Oral Mucosa Application Material And Method For Producing Same - EP3492073

The patent EP3492073 was granted to Ritapharma on Apr 27, 2022. The application was originally filed on Jul 25, 2017 under application number EP17834328A. The patent is currently recorded with a legal status of "Revoked".

EP3492073

RITAPHARMA
Application Number
EP17834328A
Filing Date
Jul 25, 2017
Status
Revoked
Aug 18, 2023
Publication Date
Apr 27, 2022
External Links
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CONTIPROJan 27, 2023LUNZAROVAADMISSIBLE

Patent Citations (29) New

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

Citation PhasePublication Number
INTERNATIONAL-SEARCH-REPORTJP2000319167
INTERNATIONAL-SEARCH-REPORTJP2001163745
INTERNATIONAL-SEARCH-REPORTJP2005263759
INTERNATIONAL-SEARCH-REPORTJP2008295885
INTERNATIONAL-SEARCH-REPORTJP2012515035
INTERNATIONAL-SEARCH-REPORTJPS5441320
INTERNATIONAL-SEARCH-REPORTUS2009325861
INTERNATIONAL-SEARCH-REPORTWO2010013656
OPPOSITIONCZ28634U
OPPOSITIONJP2001163745
OPPOSITIONJPH05255124
OPPOSITIONKR20120053002
OPPOSITIONUS2007218285
OPPOSITIONUS2015037388
OPPOSITIONUS2016022644
OPPOSITIONWO0209637
OPPOSITIONWO2004043351
OPPOSITIONWO2008027904
OPPOSITIONWO2010083487
OPPOSITIONWO2012122956
OTHERCZ28634U
OTHERDE202016102375U
SEARCHCN104984390
SEARCHJP2000256189
SEARCHKR100885178B
SEARCHWO0209637
SEARCHWO2008027904
SEARCHWO2010083487
SEARCHWO2013139955

Non-Patent Literature (NPL) Citations (13) 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
OPPOSITION- Anonymous, "Dalton (UNIT)", DBpedia, (20230101), pages 1 - 18, DBpedia, URL: https://dbpedia.org/page/Dalton (unit) , (20230221), XP093025900
OPPOSITION- Yanaki Toshio, Yamaguchi Michihiro, "Shear-Rate Dependence of the Intrinsic Viscosity of Sodium Hyaluronate in 0.2M Sodium Chloride Solution", Chem. Pharm. Bull., (19940801), vol. 42, no. 8, pages 1651 - 1654, XP093025893
OPPOSITION- Stepan Podzimek et al, "Solution properties of hyaluronic acid and comparison of SEC‐MALS‐VIS data with off‐line capillary viscometry", Journal of Applied Polymer Science, John Wiley & Sons, Inc., US, US , (20100204), vol. 116, no. 5, doi:10.1002/app.31834, ISSN 0021-8995, pages 3013 - 3020, XP071309913
OPPOSITION- Collins Maurice N., Birkinshaw Colin, "Morphology of crosslinked hyaluronic acid porous hydrogels", Journal of Applied Polymer Science, John Wiley & Sons, Inc., US, US , (20110415), vol. 120, no. 2, doi:10.1002/app.33241, ISSN 0021-8995, pages 1040 - 1049, XP093025898
OPPOSITION- MALEKI et al., "Effect of pH on the Behavior of Hyaluronic Acid in Dilute and Semidilute Aqueous Solutions", Acta Biomaterialia, Macromol. Symp., (20080000), vol. 274, doi:10.1002/masy.200851418, pages 131 - 140, XP055284432
OPPOSITION- LAURENT et al., "Fractionation of Hyaluronic Acid", Biochim. Biophys. Acta, (19600000), vol. 42, doi:10.1016/0006-3002(60)90826-X, pages 476 - 485, XP023382851
OPPOSITION- SAETTONE et al., "Evaluation of muco-adhesive properties and in vivo activity of ophthalmic vehicles based on hyaluronic acid", International Journal of Pharmaceutics, (19890000), vol. 51, doi:10.1016/0378-5173(89)90193-2, pages 203 - 212, XP023735982
OPPOSITION- Woertz Christina et al, "Assessment of test methods evaluating mucoadhesive polymers and dosage forms: An overview", European journal of pharmaceutics and biopharmaceutics, ELSEVIER SCIENCE PUBLISHERS B.V., AMSTERDAM., NL, NL , (20130710), vol. 85, no. 3, doi:10.1016/j.ejpb.2013.06.023, ISSN 0939-6411, pages 843 - 853, XP028791003
OPPOSITION- GURA et al., "Specific degradation of hyaluronic acid and its rheological properties", Polymer Degradation and Stability, (19980000), vol. 59, doi:10.1016/S0141-3910(97)00194-8, pages 297 - 302, XP004294391
OPPOSITION- Cho Yong-Woo et al, "Preparation and Solubility in Acid and Water of Partially Deacetylated Chitins", Biomacromolecules, American Chemical Society, US, US , (20001201), vol. 1, no. 4, doi:10.1021/bm000036j, ISSN 1525-7797, pages 609 - 614, XP093025886
OPPOSITION- Liao Yong-Hong et al, "Hyaluronan: Pharmaceutical Characterization and Drug Delivery", Drug Delivery, ACADEMIC PRESS, ORLANDO, FL., US, US , (20050101), vol. 12, no. 6, doi:10.1080/10717540590952555, ISSN 1071-7544, pages 327 - 342, XP093025905
OPPOSITION- Ricard-Blum S., "The Collagen Family", Cold Spring Harbor Perspectives in Biology, (20110101), vol. 3, no. 1, doi:10.1101/cshperspect.a004978, pages a004978 - a004978, XP093025889
OPPOSITION- West N. X., Hughes J. A., Addy M., "The effect of pH on the erosion of dentine and enamel by dietary acids in vitro", JOURNAL OF ORAL REHABILITATION, BLACKWELL SCIENTIFIC PUBL., OXFORD, GB, GB , (20010901), vol. 28, no. 9, doi:10.1111/j.1365-2842.2001.00778.x, ISSN 0305-182X, pages 860 - 864, XP093025895

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