Extract from the Register of European Patents

EP About this file: EP0210952

EP0210952 - Aqueous, alkaline, silicate-containing composition for the bleaching of cellulosic fibres in the presence of percompounds [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  21.06.1990
Database last updated on 11.04.2026
Most recent event   Tooltip21.06.1990No opposition filed within time limitpublished on 08.08.1990 [1990/32]
Applicant(s)For all designated states
CIBA-GEIGY AG
Klybeckstrasse 141
4002 Basel / CH
[N/P]
Former [1987/06]For all designated states
CIBA-GEIGY AG
Klybeckstrasse 141
CH-4002 Basel / CH
Inventor(s)01 / Stehlin, Albert
Rue de Bougue 6
F-68300 Rosenau / FR
02 / Guth, Christian
In der Klostermatten 26
CH-4052 Basel / CH
[1987/06]
Application number, filing date86810312.814.07.1986
[1987/06]
Priority number, dateCH1985000314119.07.1985         Original published format: CH 314185
[1987/06]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0210952
Date:04.02.1987
Language:DE
[1987/06]
Type: B1 Patent specification 
No.:EP0210952
Date:23.08.1989
Language:DE
[1989/34]
Search report(s)(Supplementary) European search report - dispatched on:EP28.11.1986
ClassificationIPC:D06L3/02, C11D3/39
[1987/06]
CPC:
C11D3/394 (EP,US); C11D3/3937 (EP,US); D06L4/12 (EP,US);
Y10S516/03 (EP,US)
Designated contracting statesBE,   CH,   DE,   FR,   GB,   IT,   LI [1987/06]
TitleGerman:Wässrige, alkalische, silikathaltige Zusammensetzung zum Bleichen von cellulosehaltigen Fasermaterialien in Gegenwart von Perverbindungen[1987/06]
English:Aqueous, alkaline, silicate-containing composition for the bleaching of cellulosic fibres in the presence of percompounds[1987/06]
French:Composition aqueuse, alcaline contenant des silicates pour le blanchiment de matières fibreuses cellulosiques en présence de composés "per"[1987/06]
Examination procedure16.07.1986Examination requested  [1987/16]
01.06.1988Despatch of a communication from the examining division (Time limit: M04)
30.09.1988Reply to a communication from the examining division
21.11.1988Despatch of communication of intention to grant (Approval: Yes)
30.01.1989Communication of intention to grant the patent
06.04.1989Fee for grant paid
06.04.1989Fee for publishing/printing paid
Opposition(s)24.05.1990No opposition filed within time limit [1990/32]
Fees paidRenewal fee
06.06.1988Renewal fee patent year 03
01.06.1989Renewal fee patent year 04
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