EP0308950 - Shrinkage-reducing agent for cement [Right-click to bookmark this link] | Status | Patent revoked Status updated on 24.08.1995 Database last updated on 03.09.2024 | Most recent event Tooltip | 17.04.2015 | Change - lapse in a contracting state | published on 20.05.2015 [2015/21] | Applicant(s) | For all designated states Wacker-Chemie GmbH Hanns-Seidel-Platz 4 D-81737 München / DE | [N/P] |
Former [1992/09] | For all designated states WACKER-CHEMIE GMBH Hanns-Seidel-Platz 4 D-81737 München / DE | ||
Former [1989/13] | For all designated states Wacker-Chemie GmbH Hanns-Seidel-Platz 4 D-81737 München / DE | Inventor(s) | 01 /
Schulze, Joachim, Dr. Rudolf-Diesel-Strasse 2 D-8263 Burghausen / DE | 02 /
Baumgartl, Horst Bergstrasse 1 D-8347 Kirchdorf / DE | [1989/13] | Application number, filing date | 88115639.2 | 23.09.1988 | [1989/13] | Priority number, date | DE19873732114 | 24.09.1987 Original published format: DE 3732114 | [1989/13] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0308950 | Date: | 29.03.1989 | Language: | DE | [1989/13] | Type: | B1 Patent specification | No.: | EP0308950 | Date: | 17.03.1993 | Language: | DE | [1993/11] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.02.1989 | Classification | IPC: | C04B24/02 | [1989/13] | CPC: |
C04B24/02 (EP);
C04B2111/34 (EP)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, NL, SE [1989/13] | Title | German: | Mittel zur Reduzierung des Schwundmasses von Zement | [1989/13] | English: | Shrinkage-reducing agent for cement | [1989/13] | French: | Agent réducteur de la contraction du ciment | [1989/13] | Examination procedure | 23.09.1988 | Examination requested [1989/13] | 13.03.1991 | Despatch of a communication from the examining division (Time limit: M04) | 04.07.1991 | Reply to a communication from the examining division | 06.09.1991 | Despatch of a communication from the examining division (Time limit: M04) | 22.11.1991 | Reply to a communication from the examining division | 19.12.1991 | Despatch of a communication from the examining division (Time limit: M04) | 13.03.1992 | Reply to a communication from the examining division | 18.05.1992 | Despatch of communication of intention to grant (Approval: Yes) | 10.09.1992 | Communication of intention to grant the patent | 24.09.1992 | Fee for grant paid | 24.09.1992 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
13.12.1993
10.01.1994
ADMISSIBLE Rohm and Haas Company Independence Mall West Philadelphia, PA 19105 / US Opponent's representative Angell, David Whilton ROHM AND HAAS (UK) LTD. European Operations Patent Department Lennig House 2 Mason's Avenue Croydon CR9 3NB / GB | [N/P] |
Former [1994/06] | |||
Opponent(s) | 01
13.12.1993
10.01.1994
ADMISSIBLE Rohm and Haas Company Independence Mall West Philadelphia, PA 19105 / US Opponent's representative Angell, David Whilton ROHM AND HAAS (UK) LTD. European Operations Patent Department Lennig House 2 Mason's Avenue Croydon, Surrey, CR9 3NB / GB | 20.01.1994 | Invitation to proprietor to file observations on the notice of opposition | 01.09.1994 | Reply of patent proprietor to notice(s) of opposition | 04.11.1994 | Despatch of a communication from the opposition division (Time limit: M04) | 08.05.1995 | Despatch of communication that the patent will be revoked | 18.05.1995 | Legal effect of revocation of patent [1995/41] | Fees paid | Renewal fee | 17.09.1990 | Renewal fee patent year 03 | 16.09.1991 | Renewal fee patent year 04 | 17.09.1992 | 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 | AT | 23.09.1994 | GB | 23.09.1994 | ES | 24.09.1994 | SE | 24.09.1994 | BE | 30.09.1994 | CH | 30.09.1994 | LI | 30.09.1994 | NL | 01.04.1995 | [2015/21] |
Former [2004/38] | AT | 23.09.1994 | |
GB | 23.09.1994 | ||
ES | 24.09.1994 | ||
SE | 24.09.1994 | ||
BE | 30.09.1994 | ||
CH | 30.09.1994 | ||
LI | 30.09.1994 | ||
NL | 01.04.1995 | ||
Former [1996/03] | AT | 23.09.1994 | |
GB | 23.09.1994 | ||
SE | 24.09.1994 | ||
BE | 30.09.1994 | ||
CH | 30.09.1994 | ||
LI | 30.09.1994 | ||
NL | 01.04.1995 | ||
Former [1995/49] | AT | 23.09.1994 | |
GB | 23.09.1994 | ||
BE | 30.09.1994 | ||
CH | 30.09.1994 | ||
LI | 30.09.1994 | ||
NL | 01.04.1995 | ||
Former [1995/44] | AT | 23.09.1994 | |
GB | 23.09.1994 | ||
BE | 30.09.1994 | ||
CH | 30.09.1994 | ||
LI | 30.09.1994 | ||
Former [1995/42] | AT | 23.09.1994 | |
BE | 30.09.1994 | ||
CH | 30.09.1994 | ||
LI | 30.09.1994 | ||
Former [1995/40] | AT | 23.09.1994 | |
CH | 30.09.1994 | ||
LI | 30.09.1994 | ||
Former [1995/40] | AT | 23.09.1994 | |
CH | 30.09.1994 | ||
LI | 30.09.1994 | ||
Former [1995/32] | CH | 30.09.1994 | |
LI | 30.09.1994 | Documents cited: | Search | [Y]JP48043014 ; | [A]JP59128240 ; | [A]JP59131552 ; | [A]US1975485 (ALBERT SOMMER); | [A]US2364555 (SCRIPTURE JR EDWARD W); | [A]US2593008 (CHAPPELL JR FRED L); | [Y]FR2537458 (TEROSON GMBH [DE]) | [Y] - CHEMICAL ABSTRACTS, Band 79, Nr. 8, 22 Oktober 1974, Seite 275, Ref.Nr. 96272y, Columbus, Ohio, US; & JP-A-48 043 014 (KOKAI K.K.) 22-06-1973, & JP48043014 A 00000000 | [A] - CHEMICAL ABSTRACTS, Band 101, Nr. 20, November 1984, Seite 317, Ref.Nr. 176465y, Columbus, Ohio, US; & JP-A-59 128 240 (KOKAI TOKKYO KOHO) 24-07-1984, & JP59128240 A 00000000 | [A] - CHEMICAL ABSTRACTS, Band 101, Nr. 26, Dezember 1984, Seite 250, Ref.Nr. 234683f, Columbus, Ohio, US; & JP-A-59 131 552 (KOKAI TOKKYO KOHO) 28-07-1984, & JP59131552 A 00000000 |