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Extract from the Register of European Patents

EP About this file: EP0285764

EP0285764 - Device for controlling the amount of brine in the regeneration of ion exchangers [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  29.06.1991
Database last updated on 05.08.2024
Most recent event   Tooltip23.07.2004Lapse of the patent in a contracting state
New state(s): ES		published on 08.09.2004  [2004/37]
Applicant(s)For all designated states
CILLIT Wassertechnik GmbH & Co.
Bottwarbahnstrasse 70
D-7100 Heilbronn / DE
[N/P]
Former [1988/41]For all designated states
CILLIT WASSERTECHNIK GMBH & CO.
Bottwarbahnstrasse 70
D-7100 Heilbronn / DE
Inventor(s)01 / Seibel, Heinrich, Dipl.-Ing. (FH)
Eichbrunnenweg 10
D-7101 Hardthausen-Lampoldshausen / DE
02 / Weller, Horst
Lerchenstrasse 19
D-7101 Neckarsulm / DE
[1988/41]
Representative(s)Wolf, Eckhard
Pfiz/Gauss Patentanwälte PartmbB
Tübinger Strasse 26
70178 Stuttgart / DE
[N/P]
Former [1988/41]Wolf, Eckhard, Dr.-Ing.
Patentanwälte Wolf & Lutz Hauptmannsreute 93
W-7000 Stuttgart 1 / DE
Application number, filing date88101747.906.02.1988
[1988/41]
Priority number, dateDE1987370866917.03.1987         Original published format: DE 3708669
[1988/41]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0285764
Date:12.10.1988
Language:DE
[1988/41]
Type: B1 Patent specification 
No.:EP0285764
Date:29.08.1990
Language:DE
[1990/35]
Search report(s)(Supplementary) European search report - dispatched on:EP17.08.1988
ClassificationIPC:B01J49/00
[1988/41]
CPC:
B01J49/75 (EP)
Designated contracting statesAT,   DE,   ES,   FR,   GB,   IT [1988/41]
TitleGerman:Vorrichtung zur Solemengeneinstellung bei der Regeneration von Ionenaustauschern[1988/41]
English:Device for controlling the amount of brine in the regeneration of ion exchangers[1988/41]
French:Installation pour déterminer la quantité de saumure dans la régénération d'échangeurs d'ions[1988/41]
Examination procedure05.01.1989Examination requested  [1989/10]
15.04.1989Despatch of a communication from the examining division (Time limit: M04)
15.06.1989Despatch of a communication from the examining division (Time limit: M04)
02.10.1989Reply to a communication from the examining division
25.10.1989Despatch of communication of intention to grant (Approval: Yes)
23.02.1990Communication of intention to grant the patent
30.03.1990Fee for grant paid
30.03.1990Fee for publishing/printing paid
Opposition(s)30.05.1991No opposition filed within time limit [1991/34]
Fees paidRenewal fee
24.02.1990Renewal fee patent year 03
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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  TooltipAT06.02.1991
ES07.02.1991
[2004/37]
Former [1992/29]AT06.02.1991
Documents cited:Search[A]DE2926746  (BRASWELL JOHN W);
 [X]US4421652  (HESKETT DON E [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.