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Extract from the Register of European Patents

EP About this file: EP0261405

EP0261405 - Condensation products of five-membered heterocyclic compounds with a triboelectrical effect for electrophotographical registration processes [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  02.11.1992
Database last updated on 19.10.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
HOECHST AKTIENGESELLSCHAFT
65926 Frankfurt am Main / DE
[N/P]
Former [1988/13]For all designated states
HOECHST AKTIENGESELLSCHAFT
D-65926 Frankfurt am Main / DE
Inventor(s)01 / Macholdt, Hans-Tobias, Dr.
Waldstrasse 20
D-6100 Darmstadt / DE
02 / Sieber, Alexander, Dr.
Wartburgstrasse 76
D-6230 Frankfurt am Main 80 / DE
03 / Feldhues, Michael, Dr.
Königsteiner Strasse 1a
D-6232 Bad Soden am Taunus / DE
[1988/13]
Application number, filing date87112129.921.08.1987
[1988/13]
Priority number, dateDE1986362889426.08.1986         Original published format: DE 3628894
[1988/13]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0261405
Date:30.03.1988
Language:DE
[1988/13]
Type: A3 Search report 
No.:EP0261405
Date:07.03.1990
Language:DE
[1990/10]
Search report(s)(Supplementary) European search report - dispatched on:EP18.01.1990
ClassificationIPC:G03G9/08, C08G61/12
[1988/13]
CPC:
G03G9/08791 (EP); C08G61/123 (EP); C08L65/00 (EP)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI [1988/13]
TitleGerman:Kondensationsprodukte 5- gliedriger Heterocyclen mit triboelektrischer Steuerwirkung für elektrophotographische Aufzeichnungsverfahren[1988/13]
English:Condensation products of five-membered heterocyclic compounds with a triboelectrical effect for electrophotographical registration processes[1988/13]
French:Produits de condensation d'hétérocycles pentagonaux à effet triboélectrique pour procédés d'enregistrement électrophotographiques[1988/13]
File destroyed:02.03.1998
Examination procedure25.04.1990Examination requested  [1990/25]
26.06.1991Application withdrawn by applicant  [1992/52]
Fees paidRenewal fee
11.07.1989Renewal fee patent year 03
12.07.1990Renewal fee patent year 04
21.12.1990Renewal fee patent year 05
Penalty fee
Additional fee for renewal fee
31.08.199206   M06   Not yet paid
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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[X]JP61124958  ;
 [X]JP61141152  ;
 [AD]DE3438390
 [X]  - PATENT ABSTRACTS OF JAPAN, Band 10, Nr. 316 (P-510)[2372], 28. Oktober 1986; & JP-A-61 124 958 (KONISHIROKU PHOTO IND. CO., LTD) 12-06-1986, & JP61124958 A 00000000
 [X]  - PATENT ABSTRACTS OF JAPAN, Band 10, Nr. 338 (P-516)[2394], 15. November 1986; & JP-A-61 141 152 (HITACHI METALS LTD) 28-06-1986, & JP61141152 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.