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Extract from the Register of European Patents

EP About this file: EP0005302

EP0005302 - Impregnated porous granules with slow-release pore membranes, and process for the manufacture thereof [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  03.02.1984
Database last updated on 28.05.2024
Most recent event   Tooltip03.02.1984Opposition rejectedpublished on 04.04.1984 [1984/14]
Applicant(s)For all designated states
STAUFFER CHEMICAL COMPANY
Westport
Connecticut 06880 / US
[N/P]
Inventor(s)01 / Hahn, Alice Ulhee
164 Valley Hill Drive
Moraga California 94556 / US
02 / Rider, Richard Harold
1308 Norvell Street
El Cerrito California / US
03 / Scher, Herbert Benson
1028 Wickham Drive
Moraga California 94556 / US
04 / Hargrove, Garrard Lee
450 Dennis Drive
Vacaville California / US
[N/P]
Representative(s)Urbanus, Henricus Maria, et al
c/o Vereenigde Octrooibureaux Nieuwe Parklaan 107
2587 BP 's-Gravenhage / NL
[N/P]
Former [1981/47]Urbanus, Henricus Maria, Ir., et al
c/o Vereenigde Octrooibureaux Nieuwe Parklaan 107
NL-2587 BP 's-Gravenhage / NL
Application number, filing date79200211.502.05.1979
Priority number, dateUS1978090257204.05.1978         Original published format: US 902572
Filing languageEN
Procedural languageEN
PublicationType: A3 Search report
No.:EP0005302
Date:
Status:(deleted)
[N/P]
Type: A2 Application without search report 
No.:EP0005302
Date:14.11.1979
Language:EN
[N/P]
Type: B1 Patent specification 
No.:EP0005302
Date:25.11.1981
Language:EN
[1981/47]
Search report(s)(Supplementary) European search report - dispatched on:EP25.09.1979
ClassificationIPC:A01N25/12, C05G1/00, C08J5/00
[1981/47]
CPC:
B01J2/006 (EP,US); A01N25/26 (EP,US); C05G3/44 (EP,US);
Y10S428/905 (EP,US); Y10S428/907 (EP,US); Y10T428/2998 (EP,US)
Former IPC [1981/47]B01J2/00, A01N17/08, C05G1/00
Designated contracting statesBE,   CH,   DE,   FR,   GB,   IT,   NL 
TitleGerman:Imprägnierte poröse Granulate mit langsam abgebenden Porienmembranen und Verfahren zu ihrer Herstellung
English:Impregnated porous granules with slow-release pore membranes, and process for the manufacture thereof
French:Granules poreux imprégnés ayant des membranes de pores à libération lente et procédé pour leur fabrication
Examination procedure21.05.1980Examination requested  [1980/17]
18.02.1981Despatch of communication of intention to grant (Approval: )
26.05.1981Communication of intention to grant the patent
11.08.1981Fee for grant paid
11.08.1981Fee for publishing/printing paid
Opposition(s)Opponent(s)01  28.07.1982  20.08.1982  ADMISSIBLE
Enka AG
Enka-Haus Kasinostrasse Postfach 10 01 49
D-42001 Wuppertal / DE
 [N/P]
Former [1982/40]
Opponent(s)01  28.07.1982  20.08.1982  ADMISSIBLE
Enka AG
Enka-Haus Kasinostrasse Postfach 10 01 49
D-42001 Wuppertal / DE
15.09.1982Invitation to proprietor to file observations on the notice of opposition
12.01.1983Reply of patent proprietor to notice(s) of opposition
17.03.1983Communication of observations of patent proprietor (Time limit: M02)
13.05.1983Reply of parties involved to observations of patent proprietor
25.10.1983Date of despatch of rejection of opposition
04.11.1983Legal effect of rejection of opposition [1984/14]
Fees paidRenewal fee
26.05.1981Renewal fee patent year 03
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Documents cited:SearchGB1371179  [ ] (STAUFFER CHEMICAL CO);
 CH573212  [ ] (FELLER MARC RECH TECH ET ET SC)
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.