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Process For Preparing High Purity And Crystalline Dimethyl Fumarate - EP2718257

The patent EP2718257 was granted to Biogen Idec MA on Nov 15, 2017. The application was originally filed on Jun 8, 2012 under application number EP12796164A. The patent is currently recorded with a legal status of "Revoked".

EP2718257

BIOGEN IDEC MA
Application Number
EP12796164A
Filing Date
Jun 8, 2012
Status
Revoked
Apr 3, 2020
Grant Date
Nov 15, 2017
External Links
Slate, Register, Google Patents

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HEXALAug 14, 2018KALHAMMER -

Patent Citations (7) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTUS2002002306
INTERNATIONAL-SEARCH-REPORTUS2764609
INTERNATIONAL-SEARCH-REPORTUS3078302
INTERNATIONAL-SEARCH-REPORTUS4827022
OPPOSITIONWO2012170923
SEARCHCN1103398
SEARCHUS2006089505

Non-Patent Literature (NPL) Citations (11) 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- WEI et al., "Research on the Synthesis of Dimethyl Fumarate", Guangxi Huagong (Guangxi Chemical Industry), (19980000), vol. 27, no. 1, pages 27 - 29 , 32, XP055512513-
OPPOSITION- Y. TACHIBANA et al., "Chemical Synthesis of Fully Biomass-Based Poly(butylene succinate) from Inedible-Biomass-Based Furfural and Evaluation of Its Biomass Carbon Ratio", Biomacromolecules, (20100000), vol. 11, pages 27 60 - 2765, XP055220803
OTHER- HOWARD C. ANSEL ET AL, PHARMACEUTICAL DOSAGE FORMS AND DRUG DELIVERY SYSTEMS, 7TH ED., LIPPINCOTT WILLIAMS & WILKINS, (19991001), page 66, ISBN 0683305727, XP003035814-
OTHER- RUDOLF VOIGT, PHARMACEUTICAL TECHNOLOGIE FÜR STUDIUM UND BERUF, ULLSTEIN MOSBY, (1995), page 65, XP003035815-
OTHER- SIEGFRIED, "BEHIND THE SCENES", NEWSLETTER ISSUE 3/05, (200503), URL: HTTP://WWW.SIEGFRIED.CH/FILEADMIN/USER/DOKUMENTE/NEWSLETTER/NEWSLETTER_2005-03.PDF, XP055194673-
OTHER- HUUB KOOIJMAN ET AL, "DIMETHYL FUMARATE", ACTA CRYSTALLOGRAPHICA SECTION E, (20040430), vol. 60, no. 5, doi:10.1107/S1600536804010177, pages O917 - O918, XP055139216
SEARCH- DATABASE WPI, 0, Derwent World Patents Index, vol. 1997, no. 27, Database accession no. 1997-289885, XP002735803 & CN1103398 A 19950607 (ZHANG Z) [X] 1-4 * abstract * * example 2 *-
SEARCH- HUANG, YONGMING ET AL, "Synthesis of dimethyl fumarate", CA, CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US, Database accession no. 1989:514725, URL: STN, XP002735802 [X] 1-4 * abstract *-
SEARCH- MA, HONGFEI, "Synthesis of dimethyl fumarate", CA, CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US, Database accession no. 2006:723997, URL: STN, XP002735800 [X] 1-4 * abstract *-
SEARCH- WEI, FANG ET AL, "Synthesis of dimethyl fumarate", CA, CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US, Database accession no. 1998:355979, URL: STN, XP002735801 [X] 1-4 * abstract *-
SEARCH- JACK RADELL ET AL, "Effect of cis-trans Isomerism on the Urea Inclusion Compound Forming Ability of a Molecule; Study of the Maleate-Fumarate System", THE JOURNAL OF ORGANIC CHEMISTRY, (19610801), vol. 26, no. 8, doi:10.1021/jo01066a080, ISSN 0022-3263, pages 2960 - 2963, XP055168917 [X] 1-4 * page 2963, column 1, paragraph 1 *

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