Patent SG-11201809667V-A (SG)
Title: Acryloyl-based copolymers, terpolymers, and use as hydrate inhibitors
Inventor: ELANANY MOHAMED
IPC: C09K8/52
Filed: 2017-05-03
Abstract: 1500 2001 2;0 300 THE MIN FIG. 7 (CH rC 1 H C H C H F1), C . 0 R 2 C . 0 »N 1Th R1—} N (I) W O 20 17 / 192689 Al (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 09 November 2017 (09.11.2017) WIP0 I PCT omit VIII Hot 0 omiolomm Eno i11110 ow (10) International Publication Number WO 2017/192689 Al (51) International Patent Classification: C08F 220/54 (2006.01) CO8F 226/06 (2006.01) C09K 8/52 (2006.01) (21) International Application Number: PCT/US2017/030795 (22) International Filing Date: 03 May 2017 (03.05.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/332,758 06 May 2016 (06.05.2016) US 62/500,143 02 May 2017 (02.05.2017) US (71) Applicants: SAUDI ARABIAN OIL COMPANY [SA/SA]; Post Office Box 5000, Dhahran, 31311 (SA). KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS [SA/SA]; Post Office Box 691, Dhahran, 31261 (SA). (71) Applicant (for AG only): ARAMCO SERVICES COM- PANY [US/US]; 9009 West Loop South, Houston, Texas 77210-4535 (US). (72) Inventors: ELANANY, Mohamed; c/o Saudi Arabian Oil Company, Post Office Box 5000, Dhahran, 31311 (SA). AL-MALKI, Abdullah; c/o Saudi Arabian Oil Compa- ny, Post Office Box 5000, Dhahran, 31311 (SA). AL-EID, Manal; c/o Saudi Arabian Oil Company, Post Office Box 5000, Dhahran, 31311 (SA). AL-DAOUS, Mohammed; c/o Saudi Arabian Oil Company, Post Office Box 5000, Dhahran, 31311 (SA). ALI, Shaikh Asrof; c/o King Fand University of Petroleum and Minerals, Post Office Box 691, Dhahran, 31261 (SA). MAJNOUNI, Khalid; c/o Sau- di Arabian Oil Company, Post Office Box 5000, Dhahran, 31311 (SA). (74) Agent: O'BRIEN, Hallie W. et al.; Dinsmore & Shohl LLP, Fifth Third Center, One South Main Street, Suite 1300, Dayton, Ohio 45402 (US). (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, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, 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. (54) Title: ACRYLOYL-BASED COPOLYMERS, TERPOLYMERS, AND USE AS HYDRATE INHIBITORS (57) : Copolymers having General Formula (I): [insert formula] in which R 1 and R 3 are chosen from divalent C4-C 7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, op- tionally substituted with one or more Ci-C6 aliphatic groups, het- eroatoms independently chosen from 0, N, and S, or combina- tion thereof, where the divalent C 4 -C 7 heteroaliphatic groups of R 1 and R 3 include one or two heteroatoms independently chosen from 0, N, and S, and the maximum number of heteroatoms in 15 'eL\" R 1 or R 3 is two, R 2 is chosen from Q 1 and Q 2 , x is a molar fraction iio range chosen from 0.1 to 0.9, y is a molar fraction range chosen tBo 011-15(ABB-I5) - -KFII-161ABB-8) - TEMPEIZATUPE from 0.1 to 0.9, and z is a molar fraction range chosen from 0 to 0.8, where the summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates include contacting a fluid with at least one copolymer of General Formula (I). [Continued on next page] WO 2017/192689 Al IMEDIMOM0101011MMEMOMOMOMEMEHOMEMOIMIE (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, 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))