EP0238654 - REDUCTION OF NITROGEN- AND CARBON-BASED POLLUTANTS THROUGH THE USE OF UREA SOLUTIONS [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.05.1994 Database last updated on 16.07.2024 | Most recent event Tooltip | 26.05.1994 | No opposition filed within time limit | published on 13.07.1994 [1994/28] | Applicant(s) | For all designated states FUEL TECH, INC. 61 Taylor Reed Place Stamford, CT 06906 / US | [1987/40] | Inventor(s) | 01 /
BOWERS, Wayne, E. 2340-P State Road 580 No. 173 Clearwater, FL 33575 / US | [1987/40] | Representative(s) | Vossius & Partner Patentanwälte Rechtsanwälte mbB Siebertstrasse 3 81675 München / DE | [N/P] |
Former [1989/46] | VOSSIUS & PARTNER Postfach 86 07 67 D-81634 München / DE | ||
Former [1989/10] | Votier, Sidney David CARPMAELS & RANSFORD 43, Bloomsbury Square London WC1A 2RA / GB | ||
Former [1988/35] | Hagemann, Heinrich, Dr. rer. nat., Dipl.-Chem. Patentanwälte HAGEMANN & KEHL Postfach 86 03 29 D-81630 München / DE | ||
Former [1988/15] | Hagemann, Heinrich, Dr. rer. nat., Dipl.-Chem. Patentanwälte Hagemann & Kehl Postfach 86 03 29 D-81630 München / DE | ||
Former [1988/06] | Schaumburg, Thoenes & Thurn Mauerkircherstrasse 31 D-81679 München / DE | ||
Former [1987/49] | Schaumburg, Thoenes & Thurn Mauerkircherstrasse 31 D-81679 München / DE | ||
Former [1987/40] | Lambert, Hugh Richmond D. YOUNG & CO., 21 New Fetter Lane London EC4A 1DA / GB | Application number, filing date | 86906557.3 | 03.10.1986 | [1987/40] | WO1986US02099 | Priority number, date | US19850784826 | 04.10.1985 Original published format: US 784826 | [1987/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO8702025 | Date: | 09.04.1987 | Language: | EN | [1987/08] | Type: | A1 Application with search report | No.: | EP0238654 | Date: | 30.09.1987 | Language: | EN | The application published by WIPO in one of the EPO official languages on 09.04.1987 takes the place of the publication of the European patent application. | [1987/40] | Type: | B1 Patent specification | No.: | EP0238654 | Date: | 21.07.1993 | Language: | EN | [1993/29] | Search report(s) | International search report - published on: | US | 09.04.1987 | (Supplementary) European search report - dispatched on: | EP | 27.10.1988 | Classification | IPC: | C01B21/00 | [1987/40] | CPC: |
B01D53/56 (EP,US)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1987/40] | Title | German: | VERMINDERUNG DER STICKSTOFF- UND KOHLENSTOFFHALTIGEN SCHADSTOFFE MITTELS HARNSTOFFLÖSUNGEN | [1987/40] | English: | REDUCTION OF NITROGEN- AND CARBON-BASED POLLUTANTS THROUGH THE USE OF UREA SOLUTIONS | [1987/40] | French: | DIMINUTION DES POLLUANTS A BASE D'AZOTE ET DE CARBONE PAR L'EMPLOI DE SOLUTIONS D'UREE | [1987/40] | Entry into regional phase | 19.06.1987 | National basic fee paid | 19.06.1987 | Search fee paid | 19.06.1987 | Designation fee(s) paid | 19.06.1987 | Examination fee paid | Examination procedure | 19.06.1987 | Examination requested [1987/40] | 02.05.1990 | Despatch of a communication from the examining division (Time limit: M06) | 12.11.1990 | Reply to a communication from the examining division | 19.04.1991 | Despatch of a communication from the examining division (Time limit: M06) | 29.10.1991 | Reply to a communication from the examining division | 02.06.1992 | Despatch of communication of intention to grant (Approval: No) | 08.01.1993 | Despatch of communication of intention to grant (Approval: later approval) | 15.01.1993 | Communication of intention to grant the patent | 26.04.1993 | Fee for grant paid | 26.04.1993 | Fee for publishing/printing paid | Opposition(s) | 22.04.1994 | No opposition filed within time limit [1994/28] | Fees paid | Renewal fee | 22.10.1988 | Renewal fee patent year 03 | 03.10.1989 | Renewal fee patent year 04 | 20.09.1990 | Renewal fee patent year 05 | 18.09.1991 | Renewal fee patent year 06 | 18.09.1992 | Renewal fee patent year 07 |
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