Patent SG-11201809801R-A (SG)
Title: Methods for synthesizing acryloyl-based copolymers, terpolymers
Inventor: AL-GHAMDI SAMEER A
IPC: C09K8/52
Filed: 2017-05-03
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 1 MEM 0 11101 HOE 010 1111 1 0 I 0111110101111011111111101110 VI MI Organization International Bureau (10) International Publication Number (43) International Publication Date ......0\" WO 2017/192688 Al 09 November 2017 (09.11.2017) WIP0 I PCT (51) International Patent Classification: (SA). AL-MALKI, Abdullah; c/o Saudi Arabian Oil Corn- C08F 220/54 (2006.01) C08F 226/06 (2006.01) pany, Post Office Box 5000, Dhahran, 31311 (SA). AL- CO9K 8/52 (2006.01) EID, Manal; c/o Saudi Arabian Oil Company, Post Office (21) International Application Number: Box 5000, Dhahran, 31311 (SA). ELANANY, Mohamed; PCT/US2017/030794 c/o Saudi Arabian Oil Company, Post Office Box 5000, Dhahran, 31311 (SA). ALI, Shaikh Asrof; c/o King Fand (22) International Filing Date: University of Petroleum and Minerals, Post Office Box 691, 03 May 2017 (03.05.2017) Dhahran, 31261 (SA). (25) Filing Language: English (74) Agent: O'BRIEN, Hallie W. et al.; Dinsmore & Shohl LLP, Fifth Third Center, One South Main Street, Suite 1300, (26) Publication Language: English Dayton, Ohio 45402 (US). (30) Priority Data: (81) Designated States (unless otherwise indicated, for every 62/332,758 06 May 2016 (06.05.2016) US kind of national protection available): AE, AG, AL, AM, 62/500,143 02 May 2017 (02.05.2017) US AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, (71) Applicants: SAUDI ARABIAN OIL COMPANY CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, [SA/SA]; Post Office Box 5000, Dhahran, 31311 (SA). DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, KING FAHD UNIVERSITY OF PETROLEUM AND HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, MINERALS [SA/SA]; Post Office Box 691, Dhahran, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, 31261 (SA). 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, (71) Applicant (for AG only): ARAMCO SERVICES COM- SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, = PANY [US/US]; 9009 West Loop South, Houston, Texas TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. 77210-4535 (US). = (84) Designated States (unless otherwise indicated, for every (72) Inventors: AL-GHAMDI, Sameer A.; c/o Saudi Arabi- kind of regional protection available): ARIPO (BW, GH, = an Oil Company, Post Office Box 5000, Dhahran, 31311 = (54) Title: METHODS FOR SYNTHESIZING ACRYLOYL-BASED COPOLYMERS, TERPOLYMERS (57) : Methods for synthesizing acryloyl-based copoly- = The include providing a free initiator 14 = — = 130, = — — ..r. 120 g = = — KHI-15 (ABB-15) --- Kl-11-16 (ABB-9) -- TEMPERATURE — ...... ‘ mers. methods radical with a solution including monomeric repeating units, a chain transfer agent, and an organic solvent to form a reaction mixture, in which the monomeric repeating units include a first monomeric repeat- ing unit having formula (la), a second monomeric repeating unit having formula (lb) or (1d), and optionally a third monomer- -zois repeating unit having formula ( lc): (1a)(1b)(1c)(1d) in which the organic solvent is chosen from monoethylene glycol, ethanol, toluene, or combination thereof; and (B) initiating a polymeriza- -15 = iv -, — - = = i tion reaction in the reaction mixture to polymerize the monomeric repeating units, thereby synthesizing the acryloyl-based copoly- -10 mer. Methods for inhibiting formation of clathrate hydrates in- dude contacting a fluid with the acryloyl-based copolymer syn- thesized in the reaction mixture. 0 500 1000 100 2T100 2500 3000 ' - TIME, MIN 11 GC FIG. 7 GC el cT _N ) 11 IN (la), (lb), (Ic), (Id) 11 © N C [Continued on next page] WO 2017/192688 Al IMEDIMOM0101011MMEMOMOMOMEMMOMEM1011 GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, 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). Published: — with international search report (Art. 21(3))