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Process For Preparing A Polyether Polyol With A High Ethylene Oxide Content - EP3707192

The patent EP3707192 was granted to Shell Internationale Research Maatschappij on Jun 7, 2023. The application was originally filed on Nov 5, 2018 under application number EP18796941A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3707192

SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ
Application Number
EP18796941A
Filing Date
Nov 5, 2018
Status
Granted And Under Opposition
May 5, 2023
Grant Date
Jun 7, 2023
External Links
Slate, Register, Google Patents

Patent Summary

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HERRERO & ASOCIADOSMar 7, 2024HERRERO & ASOCIADOSWITHDRAWN

Patent Citations (10) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONUS2011230581
DESCRIPTIONWO0180994
INTERNATIONAL-SEARCH-REPORTUS2011230581
INTERNATIONAL-SEARCH-REPORTWO2016209677
INTERNATIONAL-SEARCH-REPORTWO2017032768
OPPOSITIONEP0876416
OPPOSITIONEP2547714
OPPOSITIONUS6617419
OPPOSITIONUS6884826
OPPOSITIONWO2017003749

Non-Patent Literature (NPL) Citations (2) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Anonymous, "Flexible Polyurethane Foam: A Primer", Polyurethane Foam Association, (20210101), vol. 1, no. 1, pages 1 - 8, XP093171319-
OPPOSITION- Huang Yi-Jun, Qi Guo-Rong; Chen Guan-Xi, "Random copolymer of propylene oxide and ethylene oxide prepared by double metal cyanide complex catalyst ", Chinese Journal of Polymer Science, (20020101), vol. 20, no. 5, pages 453 - 459, XP093171299-

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Dossier Documents

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