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
Register Forum

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
FAQ - Register Alert
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: EP0547402

EP0547402 - Process for the preparation of storage-stable 1-di(C1- to C3-)alkylamino-2,3-propanediol [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  12.01.1995
Database last updated on 02.08.2024
Most recent event   Tooltip12.01.1995Withdrawal of applicationpublished on 01.03.1995 [1995/09]
Applicant(s)For all designated states
Degussa GmbH
Weissfrauenstrasse 9
60311 Frankfurt / DE
[N/P]
Former [1993/25]For all designated states
Degussa Aktiengesellschaft
Weissfrauenstrasse 9
D-60311 Frankfurt / DE
Inventor(s)01 / Götz, Peter, Dr.
Gutenbergstrasse 6B
W6365 Rosbach / DE
02 / Möhlenkamp, Alois
Meisenweg 10
W-6458 Rodenbach / DE
[1993/25]
Application number, filing date92119879.223.11.1992
[1993/25]
Priority number, dateDE1991414134914.12.1991         Original published format: DE 4141349
[1993/25]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0547402
Date:23.06.1993
Language:DE
[1993/25]
Type: A3 Search report 
No.:EP0547402
Date:08.09.1993
Language:DE
[1993/36]
Search report(s)(Supplementary) European search report - dispatched on:EP22.07.1993
ClassificationIPC:C07C213/04
[1993/25]
CPC:
C07C213/04 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   IT,   LI,   NL,   SE [1993/25]
TitleGerman:Verfahren zur Herstellung von lagerstabilen 1-Di(C1-bis C3-)alkylamino-2,3-propandiolen[1993/25]
English:Process for the preparation of storage-stable 1-di(C1- to C3-)alkylamino-2,3-propanediol[1993/25]
French:Procédé de préparation de 1-di(alkyl de C1- à C3-)amino-2,3-propanediol stable au stockage[1993/25]
File destroyed:03.03.2001
Examination procedure23.11.1992Examination requested  [1993/25]
06.12.1994Despatch of a communication from the examining division (Time limit: M04)
11.01.1995Application withdrawn by applicant  [1995/09]
Fees paidRenewal fee
12.10.1994Renewal 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.
Documents cited:Search[A]JP62005939
 [A]  - DATABASE WPI Week 8704, Derwent Publications Ltd., London, GB; AN 87-047397 & JP-A-62 005 939 (MITSUI TOATSU CHEM. INC.) 12. Januar 1987, & JP62005939 A 00000000
 [A]  - CHEMICAL ABSTRACTS, vol. 115, no. 18, 4. November 1991, Columbus, Ohio, US; abstract no. 185761h, H. KOYAMA ET AL. 'Purification of 1-aminopropanediol' Seite 135 ;
 [AD]  - A. KLEEMANN, R. WAGNER 'Glycidol, Properties reaction and applications' , DR. ALFRED HüTHIG VERLAG , HEIDELBERG
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.