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EP0543135
European procedure
Extract from the Register of European Patents
EP About this file: EP0543135
| EP0543135 - Selective white liquor oxidation [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.11.2000 Database last updated on 30.04.2025 | Most recent event Tooltip | 06.08.2004 | Lapse of the patent in a contracting state New state(s): LU | published on 22.09.2004 [2004/39] | Applicant(s) | For all designated states AIR PRODUCTS AND CHEMICALS, INC. 7201 Hamilton Boulevard Allentown, PA 18195-1501 / US | [1993/21] | Inventor(s) | 01 /
Magnotta, Vincent Louis 5321 Celia Drive Wescosville, PA 18106 / US | 02 /
Naddeo, Ronald Charles Mountain School, R.D. No.2 Kempton, PA 19529 / US | 03 /
Ayala, Varin 101 Race Street, Apt, No.110 Catasauqua, Pa 18032 / US | 04 /
Cirucci, John Frederick 2027 Girard Avenue Allentown, PA 18104 / US | 05 /
Fox, Virgil Grant 4102 Kilmer Avenue Allentown, PA 18104 / US | [1993/21] | Representative(s) | Kador & Partner Part mbB Corneliusstraße 15 80469 München / DE | [N/P] |
| Former [1993/21] | Kador & Partner Corneliusstrasse 15 D-80469 München / DE | Application number, filing date | 92117320.9 | 09.10.1992 | [1993/21] | Priority number, date | US19910780681 | 18.10.1991 Original published format: US 780681 | [1993/21] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0543135 | Date: | 26.05.1993 | Language: | EN | [1993/21] | Type: | B1 Patent specification | No.: | EP0543135 | Date: | 26.01.2000 | Language: | EN | [2000/04] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.03.1993 | Classification | IPC: | D21C11/00 | [1993/21] | CPC: |
D21C11/0071 (EP,US);
D21C11/0057 (EP,US);
Y10S423/03 (EP,US)
| Designated contracting states | AT, BE, FR, LU, SE [1993/21] | Title | German: | Selektive Oxydation von Weisslauge | [1993/21] | English: | Selective white liquor oxidation | [1993/21] | French: | Oxydation sélective de liqueur blanche | [1993/21] | Examination procedure | 19.10.1993 | Examination requested [1993/50] | 04.10.1994 | Despatch of a communication from the examining division (Time limit: M04) | 06.10.1994 | Despatch of a communication from the examining division (Time limit: M06) | 13.02.1995 | Reply to a communication from the examining division | 11.08.1995 | Despatch of a communication from the examining division (Time limit: M04) | 23.11.1995 | Reply to a communication from the examining division | 04.07.1996 | Despatch of a communication from the examining division (Time limit: M07) | 14.02.1997 | Reply to a communication from the examining division | 24.02.1997 | Despatch of a communication from the examining division (Time limit: M02) | 11.04.1997 | Reply to a communication from the examining division | 05.11.1997 | Despatch of a communication from the examining division (Time limit: M04) | 05.03.1998 | Reply to a communication from the examining division | 08.10.1998 | Despatch of a communication from the examining division (Time limit: M02) | 04.12.1998 | Reply to a communication from the examining division | 21.01.1999 | Despatch of communication of intention to grant (Approval: Yes) | 26.07.1999 | Communication of intention to grant the patent | 19.10.1999 | Fee for grant paid | 19.10.1999 | Fee for publishing/printing paid | Opposition(s) | 27.10.2000 | No opposition filed within time limit [2001/02] | Fees paid | Renewal fee | 12.10.1994 | Renewal fee patent year 03 | 09.10.1995 | Renewal fee patent year 04 | 14.10.1996 | Renewal fee patent year 05 | 13.10.1997 | Renewal fee patent year 06 | 08.10.1998 | Renewal fee patent year 07 | 15.10.1999 | Renewal fee patent year 08 |
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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 | 26.01.2000 | BE | 26.01.2000 | LU | 09.10.2000 | [2004/39] |
| Former [2001/08] | AT | 26.01.2000 | |
| BE | 26.01.2000 | Documents cited: | Search | [AD]US4053352 (HULTMAN BENGT GORAN, et al); | [A]US4299652 (MASUNO KOUJI, et al); | [AP]US5143702 (DER BRUCE [CA], et al) |