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Hydroxyalkyl Alkyl Cellulose, Method For Producing The Same, And Solid Preparation - EP3308774

The patent EP3308774 was granted to Shin Etsu Chemical on Mar 9, 2022. The application was originally filed on Oct 6, 2017 under application number EP17195311A. The patent is currently recorded with a legal status of "Revoked".

EP3308774

SHIN ETSU CHEMICAL
Application Number
EP17195311A
Filing Date
Oct 6, 2017
Status
Revoked
Feb 28, 2025
Publication Date
Mar 9, 2022
External Links
Slate, Register, Google Patents

Patent Summary

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DUPONT NUTRITION BIOSCIENCES APSDec 8, 2022F & E PATENTADMISSIBLE

Patent Citations (17) New

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

Citation PhasePublication Number
DESCRIPTIONJP2010254756
DESCRIPTIONJP2010523688
DESCRIPTIONJP2014510137
DESCRIPTIONJPH06316535
DESCRIPTIONWO2008127794
DESCRIPTIONWO2012138529
OPPOSITIONEP2412370
OPPOSITIONEP2754673
OPPOSITIONEP2837638
OPPOSITIONEP2907508
OPPOSITIONEP3309179
SEARCHGB1139519
SEARCHUS4734285
SEARCHUS6235893
SEARCHWO0032637
SEARCHWO2012138532
SEARCHWO2014052213

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 Text
DESCRIPTION- Japanese Pharmacopoeia Seventeenth Edition
DESCRIPTION- "Loss on Drying Test", Japanese Pharmacopoeia Seventeenth Edition
OPPOSITION- Anonymous, "De-inking system for clinical trial materials evaluation of direct-compression HPMC formulating with low-viscosity HPCS", Tablets Capsules, (20141000), vol. 12, no. 7, pages 1 - 19, XP093011463
OPPOSITION- Anonymous, "Hypromellose Metolose SR", SHIN ETSU Brochure, (20050500), pages 1 - 18, XP093011459
OPPOSITION- Anonymous, "USP Hypromellose Metolose SR", Waybacktracker SHIN ETSU, (20101100), pages 1 - 5, XP093011460
OPPOSITION- Wwardhana Yoga, "Kinetic Study of extended release of Theophylline caplet with different brands Hypromellose matrix", Bulletin of Pharmaceutical Research, (20160000), vol. 6, no. 1, pages 1 - 7, XP093011461
SEARCH- COFFEY D G ET AL, CHAPTER 5: Cellulose and Cellulose Derivatives, FOOD POLYSACCHARIDES AND THEIR APPLICAT, MARCEL DEKKER, INC, NEW YORK, US, PAGE(S) 123 - 153, (19950101), ISBN 978-0-8247-9353-1, XP009124158 [Y] 7 * page 127, paragraph A *
SEARCH- HARWOOD R J ED - KIBBE ARTHUR H, Hydroxypropyl Methylcellulose, HANDBOOK OF PHARMACEUTICAL EXCIPIENTS, AMERICAN PHARMACEUTICAL ASSOCIATION, WASHINGTON, D.C, PAGE(S) 252 - 255, (20000101), ISBN 978-0-917330-96-4, XP002740678 [A] 1 * the whole document *
SEARCH- WEILI YU ET AL, "Prediction of bulk powder flow performance using comprehensive particle size and particle shape distributions", JOURNAL OF PHARMACEUTICAL SCIENCES, (20110122), vol. 100, no. 1, doi:10.1002/jps.22254, ISSN 0022-3549, pages 284 - 293, XP055091335 [A] 1 * abstract *

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