Patent AU-2011307108-B2 (AU)
Title: Endodontic sealing composition
Inventor: RICHARD GILLES
IPC: A61K6/884
Filed: 2011-11-14
Granted: 2014-09-18
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date W O 2012/065946 Al 24 May 2012 (24.05.2012) W I PO I P CT (51) International Patent Classification: (81) Designated States (unless otherwise indicated, for every A61K 6/00 (2006.01) C09K 3/00 (2006.01) kind of national protection available): AE, AG, AL, AM, A61K 6/06 (2006.01) AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, ) .a CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, (21) International Application Number: DZ, EC, EE, EG, ES, Fl, GB, GD, GE, GH, GM, GT, HN, PCT/EP2O1 1/070040 HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, (22) International Filing Date: KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, 14 November 2011 (14.11.2011) MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, (25) Filing Language: English SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, (26) Publication Language: English TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (30) Priority Data: (84) Designated States (unless otherwise indicated, for every 10191255.8 15 November 2010 (15.11.2010) EP kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, (71) Applicant (for all designated States except US): SEPTO- UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, MD, RU, DONT ou SEPTODONT SAS ou SPECIALITES TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, SEPTODONT [FR/FR]; 58 rue du Pont de Cr6teil, F- DK, EE, ES, Fl, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, 94100 Saint Maur des Foss6s (FR). LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, (72) Inventors; and SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, (75) Inventors/Applicants (for US only): RICHARD, Gilles GW, ML, MR, NE, SN, TD, TG). [FR/FR]; 32 rue Edouard Branly, F-91560 Crosne (FR). Declarations under Rule 4.17: MARIE, Olivier [FR/FR]; 4 rue de l'Oiseau, F-91450 ofinventorship (Rule 4.17(iv) Soisy sur Seine (FR). (74) Agent: ICOSA; 83 avenue Denfert-Rochereau, F-75014 Published: Paris (FR). - with international search report (Art. 21(3)) (54) Title: ENDODONTIC SEALING COMPOSITION (57) Abstract: This invention relates to a composition resulting from the mixture of a solid phase, comprising at least one calcium derivative powder in association with at least one radioopacifier and at least one polymer and optionally at least one non-ra dioopaque filler, all in powder form; and aqueous phase comprising water, at least one water-reducing agent, and at least one set ac f4 celerator; the ratio of solid phase to liquid phase ranging from 1.0 to 2.5, preferably from 1.5 to 2.2, more preferably from 2 to 2.15; said composition having a compressive strength of less than 40 MPa, preferably ranging from 1 to 15 MPa, preferably ranging from about 3 to about 12 MPa; this invention also relates to a kit and a method for the manufacture of the composition, and to a method for treating or retreating a canal root.