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EP0516885
European procedure
Extract from the Register of European Patents
EP About this file: EP0516885
| EP0516885 - Styrene/acrylic-type polymers for use as surface sizing agents [Right-click to bookmark this link] | Status | Patent revoked Status updated on 29.11.2002 Database last updated on 28.02.2026 | Most recent event Tooltip | 05.10.2005 | Change: Appeal number | Applicant(s) | For all designated states BAYER CORPORATION 100 Bayer Road Pittsburgh, PA 15205-9741 / US | [N/P] |
| Former [2001/27] | For all designated states Bayer Corporation 100 Bayer Road Pittsburgh, PA 15205-9741 / US | ||
| Former [1996/12] | For all designated states CYTEC TECHNOLOGY CORP. 1105 North Market Street, Suite 1300 Wilmington, Delaware 19801 / US | ||
| Former [1995/03] | For all designated states CYTEC TECHNOLOGY CORP. 1105 North Market Street, Suite 1300 Wilmington, Delaware 19801 / US | ||
| Former [1992/50] | For all designated states AMERICAN CYANAMID COMPANY 1937 West Main Street P.O. Box 60 Stamford Connecticut 06904-0060 / US | Inventor(s) | 01 /
dePierne, Otto S. 4 Woodside Avenue Norwalk, Connecticut 06855 / US | 02 /
Dauplaise, David L. 76 Valleyview Court Norwalk, Connecticut 06851 / US | 03 /
Proverb, Robert J. Thaddeus Avenue Danbury, Connecticut 06811 / US | [1992/50] | Representative(s) | Allam, Peter Clerk, et al Lloyd Wise Commonwealth House, 1-19 New Oxford Street London WC1A 1LW / GB | [N/P] |
| Former [1997/19] | Allam, Peter Clerk, et al LLOYD WISE, TREGEAR & CO., Commonwealth House, 1-19 New Oxford Street London WC1A 1LW / GB | ||
| Former [1994/08] | Diehl, Hermann O. Th., Dr. Diehl, Glaeser, Hiltl & Partner Patentanwälte Postfach 19 03 65 D-80603 München / DE | ||
| Former [1993/50] | Diehl, Hermann O. Th., Dr. Diehl, Glaeser, Hiltl & Partner Postfach 19 03 65 D-80603 München / DE | ||
| Former [1992/50] | Wächtershäuser, Günter, Prof. Dr. Patentanwalt, Tal 29 D-80331 München / DE | Application number, filing date | 91121778.4 | 19.12.1991 | [1992/50] | Priority number, date | US19910651168 | 02.06.1991 Original published format: US 651168 | [1992/50] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0516885 | Date: | 09.12.1992 | Language: | EN | [1992/50] | Type: | B1 Patent specification | No.: | EP0516885 | Date: | 20.03.1996 | Language: | EN | [1996/12] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.06.1992 | Classification | IPC: | C08F212/08, C08F220/06, D21H19/56 | [1992/50] | CPC: |
D21H21/16 (EP,US);
C08F212/08 (KR);
C08F212/04 (EP,US);
C08F220/06 (EP,US);
D21H17/35 (EP,US);
D21H17/37 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, IT, LI, NL, SE [1992/50] | Title | German: | Styrol/Acrylat-Typ Polymere anwendbar als Oberflächen- Leimungsmittel | [1996/12] | English: | Styrene/acrylic-type polymers for use as surface sizing agents | [1992/50] | French: | Polymères de type styrène/acrylique comme agent d'encollage pour surfaces | [1992/50] |
| Former [1992/50] | Styrol/Acrylat-Typ Polymere anwendbar als Oberflache Leimungsmittel | Examination procedure | 17.03.1993 | Examination requested [1993/19] | 10.05.1994 | Despatch of a communication from the examining division (Time limit: M06) | 14.11.1994 | Reply to a communication from the examining division | 22.05.1995 | Despatch of communication of intention to grant (Approval: Yes) | 21.09.1995 | Communication of intention to grant the patent | 20.12.1995 | Fee for grant paid | 20.12.1995 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
11.12.1996
13.02.1997
ADMISSIBLE BK Giulini Chemie GmbH & Co. OHG Postfach 15 04 80 67029 Ludwigshafen / DE | 02
19.12.1996
13.02.1997
ADMISSIBLE THE DOW CHEMICAL COMPANY 2030 Abbott Road Dow Center Midland, Michigan 48640 / US Opponent's representative Raynor, John, et al, et al Beck Greener Fulwood House 12 Fulwood Place London WC1V 6HR / GB | [N/P] |
| Former [1998/17] | |||
| Opponent(s) | 01
11.12.1996
13.02.1997
ADMISSIBLE BK Giulini Chemie GmbH & Co. OHG Postfach 15 04 80 67029 Ludwigshafen / DE | ||
| 02
19.12.1996
13.02.1997
ADMISSIBLE THE DOW CHEMICAL COMPANY 2030 Abbott Road Dow Center Midland, Michigan 48640 / US Opponent's representative Raynor, John, et al, et al Beck Greener Fulwood House 12 Fulwood Place London WC1V 6HR / GB | |||
| Former [1997/09] | |||
| Opponent(s) | 01
11.12.1996
Giulini Chemie GmbH Postfach 15 04 80 D-67029 Ludwigshafen / DE | ||
| 02
19.12.1996
ADMISSIBLE THE DOW CHEMICAL COMPANY 2030 Abbott Road Dow Center Midland, Michigan 48640 / US Opponent's representative Raynor, John, et al, et al Beck Greener Fulwood House 12 Fulwood Place London WC1V 6HR / GB | |||
| Former [1997/06] | |||
| Opponent(s) | 01
11.12.1996
Giulini Chemie GmbH Postfach 15 04 80 D-67029 Ludwigshafen / DE | 18.02.1997 | Invitation to proprietor to file observations on the notice of opposition | 27.10.1997 | Despatch of a communication from the opposition division (Time limit: M06) | 27.10.1997 | Despatch of a communication from the opposition division (Time limit: M08) | 03.04.1998 | Reply to a communication from the opposition division | 30.06.1998 | Reply to a communication from the opposition division | 14.10.1999 | Date of oral proceedings | 10.11.1999 | Despatch of interlocutory decision in opposition | 10.11.1999 | Despatch of minutes of oral proceedings | 10.10.2002 | Legal effect of revocation of patent [2003/03] | 10.10.2002 | Despatch of communication that the patent will be revoked | Appeal following opposition | 07.01.2000 | Appeal received No. T0033/00 | 10.03.2000 | Statement of grounds filed | 10.10.2002 | Result of appeal procedure: revocation of the patent | 10.10.2002 | Date of oral proceedings | Fees paid | Renewal fee | 26.10.1993 | Renewal fee patent year 03 | 09.12.1994 | Renewal fee patent year 04 | 07.12.1995 | Renewal fee patent year 05 |
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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 Tooltip | DK | 19.12.2001 | [2003/45] |