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Extract from the Register of European Patents

EP About this file: EP0496773

EP0496773 - AQUEOUS DISPERSIONS CONTAINING CARBOXYLIC AND/OR RESIN ACIDS FOR DE-INKING PRINTED WASTE PAPER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  02.03.1995
Database last updated on 19.10.2024
Most recent event   Tooltip23.12.1999Lapse of the patent in a contracting statepublished on 09.02.2000 [2000/06]
Applicant(s)For all designated states
Chemische Fabrik Grünau GmbH
Robert-Hansen-Strasse 1 Postfach 1063
D-89251 Illertissen / DE
[1992/32]
Inventor(s)01 / SMOLKA, Heinz-Gerd
Reichenberger Strasse 4
D-7918 Illertissen / DE
02 / LEHMANN, Klaus
Krautgarten 10
D-7918 Illertissen / DE
03 / HAWEL, Hans
Keltenweg 2
D-7917 Vöhringen / DE
04 / SCHRAML, Dieter
Komotauerstrasse 20
D-7918 Illertissen / DE
05 / HORNFECK, Klaus
August-Burberg-Strasse 34
D-4020 Mettmann / DE
[1992/32]
Representative(s)Wilk, Hans-Christoph
C/o Henkel KGaA
TTP/Patentabteilung
40191 Düsseldorf / DE
[N/P]
Former [1992/32]Wilk, Hans-Christof, Dr.
c/o Henkel KGaA TTP/Patentabteilung
D-40191 Düsseldorf / DE
Application number, filing date90915459.310.10.1990
[1992/32]
WO1990EP01698
Priority number, dateDE1989393488219.10.1989         Original published format: DE 3934882
[1992/32]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO9105906
Date:02.05.1991
Language:DE
[1991/10]
Type: A1 Application with search report 
No.:EP0496773
Date:05.08.1992
Language:DE
The application published by WIPO in one of the EPO official languages on 02.05.1991 takes the place of the publication of the European patent application.
[1992/32]
Type: B1 Patent specification 
No.:EP0496773
Date:27.04.1994
Language:DE
[1994/17]
Search report(s)International search report - published on:EP02.05.1991
ClassificationIPC:D21C5/02
[1992/32]
CPC:
D21C5/027 (EP); Y02W30/64 (EP)
Designated contracting statesAT,   CH,   DE,   FR,   GB,   GR,   LI,   LU,   SE [1994/02]
Former [1992/32]AT,  BE,  CH,  DE,  DK,  ES,  FR,  GB,  GR,  IT,  LI,  LU,  NL,  SE 
TitleGerman:WÄSSRIGE, CARBONSÄUREN UND/ODER HARZSÄUREN ENTHALTENDE DISPERSIONEN ZUM DEINKEN VON BEDRUCKTEN ALTPAPIEREN[1992/32]
English:AQUEOUS DISPERSIONS CONTAINING CARBOXYLIC AND/OR RESIN ACIDS FOR DE-INKING PRINTED WASTE PAPER[1992/32]
French:DISPERSIONS AQUEUSES A TENEUR EN ACIDES CARBOXYLIQUES ET/OU EN ACIDES RESINEUX POUR LE DESENCRAGE DE VIEUX PAPIERS IMPRIMES[1992/32]
Entry into regional phase10.04.1992National basic fee paid 
10.04.1992Designation fee(s) paid 
10.04.1992Examination fee paid 
Examination procedure09.02.1991Request for preliminary examination filed
International Preliminary Examining Authority: DE
10.04.1992Examination requested  [1992/32]
08.09.1992Despatch of a communication from the examining division (Time limit: M04)
07.01.1993Reply to a communication from the examining division
23.06.1993Despatch of communication of intention to grant (Approval: Yes)
27.10.1993Communication of intention to grant the patent
22.01.1994Fee for grant paid
22.01.1994Fee for publishing/printing paid
Opposition(s)28.01.1995No opposition filed within time limit [1995/16]
Fees paidRenewal fee
29.09.1992Renewal fee patent year 03
22.09.1993Renewal fee patent year 04
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competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
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  TooltipGR27.04.1994
LU31.10.1994
[2000/04]
Cited inInternational search[A]DE1517172  (DEGUSSA);
 [A]EP0067333  (AKZO GMBH [DE]);
 [A]EP0256354  (HENKEL KGAA [DE]);
 [A]EP0307024  (AKZO NV [NL])
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.