Patent SG-11201407808X-A (SG)
Title: Chromatographic Purification Of Polynucleotides With Negatively Charged Particles
Inventor: GAGNON PETER
IPC: B01D15/36
Filed: 2013-05-30
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 5 December 2013 (05.12.2013) WIPOIPCT (10) International Publication Number WO 2013/180654 A1 (51) International Patent Classification: B01D 15/14 (2006.01) K011) 15/36 (2006.01) C12N15/10 (2006.01) (21) International Application Number: (22) International Filing Date: (25) Filing Language: (26) Publication Language: PCT/SG2013/000217 30 May 2013 (30.05.2013) English (30) Priority Data: 61/653,694 61/773,666 31 May 2012 (31.05.2012) 6 March 2013 (06.03.2013) English US US (71) Applicant: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH [SG/SG]; 1 Fusionopolis Way, #20-10 Connexis, Singapore 138632 (SG). (72) Inventor: GAGNON, Peter; 20 Biopolis Way, #06-01 Centres, Singapore 138668 (SG). (74) Agent: SPRUSON & FERGUSON (ASIA) PTE LTD; P.O. Box 1531, Robinson Road Post Office, Singapore 903031 (SG). (81) Designated States (unless otherwise indicated, for every kind of national protection available)'. 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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, 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, 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. (84) Designated States (unless otherwise indicated, for every kind of regional protection available)'. ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (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), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: — of inventorship (Rule 4.17(iv)) Published: — with international search report (Art. 21(3)) •rt o 00 i-H en i-H o CJ o & (54) Title: Chromatographic Purification Of Polynucleotides With Negatively Charged Particles (57) Abstract: A method of purifying a sample that includes polynucleotide includes a the steps of (i) providing a packed chromato - graphic column having negatively charged porous particles, (ii) equilibrating the column to the conditions to which the polynuc - leotide in the sample is to elute, (iii) contacting the sample with the packed chromatographic column such that the sample volume applied to the packed chromatographic column is less than or equal to the interparticle space of the negatively charged porous particles within the packed chromatographic column, (iv) eluting the polynucleotide from the packed chromatographic column, where the polynucleotide in purer state and in is a the conditions to which the packed chromatographic column was equilibrated.