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Extract from the Register of European Patents

EP About this file: EP0272004

EP0272004 - Bi-initiator system for water-in-oil emulsion polymers [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  22.03.1994
Database last updated on 08.10.2024
Most recent event   Tooltip22.03.1994Opposition rejectedpublished on 11.05.1994 [1994/19]
Applicant(s)For all designated states
EXXON CHEMICAL PATENTS INC.
1900 East Linden Avenue
Linden
New Jersey 07036-0710 / US
[N/P]
Former [1988/25]For all designated states
EXXON CHEMICAL PATENTS INC.
1900 East Linden Avenue
Linden, New Jersey 07036-0710 / US
Inventor(s)01 / Robinson, Peter Mitchell
6162 Marlowe Drive
Columbus, GA 31904 / US
02 / Van-Det, Nguyen
7042 Widgeon Drive
Midland, GA 31820 / US
[1990/48]
Former [1988/25]01 / Robinson, Peter Mitchell
6162 Marlowe drive
Columbus Georgia 31904 / US
02 / Van-Det, Nguyen
7042 Widgeon Drive
Midland Georgia 31820 / US
Representative(s)Northover, Robert Frank, et al
Exxon Chemical Limited
Exxon Chemical Technology Centre
P.O. Box 1
Abingdon
Oxfordshire OX13 6BB / GB
[N/P]
Former [1988/25]Northover, Robert Frank, et al
Exxon Chemical Limited Exxon Chemical Technology Centre PO Box 1
Abingdon Oxfordshire, OX13 6BB / GB
Application number, filing date87310187.718.11.1987
[1988/25]
Priority number, dateUS1986093254218.11.1986         Original published format: US 932542
[1988/25]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0272004
Date:22.06.1988
Language:EN
[1988/25]
Type: A3 Search report 
No.:EP0272004
Date:06.07.1988
Language:EN
[1988/27]
Type: B1 Patent specification 
No.:EP0272004
Date:28.11.1990
Language:EN
[1990/48]
Search report(s)(Supplementary) European search report - dispatched on:EP16.05.1988
ClassificationIPC:C08F2/32
[1988/25]
CPC:
C08F2/32 (EP,US)
Designated contracting statesDE,   FR,   GB,   NL,   SE [1988/25]
TitleGerman:Bi-Initiatorsystem für Wasser-in-Öl-Emulsionspolymere[1988/25]
English:Bi-initiator system for water-in-oil emulsion polymers[1988/25]
French:Système initiateur biphase pour polymères en émulsion eau-dans-l'huile[1988/25]
Examination procedure17.12.1987Examination requested  [1988/25]
05.01.1990Despatch of communication of intention to grant (Approval: Yes)
08.05.1990Communication of intention to grant the patent
10.08.1990Fee for grant paid
10.08.1990Fee for publishing/printing paid
Opposition(s)Opponent(s)01  27.08.1991  10.09.1991  ADMISSIBLE
Röhm GmbH
Kirschenallee
64293 Darmstadt / DE
 [N/P]
Former [1991/42]
Opponent(s)01  27.08.1991  10.09.1991  ADMISSIBLE
Röhm GmbH
Kirschenallee
D-64293 Darmstadt / DE
02.10.1991Invitation to proprietor to file observations on the notice of opposition
02.04.1992Reply of patent proprietor to notice(s) of opposition
09.04.1992Communication of observations of patent proprietor (Time limit: M04)
05.08.1992Reply of parties involved to observations of patent proprietor
07.05.1993Despatch of a communication from the opposition division (Time limit: M04)
07.09.1993Reply to a communication from the opposition division
10.12.1993Date of despatch of rejection of opposition
20.12.1993Legal effect of rejection of opposition [1994/19]
Fees paidRenewal fee
29.09.1989Renewal fee patent year 03
20.09.1990Renewal fee patent year 04
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[A]GB1371031  (ICI LTD);
 [AD]EP0119078  (UNION CARBIDE CORP [US]);
 [XP]DE3617311  (LION CORP [JP])
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.