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| Patents for C10G 67 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only (3,717) |
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| 07/05/1977 | US4033854 Oxidation- and heat-resistant specialty oils | | 05/03/1977 | US4021334 Process for manufacture of stabilized lubricating oil with elemental sulfur | | 02/15/1977 | US4008148 Solvent refining | | 02/01/1977 | US4006076 Process for the production of low-sulfur-content hydrocarbon mixtures | | 11/16/1976 | US3992465 Process for manufacturing and separating from petroleum cuts aromatic hydrocarbons of high purity | | 11/02/1976 | US3989617 Catalytic treatment of lubrication oil base stock for improvement of oxidative stability | | 11/02/1976 | US3989616 Vacuum distillation, solvent extraction, deasphalting | | 08/31/1976 | US3977964 Stabilization of hydrocracked lube oils | | 08/24/1976 | US3976557 Hydrogen, hydrogen sulfide | | 07/20/1976 | US3970545 Hydrocarbon desulfurization utilizing a non-catalytic hydrogen donor step and an oxidation step | | 07/06/1976 | US3968023 Production of lubricating oils | | 05/11/1976 | US3956102 Hydrodewaxing | | 04/27/1976 | US3953323 Process for reduction of olefinic unsaturation of pyrolysis naphtha (dripolene) | | 04/27/1976 | US3953322 Non-catalytic process for treating naphtha containing olefinically unsaturated components | | 04/27/1976 | US3953319 Preparation of refrigeration oils | | 01/27/1976 | US3935295 Adsorption with zinc oxide, calcium compound and binder | | 01/13/1976 | US3932267 Petroleum, raffinate |
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