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Polyether Carbonate Polyols Made Via Double Metal Cyanide (Dmc) Catalysis - EP2239291

The patent EP2239291 was granted to Bayer Materialscience on Mar 9, 2022. The application was originally filed on Jul 19, 2007 under application number EP10007054A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2239291

BAYER MATERIALSCIENCE
Application Number
EP10007054A
Filing Date
Jul 19, 2007
Status
Patent Maintained As Amended
Feb 4, 2022
Grant Date
Mar 9, 2022
External Links
Slate, Register, Google Patents

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ECONICNov 27, 2019APPLEYARD LEESADMISSIBLE

Patent Citations (27) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONUS3404109
DESCRIPTIONUS3538043
DESCRIPTIONUS4500704
DESCRIPTIONUS4826953
DESCRIPTIONUS5145883
DESCRIPTIONUS5482908
DESCRIPTIONUS5777177
DESCRIPTIONUS5783513
DESCRIPTIONUS6713599
DESCRIPTIONUS6762278
OPPOSITIONUS2001046940
OPPOSITIONUS4826953
OPPOSITIONUS5482908
OPPOSITIONUS5712216
OPPOSITIONUS5777177
OPPOSITIONUS5783513
OPPOSITIONUS6762278
OPPOSITIONWO2004087788
OPPOSITIONWO2006103213
OTHERUS5482908
OTHERUS5783513
OTHERWO9916775
SEARCHUS4500704
SEARCHUS4826953
SEARCHUS6713599
SEARCHWO03029240
SEARCHWO2006103214

Non-Patent Literature (NPL) Citations (6) 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
DESCRIPTION- KUYPER; BOXHORN, JOURNAL OF CATALYSIS, (1987), vol. 105, pages 163 - 174-
DESCRIPTION- S CHEN, J. POLYMER, (2004), vol. 45, no. 19, pages 6519 - 6524-
OPPOSITION- HUANG et al., "Effects of morphology and composition on catalytic performance of double metal cyanide complex catalyst", Applied Catalysis A: General, (20030000), page 240, XP04405746-
OPPOSITION- KIM et al., "Biodegradable Polycarbonate Synthesis by Copolymerization of Carbon Dioxide with Epoxides Using a Heterogenous Zinc Complex", Macromol. Symp., (20050000), XP055652146-
OPPOSITION- KIM et al., "Aliphatic polycarbonate synthesis by copolymerization of carbon dioxide with epoxides over double metal cyanide catalysts prepared by using ZnX2 (X= F, Cl, Br, I", Catalysis Today, vol. 111, no. 2006, (20051215), pages 292 - 296, XP025116747
OPPOSITION- CHEN et al., "Copolymerisation of carbon dioxide and propylene oxide with highly effective zinc hexacyanocobaltate(III)-based coordination catalyst", Polymer, (20040000), vol. 45, doi:10.1016/j.polymer.2004.07.044, XP004602664

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Dossier Documents

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