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Pub. No.:    WO/2017/200688    International Application No.:    PCT/US2017/028306
Publication Date: 23.11.2017 International Filing Date: 19.04.2017
Chapter 2 Demand Filed:    16.03.2018    
C10M 149/02 (2006.01)
Applicants: THE LUBRIZOL CORPORATION [US/US]; 29400 Lakeland Boulevard Wickliffe, OH 44092 (US)
Inventors: KNAPTON, Daniel, J.; (US).
CRESSEY, David; (GB).
VISGER, Daniel, C.; (US)
Agent: SKERRY, Ann, M.; (US)
Priority Data:
62/338,168 18.05.2016 US
Abstract: front page image
(EN)A hydraulic fluid includes an oil of lubricating viscosity and at least 2 wt. % of an ester of a carboxy group-containing interpolymer comprising units derived from a vinyl aromatic monomer and units derived from a carboxylic acid monomer. The interpolymer also contains nitrogen functionality. The hydraulic fluid is at least substantially free of polyacrylates and polymethacrylates.
(FR)La présente invention concerne un fluide hydraulique qui comprend une huile de viscosité lubrifiante et au moins 2 % en poids d'un ester d'un interpolymère contenant un groupe carboxy comprenant des motifs dérivés d'un monomère aromatique vinylique et des motifs dérivés d'un monomère acide carboxylique. L'interpolymère contient également une fonctionnalité azotée. Ledit fluide hydraulique est au moins pratiquement exempt de polyacrylates et de polyméthacrylates.
Designated States: 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.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)