IP Verse

Risperidone Sustained Release Microsphere Composition - EP3566696

The patent EP3566696 was granted to Geneora Pharma Shijiazhuang on Oct 7, 2020. The application was originally filed on Apr 10, 2012 under application number EP19176691A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP3566696

GENEORA PHARMA SHIJIAZHUANG
Application Number
EP19176691A
Filing Date
Apr 10, 2012
Status
Opposition Rejected
Feb 10, 2023
Publication Date
Oct 7, 2020
External Links
Slate, Register, Google Patents

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ALKERMES PHARMA IRELANDJul 7, 2021ATKINS -

Patent Citations (5) New

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

Citation PhasePublication Number
DESCRIPTIONCN101653422
DESCRIPTIONCN1137756
OPPOSITIONCN101653422
OPPOSITIONEP0058481
OPPOSITIONWO2008142153

Non-Patent Literature (NPL) Citations (17) 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- CHEN GUOGUANGTANG JUN et al., "study on risperidone biodegradable microspheres", Journal of China Pharmaceutical University, (20060000), vol. 37, no. 6, pages 512 - 515
DESCRIPTION- CHEN QINGHUACHEN GANG et al., "pharmacokinetic characteristics and clinical application of risperidone long-acting injection", Chinese Pharmacy, (20060000), vol. 15, no. 15, pages 1235 - 1238
OPPOSITION- Sigma-Aldrich product specification for Resomer® RG 502H, (Poly(D,L-lactide-co-glycolide
OPPOSITION- Sigma-Aldrich specification sheet for Poly(D,L-lactide-co- glycolide)-lactide:glycolide, vol. 75, page 25
OPPOSITION- Sridhar Duvvuri ; Kumar Gaurav Janoria ; Ashim K. Mitra, "Effect of Polymer Blending on the Release of Ganciclovir from PLGA Microspheres", PHARMACEUTICAL RESEARCH, Kluwer Academic Publishers-Plenum Publishers, NL, NL , (20060101), vol. 23, no. 1, doi:10.1007/s11095-005-9042-6, ISSN 1573-904X, pages 215 - 223, XP019370959
OPPOSITION- Bodmeier, R. ; Oh, K.H. ; Chen, H., "The effect of the addition of low molecular weight poly(dl-lactide) on drug release from biodegradable poly(dl-lactide) drug delivery systems", INTERNATIONAL JOURNAL OF PHARMACEUTICS, ELSEVIER, NL, NL , (19890401), vol. 51, no. 1, doi:10.1016/0378-5173(89)90068-9, ISSN 0378-5173, pages 1 - 8, XP023735901
OPPOSITION- Richard A Graves, Sarala Pamujula, Raisa Moiseyev, Thomas Freeman, Levon A Bostanian, Tarun K Mandal, "Effect of different ratios of high and low molecular weight PLGA blend on the characteristics of pentamidine microcapsules", International Journal of Pharmaceutics, Elsevier, (20040201), vol. 270, no. 1-2, doi:10.1016/j.ijpharm.2003.10.019, ISSN 03785173, pages 251 - 262, XP055144798
OPPOSITION- Freiberg, S. Zhu, X.X., "Polymer microspheres for controlled drug release", INTERNATIONAL JOURNAL OF PHARMACEUTICS, ELSEVIER, NL, NL , (20040910), vol. 282, no. 1-2, doi:10.1016/j.ijpharm.2004.04.013, ISSN 0378-5173, pages 1 - 18, XP004543665
OPPOSITION- Wischke, C. ; Schwendeman, S.P., "Principles of encapsulating hydrophobic drugs in PLA/PLGA microparticles", INTERNATIONAL JOURNAL OF PHARMACEUTICS, ELSEVIER, NL, NL , (20081208), vol. 364, no. 2, doi:10.1016/j.ijpharm.2008.04.042, ISSN 0378-5173, pages 298 - 327, XP025669766
OPPOSITION- Blanco-Prieto, M.J. Campanero, M.A. Besseghir, K. Heimgatner, F. Gander, B., "Importance of single or blended polymer types for controlled in vitro release and plasma levels of a somatostatin analogue entrapped in PLA/PLGA microspheres", Journal of Controlled Release, Elsevier, AMSTERDAM, NL, AMSTERDAM, NL , (20040518), vol. 96, no. 3, doi:10.1016/j.jconrel.2004.02.015, ISSN 0168-3659, pages 437 - 448, XP004505677
OPPOSITION- ANDERSON J.M., SHIVE M S, "Biodegradation and biocompatiblity of PLA and PLGA microspheres", Advanced Drug Delivery Reviews, Elsevier, Amsterdam , NL, Amsterdam , NL , (19970101), vol. 28, doi:10.1016/S0169-409X(97)00048-3, ISSN 0169-409X, pages 5 - 24, XP002249688
OPPOSITION- Kimiko Makino, Et Al, "Pulsatile drug release from poly (lactide-co-glycolide) microspheres: how does the composition of the polymer matrices affect the time interval between the initial burst and the pulsatile release of drugs?", Colloids and Surfaces B: Biointerfaces, (20000101), vol. 19, doi:10.1016/S0927-7765(00)00148-X, pages 173 - 179, XP055695929
OPPOSITION- Zhengxing Su, Fengying Sun, Yanan Shi, Chaojun Jiang, Qingfan Meng, Lirong Teng, Youxin Li, "Effects of Formulation Parameters on Encapsulation Efficiency and Release Behavior of Risperidone Poly(D,L-lactide-co-glycolide) Microsphere", CHEMICAL & PHARMACEUTICAL BULLETIN, Pharmaceutical Society of Japan, (20091101), vol. 57, no. 11, doi:10.1248/cpb.57.1251, ISSN 00092363, pages 1251 - 1256, XP055144767
OPPOSITION- Zheng-Xing Su et al, "Biodegradable poly(D, L-lactide-co-glycolide) (PLGA) microspheres for sustained release of risperidone: Zero-order release formulation.", PHARMACEUTICAL DEVELOPMENT AND TECHNOLOGY, NEW YORK, NY, US, US , (20110801), vol. 16, no. 4, doi:10.3109/10837451003739297, ISSN 1083-7450, pages 377 - 384, XP008172604
SEARCH- LEI KONG, "Studies on Preparation and Release in Vitro of Risperidone Loaded Long-acting Injectable Microspheres", CHINA PHARMACIST, (20090101), vol. 12, no. 12, XP055215892 [I] 1-12 * abstract, figures 1-3 *
SEARCH- Su et al., "Biodegradable poly(D, L-lactide-co-glycolide) (PLGA) microspheres for sustained release of risperidone: Zero-order release formulation.", Pharm Dev Tech, (20100407), PubMed, URL: http://www.ncbi.nlm.nih.gov/pubmed/20370594, (20141008), XP002730743 [L] * first line on the top of the page; completes the disclosure of XP008172604 with respect to the online publication date *
SEARCH- ZHENG-XING SU ET AL, "Biodegradable poly(D, L-lactide-co-glycolide) (PLGA) microspheres for sustained release of risperidone: Zero-order release formulation", PHARMACEUTICAL DEVELOPMENT AND TECHNO, NEW YORK, NY, US, (20100407), vol. 16, no. 4, doi:10.3109/10837451003739297, ISSN 1083-7450, pages 377 - 384, XP008172604 [I] 1-12 * Table 1, batches 11 and 12 *

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