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Extract from the Register of European Patents

EP About this file: EP0525038

EP0525038 - PROCESS FOR PREPARATION OF RESORCINOL BIS(DIHYDROXYETHYL)ETHER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  10.06.1995
Database last updated on 02.11.2024
Most recent event   Tooltip10.06.1995No opposition filed within time limitpublished on 02.08.1995 [1995/31]
Applicant(s)For all designated states
EASTMAN CHEMICAL COMPANY
100 North Eastman Road
Kingsport TN 37660 / US
[N/P]
Former [1994/30]For all designated states
EASTMAN CHEMICAL COMPANY
100 North Eastman Road
Kingsport, TN 37660 / US
Former [1993/05]For all designated states
EASTMAN KODAK COMPANY
343 State Street
Rochester, New York 14650-2201 / US
Inventor(s)01 / SUMMER, Charles, Edwan, Jr.
4613 Woodcliff Drive
Kingsport, TN 37664 / US
02 / HITCH, Brenda, Jo c/o EASTMAN KODAK COMPANY
343 State Street
Rochester, NY 14650-2201 / US
03 / BERNARD, Bobby, Lynn
Rt. 6, Box 208
Rogersville, TN 37857 / US
[1994/32]
Former [1993/05]01 / SUMMER, Charles, Edwan, Jr.
4613 Woodcliff Drive
Kingsport, TN 37664 / US
02 / HITCH, Brenda, Jo
530 Windsor Forest Drive
Kingsport, TN 37663 / US
03 / BERNARD, Bobby, Lynn
Rt. 6, Box 208
Rogersville, TN 37857 / US
Representative(s)Behrens, Dieter, et al
Wuesthoff & Wuesthoff
Patentanwälte PartG mbB
Schweigerstrasse 2
81541 München / DE
[N/P]
Former [1994/16]Behrens, Dieter, Dr.-Ing., et al
Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2
D-81541 München / DE
Former [1993/05]Buff, Michel
Kodak-Pathé Département des Brevets et Licences CRT Centre de Recherches et de Technologie Zone Industrielle
F-71102 Chalon sur Saône Cédex / FR
Application number, filing date91907957.403.04.1991
[1993/05]
WO1991US02242
Priority number, dateUS1990050912216.04.1990         Original published format: US 509122
[1993/05]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9116292
Date:31.10.1991
Language:EN
[1991/25]
Type: A1 Application with search report 
No.:EP0525038
Date:03.02.1993
Language:EN
The application published by WIPO in one of the EPO official languages on 31.10.1991 takes the place of the publication of the European patent application.
[1993/05]
Type: B1 Patent specification 
No.:EP0525038
Date:10.08.1994
Language:EN
[1994/32]
Search report(s)International search report - published on:EP31.10.1991
ClassificationIPC:C07C43/23, C07C41/16
[1993/05]
CPC:
C07C41/16 (EP); C07C43/23 (KR)
C-Set:
C07C41/16, C07C43/23 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1993/05]
TitleGerman:PROZESS ZUR DARSTELLUNG VON RESORCINOL BIS(HYDROXY-ETHYL) ETHER[1993/05]
English:PROCESS FOR PREPARATION OF RESORCINOL BIS(DIHYDROXYETHYL)ETHER[1993/05]
French:PROCEDE DE PREPARATION DE BIS(DIHYDROXYETHYL)ETHER DE RESORCINOL[1993/05]
Entry into regional phase29.10.1992National basic fee paid 
29.10.1992Designation fee(s) paid 
29.10.1992Examination fee paid 
Examination procedure08.11.1991Request for preliminary examination filed
International Preliminary Examining Authority: DE
29.10.1992Examination requested  [1993/05]
13.12.1993Despatch of communication of intention to grant (Approval: Yes)
11.02.1994Communication of intention to grant the patent
25.04.1994Fee for grant paid
25.04.1994Fee for publishing/printing paid
Opposition(s)11.05.1995No opposition filed within time limit [1995/31]
Fees paidRenewal fee
10.04.1993Renewal fee patent year 03
15.04.1994Renewal fee patent year 04
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Cited inInternational search[AP]JPH0296545  ;
 JPS541291  [ ] (LORRAINE CARBONE)
 [A]  - Journal of The American Chemical Society, volume 79, no. 3, 12 February 1957, American Chemical Society, E. Dyer et al.: "The preparation of polymeric and cyclic urethans and ureas from ethylene carbonate and amines", pages 672-675
 [A]  - Tetrahedron Letters, volume 29, no. 2, 1988, Pergamon Journals Ltd., (GB), M.C. Pirrung et al.: "Photochemical rearrangements of quinone monoketals. Synthesis of substituted cyclopentenones", pages 163-166
 [AP]  - PATENT ABSTRACTS OF JAPAN, (19900626), vol. 014, no. 294, Database accession no. (C - 732)<4237>, & JP02096545 A 19900409 (TAOKA CHEM. CO. LTD)
 [A]  - CHEMICAL ABSTRACTS, (19790604), vol. 90, no. 23, Database accession no. 1866567B, page 627
ExaminationJPS541291
    - CHEMICAL ABSTRACTS, (19790604), vol. 90, no. 23, Database accession no. 1866567B, page 627
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.