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Method Of Preparing Of 60% Or More Cis-Di(C4-C20)Alkyl Cyclohexane-1,4-Dicarboxylate - EP2344443

The patent EP2344443 was granted to Hanwha Chemical on Sep 18, 2019. The application was originally filed on Oct 16, 2009 under application number EP09820788A. The patent is currently recorded with a legal status of "Revoked".

EP2344443

HANWHA CHEMICAL
Application Number
EP09820788A
Filing Date
Oct 16, 2009
Status
Revoked
Nov 1, 2024
Grant Date
Sep 18, 2019
External Links
Slate, Register, Google Patents

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EVONIK OPERATIONSJun 16, 2020GODEMEYER BLUM LENZE PATENTANWALTE PARTNERSCHAFT MBB WERKPATENTADMISSIBLE

Patent Citations (18) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONKR100635396B
DESCRIPTIONUS2005049341
DESCRIPTIONWO0078704
INTERNATIONAL-SEARCH-REPORTKR100635396B
OPPOSITIONDE10116812
OPPOSITIONDE10146847
OPPOSITIONDE10146869
OPPOSITIONUS2005038285
OPPOSITIONUST864003I
OPPOSITIONWO0078704
OPPOSITIONWO03029168
OPPOSITIONWO03103830
SEARCHUS2002132963
SEARCHUS2005049341
SEARCHUS5614486
SEARCHUS5986040
SEARCHWO0078704
SEARCHWO0196274

Non-Patent Literature (NPL) Citations (4) 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
INTERNATIONAL-SEARCH-REPORT- TANAKA NOBUO ET AL., "Selectivity of 2-(1-Pyrenyl)ethylsilylated Silica Gel in the Isomer Separation of Cyclohexane Derivatives", JOURNAL OF CHROMATOGRAPH IC SCIENCE., (1989), vol. 27, pages 735 - 740, XP008145894-
OPPOSITION- Anonymous, "Technical Data Sheet Eastman™ DMCD", Eastman Chemical Company, (20180404), pages 1 - 2, XP055712816-
SEARCH- "BIS(2,2-DIMETHYL-3-HYDROXYPROPYL) ESTERS OF 1,4-, 1,3- AND 1,2-CYCLOHEXANEDICARBOXYLIC ACIDS", RESEARCH DISCLOSURE, MASON PUBLICATIONS, HAMPSHIRE, GB, (1993), no. 356, ISSN 0374-4353, pages 818 - 821, XP000425421 [X] 1-15 * the whole document *-
SEARCH- KONIGSBERGER K ET AL, "Separation of cis/trans-cyclohexanecarboxylates by enzymatic hydrolysis: preference for diequatorial isomers", TETRAHEDRON LETTERS, PERGAMON, GB, (19961209), vol. 37, no. 50, doi:10.1016/S0040-4039(96)02120-X, ISSN 0040-4039, pages 9029 - 9032, XP004070549 [Y] 1-13 * Table 1, entries 1f; pages 9031-9032, Experimental *

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