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Extract from the Register of European Patents

EP About this file: EP0333836

EP0333836 - PROCESS FOR NITROGEN OXIDES REDUCTION AND MINIMIZATION OF THE PRODUCTION OF OTHER POLLUTANTS [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  16.05.2003
Database last updated on 31.08.2024
Most recent event   Tooltip19.03.2010Change - opposition data/opponents data or that of the opponents representativepublished on 21.04.2010  [2010/16]
Applicant(s)For all designated states
FUEL TECH, INC.
61 Taylor Reed Place
Stamford, CT 06906 / US
[1989/39]
Inventor(s)01 / EPPERLY, William, Robert
32 Canaan Close 289 New Norwalk Road
New Canaan, CT 06840 / US
02 / SULLIVAN, James, Christopher
15 Westview Lane
Norwalk, CT 06854 / US
03 / SPRAGUE, Barry, Normand
440 Meloy Road
West Haven, CT 06516 / US
04 / O'LEARY, John, Henry
22 Valley View Road
Danbury, CT 06810 / US
[1989/39]
Representative(s)Vossius & Partner Patentanwälte Rechtsanwälte mbB
Siebertstrasse 3
81675 München / DE
[N/P]
Former [1989/39]VOSSIUS & PARTNER
Postfach 86 07 67
D-81634 München / DE
Application number, filing date88908886.012.08.1988
[1989/39]
WO1988US02751
Priority number, dateUS1987010012823.09.1987         Original published format: US 100128
US1987010877914.10.1987         Original published format: US 108779
US1987013280114.12.1987         Original published format: US 132801
US1988015586429.02.1988         Original published format: US 155864
US1988020729215.06.1988         Original published format: US 207292
US1988020738215.06.1988         Original published format: US 207382
[1989/39]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO8902781
Date:06.04.1989
[1989/08]
Type: A1 Application with search report 
No.:EP0333836
Date:27.09.1989
Language:EN
The application published by WIPO in one of the EPO official languages on 06.04.1989 takes the place of the publication of the European patent application.
[1989/39]
Type: B1 Patent specification 
No.:EP0333836
Date:24.05.1995
Language:EN
[1995/21]
Search report(s)International search report - published on:EP01.06.1989
ClassificationIPC:B01D53/34
[1989/39]
CPC:
B01D53/56 (EP); B01J2219/00058 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1989/39]
TitleGerman:VERFAHREN ZUR REDUKTION VON STICKOXIDEN UND MINIMIERUNG DER PRODUKTIVEN VON ANDEREN VERUNREINIGUNGEN[1989/39]
English:PROCESS FOR NITROGEN OXIDES REDUCTION AND MINIMIZATION OF THE PRODUCTION OF OTHER POLLUTANTS[1989/39]
French:PROCEDE DE REDUCTION DES OXYDES D'AZOTE ET REDUCTION AU MINIMUM DE LA PRODUCTION D'AUTRES POLLUANTS[1989/39]
Entry into regional phase14.06.1989National basic fee paid 
14.06.1989Designation fee(s) paid 
26.09.1989Examination fee paid 
Examination procedure26.09.1989Examination requested  [1989/47]
13.01.1992Despatch of a communication from the examining division (Time limit: M04)
22.05.1992Reply to a communication from the examining division
28.08.1992Despatch of a communication from the examining division (Time limit: M06)
08.03.1993Reply to a communication from the examining division
28.06.1993Despatch of a communication from the examining division (Time limit: M06)
18.11.1993Reply to a communication from the examining division
15.12.1993Despatch of a communication from the examining division (Time limit: M04)
18.03.1994Reply to a communication from the examining division
25.08.1994Despatch of communication of intention to grant (Approval: Yes)
25.11.1994Communication of intention to grant the patent
13.02.1995Fee for grant paid
13.02.1995Fee for publishing/printing paid
Opposition(s)Opponent(s)01  13.02.1996  22.02.1996  ADMISSIBLE
Noell-KRC Umwelttechnik GmbH
Alfred-Nobel-Str. 20
D-97080 Würzburg / DE
Opponent's representative
dompatent von Kreisler Selting Werner - Partnerschaft von Patent- und Rechtsanwälten mbB
Deichmannhaus am Dom
Bahnhofsvorplatz 1
50667 Köln / DE
 [N/P]
Former [2010/16]
Opponent(s)01  13.02.1996  22.02.1996  ADMISSIBLE
Noell-KRC Umwelttechnik GmbH
Alfred-Nobel-Str. 20
D-97080 Würzburg / DE
Opponent's representative
von Kreisler Selting Werner
Deichmannhaus am Dom Bahnhofsvorplatz 1
50667 Köln / DE
Former [1996/15]
Opponent(s)01  13.02.1996  22.02.1996  ADMISSIBLE
Noell-KRC Umwelttechnik GmbH
Alfred-Nobel-Str. 20
D-97080 Würzburg / DE
Opponent's representative
Werner, Hans-Karsten
Patentanwälte Von Kreisler Selting Werner Postfach 10 22 41
50462 Köln / DE
29.03.1996Invitation to proprietor to file observations on the notice of opposition
08.11.1996Reply of patent proprietor to notice(s) of opposition
12.12.1996Despatch of a communication from the opposition division (Time limit: M08)
20.01.1999Date of oral proceedings
23.02.1999Despatch of minutes of oral proceedings
23.02.1999Despatch of communication that the patent will be revoked
26.03.2003Legal effect of revocation of patent [2003/27]
Appeal following opposition04.05.1999Appeal received No.  T0496/99
05.07.1999Statement of grounds filed
30.04.2002Invitation to file observations in an appeal (Time limit: M06) [2002/18]
26.03.2003Result of appeal procedure: appeal of the proprietor withdrawn
Fees paidRenewal fee
04.12.1990Renewal fee patent year 03
17.07.1991Renewal fee patent year 04
17.07.1992Renewal fee patent year 05
14.07.1993Renewal fee patent year 06
25.07.1994Renewal fee patent year 07
Penalty fee
Additional fee for renewal fee
31.08.199003   M06   Fee paid on   04.12.1990
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
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  TooltipAT24.05.1995
BE24.05.1995
CH24.05.1995
IT24.05.1995
LI24.05.1995
NL24.05.1995
LU31.08.1995
[2003/07]
Former [2000/06]AT24.05.1995
BE24.05.1995
CH24.05.1995
IT24.05.1995
LI24.05.1995
LU31.08.1995
Former [1999/42]AT24.05.1995
BE24.05.1995
CH24.05.1995
IT24.05.1995
LI24.05.1995
Former [1996/05]AT24.05.1995
BE24.05.1995
CH24.05.1995
LI24.05.1995
Former [1996/02]AT24.05.1995
CH24.05.1995
LI24.05.1995
Former [1995/49]CH24.05.1995
LI24.05.1995
Cited inInternational searchDE2657617  [ ] (KURASHIKI BOSEKI KK [JP], et al);
 FR2373327  [ ] (HITACHI LTD [JP])
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.