Patents
Patents for B01D 53 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols (135,933)
04/1976
04/27/1976US3953586 Precipitation of sulfur, sulfur dioxide
04/27/1976US3953578 Method for purification of industrial flue gases
04/27/1976US3953577 Process for purifying gases containing HCN
04/27/1976US3953576 Maximizing conversion of nitrogen oxides in the treatment of combustion exhaust gases
04/27/1976US3953575 Iron oxide sorbents for regenerative sorption of Nox
04/27/1976US3953369 Nonionic surfactant
04/27/1976US3953363 Nickel, copper, noble metals
04/27/1976US3953360 Preparation of selective adsorbing particles
04/27/1976US3953345 Method for the production of activated carbon spheres containing nitrogen
04/20/1976US3951866 Process for preparing catalysts
04/20/1976US3951865 Catalytic purifier unit
04/20/1976US3951860 Catalyst
04/20/1976US3951844 Corrosion inhibition of aqueous potassium carbonate gas treating systems
04/20/1976US3951790 Thiuram polysulfide heavy metal remover
04/20/1976US3951789 Polyamideamines
04/20/1976US3951622 Time release perfume method and device
04/20/1976US3950944 Exhaust gas cleaning system for the internal combustion engine
04/13/1976US3950493 Process for absorbing SO3
04/13/1976US3950492 Process for removal of ammonia, hydrogen sulfide and hydrogen cyanide from gases containing these substances
04/13/1976US3950491 Carbonyl halide gas
04/13/1976US3950478 Spinning a solution of an aluminum compound and a polymer
04/13/1976US3950447 Semipermeable membrane
04/13/1976US3950155 Automatic air-purifying system
04/13/1976US3950154 Regenerating drying system
04/13/1976US3950150 Method and device for removing water vapor
04/13/1976US3949684 Method for oxidation of sulfur-containing substances
04/06/1976US3949109 Sintered glass-ceramic fibers
04/06/1976US3949060 Purification, gamma aluminum oxide
04/06/1976US3949057 Air pollution control of oxides of nitrogen
04/06/1976US3949056 Method for treating air containing odoriferous substances
04/06/1976US3949055 Process for oxidative destruction of gaseous or smoke-like substances
04/06/1976US3949053 Incineration of combustible materials with liquid fuel
04/06/1976US3948864 Partially crosslinked silalactone polymers, their preparation and their use
04/06/1976US3948810 Monolithic catalyst support member
04/06/1976US3948775 Horizontal packed column consisting of multiple chambers with fluid distributors
04/06/1976US3948624 Removal of sulfur compounds from gas streams
04/06/1976US3948611 Catalytic converter having hollow, gas-filled mounting means for a monolithic catalyst
04/06/1976US3948608 Apparatus for treating stack gases
04/06/1976US3948213 Coating-impregnating chamber for catalyst support members
04/06/1976US3948046 Anti-pollution device for treating exhaust from internal combustion engines
03/1976
03/30/1976US3947612 Method of forming active surfaces on solids
03/30/1976US3947552 Process for the purification of cyanogen chloride
03/30/1976US3947547 Reduction to hydrogen sulfide
03/30/1976US3947546 Oxidation of sulfur oxides using ozone
03/30/1976US3947545 Oxidation, reduction, catalytic
03/30/1976US3947544 Catalyst bed
03/30/1976US3947380 Mixed oxides
03/30/1976US3947379 Process for reducing nitrogen oxides by treating catalyst support and a metal nitrate with urea and thereafter calcining
03/30/1976US3947340 Method for forming γ-alumina coating on refractory article
03/30/1976US3947258 Vapor stripping and recovery method and apparatus
03/30/1976US3946752 Flue gas valve for the refining process in the inert gas system
03/23/1976US3946118 Process for retaining freshness of fruits, vegetables and cereals
03/23/1976US3946101 Filtering material
03/23/1976US3945948 Mixed oxides of ruthenium and a base metal, exhaust system(catalytic)
03/23/1976US3945947 Catalyst for purifying exhaust gases
03/23/1976US3945946 Platinum group metals, oxides of chromium or tungsten, alumina, ivb oxides
03/23/1976US3945904 Coulometric titrators, flue gases, oxygen, hydrogen sulfide, sulfur dioxide
03/23/1976US3945811 Process for removing sulfur compounds from gases
03/16/1976US3944650 Process for removing oxides of sulfur, dust and mist from combustion waste gas
03/16/1976US3944649 Multistage process for removing sulfur dioxide from stack gases
03/16/1976US3944646 Radioactive krypton gas separation
03/16/1976US3944505 Catalytic structure
03/16/1976US3944504 Catalyst for the diminution of automobile exhaust gases
03/16/1976US3944403 Adsorptive devices
03/16/1976US3944402 Air pollution control apparatus and process
03/16/1976US3944401 Process for the removal of gaseous impurities from the exhaust gases of a contact-process plant for the production of sulfuric acid
03/16/1976US3944400 Method and apparatus for separating gases
03/16/1976US3943719 Hydride-dehydride power system and methods
03/09/1976US3943407 Method and apparatus for producing increased quantities of ions and higher energy ions
03/09/1976US3943230 Process for the removal of sulfur oxide from waste gas
03/09/1976US3943229 Method of removing iodine and compounds thereof from gaseous effluents
03/09/1976US3943228 Process for efficiently purifying industrial gas
03/09/1976US3943227 Polyolefin composition and use of same in alkaline solutions
03/09/1976US3943226 Alkali metal aluminate
03/09/1976US3943057 Membrane support-plates and fluid separating apparatus in which they are present
03/09/1976US3942960 Apparatus and methods for contacting gases or vapours with particulate solid material
03/09/1976US3942951 Contact plate for mass-exchange apparatus
03/09/1976US3942330 Gas drying apparatus and method
03/09/1976US3942264 Method for thermal afterburning of exhaust air from industrial working plants and device for carrying out this method
03/02/1976US3941875 Process for treating gas containing hydrogen sulfide
03/02/1976US3941573 Apparatus for removing anesthetic gases
03/02/1976US3941572 Process for gas-absorption and dust-removal
03/02/1976US3940912 Method for preparation of deuterium by isotope separation
02/1976
02/17/1976US3939251 Desulfurization
02/17/1976US3939250 Molybdenum, cobalt, nickel or iron containing catalyst on alumina
02/17/1976US3939104 Catalytic process
02/17/1976US3939103 Catalytic product for the oxidative destruction of gaseous organic compounds and method for their preparation
02/17/1976US3939097 Copper-aluminum-nickel or chromium alloy
02/17/1976US3939006 Hydrogen absorbing material for electrochemical cells
02/17/1976US3938959 Catalyst-type exhaust gas purifying device
02/10/1976US3937795 Desulfurizing process for hydrogen sulfide-containing gases
02/10/1976US3937788 Treatment of gases containing sulfur dioxide
02/10/1976US3937787 Sodium, potassium, or ammonium carbonate, scrubbing
02/10/1976US3937622 Air purifier system
02/03/1976US3936525 Removal of sulfur dioxide from stack gases with phosphate slimes
02/03/1976US3936281 Alkaline earth metal carbonate
01/1976
01/27/1976US3935296 Multistage, in the form of calcium sulfite
01/27/1976US3935295 Adsorption with zinc oxide, calcium compound and binder
01/27/1976US3935294 Vapor phase chromatography
01/27/1976US3935188 Removal of hydrogen cyanide from acidic gases