Extract from the Register of European Patents

EP About this file: EP0274776

EP0274776 - Baths and process for chemically polishing stainless steel surfaces [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.12.1994
Database last updated on 11.04.2026
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
SOLVAY
Rue du Prince Albert, 33
1050 Bruxelles / BE
[N/P]
Former [1991/52]For all designated states
SOLVAY
Rue du Prince Albert, 33
B-1050 Bruxelles / BE
Former [1988/29]For all designated states
SOLVAY & Cie (Société Anonyme)
Rue du Prince Albert, 33
B-1050 Bruxelles / BE
Inventor(s)01 / Tytgat, Daniel
Avenue de Janvier, 23
B-1200 Bruxelles / BE
02 / Reignier, Marianne
Rue du Panier Vert, 35
B-1400 Nivelles / BE
03 / Dujardin, François
Rue Léon Mignon, 22
B-1030 Bruxelles / BE
[1988/29]
Representative(s)Anthoine, Paul, et al
SOLVAY
Département de la Propriété Industrielle
310, rue de Ransbeek
1120 Bruxelles / BE
[N/P]
Former [1989/45]Anthoine, Paul, et al
SOLVAY Département de la Propriété Industrielle 310, rue de Ransbeek
B-1120 Bruxelles / BE
Application number, filing date87202404.703.12.1987
[1988/29]
Priority number, dateFR1986001762115.12.1986         Original published format: FR 8617621
[1988/29]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0274776
Date:20.07.1988
Language:FR
[1988/29]
Type: B1 Patent specification 
No.:EP0274776
Date:16.02.1994
Language:FR
[1994/07]
Search report(s)(Supplementary) European search report - dispatched on:EP31.05.1988
ClassificationIPC:C23F3/06
[1988/29]
CPC:
C23F3/06 (EP); C23F3/00 (KR)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1988/29]
TitleGerman:Bäder und Verfahren zum chemischen Polieren von rostfreien Stahloberflächen[1988/29]
English:Baths and process for chemically polishing stainless steel surfaces[1988/29]
French:Bains et procédé pour le polissage chimique de surfaces en acierin oxydable[1988/29]
Examination procedure12.01.1989Examination requested  [1989/11]
09.02.1990Despatch of a communication from the examining division (Time limit: M04)
22.05.1990Reply to a communication from the examining division
09.07.1990Despatch of communication that the application is refused, reason: substantive examination {1}
09.06.1993Despatch of communication of intention to grant (Approval: Yes)
30.07.1993Communication of intention to grant the patent
07.10.1993Fee for grant paid
07.10.1993Fee for publishing/printing paid
Appeal following examination23.08.1990Appeal received No.  T0920/90
20.10.1990Statement of grounds filed
09.06.1993Result of appeal procedure: remittal for grant
09.06.1993Date of oral proceedings
01.07.1993Minutes of oral proceedings despatched
Opposition(s)18.11.1994No opposition filed within time limit [1995/07]
Fees paidRenewal fee
19.12.1989Renewal fee patent year 03
27.12.1990Renewal fee patent year 04
08.01.1992Renewal fee patent year 05
21.12.1992Renewal fee patent year 06
25.08.1993Renewal fee patent year 07
Penalty fee
Additional fee for renewal fee
01.01.199205   M06   Fee paid on   08.01.1992
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Documents cited:Search[A]   WERKSTOFFE UND KORROSION, vol. 35, no. 3, mars 1984, pages 99-106, Verlag Chemie GmbH, Weinheim, DE; G. SCHMITT et al.: "Sureinhibitoren. II. Einfluss von quartren Ammoniumsalzen auf die Wasserstoffaufnahme von unlegiertem Stahl in H2S-freier und H2S-gesttigter Salzsure" [A]
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