Extract from the Register of European Patents

EP About this file: EP0347988

EP0347988 - Stable pourable aqueous bleaching compositions comprising solid organic peroxy acids and at least two polymers [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  06.01.1994
Database last updated on 28.03.2026
Most recent event   Tooltip11.12.1999Lapse of the patent in a contracting state
New state(s): GR
published on 26.01.2000 [2000/04]
Applicant(s)For all designated states
Akzo N.V.
Velperweg 76
NL-6824 BM Arnhem / NL
[N/P]
Former [1989/52]For all designated states
AKZO N.V.
Velperweg 76
NL-6824 BM Arnhem / NL
Inventor(s)01 / Torenbeek, Reinder
Quabbenburgerweg 8
NL-7396 NN Terwolde (Gld.) / NL
02 / Ploumen, Jan Joseph Hubert
Florasingel 79
NL-6043 WC Roermond / NL
[1989/52]
Representative(s)(deleted)
[1992/43]
Former [1989/52]Sieders, René, et al
AKZO NOBEL N.V. Patent Department (Dept. CO) P.O. Box 9300
NL-6800 SB Arnhem / NL
Application number, filing date89201576.916.06.1989
[1989/52]
Priority number, dateEP1988010992522.06.1988         Original published format: EP 88109925
[1989/52]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0347988
Date:27.12.1989
Language:EN
[1989/52]
Type: B1 Patent specification 
No.:EP0347988
Date:03.03.1993
Language:EN
[1993/09]
Search report(s)(Supplementary) European search report - dispatched on:EP11.10.1989
ClassificationIPC:C11D3/39, C11D17/00, C11D3/22
[1989/52]
CPC:
C11D3/3945 (EP); C11D3/3947 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1989/52]
TitleGerman:Stabile, giessbare wasserhaltige Bleichmittelzusammensetzungen, die feste organische Peroxysäure und mindestens zwei Polymere enthalten[1989/52]
English:Stable pourable aqueous bleaching compositions comprising solid organic peroxy acids and at least two polymers[1989/52]
French:Compositions de blanchiment aqueuses et stables pouvant être versées, comprenant un péroxide d'acide organique solide à au moins deux polymères[1989/52]
Examination procedure11.01.1990Examination requested  [1990/11]
04.02.1992Despatch of a communication from the examining division (Time limit: M04)
13.02.1992Reply to a communication from the examining division
08.05.1992Despatch of communication of intention to grant (Approval: No)
24.08.1992Despatch of communication of intention to grant (Approval: later approval)
31.08.1992Communication of intention to grant the patent
05.11.1992Fee for grant paid
05.11.1992Fee for publishing/printing paid
Opposition(s)04.12.1993No opposition filed within time limit [1994/08]
Fees paidRenewal fee
20.04.1991Renewal fee patent year 03
22.04.1992Renewal fee patent year 04
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Lapses during opposition  TooltipGR03.03.1993
SE03.03.1993
[2000/04]
Former [1993/46]SE03.03.1993
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