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Extract from the Register of European Patents

EP About this file: EP0225491

EP0225491 - Tanning agent and method for its manufacture [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  28.06.1990
Database last updated on 15.06.2024
Most recent event   Tooltip01.02.1991Lapse of the patent in a contracting state
New state(s): BE
published on 20.03.1991 [1991/12]
Applicant(s)For all designated states
CASSELLA Aktiengesellschaft
Hanauer Landstrasse 526
D-60386 Frankfurt / DE
[1987/25]
Inventor(s)01 / Riegel, Ulrich
Steinäckerstrasse 6
D-6000 Frankfurt am Main 61 / DE
02 / Engelhardt, Fritz, Dr.
Hünfelder Strasse 20
D-6000 Frankfurt am Main 61 / DE
03 / Reh, Kuno, Dr.
Lauterbacher Strasse 14
D-6000 Frankfurt am Main 61 / DE
04 / Croon, Helmut, Dr.
Nordring 97
D-6000 Frankfurt am Main 61 / DE
05 / Becker, Hermann
Mühlstrasse 6
D-6054 Jügesheim b. Offenbach / DE
06 / Lotz, Werner, Dr.
Rossertblick 16
D-6272 Niedernhausen / DE
[1987/25]
Representative(s)Urbach, Hans-Georg, et al
Hanauer Landstrasse 526
60386 Frankfurt / DE
[N/P]
Former [1987/25]Urbach, Hans-Georg, Dr., et al
Hanauer Landstrasse 526
D-60386 Frankfurt / DE
Application number, filing date86115504.208.11.1986
[1987/25]
Priority number, dateDE1985354021113.11.1985         Original published format: DE 3540211
[1987/25]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0225491
Date:16.06.1987
Language:DE
[1987/25]
Type: A3 Search report 
No.:EP0225491
Date:11.11.1987
Language:DE
[1987/46]
Type: B1 Patent specification 
No.:EP0225491
Date:06.09.1989
Language:DE
[1989/36]
Search report(s)(Supplementary) European search report - dispatched on:EP22.09.1987
ClassificationIPC:C14C3/08
[1987/25]
CPC:
C14C3/08 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   IT,   LI,   NL [1987/25]
TitleGerman:Gerbstoff und Verfahren zu seiner Herstellung[1987/25]
English:Tanning agent and method for its manufacture[1987/25]
French:Tanit et son procédé de fabrication[1987/25]
Examination procedure14.04.1988Examination requested  [1988/24]
21.11.1988Despatch of communication of intention to grant (Approval: Yes)
01.03.1989Communication of intention to grant the patent
23.05.1989Fee for grant paid
23.05.1989Fee for publishing/printing paid
Opposition(s)06.06.1990No opposition filed within time limit [1990/33]
Fees paidRenewal fee
11.11.1988Renewal fee patent year 03
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Lapses during opposition  TooltipBE06.09.1989
GB06.09.1989
CH30.11.1989
LI30.11.1989
[1991/12]
Former [1990/46]GB06.09.1989
CH30.11.1989
LI30.11.1989
Former [1990/42]GB06.09.1989
Documents cited:Search[A]DE918779  (ROEHM & HAAS GMBH);
 [A]GB777474  (ST LAWRENCE CORP LTD)
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.