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: EP0050780

EP0050780 - Isocyanato-oxazolinones, method for the preparation of oxazolidin-2-one rings containing plastics precursors, and their use in the preparation of high-molecular plastics [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  25.10.1984
Database last updated on 03.10.2024
Most recent event   Tooltip25.10.1984No opposition filed within time limitpublished on 27.12.1984 [1984/52]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1982/18]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Rasshofer, Werner, Dr.
Wolfskaul 10
D-5000 Köln 80 / DE
02 / Grögler, Gerhard, Dr.
von-Diergardt-Strasse 46
D-5090 Leverkusen / DE
03 / Meyborg, Holger, Dr.
Bergisch-Gladbacher-Strasse 1
D-5068 Odenthal / DE
[1982/18]
Application number, filing date81108195.912.10.1981
[1982/18]
Priority number, dateDE1980303992923.10.1980         Original published format: DE 3039929
[1982/18]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0050780
Date:05.05.1982
Language:DE
[1982/18]
Type: B1 Patent specification 
No.:EP0050780
Date:28.12.1983
Language:DE
[1983/52]
Search report(s)(Supplementary) European search report - dispatched on:EP02.02.1982
ClassificationIPC:C07D263/58, C07D263/60, C07D263/62, C08G59/40, C08G18/78, C08G73/00
[1982/18]
CPC:
C07D263/58 (EP); C07D263/60 (EP); C07D263/62 (EP);
C08G18/714 (EP)
Designated contracting statesBE,   DE,   FR,   GB,   IT [1982/18]
TitleGerman:Isocyanato-oxazolinone, ein Verfahren zur Herstellung von Oxazolin-2-on-Ringe aufweisenden Kunststoffvorläufern und deren Verwendung zur Herstellung von hochmolekularen Kunststoffen[1982/18]
English:Isocyanato-oxazolinones, method for the preparation of oxazolidin-2-one rings containing plastics precursors, and their use in the preparation of high-molecular plastics[1982/18]
French:Isocyanatooxazolinones, procédé pour la préparation de précurseurs de matières plastiques présentant le système cyclique d'oxazolinone-2 et leur utilisation pour la préparation de matières plastiques de poids moléculaire élevé[1982/18]
Examination procedure12.10.1981Examination requested  [1982/18]
12.10.1982Despatch of a communication from the examining division (Time limit: M04)
08.11.1982Reply to a communication from the examining division
08.03.1983Despatch of communication of intention to grant (Approval: )
13.06.1983Communication of intention to grant the patent
22.06.1983Fee for grant paid
22.06.1983Fee for publishing/printing paid
Opposition(s)29.09.1984No opposition filed within time limit [1984/52]
Fees paidRenewal fee
28.09.1983Renewal 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:SearchDE2429562  [ ] (INST NAT SANTE RECH MED);
 DE105230  [ ];
 DE1595417  [ ]
ExaminationDD105230
    - C.A. 88(1978) Nr. 38384h
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.