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Extract from the Register of European Patents

EP About this file: EP0281645

EP0281645 - Antimicrobial cation exchange composition [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.03.1991
Database last updated on 19.10.2024
Most recent event   Tooltip14.03.1991No opposition filed within time limitpublished on 02.05.1991 [1991/18]
Applicant(s)For all designated states
THE DOW CHEMICAL COMPANY
2030 Dow Center
Midland, Michigan 48674 / US
[N/P]
Former [1990/19]For all designated states
THE DOW CHEMICAL COMPANY
2030 Dow Center, Abbott Road
Midland, Michigan 48640 / US
Former [1988/37]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 / Relenyi, Attila Gabor
516 Bark Lane
Midland Michigan 48640 / US
[1988/37]
Representative(s)Weickmann, Heinrich, et al
Weickmann & Weickmann Patentanwälte Postfach 86 08 20
81635 München / DE
[N/P]
Former [1988/37]Weickmann, Heinrich, Dipl.-Ing., et al
Patentanwälte H. Weickmann, Dr. K. Fincke F.A. Weickmann, B. Huber Dr. H. Liska, Dr. J. Prechtel, Dr. B. Böhm Postfach 86 08 20
D-81635 München / DE
Application number, filing date87103355.109.03.1987
[1988/37]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0281645
Date:14.09.1988
Language:EN
[1988/37]
Type: B1 Patent specification 
No.:EP0281645
Date:16.05.1990
Language:EN
[1990/20]
Search report(s)(Supplementary) European search report - dispatched on:EP16.11.1987
ClassificationIPC:B01J39/04, A61L2/16, A01N37/34, C02F1/50
[1988/37]
CPC:
B01J39/20 (EP,US); A01N37/30 (EP,US); A01N37/34 (EP,US);
A61L2/16 (EP,US); B01J39/05 (EP,US)
C-Set:
A01N37/30, A01N2300/00 (US,EP);
A01N37/30, A01N25/10 (US,EP);
A01N37/34, A01N2300/00 (US,EP);
A01N37/34, A01N25/10 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   NL,   SE [1988/37]
TitleGerman:Antimikrobielle Kationenaustauscherzusammensetzung[1988/37]
English:Antimicrobial cation exchange composition[1988/37]
French:Composition antimicrobienne échangeuse de cations[1988/37]
Examination procedure09.03.1987Examination requested  [1988/37]
14.07.1989Despatch of communication of intention to grant (Approval: Yes)
06.10.1989Communication of intention to grant the patent
20.12.1989Fee for grant paid
20.12.1989Fee for publishing/printing paid
Opposition(s)19.02.1991No opposition filed within time limit [1991/18]
Fees paidRenewal fee
12.12.1988Renewal fee patent year 03
12.12.1989Renewal fee patent year 04
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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.
Documents cited:Search[A]US2977313  (ROLAND CHARLES T);
 [A]DE1517512  (BUDENHEIM RUD A OETKER CHEMIE);
 [A]GB1342804  (DOW CHEMICAL CO);
 [A]CA958912  (BLAND RICHARD, et al);
 [A]DE3124433  (HUETTINGER KLAUS J PROF DR ING [DE]);
 [A]US4382862  (DILLMAN TERRY R);
 [E]US4661344  (RELENYI ATTILA G [US])
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.