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Extract from the Register of European Patents

EP About this file: EP0244167

EP0244167 - Improved process for preparing poly (aryl ethers) and poly (aryl ether ketones) [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  14.10.1992
Database last updated on 07.06.2024
Most recent event   Tooltip23.11.2007Lapse of the patent in a contracting statepublished on 26.12.2007  [2007/52]
Applicant(s)For all designated states
AMOCO CORPORATION
200 East Randolph Drive Chicago
Illinois 60601 / US
[N/P]
Former [1987/45]For all designated states
AMOCO CORPORATION
200 East Randolph Drive
Chicago Illinois 60601 / US
Inventor(s)01 / Winslow, Paul Anthony
97 Haas Road West
Basking Ridge New Jersey 07920 / US
02 / Kelsey, Donald Ross
490 Auten Road - 4B
Somerville New Jersey 08876 / US
03 / Matzner, Markus
23 Marshall Drive
Edison New Jersey 08817 / US
[1987/45]
Representative(s)Laredo, Jack Joseph, et al
Elkington and Fife, Prospect House, 8 Pembroke Road Sevenoaks
Kent TN13 1XR / GB
[N/P]
Former [1987/45]Laredo, Jack Joseph, et al
Elkington and Fife Prospect House 8 Pembroke Road
Sevenoaks, Kent TN13 1XR / GB
Application number, filing date87303619.824.04.1987
[1987/45]
Priority number, dateUS1986085559625.04.1986         Original published format: US 855596
US1987003783913.04.1987         Original published format: US 37839
[1987/45]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0244167
Date:04.11.1987
Language:EN
[1987/45]
Type: B1 Patent specification 
No.:EP0244167
Date:04.04.1990
Language:EN
[1990/14]
Search report(s)(Supplementary) European search report - dispatched on:EP25.08.1987
ClassificationIPC:C08G65/40, C08G65/38
[1987/45]
CPC:
C08G65/4093 (EP,US); C08G65/38 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1987/45]
TitleGerman:Verfahren zur Herstellung von Polyarylethern und Polyaryletherketonen[1987/45]
English:Improved process for preparing poly (aryl ethers) and poly (aryl ether ketones)[1987/45]
French:Procédé de préparation de polyaryléthers et polyaryléthercétones[1987/45]
Examination procedure29.03.1988Examination requested  [1988/22]
21.12.1988Despatch of a communication from the examining division (Time limit: M04)
26.04.1989Reply to a communication from the examining division
06.06.1989Despatch of communication of intention to grant (Approval: Yes)
06.10.1989Communication of intention to grant the patent
05.12.1989Fee for grant paid
05.12.1989Fee for publishing/printing paid
Opposition(s)Opponent(s)01  03.01.1991  23.01.1991  ADMISSIBLE
HOECHST Aktiengesellschaft Zentrale Patentabteilung
Postfach 80 03 20
D-65903 Frankfurt / DE
 [N/P]
Former [1991/10]
Opponent(s)01  03.01.1991  23.01.1991  ADMISSIBLE
HOECHST Aktiengesellschaft Zentrale Patentabteilung
Postfach 80 03 20
D-65903 Frankfurt / DE
19.02.1991Invitation to proprietor to file observations on the notice of opposition
20.08.1991Reply of patent proprietor to notice(s) of opposition
03.07.1992Date of despatch of rejection of opposition
13.07.1992Legal effect of rejection of opposition [1992/49]
Fees paidRenewal fee
17.04.1989Renewal fee patent year 03
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  TooltipAT04.04.1990
BE04.04.1990
CH04.04.1990
GR04.04.1990
IT04.04.1990
LI04.04.1990
NL04.04.1990
SE04.04.1990
LU30.04.1990
ES15.07.1990
[2007/52]
Former [2004/03]AT04.04.1990
BE04.04.1990
CH04.04.1990
GR04.04.1990
IT04.04.1990
LI04.04.1990
NL04.04.1990
SE04.04.1990
LU30.04.1990
ES15.07.1990
Former [2000/04]AT04.04.1990
BE04.04.1990
CH04.04.1990
GR04.04.1990
IT04.04.1990
LI04.04.1990
NL04.04.1990
SE04.04.1990
LU30.04.1990
Former [1999/52]AT04.04.1990
BE04.04.1990
CH04.04.1990
IT04.04.1990
LI04.04.1990
NL04.04.1990
SE04.04.1990
LU30.04.1990
Former [1999/42]AT04.04.1990
BE04.04.1990
CH04.04.1990
IT04.04.1990
LI04.04.1990
NL04.04.1990
SE04.04.1990
Former [1991/23]AT04.04.1990
BE04.04.1990
CH04.04.1990
LI04.04.1990
NL04.04.1990
SE04.04.1990
Former [1991/17]AT04.04.1990
CH04.04.1990
LI04.04.1990
NL04.04.1990
SE04.04.1990
Former [1990/50]CH04.04.1990
LI04.04.1990
SE04.04.1990
Former [1990/46]CH04.04.1990
LI04.04.1990
Documents cited:Search[A]EP0001879  (ICI LTD [GB]);
 [AD]US4176222  (CINDEREY MICHAEL B [GB], et al)
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.