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Polyether Carbonate Polyols Made Via Double Metal Cyanide (Dmc) Catalysis - EP2046861

The patent EP2046861 was granted to Bayer Materialscience on Jan 23, 2019. The application was originally filed on Jul 19, 2007 under application number EP07796940A. The patent is currently recorded with a legal status of "Revoked".

EP2046861

BAYER MATERIALSCIENCE
Application Number
EP07796940A
Filing Date
Jul 19, 2007
Status
Revoked
Jan 7, 2022
Grant Date
Jan 23, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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ECONICOct 23, 2019APPLEYARD LEESADMISSIBLE
REPSOLOct 23, 2019ZBM PATENTS ZEAADMISSIBLE

Patent Citations (25) New

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

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OPPOSITIONEP1866359
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OPPOSITIONUS2001046940
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OPPOSITIONUS4826953
OPPOSITIONUS5470813
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OPPOSITIONUS6670406
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OPPOSITIONWO2012156431
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Non-Patent Literature (NPL) Citations (9) 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- HEROLD R. J. et al., "HEXACYANOMETALATE SALT COMPLEXES AS CATALYSTS FOR EPOXIDE POLYMERIZATIONS", Advances in chemistry Series, (19730000), vol. 13, no. 1, pages 208 - 229, XP009153882-
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, (20060000), vol. 111, pages 292 - 296, XP005267956-
OPPOSITION- KIM et al., "Biodegradable Polycarbonate Synthesis by Copolymerization of Carbon Dioxide with Epoxides Using a Heterogenous Zinc Complex", Macromol. Symp., (20050000), vol. 224, pages 181 - 191, XP055652146-
OPPOSITION- CHEN et al., "Copolymerisation of carbon dioxide and propylene oxide with highly effective zinc hexacyanocobaltate(III)-based coordination catalyst", Polymer, (20040000), vol. 45, pages 6519 - 6524, XP004602664
OPPOSITION- CHEN S et al., "Copolymerization of carbon dioxide and propylene oxide with highly effective zinc hexacyanocobaltate(III)-based coordination catalyst", Polymer, (20040000), vol. 45, pages 6519 - 6524, XP004602664
OPPOSITION- HUANG et al., "Effects of morphology and composition on catalytic performance of double metal cyanide complex catalyst", Applied Catalysis A: General, (20030000), vol. 240, pages 263 - 271, XP004405746
OPPOSITION- HUANG J. H. et al., "Effects of morphology and composition on catalytic performance of double metal cyanide complex catalyst", Applied Catalysis A: General, (20030000), vol. 240, pages 263 - 271, XP004405746
OPPOSITION- O'CONNOR et al., "New DMC Catalysts for Manufacturing Polyols", Polyurethanes Expo,, (20010930), pages 227 - 237, XP055651291
OPPOSITION- O'CONNOR J. M. et al., "New DMC Catalysts for Manufacturing Polyols", Polyurethanes Expo, (20010930), pages 227 - 237, XP055651291

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Dossier Documents

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