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Patent # Description
US-4,341,570 Process for producing an injection laser and laser obtained by this process
Process for producing an injection laser and laser obtained by this process. The active layer is weakly n doped. The same mesa is used for carrying out a proton...
US-4,341,569 Semiconductor on insulator laser process
A beam of radiant energy such as a laser beam is applied to an epitaxial silicon island on a silicon on sapphire device before formation of overlying layers of...
US-4,341,568 Method and apparatus for washing objects
A device and method for washing an object in a receptacle. The device includes an end portion introducible into and cooperative with the receptacle to define a...
US-4,341,567 Method of vapor degreasing
A contaminated article is subjected to vapor degreasing operations wherein the vapor degreasing solvent is a blend consisting essentially of methylene chloride...
US-4,341,566 Eutectic mixture as a flux for glass melts
A novel flux for glass compositions which is an eutectic mixture of lithium carbonate and sodium sulfate (liquidus temperature 496.degree. C.) is used in...
US-4,341,565 Liquid colorant composition
There is disclosed a stable liquid gel of colorants useful for incorporation in thermoplastic and thermosetting resins. The liquid gel comprises a liquid vehicle...
US-4,341,564 Corrosion inhibitive pigment
Corrosion inhibiting pigments are obtained by partial reduction of a hexavalent chromium compound in aqueous solution obtaining a reaction product containing 5...
US-4,341,563 Protective coating compositions
Protective coating composition which comprises dispersed fine particles of one or more of compounds selected from a metal salt of a higher fatty acid, a higher...
US-4,341,562 Lightweight aggregate
A lightweight aggregate of low energy requirements for use in making lightweight concrete comprising cement kiln dust pellets or cement kiln dust and fly ash...
US-4,341,561 Foamed insulating refractory
An unfired foamed-in-place two component insulating refractory and the method for preparing the same. The composition is composed of hydraulic cement, water and...
US-4,341,560 Waterproof gypsum molded product
The present invention provides a gypsum molded product having excellent waterproof properties without impaired strength by adding alkaline metal alkylsiliconates...
US-4,341,559 Binders based upon solutions of alkali metal silicates
This invention is directed to binder compositions based upon aqueous solutions of alkali metal silicates. More particularly, this invention is directed to binder...
US-4,341,558 Metal surface coating agent
A composition and process are useful for imparting corrosion resistance and paint receptivity to metal surfaces. The process involves application of an aqueous...
US-4,341,557 Method of hot consolidating powder with a recyclable container material
A method for hot consolidating powder of metallic and nonmetallic composition to form a densified powder article by forming a container of a material which melts...
US-4,341,556 Material for electrical contacts
There is described a material for electrical contacts based on silver having 5 to 20 weight % tin oxide and 0.5 to 5 weight % tungsten oxide which has the...
US-4,341,555 High strength austenitic stainless steel exhibiting freedom from embrittlement
An austenitic stainless steel having high strength, good hot workability, good corrosion resistance, and freedom from embrittlement both in the cold-worked and...
US-4,341,554 Process for desulfurizing steel
A process for desulfurizing molten steel which includes the formation of a synthetic slag layer, the formation of a cover which occludes the ambient air, and the...
US-4,341,553 Method of, and cupola furnace for, the introduction of treatment agents into cupola iron melts
A cupola furnace has a hearth 1 with tuyeres 2, a floor 3 and a tapping duct 4 leading to a forehearth 5. To enable treatment agents to be introduced into the...
US-4,341,552 Granular pesticidal composition and method of preparing same
The invention relates to a granular pesticidal composition the core of which is surrounded by a layer containing silicon dioxide which is silanated at the...
US-4,341,551 1,2,3,-Thiadiazole-5-carboxylic acid derivatives
A process for producing compounds of 1,2,3-thiadiazole-5-carboxylic acid is described. These compounds are effective as herbicides, fungicides and plant growth...
US-4,341,550 Herbicide compositions
Herbicidal compositions consisting of an active herbicidal compound and an antidote therefor and the methods of use of the herbicide composition are described...
US-4,341,549 Phosphonium salts of N-phosphonomethylglycine and their use as herbicides and plant growth regulants
Novel phosphonium salts of N-phosphonomethylglycine are disclosed herein, having the formula ##STR1## in which R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are...
US-4,341,548 N-(2-Cyclohexylphenyl)-N',N'-diethyl-ethylene diamine, algicidal compositions containing same, and method of use
There is disclosed N-(2-cyclohexylphenyl)-N', N'-diethyl-ethylene diamine. The compound is useful as an algicide. Compositions containing the compound and...
US-4,341,547 Apparatus for enclosing highly radioactive waste material in a glass melt
A method and apparatus for encapsulating or embedding highly radioactive waste in glass within an ultimate storage container in which molten glass is transferred...
US-4,341,546 Roll drive mechanism for glass sheet processing equipment
A roll drive mechanism (14) for a horizontal roller conveyor (12) of glass sheet processing equipment (10) has particular utility with a heating furnace (18) of...
US-4,341,545 Beading apparatus for making an electron gun assembly having self-indexing insulating support rods
A beading apparatus for an electron gun assembly having a plurality of self-indexing insulating support rods with a plurality of indexing cavities formed in a...
US-4,341,544 Method of making peraluminous nepheline/kalsilite glass-ceramics
The present invention is concerned with glass-ceramic articles which are extremely resistant to impact and spontaneous delayed breakage, are capable of being...
US-4,341,543 Method of making strengthened transparent glass-ceramic, partially body-crystallized, and surface-crystallized...
This invention is directed to means for producing strengthened, transparent glass-ceramic, partially body-crystallized, and surface-crystallized glass articles...
US-4,341,542 Manufacturing method of glass for optical transmission body
A method of manufacturing glass for an optical transmission body includes the steps of precipitating an oxide of a glass forming element by the hydrolysis...
US-4,341,541 Process for the production of optical fiber
A process for preparing a preform for the production of optical fiber by depositing and sintering glass particles upon a glass rod is disclosed. The process...
US-4,341,540 Vacuum cleaner accessory
The present accessory is connected between the pickup head and the intake of a dry vacuum cleaner to catch water drawn in through the pickup head when the vacuum...
US-4,341,539 Thermally regenerative desiccant element
A thermally regenerative desiccant element comprising micron size silica gel and held within an expanded web of a fluoroplastic elastomer is disclosed. The...
US-4,341,538 Intravenous filter
A filter for intravenous solutions including a flat, rectangular housing formed of two pieces sandwiching a filter sheet diagonally from end to end with support...
US-4,341,537 Shorting and test mechanism for electrostatic air cleaner
A shorting and test mechanism for an electrostatic air cleaner uses an electrically conductive spring element attached to an access door to the air cleaner...
US-4,341,536 Method for continuously removing fine dust particles from gases
A method for continuously removing fine dust from gases which contain them, consisting of: introducing the gas at a gas linear velocity of 10 to 80 m/sec and a...
US-4,341,535 Ammonium sulfate recovery process
The heavy organic material contained in the liquid bottoms from the quench column of an acrylonitrile recovery and purification system is extracted therefrom...
US-4,341,534 Method and apparatus for degassing the pressure fluid of a hydraulic system
A method and apparatus are disclosed for degassing the pressure fluid of a hydraulic system, in which a vacuum is maintained in the free space above the pressure...
US-4,341,533 High-hardness abrasive product based on alumina and aluminium oxycarbides and process for preparing same
The invention relates to a new class of high-hardness abrasive products and wear resistant parts based on alumina and aluminium oxycarbides. By fusing alumina in...
US-4,341,532 Laminated rotary grinder and method of fabrication
A laminated rotary grinder including a parallity of thin grinding stone discs laminated together in an axial direction wherein the thickness of each of the discs...
US-4,341,531 Production of methane-rich gas
Methane-rich gas is produced by reacting gas mixtures comprising CO and at least one member selected from the group consisting of H.sub.2 and H.sub.2 O, such as...
US-4,341,530 Slurry atomizer for a coal-feeder and dryer used to provide coal at gasifier pressure
The present invention is directed to a coal-water slurry atomizer for use a high-pressure dryer employed in a pumping system utilized to feed coal into a...
US-4,341,529 Motor fuel
Liquid hydrocarbon fuel compositions are provided containing antiknock quantities of ashless antiknock agents comprising selected N-alkyl derivatives of...
US-4,341,528 Simple, non-chromatographic, highly specific method for the determination of urinary vanilmandelic acid
The Habbal reaction as a simple spectrophotometric method for the determination of urinary vanilmandelic acid (VMA) is presented. The Habbal reaction is based on...
US-4,341,527 Process and reagent for determination of the hemoglobin content of blood
A reagent for photometric determination of the hemoglobin content of blood, which produces a characteristic color upon addition of the blood sample, consisting...
US-4,341,526 Levelling agent and process of levelling for the disperse dyeing of hydrophobic materials
The present invention involves an improved levelling agent and a method of using it in the disperse dyeing of hydrophobic synthetic fiber materials such as...
US-4,341,525 Adjustable mounting for cooperating die cylinders
In apparatus having a pair of spaced apart cylinders rotatable on respective axes that are substantially parallel and lie in a common plane, each cylinder has at...
US-4,341,524 Working head for a passepartout-machine
The invention relates to a working head for a so called passepartout-machine by means of which rectangular cuttings and/or impressions can be made in a plain...
US-4,341,523 Apparatus for manufacturing paper pipes
An apparatus for manufacturing paper pipes including two stationary drums provided on one side of a fixed mandrel and two movable drums provided on the other...
US-4,341,522 Method and apparatus for making pouches with dispensing fittings
A machine and method for making pouches from plastic film material, with one or more fittings secured to a wall of the pouch. A web of the plastic film material...
US-4,341,521 Psychotherapeutic device
A psychotherapeutic device for use by a therapist with a non-verbal or resistant child subject, is provided wherein the child is shown a page of a book depicting...
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