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Extract from the Register of European Patents

EP About this file: EP0280156

EP0280156 - Process for the preparation of acetoacetylarylamides-heteroarylamides respectively of deactived aromatic compounds [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.09.1993
Database last updated on 11.09.2024
Most recent event   Tooltip11.09.1993No opposition filed within time limitpublished on 03.11.1993 [1993/44]
Applicant(s)For all designated states
HOECHST AKTIENGESELLSCHAFT
65926 Frankfurt am Main / DE
[N/P]
Former [1988/35]For all designated states
HOECHST AKTIENGESELLSCHAFT
D-65926 Frankfurt am Main / DE
Inventor(s)01 / Papenfuhs, Theodor, Dr.
Heinrich-Bleicher-Strasse 40
D-6000 Frankfurt am Main 50 / DE
02 / Daub, Wolfgang, Dr.
Münsterer Strasse 37a
D-6233 Kelkheim (Taunus) / DE
[1988/35]
Application number, filing date88102229.716.02.1988
[1988/35]
Priority number, dateDE1987370600925.02.1987         Original published format: DE 3706009
DE1987373191223.09.1987         Original published format: DE 3731912
[1988/35]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0280156
Date:31.08.1988
Language:DE
[1988/35]
Type: A3 Search report 
No.:EP0280156
Date:11.10.1989
Language:DE
[1989/41]
Type: B1 Patent specification 
No.:EP0280156
Date:11.11.1992
Language:DE
[1992/46]
Search report(s)(Supplementary) European search report - dispatched on:EP23.08.1989
ClassificationIPC:C07C231/00, C07C233/02, C07C233/16, C07C235/74, C07C303/40, C07C255/49, C07D213/75, C07D215/38, C07D217/22
[1992/46]
CPC:
C07C309/51 (EP); C07C231/00 (KR); C07C233/02 (EP);
C07C255/52 (EP); C07C311/15 (EP)
Former IPC [1988/35]C07C102/00, C07C103/375, C07C103/38, C07C103/46, C07C103/44, C07C143/78, C07C121/60, C07D213/75, C07D215/38, C07D217/22
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   IT,   LI,   NL,   SE [1988/35]
TitleGerman:Verfahren zur Herstellung von Acetoacetylarylamiden bzw. -heteroarylamiden desaktivierter Aromaten[1988/35]
English:Process for the preparation of acetoacetylarylamides-heteroarylamides respectively of deactived aromatic compounds[1988/35]
French:Procédé pour la préparation d'acétoacétylarylamides et également d'hétéroarylamides de composés aromatiques désactivés[1988/35]
Examination procedure04.04.1990Examination requested  [1990/22]
23.12.1991Despatch of communication of intention to grant (Approval: Yes)
05.05.1992Communication of intention to grant the patent
14.07.1992Fee for grant paid
14.07.1992Fee for publishing/printing paid
Opposition(s)12.08.1993No opposition filed within time limit [1993/44]
Fees paidRenewal fee
12.01.1990Renewal fee patent year 03
21.12.1990Renewal fee patent year 04
15.01.1992Renewal fee patent year 05
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Documents cited:Search[AD]EP0053713  (HOECHST AG [DE]);
 [AD]GB715896  (DISTILLERS CO YEAST LTD);
 [A]EP0004611  (CIBA GEIGY AG [CH]);
 [A]DE2519036  (HOECHST AG)
 [A]  - CHEMICAL PHARMACEUTICAL BULLETIN, Band 29, Nr. 4, 1981, Seiten 1049-1055; H. YAMANAKA et al, "Studies on Quinoline and Isoquinoline Derivatives. VI. Addition Reaction of Diketene with Isoquinolines in the Presence of Carboxylic Acids"
 [AD]  - THE JOURNAL OF GENERAL CHEMISTRY OF THE USSR, Band 21, 1981, Seiten 1995-2000; V. V. PEREKALIN et al, "Reactions of ketene dimer; Reaction of ketene dimer with some weakly basic aromatic amines"
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.