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US Patent 7094321 Device for controlling the gas pressure in a coke oven chamber

US Patent 7097743 Method for operating a coke-oven battery

US Patent 7118723 Method for producing nitric acid

US Patent 7122099 Method and device for evacuating hot raw gases from coke ovens

US Patent 7182840 Method and device for exploiting heat resulting from the production of 1,2-dichloroethane

US Patent 7244405 Method for cleaning coke oven gas

US Patent 7258849 Method for the production of nitric acid

US Patent 7259121 Method of reducing the N

US Patent 7291757 Method and device for utilizing heat in the production of 1,2-dichloroethane

US Patent 7309471 Method for producing unsaturated halogenic hydrocarbons and device suitable for use with said method

US Patent 7393512 Denitrification method

US Patent 7435983 Device for injecting electromagnetic radiation into a reactor

US Patent 7485276 Method for the removal of No

US Patent 7531146 Synthesis furnace

US Patent 7566049 Cooling device for coke-oven gas

US Patent 7604684 Method for selective removal of hydrogen sulphide and CO

US Patent 7604686 Method and device for cooling vapor in a desorption column

US Patent 7670572 Multi-phase fluid distributor for a bundled-tube reactor

US Patent 7671244 Method for producing 1,2-dichloroethane by means of direct chlorination

US Patent 7674321 Method for removing acid gases from pressurized natural gas that is contaminated with acid gas compounds and recovering the removed acid gases at an increased pressure level

US Patent 7678956 Method for catalytically dehydrating propane to form propylene

US Patent 7682425 Method for removing ammonia and dust from a waste gas that results during the production of fertilizers

US Patent 7682579 Method and device for nozzle-jetting of oxygen with radial catalyst flow

US Patent 7682597 Method for extracting hydrogen from a gas that contains methane, especially natural gas, and system for carrying out said method

US Patent 7699908 Method for displacing acid gas constituents inside a natural gas network

US Patent 7744839 Method for reducing the nitrogen oxide concentration in gases

US Patent 7753985 Reduction of biuret and free ammonia during a method for producing fertilizer granulates containing urea

US Patent 7815829 Process and device for producing horizontally tamped coal cakes

US Patent 7816576 Method for catalytically dehydrating hydrocarbons

US Patent 7824542 Process for enhancement of the selectivity of physically acting solvents used for the absorption of gas components from industrial gases

US Patent 7837974 Method for heating and partial oxidation of a steam/natural gas mixture after a primary reformer

US Patent 7854915 Method of producing sulfuric acid and installation for carrying out the method

US Patent 7906091 Removal of laughing gas in nitric acid production

US Patent 7959768 Partial load enabled falling film evaporator and method for operating a partial load

US Patent 8007569 Method for removing hydrogen sulphide and other acidic gas components from pressurized technical gases