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Extract from the Register of European Patents

EP About this file: EP0735999

EP0735999 - A METHOD OF CLEAVING ARYLETHERS [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  13.03.1998
Database last updated on 26.06.2024
Most recent event   Tooltip13.03.1998Application deemed to be withdrawnpublished on 29.04.1998 [1998/18]
Applicant(s)For all designated states
THE DOW CHEMICAL COMPANY
2030 Dow Center
Midland, Michigan 48674 / US
[1997/48]
Former [1996/41]For all designated states
THE DOW CHEMICAL COMPANY
2030 Dow Center, Abbott Road
Midland, Michigan 48640 / US
Inventor(s)01 / LYSENKO, Zenon
214 West Meadowbrook Drive
Midland, MI 48640 / US
02 / PEWS, Richard, Garth
4403 Andre Street
Midland, MI 48640 / US
[1996/41]
Representative(s)Fleischer, Holm Herbert
polypatent
Postfach 40 02 43
51410 Bergisch Gladbach / DE
[N/P]
Former [1996/41]Fleischer, Holm Herbert
Patentanwälte Dr. Michael Hann, Dr. Hans-Günther Sternagel, Dr. Hans Dörries, Sander Aue 30
51465 Bergisch Gladbach / DE
Application number, filing date95902595.815.11.1994
[1996/41]
WO1994US13313
Priority number, dateUS1993017345123.12.1993         Original published format: US 173451
[1996/41]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9517372
Date:29.06.1995
Language:EN
[1995/27]
Type: A1 Application with search report 
No.:EP0735999
Date:09.10.1996
Language:EN
The application published by WIPO in one of the EPO official languages on 29.06.1995 takes the place of the publication of the European patent application.
[1996/41]
Search report(s)International search report - published on:EP29.06.1995
ClassificationIPC:C07C201/12, C07C213/02, C07C37/055, C07C205/23, C07C215/80
[1996/41]
CPC:
C07C201/12 (EP,US); C07C213/02 (EP,US); C07C213/10 (EP,US)
C-Set:
C07C201/12, C07C205/23 (US,EP);
C07C201/12, C07C205/37 (US,EP);
C07C201/12, C07C205/38 (EP,US);
C07C213/02, C07C215/80 (EP,US);
C07C213/10, C07C215/80 (US,EP)
(-)
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL [1996/41]
TitleGerman:VERFAHREN ZUR SPALTUNG VON ARYLETHERN[1996/41]
English:A METHOD OF CLEAVING ARYLETHERS[1996/41]
French:PROCEDE DE CLIVAGE DES ARYLETHERS[1996/41]
Entry into regional phase04.07.1996National basic fee paid 
04.07.1996Designation fee(s) paid 
04.07.1996Examination fee paid 
Examination procedure25.05.1995Request for preliminary examination filed
International Preliminary Examining Authority: EP
04.07.1996Examination requested  [1996/41]
16.06.1997Despatch of a communication from the examining division (Time limit: M04)
28.10.1997Application deemed to be withdrawn, date of legal effect  [1998/18]
28.11.1997Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [1998/18]
Fees paidRenewal fee
02.09.1996Renewal fee patent year 03
27.08.1997Renewal fee patent year 04
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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.
Cited inInternational search[A]JPS62263165  ;
 [A]US3689580  (HALL DAVID W, et al) [A] 1-15 * column 3, line 7 - line 32; example III *;
 JPH02229143  [ ] (ASAHI CHEMICAL IND)
 [A]  - M. VIVEKANANDA BHATT, "Cleavage of ethers", SYNTHESIS, STUTTGART DE, (1889), pages 249 - 282 [A] 1,5,15 * page 251, column L, line 10 - page 252, column L *
 [AD]  - A. M. BERNARD ET AL., "Dealkylation of Activated Alkyl Aryl Ethers Using Lithium Chloride in Dimethylformamide", SYNTHESIS, STUTTGART DE, (1989), pages 287 - 289 [AD] 1,5 * the whole document *
 [A]  - K. KATO, K. KONDO, CHEMICAL ABSTRACTS, (19910401), vol. 114, no. 13, Database accession no. 121720r, page 733 [A] 15 * abstract *
 [A]  - DATABASE WPI, 0, Derwent World Patents Index, vol. 87, no. 51, Database accession no. 87-359762, & JPS62263165 A 19871116 (NIHON NOYAKU) [A] 1,5 * abstract *
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.