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

Extract from the Register of European Patents

EP About this file: EP0023749

EP0023749 - Method and apparatus for the manufacture of flexible polyurethane foam articles [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  13.02.1985
Database last updated on 24.08.2024
Most recent event   Tooltip13.02.1985Revocation of patentpublished on 17.04.1985 [1985/16]
Applicant(s)For all designated states
IMPERIAL CHEMICAL INDUSTRIES PLC
Imperial Chemical House, Millbank
London SW1P 3JF / GB
[1981/06]
Inventor(s)01 / Woods, George
33 Parsonage Road
Withington, Manchester 20 / GB
[1981/06]
Representative(s)Houghton, Malcolm John, et al
ICI Group Patents Services Dept. PO Box 6 Shire Park Bessemer Road
Welwyn Garden City, Herts, AL7 1HD / GB
[N/P]
Former [1981/06]Houghton, Malcolm John, et al
ICI Group Patents Services Dept. PO Box 6 Shire Park Bessemer Road
Welwyn Garden City Herts, AL7 1HD / GB
Application number, filing date80301526.209.05.1980
[1981/06]
Priority number, dateGB1979002298802.07.1979         Original published format: GB 7922988
[1981/06]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0023749
Date:11.02.1981
Language:EN
[1981/06]
Type: B1 Patent specification 
No.:EP0023749
Date:06.07.1983
Language:EN
[1983/27]
Search report(s)(Supplementary) European search report - dispatched on:EP28.11.1980
ClassificationIPC:C08G18/08, B29D27/00, C08G18/76
[1981/06]
CPC:
B29C44/3403 (EP); C08G18/7664 (EP); B29C33/10 (EP);
B29C37/006 (EP); B29K2075/00 (EP)
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL [1981/06]
TitleGerman:Verfahren und Apparat zur Herstellung von Artikeln aus flexiblem Polyurethanschaum[1981/06]
English:Method and apparatus for the manufacture of flexible polyurethane foam articles[1981/06]
French:Procédé et appareil pour la préparation d'articles en mousse de polyuréthane flexible[1981/06]
Examination procedure06.03.1981Examination requested  [1981/20]
05.01.1982Despatch of a communication from the examining division (Time limit: M04)
27.04.1982Reply to a communication from the examining division
05.10.1982Despatch of communication of intention to grant (Approval: )
05.01.1983Communication of intention to grant the patent
17.01.1983Fee for grant paid
17.01.1983Fee for publishing/printing paid
Opposition(s)Opponent(s)01  09.12.1983  20.01.1984  ADMISSIBLE
Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern
Bayerwerk
D-51368 Leverkusen / DE
 02  18.01.1984  05.03.1984  ADMISSIBLE
BASF Aktiengesellschaft
-Patentabteilung - C6- Carl-Bosch-Strasse 38
D-67056 Ludwigshafen / DE
 [N/P]
Former [1984/13]
Opponent(s)01  09.12.1983  20.01.1984  ADMISSIBLE
Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern
Bayerwerk
D-51368 Leverkusen / DE
 02  18.01.1984  05.03.1984  ADMISSIBLE
BASF Aktiengesellschaft, Ludwigshafen
-Patentabteilung - C6- Carl-Bosch-Strasse 38
D-67056 Ludwigshafen / DE
Former [1984/07]
Opponent(s)01  09.12.1983  20.01.1984  ADMISSIBLE
Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern
Bayerwerk
D-51368 Leverkusen / DE
09.05.1984Invitation to proprietor to file observations on the notice of opposition
08.09.1984Reply of patent proprietor to notice(s) of opposition
18.09.1984Despatch of communication that the patent will be revoked
29.09.1984Legal effect of revocation of patent [1985/16]
Fees paidRenewal fee
03.04.1982Renewal fee patent year 03
12.04.1983Renewal 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[A]JP52047896  ;
 [A]DE2613719  ;
 [A]DE2647482
 [A]  - PATENTS ABSTRACTS OF JAPAN Vol. 1, No. 84, 6 August 1977, page 1800C77 & JP-A-52 047896., & JP52047896 A 19770806
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.