Patent SG-11201903093T-A (SG)
Title: Lubricant for low global warming potential refrigerant systems
Inventor: BAKER MARK R
IPC: C10M105/38
Filed: 2017-09-28
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property MD 1101111 0 DOI HIM 011101 0 011111111 11111111111111111111111111111111 Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\"\" WO 2018/071183 Al 19 April 2018 (19.04.2018) WIP0 1 PCT (51) International Patent Classification: C/OM 171/00 (2006.01) C/OM 105/38 (2006.01) Published: — with international search report (Art. 21(3)) (21) International Application Number: PCT/US2017/053876 (22) International Filing Date: 28 September 2017 (28.09.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/406,197 10 October 2016 (10.10.2016) US (71) Applicant: THE LUBRIZOL CORPORATION [US/US]; 29400 Lakeland Blvd., Wickliffe, Ohio 44092-2298 (US). (72) Inventors: BAKER, Mark R.; 2300 James Savage Road, Midland, Michigan 48642 (US). FOSTER, Michael G.; 2300 James Savage Road, Midland, Michigan 48642 (US). _ KARNAZ, Joseph A.; 2300 James Savage Road, Midland, Michigan 48642 (US). TURNER, Neil D.; 2300 James Say- - age Road, Midland, Michigan 48642 (US). = Agent: FUHRER, Eryn Ace et al.; 29400 Lakeland Blvd., Wickliffe, Ohio 44092-2298 (US). = (74) = Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, = (81) 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, JO, 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. = = Designated States (unless otherwise indicated, for every (84) = 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). = — 1-1 r) M QC (54) Title: LUBRICANT FOR LOW GLOBAL WARMING POTENTIAL REFRIGERANT SYSTEMS 1-1 1-1 (57) : The disclosed technology relates to a working fluid for a low global warming potential (GWP) refrigeration system that IN includes a compressor, where the working fluid includes a polyolester oil, an alkylbenzene oil, and a low GWP refrigerant, and where 0 ---- the ester based lubricant comprises dipentaerythritol esterified with a mixture of carboxylic acids, wherein the mixture of carboxylic GO acids comprises at least one linear carboxylic acid having 8 to 10 carbon atoms. The disclosed technology provides commercially useful 1-1 © low GWP working fluids (commercially useful working fluids based on low GWP refrigerants) that do not have the solubility and/or f'1 miscibility problems commonly seen in low GWP fluids, including high viscosity fluids and applications. 0