1997Despatch of a communication from the examining division (Time limit: M04)
27.01.1998Reply to a communication from the examining division
17.09.1998Despatch of a communication from the examining division (Time limit: M04)
22.01.1999Reply to a communication from the examining division
19.04.1999Despatch of communication of intention to grant (Approval: Yes)
20.08.1999Communication of intention to grant the patent
10.11.1999Fee for grant paid
10.11.1999Fee for publishing/printing paid
Opposition(s)24.11.2000No opposition filed within time limit [2001/06]
Fees paidRenewal fee
23.07.1997Renewal fee patent year 03
27.07.1998Renewal fee patent year 04
04.08.1999Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipBE23.02.2000
ES23.02.2000
IT23.02.2000
NL23.02.2000
SE23.05.2000
DE24.05.2000
[2008/06]
Former [2003/08]BE23.02.2000
ES23.02.2000
NL23.02.2000
SE23.05.2000
DE24.05.2000
Former [2002/26]BE23.02.2000
ES23.02.2000
SE23.05.2000
DE24.05.2000
Former [2002/11]BE23.02.2000
SE23.05.2000
DE24.05.2000
Former [2001/09]BE23.02.2000
SE23.05.2000
Former [2001/08]BE23.02.2000
Documents cited:Search[X]JPH03160094  ;
 [X]JPH03166295  ;
 [X]JPS6397694  ;
 [X]EP0201827  (BAYER AG [DE], et al) [X] 1-3,6-13 * page 3, line 27 - page 6, line 7 *;
 [X]DE4131142  (BAYER AG [DE]) [X] 1-13 * page 2, line 38 - line 67 * * page 5, line 17 - line 49 *;
 [XD]WO9307244  (LUBRIZOL CORP [US]) [XD] 1-13 * page 18, lines 5-30; claims 1-53 * * page 32 - page 33 *;
 [XD]WO9307243  (LUBRIZOL CORP [US]) [XD] 1-13 * page 7 - page 11; claims 1-69 ** page 40 *;
 [X]  - DATABASE WPI, 1, Derwent World Patents Index, vol. 91, no. 34, Database accession no. 91-248113, XP002006017 & JPH03160094 A 19910710 (ASAHI CHEMICAL IND KK) [X] 1,2,4,6-13 * abstract *
 [X]  - DATABASE WPI, 1, Derwent World Patents Index, vol. 91, no. 35, Database accession no. 91-256248, XP002006018 & JPH03166295 A 19910718 (ASAHI CHEMICAL IND KK) [X] 1,2,4,6-13 * abstract *
 [X]  - DATABASE WPI, 1, Derwent World Patents Index, vol. 88, no. 23, Database accession no. 88-157910, XP002006019 & JPS6397694 A 19880428 (ASAHI CHEMICAL IND KK) [X] 1,2,6-13 * abstract *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.