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: EP0358021

EP0358021 - Process for the preparation of polyurethane foams [Right-click to bookmark this link]
StatusThe application has been refused
Status updated on  28.05.1993
Database last updated on 16.11.2024
Most recent event   Tooltip28.05.1993Refusal of applicationpublished on 21.07.1993 [1993/29]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1990/11]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Haas, Peter, Dr.
Zwengenberger Strasse 43
D-56 57 Haan 1 / DE
02 / Hettel, Hans, Dr.
Jägerstrasse 20
D-5064 Rösrath-Forsbach / DE
03 / Ruckes, Andreas, Dr.
Herderstrasse 13
D-5090 Leverkusen 3 / DE
[1990/11]
Application number, filing date89115326.419.08.1989
[1990/11]
Priority number, dateDE1988382995803.09.1988         Original published format: DE 3829958
[1990/11]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0358021
Date:14.03.1990
Language:DE
[1990/11]
Type: A3 Search report 
No.:EP0358021
Date:12.12.1990
Language:DE
[1990/50]
Search report(s)(Supplementary) European search report - dispatched on:EP24.10.1990
ClassificationIPC:C08G18/38, C08G18/65, C08G18/40, C08G18/63, C08K5/16, C08K5/20, C08K5/21, C08J9/00, // (C08G18/38, 101:00)
[1990/11]
CPC:
C08J9/0028 (EP,US); C08G18/3823 (EP,US); C08G18/3838 (EP,US);
C08G18/3848 (EP,US); C08G18/40 (EP,US); C08G18/409 (EP,US);
C08G18/632 (EP,US); C08K5/20 (EP,US); C08K5/21 (EP,US);
C08K5/315 (EP,US); C08G2110/0083 (EP,US); C08J2375/04 (EP,US) (-)
C-Set:
C08K5/20, C08L75/04 (EP,US);
C08K5/21, C08L75/04 (US,EP);
C08K5/315, C08L75/04 (US,EP)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   IT,   LI,   NL,   SE [1990/11]
TitleGerman:Verfahren zur Herstellung von Polyurethanschaumstoffen[1990/11]
English:Process for the preparation of polyurethane foams[1990/11]
French:Procédé de préparation de mousses de polyuréthane[1990/11]
File destroyed:12.06.1999
Examination procedure19.08.1989Examination requested  [1990/11]
21.05.1992Despatch of a communication from the examining division (Time limit: M04)
26.06.1992Reply to a communication from the examining division
10.08.1992Despatch of a communication from the examining division (Time limit: M04)
30.11.1992Reply to a communication from the examining division
29.12.1992Despatch of a communication from the examining division (Time limit: M02)
05.02.1993Reply to a communication from the examining division
22.02.1993Despatch of communication that the application is refused, reason: substantive examination [1993/29]
05.03.1993Application refused, date of legal effect [1993/29]
Fees paidRenewal fee
28.12.1990Renewal fee patent year 03
15.07.1992Renewal fee patent year 04
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]FR2279797  (DUNLOP LTD [GB]);
 [XP]EP0312920  (BASF CORP [US]);
 [A]EP0199021  (FIRESTONE TIRE & RUBBER CO [US]);
 [A]GB2178745  (BAYERN CHEMIE GMBH FLUGCHEMIE);
 [A]DE1115447  (AKAD WISSENSCHAFTEN DDR)
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.