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Extract from the Register of European Patents

EP About this file: EP0140251

EP0140251 - Process for the preparation of alkali or alkaline-earth salts of acyloxybenzene-sulfonic acids [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  22.07.1989
Database last updated on 03.09.2024
Most recent event   Tooltip22.07.1989Patent maintained (B2 publication)published on 06.09.1989 [1989/36]
Applicant(s)For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
[N/P]
Former [1985/19]For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
D-67063 Ludwigshafen / DE
Inventor(s)01 / Balzer, Wolf-Dieter, Dr.
Bruesseler Ring 34
D-6700 Ludwigshafen / DE
02 / Bechtolsheimer, Hans-Heinrich, Dr.
Ringstrasse 7
D-6521 Dittelsheim-Hessloch / DE
03 / Beyer, Karl-Heinz, Dr.
Knietschstrasse 6
D-6710 Frankenthal / DE
04 / Fikentscher, Rolf, Dr.
Von-Stephan-Strasse 27
D-6700 Ludwigshafen / DE
05 / Perner, Johannes, Dr.
Ginsterweg 4
D-6730 Neustadt / DE
06 / Widder, Rudi, Dr.
In der Taesch 7
D-6906 Leimen / DE
07 / Wolf, Helmut
Im Zollstock 6
D-6733 Hassloch / DE
[1985/19]
Application number, filing date84112279.912.10.1984
[1985/19]
Priority number, dateDE1983333792119.10.1983         Original published format: DE 3337921
[1985/19]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0140251
Date:08.05.1985
Language:DE
[1985/19]
Type: A3 Search report 
No.:EP0140251
Date:03.07.1985
Language:DE
[1985/27]
Type: B1 Patent specification 
No.:EP0140251
Date:11.06.1986
Language:DE
[1986/24]
Type: B1 RE Reissue of patent specification
No.:EP0140251
Date:07.10.1986
[1986/49]
Type: B2 New European patent specification 
No.:EP0140251
Date:06.09.1989
Language:DE
[1989/36]
Search report(s)(Supplementary) European search report - dispatched on:EP29.04.1985
ClassificationIPC:C07C143/46, C07C139/00
[1985/19]
CPC:
C07C309/00 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   NL,   SE [1985/19]
TitleGerman:Verfahren zur Herstellung von Alkali- und Erdalkalisalzen von Acyloxibenzolsulfonsäuren[1985/19]
English:Process for the preparation of alkali or alkaline-earth salts of acyloxybenzene-sulfonic acids[1985/31]
French:Procédé pour la préparation de sels de métaux alcalins ou alcalino-terreux d'acides acyloxybenzènesulphoniques[1985/31]
Examination procedure03.05.1985Examination requested  [1985/29]
26.11.1985Despatch of communication of intention to grant (Approval: )
13.12.1985Communication of intention to grant the patent
07.03.1986Fee for grant paid
07.03.1986Fee for publishing/printing paid
Opposition(s)Opponent(s)01  22.12.1986  02.03.1987  ADMISSIBLE
HOECHST AKTIENGESELLSCHAFT
Zentrale Patentanbteilung Gebäude F 821
D-65926 Frankfurt am Main / DE
 [N/P]
Former [1987/09]
Opponent(s)01  22.12.1986  02.03.1987  ADMISSIBLE
HOECHST AKTIENGESELLSCHAFT
Zentrale Patentanbteilung Gebäude F 821
D-65926 Frankfurt am Main / DE
14.04.1987Invitation to proprietor to file observations on the notice of opposition
02.10.1987Reply of patent proprietor to notice(s) of opposition
22.10.1987Communication of observations of patent proprietor (Time limit: M06)
26.04.1988Reply of parties involved to observations of patent proprietor
05.12.1988Despatch of interlocutory decision in opposition
15.12.1988Legal effect of interlocutory decision in opposition
15.03.1989Despatch of communication that the patent will be maintained as amended
15.06.1989Fee for printing new specification paid
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Documents cited:Search[AD]DE2602510  (UNILEVER NV)
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