Patents for C10G 71 - Treatment by methods not otherwise provided for of hydrocarbon oils or fatty oils for lubricating purposes (421)
11/1983
11/08/1983CA1156588A1 Catalytic dewaxing of hydrocarbon oils
03/1983
03/29/1983CA1143712A1 Process for the preparation of a sulphided fluorine-containing nickel-tungsten catalyst and a process for the conversion of hydrocarbons, and the resulting hydrocarbons
03/22/1983CA1143313A1 Method of transporting viscous hydrocarbons
02/1983
02/16/1983EP0072220A1 Two-stage hydrocarbon dewaxing hydrotreating process
12/1982
12/21/1982US4364776 Pumping in dispersant chemical in water jet, emulsification
11/1982
11/16/1982CA1135644A1 Method of transporting viscous hydrocarbons
05/1982
05/18/1982US4330395 Hydrogenation catalyst
05/11/1982CA1123175A1 Removing h.sub.2s from tail gas with recycled nmp extraction solvent
04/1982
04/20/1982US4325805 Hydroccracking, photostability, zeolites
01/1982
01/20/1982EP0044135A1 Process for production of oxidation-resistant hydrocarbon oil composition and oxidation-resistant composition made thereby
07/1981
07/29/1981EP0032813A1 Recovery of heavy hydrocarbons from oil sludge
07/21/1981US4279778 Process for the preparation of a sulphided fluorine-containing nickel-tungsten catalyst for the conversion of hydrocarbons
12/1980
12/10/1980EP0019980A1 Method for the preparation of a sulphided fluorine-containing nickel-tungsten catalyst and process for the conversion of hydrocarbons using such a catalyst
11/1980
11/12/1980EP0018778A1 Catalytic dewaxing of hydrocarbon oils
10/1980
10/21/1980US4229282 Nickel-tungsten zeolite
07/1980
07/09/1980EP0013177A1 Use of hot N-methyl-2-pyrrolidone (NMP) from solvent extraction operation to supply heat to strip H2S from NMP-scrubbing solution
06/1980
06/17/1980US4208382 Removing H2 S from gas with recycled NMP extraction solvent
01/1980
01/01/1980US4181597 Method of stabilizing lube oils
02/1979
02/06/1979CA1047954A1 Process for the preparation of lubricating oils
08/1978
08/15/1978CA1036587A1 Synthetic lubricating oils from hydrogenating catalytic cracking of very high viscosity polymers
05/1977
05/03/1977US4021334 Process for manufacture of stabilized lubricating oil with elemental sulfur
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