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Extract from the Register of European Patents

EP About this file: EP0024891

EP0024891 - Process for liberating metal ions from a water soluble glass at a controlled rate [Right-click to bookmark this link]
Former [1981/10]Water soluble glass and its use in controlled release of chemical species
[1988/16]
StatusNo opposition filed within time limit
Status updated on  16.02.1989
Database last updated on 06.11.2024
Most recent event   Tooltip22.04.1989Lapse of the patent in a contracting statepublished on 07.06.1989 [1989/23]
Applicant(s)For all designated states
International Standard Electric Corporation
320 Park Avenue New York
New York 10022 / US
[N/P]
Former [1981/10]For all designated states
International Standard Electric Corporation
320 Park Avenue
New York New York 10022 / US
Inventor(s)01 / Drake, Cyril Francis
1 Church Cottages Peldon Road
Harlow Essex / GB
[1981/10]
Representative(s)Capsey, Sydney Ross, et al
Standard Telephones and Cables Patent Department Edinburgh Way Harlow
Essex CM20 2SH / GB
[N/P]
Former [1984/07]Capsey, Sydney Ross, et al
Standard Telephones and Cables Patent Department Edinburgh Way
Harlow Essex CM20 2SH / GB
Former [1981/10]Capsey, Sydney Ross
ITT UK Patent Department Maidstone Road
Foots Cray Sidcup DA14 5HT / GB
Application number, filing date80302902.421.08.1980
[1981/10]
Priority number, dateGB1979003004130.08.1979         Original published format: GB 7930041
[1981/10]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0024891
Date:11.03.1981
Language:EN
[1981/10]
Type: B1 Patent specification 
No.:EP0024891
Date:20.04.1988
Language:EN
[1988/16]
Search report(s)(Supplementary) European search report - dispatched on:EP17.11.1980
ClassificationIPC:C03C3/16, A23K1/16, C12N1/38, A61K33/00, G04F13/00
[1981/10]
CPC:
A61K9/0068 (EP,US); A01N25/08 (EP,US); A23K20/26 (EP,US);
A23K20/28 (EP,US); A61K33/00 (EP,US); C03C3/16 (EP,US);
C12N1/38 (EP,US); G04F13/00 (EP,US); Y10S71/904 (EP,US) (-)
Designated contracting statesBE,   CH,   DE,   FR,   IT,   LI,   SE [1981/10]
TitleGerman:Verfahren zum kontrollierten Freisetzen von Metallionen aus einem wasserlöslichen Glas[1988/16]
English:Process for liberating metal ions from a water soluble glass at a controlled rate[1988/16]
French:Procédé de liberation contrôlée d'ions métalliques contenu dans un verre soluble dans l'eau[1988/16]
Former [1981/10]Wasserlösliches Glas und seine Verwendung bei der kontrollierten Auflösung chemischer Spezies
Former [1981/10]Water soluble glass and its use in controlled release of chemical species
Former [1981/10]Verre soluble dans l'eau et son application dans la dissolution contrôlée d'espèces chimiques
Examination procedure23.02.1981Examination requested  [1981/17]
21.10.1981Despatch of a communication from the examining division (Time limit: M04)
23.02.1982Reply to a communication from the examining division
25.05.1983Despatch of a communication from the examining division (Time limit: M04)
27.09.1983Reply to a communication from the examining division
02.10.1984Despatch of communication that the application is refused, reason: substantive examination {1}
06.04.1987Despatch of a communication from the examining division (Time limit: M04)
12.05.1987Reply to a communication from the examining division
17.09.1987Despatch of communication of intention to grant (Approval: Yes)
09.10.1987Communication of intention to grant the patent
08.01.1988Fee for grant paid
08.01.1988Fee for publishing/printing paid
Appeal following examination05.12.1984Appeal received No.  T0071/85
01.02.1985Statement of grounds filed
16.01.1986Invitation to file observations in an appeal (Time limit: M02) [1986/03]
17.03.1986Date of receipt of observations in an appeal [1986/12]
09.04.1986Invitation to file observations in an appeal (Time limit: [1986/15]) {1}
Opposition(s)21.01.1989No opposition filed within time limit [1989/14]
Fees paidRenewal fee
06.08.1982Renewal fee patent year 03
09.06.1983Renewal fee patent year 04
26.04.1984Renewal fee patent year 05
15.07.1985Renewal fee patent year 06
10.07.1986Renewal fee patent year 07
16.06.1987Renewal fee patent year 08
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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.
Lapses during opposition  TooltipSE30.04.1988
[1989/23]
Documents cited:SearchUS2920972  [ ] (YVES GODRON);
 FR2217281  [ ] (FERRO CORP [US]);
 US4028876  [ ] (DELATORRE JORGE M);
 GB1512637  [ ] (STANDARD TELEPHONES CABLES LTD);
 EP0013077  [ ] (INT STANDARD ELECTRIC CORP [US]);
 GB2081703  [ ] (STANDARD TELEPHONES CABLES LTD)
ExaminationUS3897236
    - Research Disclosure, no. 14240, February 1976: "Modified phosphate glass"
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.