EP0490681 - Additive composition for cement admixture [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.09.1995 Database last updated on 02.09.2024 | Most recent event Tooltip | 23.12.1999 | Lapse of the patent in a contracting state New state(s): GR, LU | published on 09.02.2000 [2000/06] | Applicant(s) | For all designated states W.R. GRACE & CO.-CONN. Grace Plaza, 1114 Avenue of the Americas New York, NY 10036 / US | [N/P] |
Former [1992/25] | For all designated states W.R. Grace & Co.-Conn. Grace Plaza, 1114 Avenue of the Americas New York, New York 10036 / US | Inventor(s) | 01 /
Koyata, Hideo 2-105, Sun Stage Ryokuen Toshi, 4-2-1, Ryokuen Izumi-ku, Yokohama-shi / JP | 02 /
Tsutsumi, Tomoyuki 285 Kasamacho, Sakae-ku Yokohama-shi, Kanagawen-ken / JP | [1992/25] | Representative(s) | Bentham, Stephen, et al J A Kemp 14 South Square Gray's Inn London WC1R 5JJ / GB | [N/P] |
Former [1992/25] | Bentham, Stephen, et al J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX / GB | Application number, filing date | 91311572.1 | 12.12.1991 | [1992/25] | Priority number, date | JP19900401749 | 12.12.1990 Original published format: JP 40174990 | [1992/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0490681 | Date: | 17.06.1992 | Language: | EN | [1992/25] | Type: | B1 Patent specification | No.: | EP0490681 | Date: | 30.11.1994 | Language: | EN | [1994/48] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.03.1992 | Classification | IPC: | C04B28/02, C04B24/26, // (C04B28/02, 24:06, 24:18, 24:26) | [1992/25] | CPC: |
C04B40/0039 (EP,US);
C04B24/28 (KR);
C04B24/04 (KR);
C04B24/2664 (EP,US);
C04B28/02 (EP,US);
C04B2103/40 (EP,US)
| C-Set: |
C04B28/02, C04B24/06, C04B24/18, C04B24/2664 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, NL, SE [1992/25] | Title | German: | Zusatzmittel für Zementzusammensetzung | [1992/25] | English: | Additive composition for cement admixture | [1992/25] | French: | Additif pour mélange de ciment | [1992/25] | Examination procedure | 04.12.1992 | Examination requested [1993/05] | 18.11.1993 | Despatch of communication of intention to grant (Approval: Yes) | 26.05.1994 | Communication of intention to grant the patent | 05.09.1994 | Fee for grant paid | 05.09.1994 | Fee for publishing/printing paid | Opposition(s) | 31.08.1995 | No opposition filed within time limit [1995/47] | Fees paid | Renewal fee | 13.12.1993 | Renewal fee patent year 03 |
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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 | 30.11.1994 | BE | 30.11.1994 | DK | 30.11.1994 | GR | 30.11.1994 | NL | 30.11.1994 | LU | 31.12.1994 | SE | 28.02.1995 | [2000/05] |
Former [1998/15] | AT | 30.11.1994 | |
BE | 30.11.1994 | ||
DK | 30.11.1994 | ||
NL | 30.11.1994 | ||
SE | 28.02.1995 | ||
Former [1996/03] | AT | 30.11.1994 | |
BE | 30.11.1994 | ||
NL | 30.11.1994 | ||
SE | 28.02.1995 | ||
Former [1995/41] | AT | 30.11.1994 | |
BE | 30.11.1994 | ||
NL | 30.11.1994 | ||
Former [1995/35] | AT | 30.11.1994 | |
NL | 30.11.1994 | ||
Former [1995/29] | AT | 30.11.1994 | Documents cited: | Search | [A]JP61205647 ; | [A]EP0291073 (NIPPON OILS & FATS CO LTD [JP]) | [Y] - CHEMICAL ABSTRACTS, vol. 102, no. 6, February 1985, Columbus, Ohio, US; abstract no. 50113J, page 270 ; | [Y] - CHEMICAL ABSTRACTS, vol. 106, no. 8, 23 February 1987, Columbus, Ohio, US; abstract no. 54900U, page 303 ; | [A] - CHEMICAL ABSTRACTS, vol. 109, no. 26, 26 December 1988, Columbus, Ohio, US; abstract no. 235926Q, page 315 ; | [A] - WORLD PATENTS INDEX LATEST Week 8643, Derwent Publications Ltd., London, GB; AN 86-281745 & JP-A-61 205 647 (NIPPON ZEON K.K.) 11 September 1986, & JP61205647 A 19860911 | [A] - CHEMICAL ABSTRACTS, vol. 107, no. 12, September 1987, Columbus, Ohio, US; abstract no. 101703Q, page 323 ; | Examination | JP59162163 | JP61205650 | JP63190747 | JP62091451 | - CHEMICAL ABSTRACTS, vol. 102, no. 6, February 1985, Columbus, Ohio, US; abstract no. 50113J, page 270 ; & JP-A-59162163, & JP59162163 A 00000000 | - CHEMICAL ABSTRACTS, vol. 106, no. 8, 23 February 1987, Columbus, Ohio, US; abstract no. 54900U, page 303 ; & JP-A-61205650, & JP61205650 A 19870223 | - CHEMICAL ABSTRACTS, vol. 109, no. 26, 26 December 1988, Columbus, Ohio, US; abstract no. 235926Q, page 315 ; & JP-A-63190747, & JP63190747 A 19881226 | - CHEMICAL ABSTRACTS, vol. 107, no. 12, September 1987, Columbus, Ohio, US; abstract no. 101703Q, page 323 ; & JP-A-62091451, & JP62091451 A 00000000 | by applicant | JPS54139929 | JPS6016851 | JPH01297411 |