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Patent # Description
US-4,633,481 Induction heating vessel
A vessel for inductively heating molten material such as glass is provided with a ceramic refractory lining bound by the electrical coil. The coil may comprise a...
US-4,632,698 Biocidal 2-aryl-1,3-cyclopentanedione enol ester compounds
2-Aryl-1,3-cyclopentanedione enol ester compounds exhibit outstanding acaricidal and herbicidal activity.
US-4,632,328 Inflatable mandrel and method therefor
An inflatable mandrel supported upon a cylindrical surface, the cylindrical surface opposing a mandrel ply coated on only one surface with a rubberizing compound...
US-4,632,217 Automatically adjustable climbing harness
A seat harness for mountain climbers is formed from a continuous length of woven fabric webbing having, at intervals, transverse slots formed therethrough by the...
US-4,632,087 Archery arrow support device
An improved arrow support device including a pair of arrow clamping jaws pivotally secured to a pivot frame connected along a vertical pivot axis to a support...
US-4,631,772 Tension arch structure
A structural system for use in bridges, buildings and other structures. The system supports part of its load by tension action and part of its load by arch...
US-4,631,039 Pipe flotation assembly
A pipe flotation assembly, packageable in kit form, includes interfitting interconnected frame members having flotation devices secured to the bottom thereof and...
US-4,629,806 Vapor state formation of diesters of oxalic acid
A continuous vapor state process for the preparation of diesters of oxalic acid from a nitrogen oxide, an alcohol and carbon monoxide.
US-4,629,803 Continuous phosphorylation process
A continuous process for producing alkyl and alkoxy alkyl phosphates in which an alkali metal alkoxide at a temperature at 50.degree. C. or less is continuously...
US-4,629,779 Low viscosity adducts of a polycaprolactone polyol and a polyepoxide
This invention is directed to adducts of a polycaprolactone polyol and a polyepoxide comprising the reaction product of at least one polycaprolactone polyol and...
US-4,629,756 Heat reflective polymer blends
A radiant heat reflective composition comprising a blend of a tetrafluoroethylene copolymer and copper flake.
US-4,629,225 Pipe joint for corrosion resistant alloys
A pipe joint especially suited for coupling two high strength, corrosion resistant pipes. The box end is expanded by a cold working operation thereby eliminating...
US-4,629,079 Transport carriage
An improved carriage for use in a skyline logging system simultaneously utilizing more than one load cable wth the same carriage for connecting to and dragging...
US-4,628,129 Process for the preparation of ethylene glycol
A process for the preparation of ethylene glycol by the catalytic hydrogenation of at least one of di(lower alkyl) oxalate and lower alkyl glycolate in the...
US-4,628,128 Process for the preparation of ethylene glycol by catalytic hydrogenation
A process for the preparation of ethylene glycol by the vapor phase catalytic hydrogenation of at least one of di(lower alkyl) oxalate and lower alkyl glycolate...
US-4,627,959 Production of mechanically alloyed powder
An improved method is provided for producing mechanically alloyed powders on a commercial scale comprising milling the components of the powder product in a...
US-4,627,834 Apparatus for performing suction lipectomy
A cannula is provided with a guide bar in which adjacent and overlying a hole formed in the cannula tip through which suction is applied to surgically aspirate...
US-4,626,587 Extrusion finishing of perfluorinated copolymers
Unstable backbone links in melt-processible tetrafluoroethylene copolymers can be reduced by subjecting the copolymer to high shear in a twin-screw extruder.
US-4,626,551 Homogeneous liquid phase process for making alkane polyols
This invention relates to the manufacture of valuable alkane polyols by reacting oxides of carbon, such as carbon monoxide, with hydrogen in the presence of a...
US-4,626,406 Activated sintering of metallic powders
A method for consolidating powder utilizing slurry extrusion or rolling techniques. A metallic powder, binder and boron containing activator are mixed together...
US-4,625,030 Potentiated nickel catalysts for amination
The present invention concerns a potentiated nickel catalyst and its use for the catalytic amination of lower aliphatic alkane derivatives.
US-4,624,988 Curing of thermoplastic tetrafluoroethylene/perfluoroalkyl ethylene copolymers
Crosslinking of copolymers of tetrafluoroethylene and perfluoroalkylethylene by heating in the presence of K.sub.2 AF is described.
US-4,624,706 Weld wire from extruded nickel containing powder
A method for directly fabricating weld wire utilizing powder metallurgy techniques. Nickel containing powder, mixed into a slurry, is continuously extruded in an...
US-4,624,705 Mechanical alloying
Aluminum-base alloys and a method of preparing aluminum-base alloys by mechanical alloying in the presence of a carbidiferous processing aid wherein a strong...
US-4,624,671 Method of sizing and implanting breast prosthesis
A method of sizing a breast prosthesis and implanting an accurately sized breast prosthesis is disclosed. The method invovles implanting an empty, inflatable...
US-4,623,674 Polymer/polyols of substituted styrenes and polyurethanes made therefrom
Stable dispersions of poly(para-methylstyrene), poly(vinyltoluene) and other substituted styrenes can be made in polyether polyols and thereafter formed into...
US-4,623,487 Process for recovery of fluorosurfactants
A process for recovering a fluoroalkanoic acid from an aqueous medium which comprises treating an aqueous mixture containing the acid or a selected salt of the...
US-4,623,388 Process for producing composite material
A process for producing composite materials which comprises subjecting particles of a malleable matrix material, i.e., a metal or alloy or the components of a...
US-4,622,558 Toroidal antenna
An electrically small, efficient electromagnetic structure, that may be used as an antenna or waveguide probe, having an electromagnetically closed,...
US-4,622,361 Flame retarded high modulus polyurethane elastomers and method of making same
A high modulus polyurethane elastomer having improved combustion resistance and satisfactory physical properties comprising the reaction product of a polyol or...
US-4,622,349 Blends of epoxides and monoepoxides
Described herein are compositions suitable for photocopolymerization comprising (a) an epoxide containing two or more epoxy groups, and (b) a hydroxyl...
US-4,621,996 Removable die center for extrusion dies
An extrusion die plate for a plastic pelletizing machine having a removable central insert having the plurality of extrusion orifices incorporated therein with...
US-4,621,952 Fluidized bed discharge process
A fluidized bed discharge process for transferring solid particulate material from a high pressure vessel to lower pressure through successive zones of settling...
US-4,621,116 Process for copolymerization of tetrafluoroethylene in the presence of a dispersing agent comprising a...
In the polymerization of tetrafluoroethylene with comonomers to make melt-processible copolymers, the presence of a selected salt of a perfluoroalkoxy-benzene...
US-4,620,014 2-furylbutyrolactones and methods for using same
Novel 2-furylbutyrolactones are directly formed by reaction of 2,5-dialkoxy-2,5-dihydrofurans and 2,3-dihydroxybutenolides in aqueous media and recovering...
US-4,618,835 Proximity sensor oscillator utilizing controlled charge
A proximity sensor oscillator is disclosed having controlled charge. The proximity sensor oscillator includes a resonant circuit which oscillates at a frequency...
US-4,618,635 Coating compositions prepared from lactone-acrylate adduct, polyol and isocyanate
Described herein are compositions comprising the reaction product of a polyol, a multi-functional isocyanate, a lactone-acrylate adduct and an hydroxyalkyl...
US-4,618,221 Adjustable reticle device
A telescopic sight having objective lenses, intermediate lenses and an eyepiece is provided with an adjustable reticle device which is disposed in the second...
US-4,617,746 Kicking shoe
An improved kicking shoe having a generally durable sheath housing and a pad upwardly protruding from the front portion of the shoe is disclosed. The pad has an...
US-4,616,986 Light weight tire mold for two piece tread ring
A mold for molding tires having complimentary sidewall rings and mating with a split tread ring having two halves each being a single cast piece having the tire...
US-4,616,137 Optical emission line monitor with background observation and cancellation
A fiber optics based optical emission line monitoring system is provided in which selected spectral emission lines, such as the sodium D-line emission in coal...
US-4,616,093 Process for preparing a diester of oxalic acid in the vapor phase
A process is disclosed for preparing a diester of oxalic acid by contacting carbon monoxide and an ester of nitrous acid in the vapor state under a pressure in...
US-4,616,050 Filler-containing hardenable resin products
A coarse/fine particulate inert solid filler component, e.g., limestone and/or sand, is used in a hardenable resin composition adapted for use in making set...
US-4,615,703 Intraocular lens delivery system
A system for collapsing the lens loops of an intraocular lens in preparation for insertion of the lens into a human eye and forming and maintaining the lens...
US-4,615,532 Locking balls for logging carriage
A ball stop is locked to a cable by inserting the cable through an opening in the ball. The ball is then rigidly clamped in place by a wedge which is inserted...
US-4,614,756 Stabilization composition for clear, impact-modified PVC
A composition comprising a dioctyl tin mercaptide, a zinc salt of a fatty acid such as zinc stearate and a conventional phosphite ester stabilizer is effective...
US-4,614,726 Process for cooling during regeneration of fluid cracking catalyst
In a process apparatus for the regeneration of fluid cracking catalyst, the catalyst is cooled in an exchanger mounted to the lower side of the regenerator and...
US-4,613,721 Small olefin interconversions
The process for the interconversion of "small olefins" selected from the class consisting of ethylene, propylene, butenes and mixtures thereof comprising...
US-4,613,617 Synergistic insecticidal compositions containing dione esters
Insecticidal compositions are provided which contain dione esters in admixture with other insecticides such as pyrethroid, carbamate or organophosphates. The use...
US-4,613,616 Polymeric iron chelators
The present invention relates to polymeric iron chelators based upon hydroxamic acids having the general formula: ##STR1## wherein R is hydrogen or lower...
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