| Patents for C10L 9 - Treating solid fuels to improve their combustion (3,817) |
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| 01/30/1979 | US4137050 Leaching with hexacyanoferrate (iii) ions |
| 01/23/1979 | US4135885 Burning and desulfurizing coal |
| 01/16/1979 | US4134737 Treatment with base, mineral acid, deashing, desulfurization |
| 01/09/1979 | US4133867 Hydrogen sulfide-accepting metal oxide pellets |
| 01/02/1979 | US4132630 Method for separating solids from coal liquids |
| 01/02/1979 | CA1045378A1 Calcination of coke |
| 12/12/1978 | US4129420 Process for making coke from cellulosic materials and fuels produced therefrom |
| 12/12/1978 | US4129409 Arsenic containing fuels |
| 12/05/1978 | US4128474 Process for cleaning and dewatering fine coal |
| 12/05/1978 | US4128401 Cellular solvent refined coal and methods for making same |
| 12/05/1978 | CA1043724A1 Coal desulfurization process |
| 11/28/1978 | US4127601 α-Substituted vinyl menthyl carbonates |
| 11/28/1978 | US4127391 Process for making coke from bituminous fines and fuels produced therefrom |
| 11/28/1978 | US4127390 Crushing, mixing with sodium chloride brine, heating, washing |
| 11/07/1978 | US4124485 Aliphatic alcohol and light oil fraction |
| 10/31/1978 | US4123230 Sulfur removal from coal |
| 10/24/1978 | US4121910 Treating carbonaceous material |
| 10/17/1978 | US4120665 Preheating, magnetic separation |
| 10/17/1978 | US4120664 Liquid sulfur dioxide |
| 10/17/1978 | CA1040566A1 Method of desulfurizing coal |
| 10/10/1978 | US4119524 Coal deashing process having improved solvent recovery techniques |
| 10/10/1978 | US4119410 Removing some of elemental sulfur before treating with metal compound to enhance magnetic susceptibility of impurities |
| 10/10/1978 | US4119106 Flavorant-release resin compositions |
| 10/03/1978 | US4118202 Pre-primed fuel and method and apparatus for its manufacture |
| 10/03/1978 | US4118201 Production of low sulfur fuels from coal |
| 10/03/1978 | US4118200 Liquid fused chloride salt bath, formation of sulfur and chlorides by reaction of coal with chlorine or compounds thereof |
| 09/26/1978 | US4117214 Using a polyhydroxy compound, and polyacrylamide or sodium acetate |
| 09/26/1978 | US4117098 Extracting reformed coal, heating, coking |
| 09/26/1978 | US4116815 Process for preparing needle coal pitch coke |
| 09/26/1978 | CA1039059A1 Method of separating inorganic material from coal |
| 09/19/1978 | CA1038788A1 Process for desulphurizing char |
| 09/05/1978 | US4111786 Dispersing in oil, depolymerizing, distillation |
| 09/05/1978 | US4111755 Method of producing pelletized fixed sulfur fuel |
| 09/05/1978 | US4111663 Reactor for solvent refined coal |
| 08/08/1978 | US4105416 Iron complexing agent, oxidizer, hydrogen transfer |
| 08/01/1978 | US4104150 Preheating, adding filter aid before filtration |
| 07/11/1978 | US4100265 Process for preparation of high quality coke |
| 07/11/1978 | US4099929 Method of removing ash components from high-ash content coals |
| 07/04/1978 | US4098584 Removal of impurities from coal |
| 07/04/1978 | US4098583 Grinding, suspension in water, fusion |
| 06/27/1978 | US4097244 Oxidizing sulfur, iron complexing agent |
| 06/20/1978 | US4095955 Fuel separation process |
| 06/20/1978 | US4095954 Water leaching |
| 06/13/1978 | US4094810 Mixing with a surfactant |
| 05/30/1978 | US4092125 Mixing carbonaceous fuel with sodium or potassium hydroxide and calcium or magnesium hydroxide or carbonate, gasification catalyst |
| 05/16/1978 | US4089657 Stabilized suspension of carbon in hydrocarbon fuel and method of preparation |
| 05/16/1978 | US4089656 Treatment of solid fuels |
| 05/02/1978 | US4087514 Basic molten bath of an alkali or alkaline earth metal alcoholate or phenolate |
| 04/18/1978 | US4084938 Catalytic desulfurization, denitrogenation, and demetallization |
| 04/11/1978 | US4083696 Process for desulfurizing pipelined coal |
| 03/28/1978 | US4081251 Process to remove iron sulfide from coal to reduce pollution |
| 03/28/1978 | US4081250 Coal desulfurization process |
| 03/21/1978 | US4080176 Process for the beneficiation of solid fuel |
| 02/28/1978 | US4076607 Irradiation with electromagnetic microwaves to induce thermochemical, in situ reactions |
| 02/14/1978 | US4073624 Method for fluorinating coal |
| 02/07/1978 | US4072475 Method for improving gasification process rates and yields by means of electrophilic aromatic substitution pretreatment of coal |
| 01/31/1978 | US4071328 Hydrogenation |
| 01/24/1978 | US4070268 Solvent recovery in a coal deashing process |
| 01/10/1978 | US4067767 Liquid phase coking of spent kraft pulping liquors |
| 12/06/1977 | US4061600 Graphite electrode and method of making |
| 11/22/1977 | US4059503 Stripping ammonia from liquid effluent of a hydrodenitrification process |
| 11/22/1977 | US4059410 Method for the preparation of noncaking coals from caking coals by means of electrophilic aromatic substitution |
| 11/22/1977 | US4058976 Method and apparatus for removal of last traces of soluble ash and elements from solvent refined coal |
| 11/08/1977 | US4057399 Process for dewatering carbonaceous materials |
| 11/08/1977 | US4057398 Boron containing compounds or natural materials |
| 10/25/1977 | US4055400 From carbonaceous fuel |
| 10/18/1977 | US4054492 Process for treating bituminous or oil-containing material using dry distillation |
| 10/18/1977 | US4054421 Method for desulfurizing char by acid washing and treatment with hydrogen gas |
| 10/18/1977 | US4054420 Process for the desulfurization of carbonaceous fuels with aqueous caustic and oxygen |
| 10/11/1977 | US4053285 Process for reducing the sulfide sulfur content of char with carbon dioxide and H2 O |
| 10/04/1977 | US4052170 Magnetic desulfurization of airborne pulverized coal |
| 10/04/1977 | US4052168 Heating |
| 09/13/1977 | US4047898 Upgrading of solid fuels |
| 08/30/1977 | US4045187 Carbonaceous material |
| 08/23/1977 | US4043763 Anti-spontaneous combustion, lignitic and sub-bituminous coal |
| 08/16/1977 | US4042313 Method of imparting color to fires |
| 08/09/1977 | US4040797 Shale oils; magnesium, barium, zinc, or nickel |
| 07/19/1977 | US4036730 Solvent-refining of coal |
| 07/05/1977 | US4033852 Process for treating coal and products produced thereby |
| 07/05/1977 | US4033729 Method of separating inorganic material from coal |
| 06/21/1977 | US4031192 Method of hygienic disposal of chlorine-containing plastic material |
| 06/21/1977 | US4030893 From coal |
| 05/24/1977 | US4025610 Method and apparatus for denitrifying coke |
| 05/10/1977 | US4022668 Process for the production of formed coke |
| 05/10/1977 | US4022588 Oxidative chemical removal of pyritic sulfur from coal by manganese, vanadium, and cerium oxidants |
| 05/10/1977 | US4022569 Calcination of coke |
| 04/19/1977 | US4018654 Decaking |
| 04/19/1977 | US4018572 Desulfurization of fossil fuels |
| 03/22/1977 | US4013426 Removal of sulfur from carbonaceous fuel |
| 03/08/1977 | US4011303 Heating with sulfur vapor to produce carbon disulfide |
| 02/15/1977 | US4008054 Solvent extraction and hydrotreatment of coal |
| 02/01/1977 | US4005995 Process for producing a gaseous product from carbonaceous material |
| 01/11/1977 | US4002535 Oxidation, pressurization |
| 01/11/1977 | US4002533 Two-step process for conditioning sized coal and resulting product |
| 12/28/1976 | US3999958 Grinding, heating |
| 12/21/1976 | US3998604 Demineralization of brown coal |
| 12/14/1976 | US3997422 Combination coal deashing and coking process |
| 11/23/1976 | US3993456 Oxidation of pyrites |
| 11/23/1976 | US3993455 Removal of mineral matter including pyrite from coal |
| 10/26/1976 | US3988120 Polar compound |