Patent SG-11201810010P-A (SG)
Title: Methods and compositions for treatment of concrete wash water
Inventor: MACDONALD MARK
IPC: B28C5/00
Filed: 2017-04-11
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property —, Organization MD 1101111 0 11101 0I0 11111 HO 11111 0 111 HOB 11111 001 010 HI 111110 HOED International Bureau ... .... ..Yjd ...... ... (10) International Publication Number (43) International Publication Date WO 2017/177324 Al 19 October 2017(19.10.2017) WIPO I PCT (51) (21) (22) (25) (26) (30) (71) (72) International Patent Classification: (81) Designated States (unless otherwise indicated, for every B28C 5/00 (2006.01) B28C 7/02 (2006.01) kind of national protection available): AE, AG, AL, AM, B28C 5/42 (2006.01) C04B 40/02 (2006.01) 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, International Application Number: DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, PCT/CA2017/050445 HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, International Filing Date: KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, 11 April 2017 (11.04.2017) MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, Filing Language: English RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, Publication Language: English TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. Priority Data: 62/321,013 11 April 2016 (11.04.2016) US (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, Applicant: CARBONCURE TECHNOLOGIES INC. GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, [CA/CA]; 60 Trider Crescent, Dartmouth, Nova Scotia TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, B3B 1R6 (CA). TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, Inventors: MACDONALD, Mark; 2705 Windsor St., DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, Halifax, Nova Scotia B3K 5E1 (CA). MONKMAN, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, George Sean; 4445 Rue Chambord, Montreal, Quebec H2J SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, 3M5 (CA). CALL, Kevin; 5113 Redbriar Ct., Sarasota, GW, KM, ML, MR, NE, SN, TD, TG). Florida 34238 (US). FORGERON, Dean Paul; 13 Round Declarations under Rule 4.17: Tuit Rd., White's Lake, Nova Scotia B3T 1W2 (CA). — as to applicant's entitlement to apply for and be granted a Agent: BERESKIN & PARR LLP/S.E.N.C.R.L., S.R.L.; patent (Rule 4.1700) 40 King Street West, 40th Floor, Toronto, Ontario M5H Published: 3Y2 (CA). — with international search report (Art. 21(3)) (74) Title: METHODS AND COMPOSITIONS FOR TREATMENT OF CONCRETE WASH WATER Figure 1 .A g ed1Day-Urrtreated HAgdl4 Day- I-W.2W 3 Aga 1 1722-20182221222 a Agplf 4 Day1,802 Treated (54) 182 , 14O El g 1120 1 ' i 100 23 0 21 .4 11' ei en IN IN 1 IN 1-1 (57) = oxide. ei 2 80 1 0 (3 D W D 0 0 ® o 20 a o 1.000 1.025 1 050 1.075 1.100 1.125 Mix Water Specific Gravity (witless/ : The invention provides methods and compositions for treating wash water from concrete production with carbon di- The treated wash water can be reused as mix water in fresh batches of concrete. O