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EP0302166
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EP About this file: EP0302166
| EP0302166 - Process for separating fillers from paper mill water circuits by flotation [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 10.04.1991 Database last updated on 06.07.2024 | Most recent event Tooltip | 10.04.1991 | Change - withdrawal | published on 29.05.1991 [1991/22] | Applicant(s) | For all designated states Henkel Kommanditgesellschaft auf Aktien 40191 Düsseldorf / DE | [N/P] |
| Former [1989/06] | For all designated states Henkel Kommanditgesellschaft auf Aktien D-40191 Düsseldorf / DE | Inventor(s) | 01 /
Hornfeck, Klaus August-Burberg-Strasse 34 D-4020 Mettmann / DE | 02 /
Von Rybinski, Wolfgang, Dr. Leinenweberweg 12 D-4000 Düsseldorf 13 / DE | [1989/06] | Application number, filing date | 88103506.7 | 07.03.1988 | [1989/06] | Priority number, date | DE19873723500 | 16.07.1987 Original published format: DE 3723500 | [1989/06] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0302166 | Date: | 08.02.1989 | Language: | DE | [1989/06] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.12.1988 | Classification | IPC: | D21F1/66 | [1989/06] | CPC: |
B03D1/002 (EP);
B03D1/012 (EP);
D21F1/70 (EP);
B03D2201/007 (EP);
B03D2201/02 (EP)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1989/06] | Title | German: | Verfahren zur Flotation von Füllstoffen aus Papierkreislaufwässern | [1989/06] | English: | Process for separating fillers from paper mill water circuits by flotation | [1989/06] | French: | Procédé de séparation des charges contenues dans des circuits d'eau d'une papeterie, par flottation | [1989/06] | File destroyed: | 02.03.1998 | Examination procedure | 24.06.1989 | Examination requested [1989/34] | 09.10.1990 | Despatch of a communication from the examining division (Time limit: M04) | 22.11.1990 | Reply to a communication from the examining division | 27.12.1990 | Despatch of a communication from the examining division (Time limit: M04) | 21.03.1991 | Application withdrawn by applicant [1991/22] | Fees paid | Renewal fee | 17.02.1990 | Renewal fee patent year 03 |
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| 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]JP7935889 ; | [X]DE1636335 ; | [A]GB1177003 ; | [A]GB1053946 | [X] - J.P. CASEY: "Pulp and Paper. Chemistry and Chemical Technology", Band 11, Ausgabe 3, 1980, Seiten 1177-1214, John Wiley & Sons, New York, US; A.M. SPRINGER et al.: "Environmental control","Water Pollution" | [A] - ABSTRACT BULLETIN OF THE INSTITUTE OF PAPER CHEMISTRY, Band 56, Nr. 6, Dezember 1985, Seite 740, Zusammenfassung Nr. 6655, Appleton, Wisconsin, US; V. VULCHEV et al.: "Intensifying fiber precipitation in effluents in the manufacture of multi-ply board" | [A] - CHEMICAL ABSTRACTS, Band 91, Nr. 6, 6. August 1979, Zusammenfassung Nr. 41117r, Seite 89, Columbus, Ohio, US; & JP-A-79 35 889 (NIKKI K.K.) 16-03-1979, & JP7935889 A 00000000 |