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Extract from the Register of European Patents

EP About this file: EP0090475

EP0090475 - Mesophase pitch having ellipsoidal molecules and method for making the pitch [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  20.01.1987
Database last updated on 31.05.2024
Most recent event   Tooltip20.01.1987No opposition filed within time limitpublished on 11.03.1987 [1987/11]
Applicant(s)For all designated states
UNION CARBIDE CORPORATION
39 Old Ridgebury Road Danbury
Connecticut 06817 / US
[N/P]
Former [1983/40]For all designated states
UNION CARBIDE CORPORATION
39 Old Ridgebury Road
Danbury Connecticut 06817 / US
Inventor(s)01 / Lewis, Irwin Charles
17100 Valley Creek Drive
Strongville Ohio / US
[1983/40]
Representative(s)van der Beek, George F., et al
Nederlandsch Octrooibureau Scheveningseweg 82 P.O. Box 29720
NL-2502 LS 's-Gravenhage / NL
[N/P]
Former [1983/40]van der Beek, George Frans, et al
Nederlandsch Octrooibureau Scheveningseweg 82 P.O. Box 29720
NL-2502 LS 's-Gravenhage / NL
Application number, filing date83200448.529.03.1983
[1983/40]
Priority number, dateUS1982036355730.03.1982         Original published format: US 363557
[1983/40]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0090475
Date:05.10.1983
Language:EN
[1983/40]
Type: B1 Patent specification 
No.:EP0090475
Date:19.03.1986
Language:EN
[1986/12]
Search report(s)(Supplementary) European search report - dispatched on:EP14.06.1983
ClassificationIPC:C10C3/00
[1983/40]
CPC:
D01F9/145 (EP,US); C10C3/00 (EP,US)
Designated contracting statesDE,   FR,   GB,   IT,   NL [1983/40]
TitleGerman:Mesophasepech mit elliptischen Molekülen und Verfahren zur Herstellung[1983/40]
English:Mesophase pitch having ellipsoidal molecules and method for making the pitch[1983/40]
French:Brai mésophase ayant des molécules elliptiques et procédé pour le produire[1983/40]
Examination procedure10.10.1983Examination requested  [1983/51]
13.08.1984Despatch of a communication from the examining division (Time limit: M04)
06.12.1984Reply to a communication from the examining division
09.05.1985Despatch of communication of intention to grant (Approval: )
22.08.1985Communication of intention to grant the patent
12.11.1985Fee for grant paid
12.11.1985Fee for publishing/printing paid
Opposition(s)20.12.1986No opposition filed within time limit [1987/11]
Fees paidRenewal fee
07.12.1984Renewal fee patent year 03
02.01.1986Renewal 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]US3574653  (EDSTROM THEODORE, et al);
 [A]DE2818528  (FITZER ERICH PROF DR);
 [A]EP0016661  (EXXON RESEARCH ENGINEERING CO [US]);
 [AD]US4317809  (LEWIS IRWIN C, et al)
 [AD]  - JOURNAL OF ORGANIC CHEMISTRY, vol. 29, January 1964, pages 100-103, American Chemical Society, Easton, P.A., USA
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.