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4306892 |
Disposable air freshening packet
A disposable packet, containing an air freshening medium, and formed with securing elements such that the packet may be positioned and retained in an air stream for removing contaminants and...
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4292285 |
Method for removing compounds with offensive odor from a gas containing the same
A method for removing compounds with offensive odor from an exhaust gas containing the same with a deodorant comprising a mixture of spherical particles of activated carbon and spherical particles...
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4285905 |
Method and article for dispersing a volatilizable compound in an environment
A solid unitary article and method for dispersing a volatilizable compound in an environment. A solid article consisting essentially of from about 25 to 30 wt. % initially particulate calcium...
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4268285 |
Air freshening apparatus
The disclosed apparatus dispenses volatized air freshener compound into the room air forcibly moving the air through a prefilter and a high efficiency filter utilizing a fan disposed in the space...
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4268487 |
Method of minimizing manganese dioxide sludge formation
The method for minimizing manganese dioxide sludge formation comprising: to a water solution of potassium permanganate adding the article of commerce called "silicate of soda" in sufficient...
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4256710 |
Process for deodorization
A gas containing bad smell substances and a washing solution for deodorization are fed into a wash tower so as to carry out the deodorization by the gas-liquid contact. An aqueous solution of an...
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4256728 |
Deodorization method
A deodorization method which comprises allowing a bad-smelling gas containing (a) hydrogen sulfide and/or a mercaptan, (b) a sulfide and/or a disulfide and (c) ammonia and/or an amine to contact...
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4244710 |
Air purification electrostatic charcoal filter and method
An air purification filter is provided which has a housing; an inlet in the housing for air to be purified; a microporous filter medium, activated charcoal, which is placed in the housing so that...
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4225381 |
Method for removing odor from fluid
A method for removing malodorous sulfur compounds from a fluid containing such compounds. In this method, fungi belonging to genera Cephalosporium, Paecilomyces, Penicillium, Aspergillus,...
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4212852 |
Method of deodorizing gas containing hydrogen sulfide and ammonia and/or amines
Malodorous gas containing (1) ammonia and/or amines and (2) hydrogen sulfide is deodorized by reacting the gas with oxygen in the presence of activated carbon having supported thereon at least a...
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4211750 |
Brush and deodorant holder
A toilet brush and deodorant holder has a base and a child-proof, removable, elongated, upright cylindrical column supported thereon. The column comprises inner and outer concentric walls radially...
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4201663 |
Method and apparatus for the enhanced treatment of food processing waste waters using aerobic microorganisms
A method and apparatus for treating waste water, containing large quantities of organic material, by means of an aerobic bacteriological process which uses a plastic film to support an air...
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4197271 |
Air freshener
An air freshener for use, for example, in an automotive vehicle in which an annular scented pad is disposed within a hollow housing formed of mating, shallow, pan-shaped tray sections. One of the...
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4172880 |
Process and apparatus for automatically controlling the acid concentration in gas scrubbing solution
Optimum concentration of the acid-scrubbing solution employed in a scrubbing tower for removal of malodorous and/or toxic gases from the air is maintained automatically in a control system which...
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4162289 |
Filter unit for avoiding environmental pollution in cemeteries
The present invention relates to filtering units or cartridges useful for avoiding environmental pollution resulting from the decomposition of corpses in cemeteries. The units or cartridges...
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4161554 |
Method for preventing polymers formation in styrene storage containers
A protective curable coating containing a polymerization inhibitor, extractable from the cured coating, which is applied to surfaces located above the liquid level of a storage tank containing a...
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4133652 |
Electronic air conditioner
An electronic air conditioner, in which a charging section, a dust collecting section (including an electrostatic dust collecting section and an ozone reducing section) and a negative ion...
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4071616 |
Starch air freshener gels
An air freshener gel comprising 2.5-15% amylose, 0.25-30% perfume, up to 5% pigment, and the balance water.
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4049400 |
Air purifying apparatus
This specification discloses an air purifying apparatus having an ozone generator and an electrostatic filter. The air purifier includes two charge carrying plates abutting opposite sides of a...
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4035451 |
Cartridge forming part of a system for inducing air flow past a product capable of being vaporized
A cartridge, which forms part of a system for inducing air flow past a product capable of being vaporized, includes a hollow, apertured container and a support of strip material having a convoluted...
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4028073 |
Container for air treating material
A stamped metal container for attachment to a structure in a fluid system as, for example, an air filter, for holding a body of fluid treating material in the system and having a bottom, a...
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4028045 |
Specialized candle
A candle having a columnar body therein of a mixture of wax and a specializing additive, and method of making same including the steps of: forming an elongated cavity within the body of a candle;...
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4002722 |
Process and apparatus for wet treatment of vent gas
Vent gas containing disagreeable odor components consisting mainly of phenolic substances evolving from foundries using shell molding sand containing phenol resin as a binder is efficiently...
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3990848 |
System for inducing air flow past a gel type product
A system, which induces air flow past a gel type product and into the environment, comprises a cartridge that includes a porous container for holding the product and a battery mounted with the...
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3969479 |
Odor control method
A method for oxidizing odorous constituents of contaminated gas with minimum consumption of the oxidizing agent. Apparatus is disclosed for causing contact between the contaminated gas and the...
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3966407 |
Air sterilizing compressor system
A system for providing a large volume flow of sterilized air through a serviced medical service facility for significantly reducing sources of airborne contamination in the facility comprises a...
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3948445 |
Material vapor generator with heat accelerated vapor release
A vapor generator with air freshening material and/or insecticide materials stored in porous material of the generator subject to heat accelerated vaporization release. Controlled vapor release of...
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3942941 |
Arrangement for sterilizing a stream of gas
A source of gas under pressure is interconnected by conduit means with at least one point of use through gas conditioning means which may include filter means and heater means and retention means...
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3936283 |
Compact gas purifier
This invention is a compact gas purifier useful as a home air purifier. Gas scrubber action is achieved in a specially shaped bowl partially filled with liquid. A central rotor drives the liquid by...
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3927667 |
Diffuser drape
The invention relates to diffuser drapes and has a particularly useful application in such drapes as those used in surgical operations. Early experiments met with difficulties in providing a...
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3864080 |
Room odor control
A dispenser for liquids controlling room odors in which limited amounts of liquid are deposited on a dispensing blade and the blade is brought into contact with a rough surface on a revolving disk...
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3858645 |
AIR STERILIZING PLANT
Air sterilizing plant for supplying completely sterile air which includes in the heating path of the air stream a filter means heated to the air sterilization temperature to assure uniformity of...
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3827342 |
AIR CIRCULATING DEVICE
An air circulating device having telescoping members adjustable vertically, and having means for treating air passing therethrough, and having air intake means in the base thereof and air difusing...
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3795438 |
APPARATUS FOR PERMEATING AN AUDITORIUM WITH ODOURS IN CONJUNCTION WITH PROJECTION OF A MOTION PICTURE FILM
A method and apparatus for introducing controlled amounts of odors into an auditorium generally in conjunction with, for example, a visual presentation. Cartridges or other receptacles containing...
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3758029 |
METHOD AND APPARATUS FOR AIR-CONDITIONING
When air is introduced for heating, cooling or ventilation of rooms in building, for example in a hotel located in a polluted air district, oxygen in an amount calculated to meet the requirements...
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3750556 |
AIR PURIFYING MEANS
Disclosed is apparatus for conditioning the air being supplied to a confined space, such as the compartment of a motor vehicle, the apparatus including an ozone generator being disposed as the...
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3732075 |
AIR POLLUTION CONTROL DEVICE
An air pollution control apparatus for removing pollutants from exhaust gases prior to discharge into the atmosphere which includes both mechanical and chemical filtering of the gases. The gases...
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3721067 |
CLEAN AIR SYSTEM FOR HOSPITAL OPERATING ROOMS
Two relatively shallow floor to ceiling cabinets are located against one end wall of a hospital operating room and extend side by side along the wall for a major portion of the room width. Each...
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3661323 |
ODOR NEUTRALIZING DEVICE
An odor neutralizing device for use with a heating and/or air conditioning system having an air return duct and a blower for use in a self-contained apparatus having an air passage with a fan or...
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3654432 |
ELECTRICALLY HEATED CATALYTIC AIR PURIFIER
The invention relates to air-treatment equipment for removing impurities from the air, particularly substances having an odor or taste and bacterial spores. The equipment includes a heating...
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3654534 |
AIR NEUTRALIZATION
A gas such as common air may be treated so as to be electrically "neutralized" by passing the gas through the space between charged electrodes. These electrodes are changed by an AC current having...
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3638402 |
VENT FOR SOIL PIPE STACK
A soil pipe vent stack having a cartridge-type filter telescopically arranged within the open upper end thereof, the filter being adapted to control the emission of obnoxious gases from the vent...
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3633881 |
EVAPORATIVE DEODORIZING SYSTEM
This apparatus for evaporating deodorant liquid into a room, or into an air-circulating system, has a centrifugal blower that draws air through an air supply passage in which a wick for deodorizing...
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3617214 |
DOOR-OPERATED AIR FRESHENER
A door-operated air freshener assembly has a bracket for supporting a pressurized fluent freshening material container having a normally closed supply nozzle and valve structure responsive to...
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3606996 |
METHOD FOR STERILIZATION
A method for the sterilization utilizing essentially instantaneous and transient thermal pulses generated in a gaseous medium in contact with the surfaces. The thermal pulses kill the...
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3547576 |
AIR STERILIZATION PROCESS
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3530647 |
APPARATUS FOR CONTROL OF AIR POLLUTION
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3528781 |
AIR POLLUTANT REMOVAL APPARATUS HAVING HORIZONTAL BED FOR AIR - LIQUID CONTACT
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3526081 |
GAS PURIFICATION
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3518046 |
METHOD AND APPARATUS FOR THE DESTRUCTION OF AIRBORNE MICROORGANISMS WITHIN A ROOM
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