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EP0339904
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EP About this file: EP0339904
| EP0339904 - Process for dispersing silicon carbide whiskers [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 04.12.1992 Database last updated on 14.11.2024 | Most recent event Tooltip | 04.12.1992 | Application deemed to be withdrawn | published on 27.01.1993 [1993/04] | Applicant(s) | For all designated states HOECHST CELANESE CORPORATION Route 202-206 North Somerville, N.J. 08876 / US | [1989/44] | Inventor(s) | 01 /
Sawyer, Linda C. 14 Sunset Drive Chatham New Jersey / US | [1989/44] | Representative(s) | De Minvielle-Devaux, Ian Benedict Peter, et al CARPMAELS & RANSFORD 43, Bloomsbury Square London WC1A 2RA / GB | [1989/44] | Application number, filing date | 89304055.0 | 24.04.1989 | [1989/44] | Priority number, date | US19880185676 | 25.04.1988 Original published format: US 185676 | [1989/44] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0339904 | Date: | 02.11.1989 | Language: | EN | [1989/44] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 30.08.1989 | Classification | IPC: | C04B35/80 | [1989/44] | CPC: |
C04B35/584 (EP,US);
C04B35/111 (EP,US);
C04B35/80 (EP,US)
| Designated contracting states | DE, FR, GB [1989/44] | Title | German: | Verfahren zum Dispergieren von Siliciumkarbid-Whiskern | [1989/44] | English: | Process for dispersing silicon carbide whiskers | [1989/44] | French: | Procédé pour la dispersion de whiskers de carbure de silicium | [1989/44] | File destroyed: | 12.06.1999 | Examination procedure | 10.04.1990 | Examination requested [1990/23] | 12.12.1991 | Despatch of a communication from the examining division (Time limit: M06) | 23.06.1992 | Application deemed to be withdrawn, date of legal effect [1993/04] | 12.08.1992 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1993/04] | Fees paid | Renewal fee | 09.04.1991 | Renewal fee patent year 03 | 05.05.1992 | Renewal fee patent year 04 | Penalty fee | Additional fee for renewal fee | 01.05.1992 | 04 M06 Fee paid on 05.05.1992 |
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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. | Documents cited: | Search | [A]EP0067584 (ATLANTIC RICHFIELD CO [US]); | [A]DE3409385 (SHIN NISSO KAKO CO LTD [JP]); | [AD]US4543345 (WEI GEORGE C [US]); | [AD]US4569886 (DIVECHA AMARNATH P [US], et al); | [AD]US4657877 (BECHER PAUL F [US], et al) |