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

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

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP0671973

EP0671973 - SURFACE ACTIVE COMPOUNDS PRODUCED FROM REGENERATIVE STARTING MATERIALS [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  29.08.1997
Database last updated on 19.10.2024
Most recent event   Tooltip29.08.1997No opposition filed within time limitpublished on 15.10.1997 [1997/42]
Applicant(s)For all designated states
Olschewski, Brigitte, Dr.
Gartenstrasse 51
12557 Berlin / DE
For all designated states
Olschewski, Max
Gartenstrasse 51
12557 Berlin / DE
[N/P]
Former [1995/38]For all designated states
Olschweski, Brigitte
Gartenstrasse 51
D-12557 Berlin / DE
For all designated states
Olschweski, Max
Gartenstrasse 51
D-12557 Berlin / DE
Inventor(s)01 / see applicant
...
[1995/38]
Application number, filing date94928847.601.10.1994
[1995/38]
WO1994EP03263
Priority number, dateDE1993433468905.10.1993         Original published format: DE 4334689
[1995/38]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO9509691
Date:13.04.1995
Language:DE
[1995/16]
Type: A1 Application with search report 
No.:EP0671973
Date:20.09.1995
Language:DE
The application published by WIPO in one of the EPO official languages on 13.04.1995 takes the place of the publication of the European patent application.
[1995/38]
Type: B1 Patent specification 
No.:EP0671973
Date:23.10.1996
Language:DE
[1996/43]
Search report(s)International search report - published on:EP13.04.1995
ClassificationIPC:B01F17/00, C11D3/38, C12N1/00
[1995/38]
CPC:
C11D3/381 (EP); C09K23/30 (EP,US); C09K23/00 (EP);
C12N1/005 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   LI,   NL,   SE [1995/38]
TitleGerman:GRENZFLÄCHENCHEMISCH AKTIVE VERBINDUNGEN AUS NACHWACHSENDEN ROHSTOFFEN[1995/38]
English:SURFACE ACTIVE COMPOUNDS PRODUCED FROM REGENERATIVE STARTING MATERIALS[1995/38]
French:COMPOSES A ACTIVITE CHIMIQUE INTERFACIALE ISSUS DE PRODUITS DE DEPART A POST-CROISSANCE[1995/38]
Entry into regional phase26.06.1995National basic fee paid 
26.06.1995Designation fee(s) paid 
26.06.1995Examination fee paid 
Examination procedure26.06.1995Examination requested  [1995/38]
20.11.1995Despatch of communication of intention to grant (Approval: No)
29.01.1996Despatch of a communication from the examining division (Time limit: M04)
14.03.1996Reply to a communication from the examining division
16.04.1996Despatch of communication of intention to grant (Approval: later approval)
25.04.1996Communication of intention to grant the patent
21.06.1996Fee for grant paid
21.06.1996Fee for publishing/printing paid
Opposition(s)24.07.1997No opposition filed within time limit [1997/42]
Fees paidRenewal fee
27.10.1995Renewal fee patent year 03
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.
Lapses during opposition  TooltipSE23.01.1997
[1997/39]
Cited inInternational search[A]EP0220676  (SUEDDEUTSCHE ZUCKER AG [DE]) [A] 1 * claim - *;
 [D]DE3538451  (SUEDDEUTSCHE ZUCKER AG [DE]);
 [D]DD273275  (AKAD WISSENSCHAFTEN DDR [DD]);
 [DA]EP0379101  (HOECHST AG [DE]) [DA] 1 * claim - *;
 [DA]EP0417619  (HOECHST AG [DE], et al) [DA] 1 * claim - *;
 [A]WO9119777  (HENKEL KGAA [DE]) [A] 1 * claim - *;
 [D]DE4019790  (HENKEL KGAA [DE]);
 [D]DE4103681  (GRILLO WERKE AG [DE], et al);
 [A]WO9213866  (GRILLO WERKE AG [DE], et al) [A] 1 * claim - *
 [A]  - CHEMICAL ABSTRACTS, (19901015), vol. 113, no. 16, Database accession no. 138306n, page 392 [A] 1 * abstract *
ExaminationDD273275
    - CHEMICAL ABSTRACTS, vol. 113, no. 16, 15. Oktober 1990, Columbus, Ohio, US; abstract no. 138306nSeite 392 ; & DD-A-273275 s
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.