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1. (WO2013112395) METHOD FOR REDUCING COLOR IN USED LUBRICATING OIL
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2013/112395 International Application No.: PCT/US2013/022361
Publication Date: 01.08.2013 International Filing Date: 21.01.2013
IPC:
C10M 175/00 (2006.01)
C CHEMISTRY; METALLURGY
10
PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
M
LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
175
Working-up used lubricants to recover useful products
Applicants:
DOW GLOBAL TECHNOLOGIES LLC [US/US]; 2040 Dow Center Midland, MI 48674, US
Inventors:
MEIJERHOF, Antjo H.; NL
Agent:
CRIMALDI, Kenneth; Dow Global Technologies LLC 2040 Dow Center Midland, Michigan 48674, US
Priority Data:
61/591,40727.01.2012US
Title (EN) METHOD FOR REDUCING COLOR IN USED LUBRICATING OIL
(FR) PROCÉDÉ POUR RÉDUIRE LA COULEUR D'UNE HUILE LUBRIFIANTE USAGÉE
Abstract:
(EN) A method for reducing color in used lubricating oil. The method comprises combining: (i) a used lubricating oil; (ii) an alkali metal borohydride; and (iii) a bisulfite or metabisulfite salt.
(FR) L'invention concerne un procédé pour réduire la couleur dans une huile lubrifiante usagée. Le procédé consiste à combiner : (i) une huile lubrifiante usagée ; (ii) un borohydrure de métal alcalin ; et (iii) un sel bisulfite ou métabisulfite.
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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, 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, 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 (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)