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Class Information
Number: 44/620
Name: Fuel and related compositions > Coal treating process or product thereof
Description: Process in which a solid mineral hydrocarbonaceous material is treated by a chemical or physico-chemical procedure to improve its value as a fuel, or a product resulting from such a process.

Sub-classes under this class:

Class Number Class Name Patents
44/621 Removal of undesirable 123

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8703081 Sorbents for coal combustion Apr. 22, 2014
8690971 Method of improving combustion of solid fuels using evenly distributed catalysts or other agents Apr. 8, 2014
8691719 System and method for increasing the service life and/or catalytic activity of an SCR catalyst and control of multiple emissions Apr. 8, 2014
8673032 Method of manufacturing coke from low grade coal Mar. 18, 2014
8658115 Reducing mercury emissions from the burning of coal Feb. 25, 2014
8652222 Biomass compositions for catalytic gasification Feb. 18, 2014
8597382 Rubber material in coal liquefaction Dec. 3, 2013
8585788 Methods and systems for processing solid fuel Nov. 19, 2013
8585786 Methods and systems for briquetting solid fuel Nov. 19, 2013
8579998 Pre-burning, dry process methodology and systems for enhancing metallurgical solid fuel properties Nov. 12, 2013
8580214 Emission control system Nov. 12, 2013
8545778 Sorbents for coal combustion Oct. 1, 2013
8539891 Method for reducing air flow when operating a coal burner Sep. 24, 2013
8496894 Method and system for controlling mercury emissions from coal-fired thermal processes Jul. 30, 2013
8460407 Form of coal particles Jun. 11, 2013
8449632 Sewage material in coal liquefaction May. 28, 2013
8439989 Additives for mercury oxidation in coal-fired power plants May. 14, 2013
8425631 Fuel usable to control the emissions and/or opacity of gas released into the atmosphere Apr. 23, 2013
8414665 Production of functionally effective organic molecules from lignite cleavage Apr. 9, 2013
8409305 Pretreatment method for the synthesis of carbon nanotubes and carbon nanostructures from coal and carbon chars Apr. 2, 2013
8366795 Catalytic gasification particulate compositions Feb. 5, 2013
8313543 Bromine chloride compositions for removing mercury from emissions produced during fuel combustion Nov. 20, 2012
8313323 Sorbents for coal combustion Nov. 20, 2012
8282693 Method of operating a thermal installation and use of such a method for inhibiting vanadium corrosion Oct. 9, 2012
8257451 Preparation of fuel usable in a fossil-fuel-fired system Sep. 4, 2012
8250996 Process and apparatus for burning coal instead of oil Aug. 28, 2012
8197561 Process for drying coal Jun. 12, 2012
8197562 Modification of rheological properties of coal for slurry feed gasification Jun. 12, 2012
8128825 Method and system for production of biofuels using a fiber conduit reactor Mar. 6, 2012
8114368 Sorbents for coal combustion Feb. 14, 2012
8105516 Method and apparatus for producing a coal cake for coking Jan. 31, 2012
8083815 Process to prepare methanol and/or dimethylether Dec. 27, 2011
8057556 Processing paint sludge to produce a combustible fuel product Nov. 15, 2011
8056529 Rotary internal combustion engine for combusting low cetane fuels Nov. 15, 2011
7988939 Sorbents for coal combustion Aug. 2, 2011
7909896 Process for production of low temperature char during production of low temperature tars Mar. 22, 2011
7901473 Pre-burning, dry process methodology and systems for enhancing solid fuel properties Mar. 8, 2011
7883683 Carbon foam and high density carbon foam assembly Feb. 8, 2011
7862630 Chemical change agent Jan. 4, 2011
7824645 High density carbon from coal Nov. 2, 2010
7767183 Production of carbon foam from coals Aug. 3, 2010
7766984 Method of increasing carbon foam yield Aug. 3, 2010
7744662 Coal drying method and equipment, method for aging reformed coal and aged reformed coal, and process and system for producing reformed coal Jun. 29, 2010
7695535 Process for in-situ passivation of partially-dried coal Apr. 13, 2010
7666235 Microwave drying of coal Feb. 23, 2010
7662353 Methods and systems for removing mercury from combustion flue gas Feb. 16, 2010
7651541 Chemical change agent Jan. 26, 2010
7628973 Simultaneous production of high density carbon foam sections Dec. 8, 2009
7588608 Cellular coal products and processes Sep. 15, 2009
7578860 Cellular coal products and processes Aug. 25, 2009

1 2 3 4 5

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