blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability
Register Forum

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0344553

EP0344553 - Surfactant mixtures as collectors for the flotation of non-sulfidic minerals [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  06.05.1993
Database last updated on 03.08.2024
Most recent event   Tooltip06.05.1993No opposition filed within time limitpublished on 23.06.1993 [1993/25]
Applicant(s)For all designated states
Henkel Kommanditgesellschaft auf Aktien
Henkelstrasse 67
40589 Düsseldorf / DE
[N/P]
Former [1989/49]For all designated states
Henkel Kommanditgesellschaft auf Aktien
D-40191 Düsseldorf / DE
Inventor(s)01 / von Rybinski, Wolfgang, Dr.
Leinenweberweg 12
D-4000 Düsseldorf / DE
02 / Köster, Rita
Taubenstrasse 7
D-4000 Düsseldorf / DE
[1989/49]
Application number, filing date89109118.320.05.1989
[1989/49]
Priority number, dateDE1988381848231.05.1988         Original published format: DE 3818482
[1989/49]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0344553
Date:06.12.1989
Language:DE
[1989/49]
Type: B1 Patent specification 
No.:EP0344553
Date:01.07.1992
Language:DE
[1992/27]
Search report(s)(Supplementary) European search report - dispatched on:EP05.09.1989
ClassificationIPC:B03D1/00
[1989/49]
CPC:
B03D1/012 (EP,US); B03D1/0043 (EP,US); B03D1/01 (EP,US);
B03D2203/04 (EP,US)
Designated contracting statesDE,   ES,   FR,   SE [1992/06]
Former [1989/49]BE,  DE,  ES,  FR,  GB,  IT,  SE 
TitleGerman:Tensidmischungen als Sammler für die Flotation nichtsulfidischer Erze[1989/49]
English:Surfactant mixtures as collectors for the flotation of non-sulfidic minerals[1989/49]
French:Mélanges d'agents tensio-actifs comme collecteurs pour la flottation de minerais non sulfurés[1989/49]
Examination procedure08.02.1990Examination requested  [1990/14]
09.08.1991Despatch of communication of intention to grant (Approval: No)
26.08.1991Despatch of communication of intention to grant (Approval: later approval)
16.12.1991Communication of intention to grant the patent
12.03.1992Fee for grant paid
12.03.1992Fee for publishing/printing paid
Opposition(s)02.04.1993No opposition filed within time limit [1993/25]
Fees paidRenewal fee
22.04.1991Renewal fee patent year 03
21.04.1992Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[A]SU1162495  ;
 [A]GB782107  (ANZIN LTD);
 [A]US3865718  (TVETER ELMER C, et al);
 [A]EP0107561  (ELF AQUITAINE [FR]);
 [AD]DE3315951  (HENKEL KGAA [DE]);
 [A]EP0201815  (HENKEL KGAA [DE]);
 [AP]EP0270933  (HENKEL KGAA [DE])
 [A]  - SOVIET INVENTIONS ILLUSTRATED, Woche 8601, 21. Januar 1986, Nr. 86-005601/01, Derwent Publications Ltd, London, GB; & SU-A-1162 495 (BELORUSS KIROV TECHN INS) 23-06-1985, & SU1162495 A 00000000
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.