IP Verse

Mixed Carbon Length Synthesis Of Primary Guerbet Alcohols - EP2970752

The patent EP2970752 was granted to Chevron USA on Dec 13, 2017. The application was originally filed on Feb 25, 2014 under application number EP14709839A. The patent is currently recorded with a legal status of "Revoked".

EP2970752

CHEVRON USA
Application Number
EP14709839A
Filing Date
Feb 25, 2014
Status
Revoked
Mar 11, 2022
Publication Date
Dec 13, 2017
External Links
Slate, Register, Google Patents

Patent Summary

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SASOL GERMANYSep 12, 2018MULLER SCHUPFNER & PARTNER PATENT UND RECHTSANWALTSPARTNERSCHAFT MBB MUC -

Patent Citations (21) New

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

Citation PhasePublication Number
DESCRIPTIONUS2757139
DESCRIPTIONUS4518810
DESCRIPTIONUS5298038
DESCRIPTIONUS5387374
DESCRIPTIONUS5717119
DESCRIPTIONUS6060443
DESCRIPTIONUS7770641
DESCRIPTIONUS8211837
INTERNATIONAL-SEARCH-REPORTEP0037542
INTERNATIONAL-SEARCH-REPORTUS2009279281
INTERNATIONAL-SEARCH-REPORTUS2011263467
INTERNATIONAL-SEARCH-REPORTWO2013060622
INTERNATIONAL-SEARCH-REPORTWO2013060623
INTERNATIONAL-SEARCH-REPORTWO2013060670
INTERNATIONAL-SEARCH-REPORTWO2013120757
OPPOSITIONUS4518810
OPPOSITIONUS7119125
OPPOSITIONWO2011054483
OPPOSITIONWO2011130310
OPPOSITIONWO2011131549
OPPOSITIONWO2013060623

Non-Patent Literature (NPL) Citations (7) New

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

Citation PhaseReference Text
DESCRIPTION- ANTHONY J.; O'LENICK, JR, A REVIEW OF GUERBET CHEMISTRY
INTERNATIONAL-SEARCH-REPORT- Goetz Lachmann, "Sasol Olefins & Surfactants ISOFOL C12-C32 Defined Branched Guerbet Alcohols", (20031001), pages 1 - 12, URL: http://www.sasol.com, (20120703), XP055031579 [X] 1 * the whole document *
OPPOSITION- G. HIRASAKI et al., "Surface Chemistry of Oil Recovery From Frac- tured, Oil-Wet, Carbonate Formation", SPE 80988 in Society of Petroleum Engineers, International Symposium on Oilfield Chemistry, Houston, (20030205), pages 1 - 12, XP055519962
OPPOSITION- G. J. HIRASAKI et al., "Surfactant Based Enhanced Oil Recovery and Foam Mobility Control (DE-FC26-03NT15406)", (20040700), pages 1 - 102, XP055056996
OPPOSITION- Y. WU et al., "Branched Alkyl Alcohol Propoxylated Sulfate Surfactants for Improved Oil Recovery", Tenside Surfactants Detergents, (20100500), vol. 47, no. 3, pages 152 - 161, XP001553430
OPPOSITION- S. IGLAUER et al., "New surfactant classes for enhanced oil recovery and their tertiary oil recovery potential", Journal of Petroleum Science and Engineering, (20100000), vol. 71, pages 23 - 29, XP026924422
OPPOSITION- C. K. SUNWOO et al., "Optimal Surfactant Structures for Cosurfac- tant-Free Microemulsion Systems, I. C16 and C14 Guerbet Alcohol Hydro- phobes", DISPERSION SCIENCE AND TECHNOLOGY, (19920000), vol. 13, no. 5, pages 491 - 514, XP008160557

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