Extract from the Register of European Patents

EP About this file: EP0612771

EP0612771 - Aqueous dispersion of synthetic materials for the preparation of low emulsions paints, coatings and latex-based plasters [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  14.03.2003
Database last updated on 11.04.2026
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
Degussa GmbH
Bennigsenplatz 1
40474 Düsseldorf / DE
[N/P]
Former [2003/15]For all designated states
Degussa AG
Bennigsenplatz 1
40474 Düsseldorf / DE
Former [1999/41]For all designated states
Degussa-Hüls Aktiengesellschaft
60287 Frankfurt am Main / DE
Former [1994/35]For all designated states
HÜLS AKTIENGESELLSCHAFT
D-45764 Marl / DE
Inventor(s)01 / Hahn, Karl, Dr.
Kardenstrasse 28
D-45768 Marl / DE
02 / Dören, Klaus, Dr.
Leverkusener Strasse 14
D-45772 Marl / DE
[1994/35]
Representative(s)Olbricht, Gerhard, et al
Evonik Industries AG
Intellectual Property Management
Gebäude 1042A / PB 15
Paul-Baumann-Straße 1
45764 Marl / DE
[N/P]
Former [1999/01]Olbricht, Gerhard, Dr., et al
Hüls Infracor GmbH Gewerbliche Schutzrechte/PB 15
45764 Marl / DE
Application number, filing date93120353.317.12.1993
[1994/35]
Priority number, dateDE1993430456916.02.1993         Original published format: DE 4304569
[1994/35]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0612771
Date:31.08.1994
Language:DE
[1994/35]
Type: B1 Patent specification 
No.:EP0612771
Date:31.07.1996
Language:DE
[1996/31]
Search report(s)(Supplementary) European search report - dispatched on:EP18.03.1994
ClassificationIPC:C08F246/00, C08F230/08, C09D143/04
[1994/35]
CPC:
C09D143/04 (EP); C08F246/00 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   IT,   LI,   NL,   SE [1994/35]
TitleGerman:Wässrige Kunststoffdispersion zur Herstellung emissionsarmer Dispersionsfarben, Anstrichmittel und Kunststoffdispersionsputze[1994/35]
English:Aqueous dispersion of synthetic materials for the preparation of low emulsions paints, coatings and latex-based plasters[1994/35]
French:Dispersions aqueuses de matériaux plastiques pour la préparation de peintures en dispersion, enduits et plâtres à base de dispersions à faible dégagement de matières volatiles[1994/35]
Examination procedure23.04.1994Examination requested  [1994/35]
16.01.1996Despatch of communication of intention to grant (Approval: Yes)
31.01.1996Communication of intention to grant the patent
02.03.1996Fee for grant paid
02.03.1996Fee for publishing/printing paid
Opposition(s)Opponent(s)01  25.04.1997   
BASF Aktiengesellschaft
-Patentabteilung - C6- Carl-Bosch-Strasse 38
D-67056 Ludwigshafen / DE
Opponent's representative
Riedl, Peter, et al, et al
Patentanwälte
Reitstötter, Kinzebach & Partner
Postfach 86 06 49
81633 München / DE
 02  30.04.1997    WITHDRAWN
WACKER-CHEMIE GMBH
Hanns-Seidel-Platz 4
D-81737 München / DE
Opponent's representative
Schuderer, Michael, et al, et al
Wacker Chemie AG
Zentralbereich Patente, Marken und Lizenzen
Hanns-Seidel-Platz 4
81737 München / DE
 [N/P]
Former [1997/26]
Opponent(s)01  25.04.1997   
BASF Aktiengesellschaft, Ludwigshafen
-Patentabteilung - C6- Carl-Bosch-Strasse 38
D-67056 Ludwigshafen / DE
Opponent's representative
Riedl, Peter, et al, et al
Patentanwälte Reitstötter, Kinzebach & Partner Postfach 86 06 49
81633 München / DE
 02  30.04.1997    WITHDRAWN
WACKER-CHEMIE GMBH
Hanns-Seidel-Platz 4
D-81737 München / DE
Opponent's representative
Schuderer, Michael, et al, et al
Wacker Chemie AG Zentralbereich Patente, Marken und Lizenzen Hanns-Seidel-Platz 4
81737 München / DE
Former [1997/25]
Opponent(s)01  25.04.1997    ADMISSIBLE
BASF Aktiengesellschaft, Ludwigshafen
-Patentabteilung - C6- Carl-Bosch-Strasse 38
D-67056 Ludwigshafen / DE
Opponent's representative
Riedl, Peter, et al, et al
Patentanwälte Reitstötter, Kinzebach & Partner Postfach 86 06 49
81633 München / DE
10.07.1997Invitation to proprietor to file observations on the notice of opposition
14.11.1997Reply of patent proprietor to notice(s) of opposition
12.02.1998Despatch of a communication from the opposition division (Time limit: M04)
08.06.1998Reply to a communication from the opposition division
11.12.1998Date of oral proceedings
23.12.1998Despatch of a communication from the opposition division (Time limit: M02)
23.12.1998Despatch of minutes of oral proceedings
01.03.1999Reply to a communication from the opposition division
30.05.2000Date of oral proceedings
14.07.2000Despatch of minutes of oral proceedings
14.07.2000Date of despatch of rejection of opposition
18.02.2003Legal effect of rejection of opposition [2003/18]
Appeal following opposition21.09.2000Appeal received No.  T0950/00
24.11.2000Statement of grounds filed
18.02.2003Result of appeal procedure: appeal of the opponent was rejected
18.02.2003Date of oral proceedings
03.03.2003Minutes of the oral proceedings despatched
Fees paidRenewal fee
25.11.1995Renewal fee patent year 03
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Documents cited:Search[X] EP0401200  (HOFFENREICH LUDWIG & SOHN GMBH et al.) [X] 1-6 * claims 1,10 * * page 3, line 1 - page 3, line 15 *
 [DA] EP0327006  (HOECHST AG et al.) [DA]
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