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Extract from the Register of European Patents

EP About this file: EP0242949

EP0242949 - Compositions of aromatic polybenzimidazoles and aromatic polyimides or aromatic polyetherimides [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  16.07.1992
Database last updated on 13.04.2024
Most recent event   Tooltip16.07.1992No opposition filed within time limitpublished on 02.09.1992 [1992/36]
Applicant(s)For all designated states
HOECHST CELANESE CORPORATION
13800 South Lake Drive
Charlotte, North Carolina 28273 / US
For all designated states
Williams, David
1050 Bay Road Amherst
Massachusetts / US
For all designated states
Leung, Louis
8D, 2nd. Floor Wang Fung Tr., Tai Hang Road
Hong Kong / HK
For all designated states
Karasz, Frank E.
85, Lessey Street Amherst
Massachusetts / US
For all designated states
Macknight, William
127 Sunset Avenue Amherst
Massachusetts / US
[N/P]
Former [1990/43]For all designated states
HOECHST CELANESE CORPORATION
1211 Avenue of the Americas
New York, New York 10036 / US
For all designated states
Williams, David
1050 Bay Road
Amherst Massachusetts / US
For all designated states
Leung, Louis
8D, 2nd. Floor Wang Fung Tr., Tai Hang Road
Hong Kong / HK
For all designated states
Karasz, Frank E.
85, Lessey Street
Amherst Massachusetts / US
For all designated states
Macknight, William
127 Sunset Avenue
Amherst Massachusetts / US
Former [1987/44]For all designated states
CELANESE CORPORATION
1211 Avenue of the Americas
New York New York 10036 / US
For all designated states
Williams, David
1050 Bay Road
Amherst Massachusetts / US
For all designated states
Leung, Louis
8D, 2nd. Floor Wang Fung Tr., Tai Hang Road
Hong Kong / HK
For all designated states
Karasz, Frank E.
85, Lessey Street
Amherst Massachusetts / US
For all designated states
Macknight, William
127 Sunset Avenue
Amherst Massachusetts / US
Inventor(s)01 / Williams, David J.
1050 Bay Road
Amherst Massachusetts / US
02 / Leung, Louis
8D, 2nd Floor Wang Fung Tr. Tai Hang Road
Hong Kong / HK
03 / Karasz, Frank E.
85 Lessey Street
Amherst Massachusetts / US
04 / MacKnight, William
127 Sunset Avenue
Amherst Massachusetts / US
05 / Jaffe, Michael
215 Wyoming Avenue
Maplewood New Jersey / US
[1987/44]
Representative(s)De Minvielle-Devaux, Ian Benedict Peter, et al
CARPMAELS & RANSFORD 43, Bloomsbury Square
London WC1A 2RA / GB
[1987/44]
Application number, filing date87301367.617.02.1987
[1987/44]
Priority number, dateUS1986083138519.02.1986         Original published format: US 831385
US1986083138919.02.1986         Original published format: US 831389
[1987/44]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0242949
Date:28.10.1987
Language:EN
[1987/44]
Type: B1 Patent specification 
No.:EP0242949
Date:11.09.1991
Language:EN
[1991/37]
Search report(s)(Supplementary) European search report - dispatched on:EP30.06.1987
ClassificationIPC:C08L79/08, C08L79/04, C08J5/18
[1987/44]
CPC:
C08L79/04 (EP); C08L79/08 (EP)
Designated contracting statesDE,   FR,   GB [1987/44]
TitleGerman:Massen aus aromatischen Polybenzimidazolen und aromatischen Polyimiden oder aromatischen Polyätherimiden[1987/44]
English:Compositions of aromatic polybenzimidazoles and aromatic polyimides or aromatic polyetherimides[1987/44]
French:Compositions de polybenzimidazoles aromatiques et de polyimides aromatiques ou de polyétherimides aromatiques[1987/44]
Examination procedure07.04.1988Examination requested  [1988/23]
08.02.1990Despatch of a communication from the examining division (Time limit: M04)
08.06.1990Reply to a communication from the examining division
29.11.1990Despatch of communication of intention to grant (Approval: Yes)
13.03.1991Communication of intention to grant the patent
16.04.1991Fee for grant paid
16.04.1991Fee for publishing/printing paid
Opposition(s)12.06.1992No opposition filed within time limit [1992/36]
Fees paidRenewal fee
07.01.1989Renewal fee patent year 03
04.01.1990Renewal fee patent year 04
20.12.1990Renewal fee patent year 05
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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.
Lapses during opposition  TooltipFR31.01.1992
[1992/34]
Documents cited:SearchGB1237004  [ ];
 GB1226711  [ ]
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.