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Extract from the Register of European Patents

EP About this file: EP0044995

EP0044995 - Dispersion of brightening agents containing graft polymers, and these graft polymers [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  07.05.1985
Database last updated on 16.07.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
CASSELLA Aktiengesellschaft
Hanauer Landstrasse 526
D-60386 Frankfurt / DE
[1982/05]
Inventor(s)01 / Friedrich, Herbert, Dr.
Stettiner Strasse 95
D-6056 Heusenstamm / DE
02 / Martini, Thomas, Dr.
Odenwaldstrasse 5
D-6233 Kelkheim / DE
03 / Riegel, Ulrich
Steinäckerstrasse 6
D-6000 Frankfurt am Main 61 / DE
04 / Engelhardt, Friedrich, Dr.
Hünfelder Strasse 20
D-6000 Frankfurt am Main 61 / DE
[1982/05]
Representative(s)Urbach, Hans-Georg
Hanauer Landstrasse 526
60386 Frankfurt / DE
[N/P]
Former [1982/05]Urbach, Hans-Georg, Dr.
Hanauer Landstrasse 526
D-60386 Frankfurt / DE
Application number, filing date81105456.813.07.1981
[1982/05]
Priority number, dateDE1980302782923.07.1980         Original published format: DE 3027829
[1982/05]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0044995
Date:03.02.1982
Language:DE
[1982/05]
Search report(s)(Supplementary) European search report - dispatched on:EP30.11.1981
ClassificationIPC:D06L3/12, C08F261/04
[1982/05]
CPC:
C08F261/04 (EP); C09B67/0086 (EP); D06L4/664 (EP)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI [1982/05]
TitleGerman:Dispersionen optischer Aufheller enthaltend Pfropfpolymere des PVA und die neuen Pfropfpolymere[1982/05]
English:Dispersion of brightening agents containing graft polymers, and these graft polymers[1982/05]
French:Dispersion d'azurants optiques contenant des polymères greffés et ces polymères greffés[1982/05]
File destroyed:13.07.1991
Examination procedure07.07.1982Examination requested  [1982/37]
22.04.1983Despatch of a communication from the examining division (Time limit: M04)
25.08.1983Reply to a communication from the examining division
09.11.1983Despatch of a communication from the examining division (Time limit: M05)
26.03.1984Reply to a communication from the examining division
06.06.1984Despatch of communication of intention to grant (Approval: )
27.08.1984Communication of intention to grant the patent
18.01.1985Despatch of communication that the application is refused, reason: formalities examination [1985/28]
28.01.1985Application refused, date of legal effect [1985/28]
Fees paidRenewal fee
11.06.1983Renewal fee patent year 03
22.09.1984Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
31.07.198404   M06   Fee paid on   22.09.1984
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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:SearchJP51058490  [ ];
 FR1573505  [ ];
 DE1214404  [ ] (HOECHST AG);
 CH550277  [ ];
 [A]DE2336777  (BASF AG);
 [A]FR2091597  (ICI AUSTRALIA LTD)
    [ ] - 0HEMICAL ABSTRACTS, Band 85, Nr. 12, 20. September 1976, seite 44, Nr. 78962q Columbus, Ohio, U.S.A. & JP-A-51 058 490 (Kuraray Co., Ltd.) 21-05-1976 * Zusammenfassung *, & JP51058490 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.