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Extract from the Register of European Patents

EP About this file: EP0252351

EP0252351 - 5-Alkoxy-2,4-diamino-alkylbenzenes and hair dyes containing same [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  13.07.1991
Database last updated on 28.06.2024
Most recent event   Tooltip13.07.1991No opposition filed within time limitpublished on 04.09.1991 [1991/36]
Applicant(s)For all designated states
Wella Aktiengesellschaft
Berliner Allee 65
64295 Darmstadt / DE
[N/P]
Former [1988/02]For all designated states
Wella Aktiengesellschaft
Berliner Allee 65
D-64295 Darmstadt / DE
Inventor(s)01 / Clausen, Thomas, Dr.
Ernst-Pasqué-Strasse 35 A
D-6146 Alsbach / DE
02 / Konrad, Eugen
Mecklenburger Strasse 101
D-6100 Darmstadt / DE
[1988/02]
Application number, filing date87108854.820.06.1987
[1988/02]
Priority number, dateDE1986362278407.07.1986         Original published format: DE 3622784
[1988/02]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0252351
Date:13.01.1988
Language:DE
[1988/02]
Type: B1 Patent specification 
No.:EP0252351
Date:12.09.1990
Language:DE
[1990/37]
Search report(s)(Supplementary) European search report - dispatched on:EP26.10.1987
ClassificationIPC:C07C217/84, A61K7/13
[1990/37]
CPC:
A61Q5/10 (EP,US); A61K8/411 (EP,US); C07C205/37 (EP,US)
Former IPC [1988/02]C07C93/14, A61K7/13
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1988/02]
TitleGerman:Neue 5-Alkoxy-2,4-diamino-alkylbenzole sowie Haarfärbemittel mit 5-Alkoxy-2,4-diamino-alkyl-benzolen[1990/37]
English:5-Alkoxy-2,4-diamino-alkylbenzenes and hair dyes containing same[1988/02]
French:Alcoylbenzènes 5-alcoxy-2,4-diamino et teintures pour les cheveux les contenant[1988/02]
Former [1988/02]Neue 2-Alkoxy-2,4-diamino-alkylbenzole sowie Haarfärbemittel mit 5-Alkoxy-2,4-diamino-alkyl-benzolen
Examination procedure21.05.1988Examination requested  [1988/29]
26.01.1989Despatch of a communication from the examining division (Time limit: M04)
18.03.1989Reply to a communication from the examining division
23.10.1989Despatch of communication of intention to grant (Approval: No)
08.03.1990Despatch of communication of intention to grant (Approval: later approval)
14.03.1990Communication of intention to grant the patent
09.04.1990Fee for grant paid
09.04.1990Fee for publishing/printing paid
Opposition(s)13.06.1991No opposition filed within time limit [1991/36]
Fees paidRenewal fee
03.06.1989Renewal fee patent year 03
20.04.1990Renewal fee patent year 04
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Documents cited:Search[A]DE1619614  ;
 [A]US2381877  (SCOTT CARPENTER MARION);
 [A]GB1344796  (HOECHST AG);
 [A]DE2628999  (HENKEL & CIE GMBH);
 [A]FR2542193  (BRISTOL MYERS CO [US]);
 [AD]GB2163154  (WELLA AG)
 [X]  - CHEMICAL ABSTRACTS, Band 77, Nr. 5, 31. Juli 1972, Seite 450, Zusammenfassungsnr. 33688y, Columbus, Ohio, US; J.F. CORBETT "Benzoquinone imines. X. Mechanism and kinetics of the reactions of p-benzoquinone diimine and p-benzoquinone monoimine with C-methoxy-m-diamines and p-methoxy- and p-chlorophenols", & J. CHEM. SOC., PERKIN TRANS. 2 1972, (8), 999-1005
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.