Matches 601 - 650 out of 742 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
3085971 Hydrogenation process employing hydrogen halide contaminated hydrogen  
3073777 Process for the destructive hydrogenation of crude oils, tars and their residues  
3071542 Two-stage pretreatment of reformer charge naphtha  
3069351 Utilization of reformer make gas  
3069350 Reforming naphthas containing deleterious amounts of nitrogen or arsenic  
3063933 Process for removing sulfur and nitrogen from a conversion feed stock with return ofnitrogen to conversion product  
3057807 Process for preparing boria promoted catalyst  
3055823 Multi-stage hydrofining-hydrocracking process employing an intermediate treating operation  
3050458 Petroleum refining process  
3044950 Process for upgrading catalytically cracked gasoline  
3039957 Production of solvents  
3028331 Hydrogen production in a tcc process  
3027317 Hydrorefining of heavy mineral oils  
3024188 Hydrogenation of steam cracked gasoline  
3023158 Increasing the yield of gasoline boiling range product from heavy petroleum stocks  
3016347 Hydrocarbon purification process and catalyst  
3014860 Denitrification of hydrocarbon oils  
3008895 Production of high-octane gasolines  
3008897 Hydrocarbon demetallization process  
3004913 Process for removing nitrogen compounds from hydrocarbon oil  
3003950 Producing stabilized kerosene and the like with reduced hydrogen circulation  
2987470 Demineralization of oils  
2984617 Denitrogenizing reformer feed  
2976336 Purification of benzene  
2969316 Desulfurizing reformer feed  
2963416 Coke production from petroleum stocks  
2958654 Catalytic desulfurization of blend of a reformer feed and a furnace oil  
2952626 Mixed-phase hydrofining of hydrocarbon oils  
2951888 Process for desulfurizing and isomerizing light normal paraffins  
2951032 Hydrocarbon desulfurization process  
2945803 Process for hydrogen treatment and catalytic cracking of petroleum hydrocarbons  
2944013 Producing metal-free petroleum stocks by hydrogenation  
2944006 Hydrocracking of a hydrocarbon distillate employing a sulfide of nickel or cobalt, disposed on an active siliceous cracking catalyst support  
2941940 Hydrocarbon treating process  
2938857 Split hydrorefining of feed to catalytic cracking operation  
2937986 Spent caustic treating process  
2937134 Cascaded pretreater for removal of nitrogen  
2928784 Demetalation of hydrocarbon fractions by hydrogenation prior to catalytic cracking  
2925375 Hydrocarbon refining and conversion process including removal of organic nitrogen compounds with azeolite  
2925374 Hydrocarbon treating process  
2924568 Process for hydrodesulfurizing and subsequently catalytically cracking gas oil  
2917456 Process for hydrodesulfurizing crude oil in the presence of coke  
2911352 Process for manufacture of high octane naphthas  
2908626 Process for catalytic desulfurization and reforming of cracked naphthas  
2905625 Purification of hydrocarbon fractions  
2905624 Manufacture of lubricating oil  
2904500 Hydrogen treatment of hydrocarbons  
2903415 Integrated pretreating and reforming of the pretreated naphtha  
2902429 Demetallization of hydrocarbon fractions  
2901415 Hydroforming with preliminary hydrodesulfurization  
Matches 601 - 650 out of 742 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >