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

Extract from the Register of European Patents

EP About this file: EP0658517

EP0658517 - Homogeneous mixtures of silicate and carbonate of alcali metal [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  26.01.1996
Database last updated on 11.09.2024
Most recent event   Tooltip26.01.1996Withdrawal of applicationpublished on 13.03.1996 [1996/11]
Applicant(s)For all designated states
Degussa GmbH
Weissfrauenstrasse 9
60311 Frankfurt / DE
[N/P]
Former [1995/25]For all designated states
Degussa Aktiengesellschaft
Weissfrauenstrasse 9
D-60311 Frankfurt / DE
Inventor(s)01 / Kerner, Dieter, Dr.
Am Hexenpfad 21
D-63450 Hanau / DE
02 / Klotz, Oswin
Bayernstrasse 14
D-63825 Westerngrund / DE
03 / Lortz, Wolfgang, Dr.
Feldstrasse 9
D-63607 Wächtersbach / DE
04 / Powell, Sigrid
Waldstrasse 25
D-63579 Freigericht / DE
[1995/25]
Application number, filing date94118177.818.11.1994
[1995/25]
Priority number, dateDE1993433980323.11.1993         Original published format: DE 4339803
[1995/25]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0658517
Date:21.06.1995
Language:DE
[1995/25]
Search report(s)(Supplementary) European search report - dispatched on:EP10.01.1995
ClassificationIPC:C02F5/00, C11D3/08, C01B33/20
[1995/25]
CPC:
C11D7/12 (EP); C02F5/00 (EP); C11D7/14 (EP)
Designated contracting statesAT,   BE,   DE,   DK,   ES,   FR,   GB,   GR,   IE,   IT,   NL,   PT,   SE [1995/25]
TitleGerman:Homogene Alkalisilikat/Alkalikarbonat-Mischungen[1995/25]
English:Homogeneous mixtures of silicate and carbonate of alcali metal[1995/25]
French:Mélanges homogènes de silicate et de carbonate de métal alcalin[1995/25]
File destroyed:20.04.2002
Examination procedure18.11.1994Examination requested  [1995/25]
18.11.1994Request for accelerated examination filed
24.02.1995Despatch of a communication from the examining division (Time limit: M04)
24.02.1995Decision about request for accelerated examination - accepted: Yes
13.06.1995Reply to a communication from the examining division
21.08.1995Despatch of a communication from the examining division (Time limit: M06)
15.01.1996Application withdrawn by applicant  [1996/11]
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[X]FR2143093  (STAUFFER CHEMICAL COMPANY) [X] 1-3 * claims 1,2,6,7 *;
 [DX]EP0486078  (EKA NOBEL AB) [DX] 1-4 * claims 1,4-6 *;
 [A]EP0486079  (EKA NOBEL AB) [A] 1-4 * page 2, line 36 - line 38 * * page 2, line 49 - line 51; claims 1,3-5 *;
 [A]FR2183132  (DIAMOND SHAMROCK) [A] 1,2 * claims 1-3 *;
 [A]US4288342  (J. E. WAGNER ET AL.) [A] 1,5 * claim 1 *;
 [A]GB1346227  (DESOTO);
 [A]GB1595770  (UNILEVER)
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.