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1. (WO2019002912) NANOCOMPOSITE MATERIALS COMPRISING CATIONIC NANOPARTICLES AND ANIONIC POLYMERS USEFUL IN METHODS FOR 3D PRINTING THEREOF
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Pub. No.: WO/2019/002912 International Application No.: PCT/IB2017/053845
Publication Date: 03.01.2019 International Filing Date: 27.06.2017
IPC:
C09D 11/03 (2014.01) ,A61L 27/44 (2006.01) ,A61L 27/52 (2006.01) ,B33Y 70/00 (2015.01)
[IPC code unknown for C09D 11/03]
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
L
METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
27
Materials for prostheses or for coating prostheses
40
Composite materials, i.e. layered or containing one material dispersed in a matrix of the same or different material
44
having a macromolecular matrix
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
L
METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
27
Materials for prostheses or for coating prostheses
50
Materials characterised by their function or physical properties
52
Hydrogels or hydrocolloids
[IPC code unknown for B33Y 70]
Applicants:
ETH ZÜRICH [CH/CH]; Räemistrasse 101 / ETH Transfer 8092 Zürich, CH
Inventors:
LEE, Mihyun; CH
ZENOBI-WONG, Marcy; CH
CHANG, Jin; CH
Priority Data:
Title (EN) NANOCOMPOSITE MATERIALS COMPRISING CATIONIC NANOPARTICLES AND ANIONIC POLYMERS USEFUL IN METHODS FOR 3D PRINTING THEREOF
(FR) MATÉRIAUX NANOCOMPOSITES COMPRENANT DES NANOPARTICULES CATIONIQUES ET DES POLYMÈRES ANIONIQUES UTILES DANS DES PROCÉDÉS DESTINÉS À LEUR IMPRESSION EN 3D
Abstract:
(EN) The present technology provides nanocomposite compositions that include about 0.1 wt.% to about 40 wt.% of nanoparticles having a net cationic charge by weight of the composition; about 0.1 wt.% to about 50 wt.% of one or more gelling agents by weight of the composition; and a solvent that includes a protic solvent. Methods of preparing a three-dimensional structure via the nanocomposite composition are also disclosed.
(FR) La présente invention concerne des compositions nanocomposites qui comprennent d’environ 0,1 % en poids à environ 40 % en poids de nanoparticules présentant une charge cationique nette, en poids de la composition ; d’environ 0,1 % en poids à environ 50 % en poids d’un ou de plusieurs agents gélifiants, en poids de la composition ; et un solvant qui comprend un solvant protique. La présente invention concerne également des procédés de préparation d’une structure tridimensionnelle au moyen de la composition nanocomposite.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)