Patent SG-11201804926R-A (SG)
Title: Hydrogen sulfide scavenging additive composition and method of use thereof
Inventor: SUBRAMANIYAM MAHESH
IPC: C10G29/22
Filed: 2016-12-26
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2017/118896 Al 13 July 2017 (13.07.2017) WIPO I PCT 111111111111110111011111111111010111110 01110111H11011101111111111111111 0111111 (51) International Patent Classification: BOlD 53/14 (2006.01) ClOG 29/24 (2006.01) BOlD 53/52 (2006.01) C1OL 3/10 (2006.01) BOlD 53/77 (2006.01) CO7C 211/03 (2006.01) ClOG 29/20 (2006.01) CO7C 211/09 (2006.01) ClOG 29/22 (2006.01) CO7C 47/127 (2006.01) (21) International Application Number: PCT/IB2016/058008 (22) International Filing Date: 26 December 2016 (26.12.2016) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 201621000398 5 January 2016 (05.01.2016) IN (71) Applicant: DORF KETAL CHEMICALS (INDIA) PRIVATE LIMITED [IN/IN]; Dorf Ketal Tower, D'Monte Street, Orlem, Malad (W), MUMBAI — 400064, Maharashtra (IN). Inventor: SUBRAMANIYAM, Mahesh; Dorf Ketal Tower, D'Monte Street, Orlem, Malad (W), MUMBAI — 400064, Maharashtra (IN). Agents: MEHTA, Ramesh Kumar et al.; Mehta & Mehta Associates, Mehta House, B-474, Sushant Lok-I, Sector 27, GURGAON — 122 002, NCR (IN). 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. (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). Declarations under Rule 4.17: as to the identity of the inventor (Rule 4.170) as to applicant's entitlement to apply for and be granted a patent (Rule 4.1700) as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) of inventorship (Rule 4.17(iv)) Published: — with international search report (Art. 21(3)) W O 20 17 / 118896 Al (54) Title: HYDROGEN SULFIDE SCAVENGING ADDITIVE COMPOSITION AND METHOD OF USE THEREOF (57) : The present invention relates to an additive composition for scavenging hydrogen sulfide in hydrocarbons, wherein said additive composition comprises a combination of (a) glyoxal and (b) at least one aliphatic tertiary amine or oxide treated deriv- ative thereof, or a mixture of the aliphatic tertiary amine and the oxide treated derivative thereof. In one embodiment it also relates to a method for scavenging hydrogen sulfide in hydrocarbons, and in another embodiment it relates to a method of using an additive composition of the present invention for scavenging hydrogen sulfide in hydrocarbons. In yet another embodiment it relates to a composition for scavenging hydrogen sulfide in hydrocarbons comprising (A) a hydrocarbon and (B) a hydrogen sulfide scavenging additive composition of the present invention.