IP Verse

Use Of Polyols To Obtain Stable Polymorphous Forms Of Rifaximin - EP2059232

The patent EP2059232 was granted to Alfasigma on Apr 19, 2017. The application was originally filed on Jul 31, 2007 under application number EP07804680A. The patent is currently recorded with a legal status of "Revoked".

EP2059232

ALFASIGMA
Application Number
EP07804680A
Filing Date
Jul 31, 2007
Status
Revoked
Feb 7, 2025
Grant Date
Apr 19, 2017
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

Patent Oppositions (3)

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PENTAFARMAJan 19, 2018PATENTREEADMISSIBLE
SANDOZJan 19, 2018TER MEER STEINMEISTER & PARTNERADMISSIBLE
POLPHARMAJan 18, 2018ISARPATENTADMISSIBLE

Patent Citations (19) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTEP1676847
INTERNATIONAL-SEARCH-REPORTWO2006094737
OPPOSITIONEP0155421
OPPOSITIONEP0547294
OPPOSITIONEP0616808
OPPOSITIONEP1557421
OPPOSITIONEP1676847
OPPOSITIONEP1874273
OPPOSITIONEP2059232
OPPOSITIONGB2079270
OPPOSITIONITMI20061692
OPPOSITIONUS2002107200
OPPOSITIONUS2005101598
OPPOSITIONUS2005272754
OPPOSITIONWO2005000123
OPPOSITIONWO2005044823
OPPOSITIONWO2006008512
OPPOSITIONWO2006094737
OPPOSITIONWO2008029208

Non-Patent Literature (NPL) Citations (16) 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
EXAMINATION- SPC (Summary of product characteristics) of the market product Normix in Czech.-
EXAMINATION- SPC (Summary of product characteristics) of the market product Normix in Italy.-
INTERNATIONAL-SEARCH-REPORT- KIBBE ARTHUR H., Handbook of Pharmaceutical Excipients, USA, AMERICAN PHARMACEUTICAL ASSOCIATION AND PHARMACEUTICAL PRESS, (2000), XP002461298 [Y] 1-15 * page 165, item 6 page 442, item 6 *-
INTERNATIONAL-SEARCH-REPORT- URESTI R M ET AL, "Effect of sugars and polyols on the functional and mechanical properties of pressure-treated arrowtooth flounder (Atheresthes stomias) proteins", FOOD HYDROCOLLOIDS, ELSEVIER, (200511), vol. 19, no. 6, ISSN 0268-005X, pages 964 - 973, XP004932158 [Y] 1-15 * page 971, right-hand column, last paragraph - page 972, left-hand column, first paragraph *
INTERNATIONAL-SEARCH-REPORT- LI Q ET AL, "Solvothermal growth of vaterite in the presence of ethylene glycol, 1,2-propanediol and glycerin", JOURNAL OF CRYSTAL GROWTH, NORTH-HOLLAND PUBLISHING, AMSTERDAM, NL, (200203), vol. 236, no. 1-3, ISSN 0022-0248, pages 357 - 362, XP004339690 [Y] 1-15 * page 362, column LEFT, paragraph LAST *
OPPOSITION- "Cellulose", Wikipedia, (20180107), XP055454522-
OPPOSITION- "Cyclodextrins", Raymond c rowe et al, Handbook of Pharmaceutical excipients, (20060000), pages 217 - 221, XP055454518-
OPPOSITION- ICH Expert Working Group, "ICH HARMONISED TRIPARTITE GUIDELINE - SPECIFICATIONS: TEST PROCEDURES AND ACCEPTANCE CRITERIA FOR NEW DRUG SUBSTANCES AND NEW DRUG PRODUCTS: CHEMICAL SUBSTANCES Q6A", INTERNATIONAL CONFERENCE ON HARMONISATION OF TECHNICAL REQUIREMENTS FOR REGISTRATION OF PHARMACEUTICALS FOR HUMAN USE, (19991006), XP055268664-
OPPOSITION- "kapitel 1 and 9", W. A. RITSCHEL, der pharmazeutische betrieb, (20020000), page 28,584, XP055454514-
OPPOSITION- Partial EN translation of TM8-
OPPOSITION- "Rifaximin", Wikipedia, (20171231), XP055454521-
OPPOSITION- SPC of Normix in the Czech Republic, (20030000), XP055360378-
OPPOSITION- URESTI et al., "Effect of sugars and polyols on the functional and mechanical properties...", Food Hydrocolloids, (20050000), vol. 19, no. 6, pages 964 - 973, XP004932158
OPPOSITION- LI Q. ET AL, "Solvothermal growth of vaterite in the presence of ethylene glycol, 1,2-propanediol and glycerin", Journal of Crystal Growth, (20020000), vol. 236, pages 357 - 362, XP004339690
OPPOSITION- G. C. VISCOMI et al., "Crystal forms of rifaximin and their effect on pharmaceutical properties", CrystEngComm, (20080000), vol. 10, pages 1074 - 1081, XP009152378
OPPOSITION- Viscomi G C et al, "Crystal forms of rifaximin and their effect on pharmaceutical properties", CrystEngComm, (20080000), vol. 10, pages 1074 - 1081, XP009152378

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Dossier Documents

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