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Extract from the Register of European Patents

EP About this file: EP0083646

EP0083646 - SELF-INVERTING WATER-IN-OIL EMULSIONS OF WATER-SOLUBLE POLYMERS AND A PROCESS FOR PREPARING THE EMULSIONS [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  17.10.1989
Database last updated on 18.11.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
The Dow Chemical Company
2020 Dow Center
Midland, Michigan 48674 / US
[N/P]
Former [1983/29]For all designated states
THE DOW CHEMICAL COMPANY
2030 Dow Center Abbott Road P.O. Box 1967
Midland Michigan 48640-1967 / US
Inventor(s)01 / ADAWAY, Timothy James
2117 Lambros
Midland, MI 48640 / US
02 / FRAVEL, Harold Gerard, Jr.
511 Columbia Road
Midland, MI 48640 / US
03 / EASTERLY, James Pearn, Jr.
5038 Reinhardt Lane
Bay City, MI 48706 / US
[1983/29]
Representative(s)Smulders, Theodorus A.H.J., et al
Vereenigde Postbus 87930
2508 DH Den Haag / NL
[N/P]
Former [1989/15]Smulders, Theodorus A.H.J., Ir., et al
Vereenigde Octrooibureaux Nieuwe Parklaan 97
NL-2587 BN 's-Gravenhage / NL
Former [1983/29]Urbanus, Henricus Maria, Ir.
c/o Vereenigde Octrooibureaux Nieuwe Parklaan 107
NL-2587 BP 's-Gravenhage / NL
Application number, filing date82902569.114.07.1982
[1983/29]
WO1982US00953
Priority number, dateUS1981028429617.07.1981         Original published format: US 284296
[1983/29]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO8300337
Date:03.02.1983
[1983/04]
Type: A1 Application with search report 
No.:EP0083646
Date:20.07.1983
Language:EN
The application published by WIPO in one of the EPO official languages on 03.02.1983 takes the place of the publication of the European patent application.
[1983/29]
Search report(s)(Supplementary) European search report - dispatched on:EP07.02.1984
ClassificationIPC:C08J3/00, C08L29/04, C08K5/10, C08L33/00, C08F2/32, B65H17/08
[1983/29]
CPC:
C08F2/32 (EP,US); G21K1/10 (US); C08J3/09 (EP,US);
C09K8/584 (EP,US); C09K8/588 (EP,US); C08J2300/14 (EP,US)
Designated contracting statesAT,   DE,   GB,   NL [1983/29]
TitleGerman:SELBSTUMKEHRBARE WASSER-IN-OEL EMULSIONEN WASSERLÖSLICHER POLYMERE SOWIE VERFAHREN ZU DEREN HERSTELLUNG[1983/29]
English:SELF-INVERTING WATER-IN-OIL EMULSIONS OF WATER-SOLUBLE POLYMERS AND A PROCESS FOR PREPARING THE EMULSIONS[1983/29]
French:EMULSIONS D'EAU DANS DE L'HUILE A AUTO-INVERSION DE POLYMERES SOLUBLES DANS L'EAU ET PROCEDE DE PREPARATION DES EMULSIONS[1983/29]
File destroyed:13.07.1995
Entry into regional phase07.03.1983National basic fee paid 
07.03.1983Search fee paid 
07.03.1983Designation fee(s) paid 
07.03.1983Examination fee paid 
Examination procedure07.03.1983Examination requested  [1983/29]
23.07.1985Despatch of a communication from the examining division (Time limit: M06)
30.01.1986Reply to a communication from the examining division
02.06.1987Despatch of a communication from the examining division (Time limit: M04)
07.10.1987Reply to a communication from the examining division
22.06.1988Despatch of a communication from the examining division (Time limit: M04)
07.09.1988Reply to a communication from the examining division
30.12.1988Despatch of communication of intention to grant (Approval: )
22.06.1989Despatch of communication that the application is refused, reason: formalities examination [1989/49]
02.07.1989Application refused, date of legal effect [1989/49]
Fees paidRenewal fee
01.06.1984Renewal fee patent year 03
07.06.1985Renewal fee patent year 04
07.06.1986Renewal fee patent year 05
15.06.1987Renewal fee patent year 06
13.06.1988Renewal fee patent year 07
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Documents cited:Search[X]DE1645659  (WILL GUENTHER DR);
 [X]US3734867  (WILL G)
International search[X]US3806485  (FRISQUE A);
 [A]US3979349  (FINK HERBERT, et al);
 [A]US4022731  (SCHMITT JOSEPH MICHAEL);
 [A]US4152307  (NODA KIMIHIKO [JP], 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.