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Extract from the Register of European Patents

EP About this file: EP0215565

EP0215565 - Dispersing agents [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  18.12.1998
Database last updated on 03.04.2025
Most recent event   Tooltip23.11.2007Lapse of the patent in a contracting state
New state(s): IT
published on 26.12.2007  [2007/52]
Applicant(s)For all designated states
Ciba Specialty Chemicals Water Treatments Limited
P.O. Box 38, Low Moor Bradford
West Yorkshire BD12 0JZ / GB
[N/P]
Former [1987/13]For all designated states
ALLIED COLLOIDS LIMITED
P.O. Box 38, Low Moor
Bradford, West Yorkshire BD12 0JZ / GB
Inventor(s)01 / Hawe, Malcolm
3 Broombank Birkby
Huddersfield West Yorkshire / GB
02 / Farrar, David
13 Greenfield Lane Idle
Bradford West Yorkshire / GB
[1987/13]
Representative(s)Lawrence, Peter Robin Broughton, et al
Gill Jennings & Every LLP Broadgate House 7 Eldon Street
London EC2M 7LH / GB
[N/P]
Former [1987/13]Lawrence, Peter Robin Broughton, et al
GILL JENNINGS & EVERY, Broadgate House, 7 Eldon Street
London EC2M 7LH / GB
Application number, filing date86306078.606.08.1986
[1987/13]
Priority number, dateGB1985002021812.08.1985         Original published format: GB 8520218
GB1986000365014.02.1986         Original published format: GB 8603650
[1987/13]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0215565
Date:25.03.1987
Language:EN
[1987/13]
Type: B1 Patent specification 
No.:EP0215565
Date:24.07.1991
Language:EN
[1991/30]
Search report(s)(Supplementary) European search report - dispatched on:EP14.01.1987
ClassificationIPC:C08F246/00, C08F220/28, C08F216/14
[1987/13]
CPC:
C08J3/03 (EP,US); C08F2/32 (EP,US); C08F246/00 (EP,US);
C08J3/09 (EP,US); C09K8/24 (EP,US); C08J2300/10 (EP,US);
C08J2300/14 (EP,US); Y10S516/01 (EP,US) (-)
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL,   SE [1987/13]
TitleGerman:Dispergiermittel[1987/13]
English:Dispersing agents[1987/13]
French:Agents dispersants[1987/13]
Examination procedure02.07.1987Examination requested  [1987/36]
14.11.1988Despatch of a communication from the examining division (Time limit: M07)
23.06.1989Reply to a communication from the examining division
17.11.1989Despatch of a communication from the examining division (Time limit: M04)
23.03.1990Reply to a communication from the examining division
05.09.1990Despatch of communication of intention to grant (Approval: Yes)
24.01.1991Communication of intention to grant the patent
10.04.1991Fee for grant paid
10.04.1991Fee for publishing/printing paid
Opposition(s)Opponent(s)01  09.04.1992  13.05.1992  ADMISSIBLE
Röhm GmbH
Kirschenallee
64293 Darmstadt / DE
 02  24.04.1992  13.05.1992  ADMISSIBLE
S.N.F. S.A.
41, Rue Jean-Huss
F-42000 Saint-Etienne / FR
Opponent's representative
Maiwald, Walter, et al, et al
Maiwald GmbH
Elisenhof
Elisenstraße 3
80335 München / DE
 [N/P]
Former [1994/18]
Opponent(s)01  09.04.1992  13.05.1992  ADMISSIBLE
Röhm GmbH
Kirschenallee
D-64293 Darmstadt / DE
 02  24.04.1992  13.05.1992  ADMISSIBLE
SNF
41, Rue Jean-Huss
F-42028 Saint-Etienne Cedex 1 / FR
Opponent's representative
Maiwald, Walter, Dr. Dipl.-Chem., et al, et al
Maiwald & Partner, Poccistrasse 11
D-80336 München / DE
Former [1992/25]
Opponent(s)01  09.04.1992   
Röhm GmbH
Kirschenallee
D-64293 Darmstadt / DE
 02  24.04.1992   
SNF
41, Rue Jean-Huss
F-42028 Saint-Etienne Cedex 1 / FR
Opponent's representative
Strasse, Vonnemann & Partner, et al, et al
Balanstrasse 55
D-81541 München / DE
Former [1992/23]
Opponent(s)01  09.04.1992    ADMISSIBLE
Röhm GmbH
Kirschenallee
D-64293 Darmstadt / DE
01.06.1992Invitation to proprietor to file observations on the notice of opposition
04.12.1992Reply of patent proprietor to notice(s) of opposition
26.01.1994Date of oral proceedings
11.02.1994Despatch of a communication from the opposition division (Time limit: M02)
11.02.1994Despatch of minutes of oral proceedings
19.04.1994Reply to a communication from the opposition division
04.05.1994Despatch of interlocutory decision in opposition
08.12.1997Legal effect of interlocutory decision in opposition
04.09.1998Despatch of communication that the patent will be revoked
14.09.1998Legal effect of revocation of patent [1999/05]
Appeal following opposition06.05.1994Appeal received No.  T0398/94
01.09.1994Statement of grounds filed
24.10.1997Result of appeal procedure: appeal of the opponent was rejected
Fees paidRenewal fee
10.08.1988Renewal fee patent year 03
14.08.1989Renewal fee patent year 04
18.08.1990Renewal fee patent year 05
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Lapses during opposition  TooltipIT24.07.1991
NL24.07.1991
SE24.07.1991
GB06.08.1997
BE31.08.1997
FR30.04.1998
DE01.05.1998
[1999/42]
Former [1998/52]NL24.07.1991
SE24.07.1991
GB06.08.1997
BE31.08.1997
FR30.04.1998
DE01.05.1998
Former [1998/46]NL24.07.1991
SE24.07.1991
GB06.08.1997
BE31.08.1997
DE01.05.1998
Former [1998/41]NL24.07.1991
SE24.07.1991
GB06.08.1997
DE01.05.1998
Former [1998/30]NL24.07.1991
SE24.07.1991
GB06.08.1997
Former [1992/10]NL24.07.1991
SE24.07.1991
Former [1992/09]NL24.07.1991
Documents cited:Search[X]US4384096  (SONNABEND LAWRENCE F);
 [X]EP0003235  (BASF AG [DE])
ExaminationJP58074552
 EP0147745
 EP0048094
 GB1273552
    - Chemical Abstracts, vol. 18, no. 99:145063b & JP-A-58074552, & JP58074552 A 00000000
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.