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Extract from the Register of European Patents

EP About this file: EP0072971

EP0072971 - Process for producing zeolite agglomerates [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  13.12.1985
Database last updated on 11.09.2024
Most recent event   Tooltip15.05.1991Lapse of the patent in a contracting statepublished on 03.07.1991 [1991/27]
Applicant(s)For all designated states
Kali-Chemie Aktiengesellschaft
Hans-Böckler-Allee 20
D-30173 Hannover / DE
[1983/09]
Inventor(s)01 / Derleth, Helmut Dipl.-Chem., Dr.rer.nat.
Grosse Drakenburger Strasse 58
D-3070 Nienburg / DE
02 / Sauer, Günther
Prinzenstrasse 51
D-3070 Nienburg / DE
[1985/07]
Former [1983/09]01 / Derleth, Helmut Dr.-Chem., Dr.rer.nat.
Grosse Drakenburger Strasse 58
D-3070 Nienburg / DE
02 / Sauer, Günther
Prinzenstrasse 51
D-3070 Nienburg / DE
Representative(s)Lauer, Dieter
c/o Kali-Chemie Aktiengesellschaft
Hans-Böckler-Allee 20
30173 Hannover / DE
[N/P]
Former [1983/09]Lauer, Dieter, Dr.
c/o Kali-Chemie Aktiengesellschaft Hans-Böckler-Allee 20
D-30173 Hannover / DE
Application number, filing date82107276.611.08.1982
[1983/09]
Priority number, dateDE1981313331722.08.1981         Original published format: DE 3133317
[1983/09]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0072971
Date:02.03.1983
Language:DE
[1983/09]
Type: A3 Search report 
No.:EP0072971
Date:10.08.1983
Language:DE
[1983/32]
Type: B1 Patent specification 
No.:EP0072971
Date:13.02.1985
Language:DE
[1985/07]
Search report(s)(Supplementary) European search report - dispatched on:EP06.06.1983
ClassificationIPC:C01B33/28, B01J2/28
[1983/09]
CPC:
C11D3/128 (EP); B01J20/183 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1983/09]
TitleGerman:Verfahren zur Herstellung von Zeolith-Agglomeraten[1983/09]
English:Process for producing zeolite agglomerates[1983/09]
French:Procédé pour la production d'agglomérates de zéolithe[1983/09]
Examination procedure12.07.1983Examination requested  [1983/38]
01.06.1984Despatch of communication of intention to grant (Approval: )
24.07.1984Communication of intention to grant the patent
26.09.1984Fee for grant paid
26.09.1984Fee for publishing/printing paid
Opposition(s)14.11.1985No opposition filed within time limit [1986/07]
Fees paidRenewal fee
30.08.1984Renewal 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.
Documents cited:Search[A]DE2423895  (ATOMIC ENERGY AUTHORITY UK);
 [A]US3912713  (BOONSTRA DOUWE JOHANNES, et al);
 [YD]DE2736903  (COLGATE PALMOLIVE CO);
 [Y]US4260528  (FOX DANIEL J, 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.