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Polydeoxyribonucleotides Composition And Uses Thereof - EP2745849

The patent EP2745849 was granted to Archimedes on Jul 27, 2022. The application was originally filed on Dec 16, 2013 under application number EP13197549A. The patent is currently recorded with a legal status of "Revoked".

EP2745849

ARCHIMEDES
Application Number
EP13197549A
Filing Date
Dec 16, 2013
Status
Revoked
Apr 19, 2024
Grant Date
Jul 27, 2022
External Links
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Patent Summary

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Patent Oppositions (2)

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WITTHOFF JAEKEL STEINECKE PATENTANWALTE PARTG MBBApr 26, 2023WITTHOFF JAEKEL STEINECKEADMISSIBLE
WITTHOFF JAEKEL STEINECKE PATENTANWALTE PARTG MBBApr 26, 2023WITTHOFF JAEKEL STEINECKE PATENTANWALTE PARTG MBBADMISSIBLE

Patent Citations (11) New

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

Citation PhasePublication NumberPublication Link
OPPOSITIONEP2394670
OPPOSITIONITTO20121107
OPPOSITIONUS2012177619
OPPOSITIONWO0045825
OPPOSITIONWO03092618
OPPOSITIONWO2009039657
OPPOSITIONWO9936090
SEARCHWO0045825
SEARCHWO03092618
SEARCHWO2009039657
SEARCHWO9936090

Non-Patent Literature (NPL) Citations (21) 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- A. Bitto, "Wound healing improvement with Polideoxyribonucleotide: a tissue repair stimulating agent ", (20100101), vol. 3, no. 1, pages 33 - 35, XP093152891-
OPPOSITION- Anonymous, "ds or ssDNA has more absorbance? Double stranded and Single stranded DNA UV absorbance and Hyperchromic effect", Biology Exams 4 U, (20180101), Biology Exams 4 U, XP093152908-
OPPOSITION- Anonymous, "Salt (chemisty)", Wikipedia, (20230103), Wikipedia, URL: https://en.wikipedia.org/w/index.php?title=Salt(chemistry)&oldid=1131214617, XP093152900-
OPPOSITION- Anonymous, "Salt", Encyclopaedia Britannica, (20230218), Encyclopaedia Britannica, XP093152906-
OPPOSITION- Chalonglarp Tangsadthakun, "Properties of collagen/chitosan scaffolds for skin tissue engineering", Journal of Metals, Materials and Minerals, (20060601), vol. 16, no. 1, ISSN 0857-6149, pages 37 - 44, XP093152858-
OPPOSITION- Chuang, W.Y. ; Young, T.H. ; Yao, C.H. ; Chiu, W.Y., "Properties of the poly(vinyl alcohol)/chitosan blend and its effect on the culture of fibroblast in vitro", Biomaterials, Elsevier, AMSTERDAM, NL, AMSTERDAM, NL , (19990801), vol. 20, no. 16, ISSN 0142-9612, pages 1479 - 1487, XP027286768-
OPPOSITION- HAYATSU H., ET AL., "POLYNUCLEOTIDE-CHITOSAN COMPLEX, AN INSOLUBLE BUT REACTIVE FORM OF POLYNUCLEOTIDE.", Chemical and Pharmaceutical Bulletin, Pharmaceutical Society of Japan, JP, JP , (19970801), vol. 45., no. 08., ISSN 0009-2363, pages 1363 - 1368., XP000198348-
OPPOSITION- Hyun Joon Hong, "The Effect of PDRN (Polydeoxyribonuceotide, Placentex®) on Rat Skin Flap Survival", Master's Thesis, Department of Medicine - The Graduate School, Yonsei University, (20110601), Master's Thesis, Department of Medicine - The Graduate School, Yonsei University, URL: https://ir.ymlib.yonsei.ac.kr/bitstream/22282913/134144/1/T012386.pdf, XP093152862-
OPPOSITION- TONELLO GIUSEPPE, ET AL, "Characterization and quantitation of the active polynucleotide fraction (PDRN) from human placenta, a tissue repair stimulating agent", Journal of Pharmaceutical and Biomedical Analysis, Elsevier B.V., AMSTERDAM, NL, AMSTERDAM, NL , (19960101), vol. 14, no. 11, ISSN 0731-7085, pages 1555 - 1560, XP002583526-
OPPOSITION- Keisuke Mizuno, "Effect of chitosan film containing basic fibroblast growth factor on wound healing in genetically diabetic mice", Journal of Biomedical Materials Research Part A, John Wiley & Sons, US, US , (20030101), vol. 64A, no. 1, doi:10.1002/jbm.a.10396, ISSN 1549-3296, pages 177 - 181, XP093152854
OPPOSITION- Muzzarelli, R.A.A., "Chitins and chitosans for the repair of wounded skin, nerve, cartilage and bone", Carbohydrate Polymers, Applied science publishers , LTD Barking, GB, GB , (20090317), vol. 76, no. 2, doi:10.1016/j.carbpol.2008.11.002, ISSN 0144-8617, pages 167 - 182, XP025913412
OPPOSITION- Alessandra Bitto, Francesca Polito , Domenica Altavilla , Letteria Minutoli, Alba Migliorato , Francesco Squadrito, "Polydeoxyribonucleotide (PDRN) restores blood flow in an experimental model of peripheral artery occlusive disease", Journal of Vascular Surgery, ELSEVIER, AMSTERDAM, NL, AMSTERDAM, NL, (20081101), vol. 48, no. 5, doi:10.1016/J.JVS.2008.06.041, ISSN 0741-5214, pages 1292 - 1300, XP002633997
OPPOSITION- Stefano Thellung, "Polydeoxyribonucleotides enhance the proliferation of human skin fibroblasts: Involvement of A2 purinergic receptor subtypes", Life Science, PERGAMON PRESS, OXFORD, GB, GB , (19990129), vol. 64, no. 18, doi:10.1016/S0024-3205(99)00104-6, ISSN 0024-3205, pages 1661 - 1674, XP093152849
OPPOSITION- Mori, T. Okumura, M. Matsuura, M. Ueno, K. Tokura, S. Okamoto, Y. Minami, S. Fujinaga, T., "Effects of chitin and its derivatives on the proliferation and cytokine production of fibroblasts in vitro", Biomaterials, Elsevier, AMSTERDAM, NL, AMSTERDAM, NL , (19970701), vol. 18, no. 13, doi:10.1016/S0142-9612(97)00017-3, ISSN 0142-9612, pages 947 - 951, XP004074547
OPPOSITION- Alison O. Nwokeoji, Kilby Peter M., Portwood David E., Dickman Mark J., "Accurate Quantification of Nucleic Acids Using Hypochromicity Measurements in Conjunction with UV Spectrophotometry", Analytical Chemistry, American Chemical Society, US, US , (20171219), vol. 89, no. 24, doi:10.1021/acs.analchem.7b04000, ISSN 0003-2700, pages 13567 - 13574, XP055686899
OPPOSITION- ROY K ET AL, "Oral gene delivery with chitosan-DNA nanoparticles generates immunologic protection in a murine model of peanut allergy", Nature Medicine, Nature Publishing Group US, New York, New York, (19990401), vol. 5, no. 4, doi:10.1038/7385, ISSN 1078-8956, pages 387 - 391, XP002148464
OPPOSITION- Alan R. Wolfe, "The effect of sodium ion concentration on intrastrand base-pairing in single-stranded DNA", Nucleic Acids Research, Oxford University Press, GB, GB , (19940101), vol. 22, no. 15, doi:10.1093/nar/22.15.3147, ISSN 0305-1048, pages 3147 - 3150, XP093152892
OPPOSITION- William H. Gmeiner, "Cytarabine-induced destabilization of a model Okazaki fragment", Nucleic Acids Research, Oxford University Press, GB, GB , (19980515), vol. 26, no. 10, doi:10.1093/nar/26.10.2359, ISSN 0305-1048, pages 2359 - 2365, XP093152895
OPPOSITION- Mariarosaria Galeano, Alessandra Bitto, Domenica Altavilla, Letteria Minutoli, Francesca Polito, Margherita Calò, Patrizia Lo Cascio, Francesco Stagno D'alcontres, Francesco Squadrito, "Polydeoxyribonucleotide stimulates angiogenesis and wound healing in the genetically diabetic mouse", WOUND REPAIR AND REGENERATION., MOSBY-YEAR BOOK, ST. LOUIS, MO., US, US , (20080301), vol. 16, no. 2, doi:10.1111/j.1524-475X.2008.00361.x, ISSN 1067-1927, pages 208 - 217, XP055290890
SEARCH- MUZZARELLI ET AL, "Chitins and chitosans for the repair of wounded skin, nerve, cartilage and bone", CARBOHYDRATE POLYMERS, APPLIED SCIENCE PUBLISHERS, LTD. BARKING, GB, vol. 76, no. 2, doi:10.1016/J.CARBPOL.2008.11.002, ISSN 0144-8617, (20090317), pages 167 - 182, (20081113), XP025913412 [I] 1-14 * the whole document *
SEARCH- KAM W. LEONG ET AL, NATURE MEDICINE, (19990401), vol. 5, no. 4, doi:10.1038/7385, ISSN 1078-8956, pages 387 - 391, XP055078389 [X] 1-14 * page 390, sections "Materials" and "Nanoparticle formulation" * * abstract *

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