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Patent # Description
US-5,631,958 Automatic echo cancellation for an integrated services digital network interface
An echo canceler is connected to an ISDN Primary Rate Interface. The echo canceler is provided with an activation processor for monitoring call control messages...
US-5,631,305 Azeotropic compositions of dimethoxymethane and cyclopentane and the use thereof in the production of foams
An azeotropic composition made up of from about 58 to about 77% by weight of dimethoxymethane and from about 23 to about 42% by weight of cyclopentane is used as...
US-5,631,089 Preparation of glass/plastic laminates having improved optical quality
A glass/plastic laminate useful in glazing applications which has improved optical quality is provided by controlling the incidence of optical defects induced...
US-5,629,922 Electron tunneling device using ferromagnetic thin films
Ferromagnetic/insulator/ferromagnetic tunneling has been shown to give over 10% change in the junction resistance with H less than 100 Oe, at room temperature...
US-5,629,344 Urea opthalmic ointment and solution
A topical ophthalmic preparation utilizing a urea and/or urea derivative or mixtures thereof as the principle active ingredient within a range of about 0.01% by...
US-5,628,811 Method of ameliorating acid soil to enhance plant growth
A method of ameliorating acid soils so as to enhance plant growth is provided by adding to soil 0.05 to 20 percent by weight, based on the weight of the soil, of...
US-5,628,392 Reversible belt scraper blade for cleaning high speed conveyor belts
A reversible belt scraper is provided with opposite belt scraping surfaces and is adapted to be reversed by inverting. The belt scraper is formed with a pair of...
US-5,628,093 Reversible zipper assembly
A mattress assembly includes a mattress base and a mattress top having first and second major surfaces extending to a peripheral edge. Slidable fastener means...
US-D379,235 Combined tree seat and foot rest
US-5,627,340 Floor box with improved activation ring
A plastic floor box assembly for use with electrical raceways installed in concrete floors, having a plastic box, an activation ring, a cover plate for retaining...
US-5,627,303 Preparation of isophorone
This invention relates to the selective preparation of isophorone via aldol condensation of acetone using a calcined magnesium/aluminum mixed oxide catalyst...
US-5,627,242 Process for controlling gas phase fluidized bed polymerization reactor
Control of a gas phase polymerization reactor is performed with the product melt index, the reaction temperature, and the partial pressure of the controlling...
US-5,627,122 Highly active double metal cyanide complex catalysts
Highly active double metal cyanide (DMC) complex catalysts and methods for making them are disclosed. The catalysts contain less than about 0.2 moles of metal...
US-5,626,439 Diver's vest having compressed air tightening device
A diving outfit, vest and tightening device is provided for securing an air tank to a vest element. The device operates by air pressure supplied from the diver's...
US-5,626,049 Draw-process systems for fabricating one-piece can bodies
Draw processing flat-rolled sheet metal substrate preselectively precoated on each surface with organic coating and draw lubricant into one-piece can bodies...
US-5,625,117 Fuel gas stripping of rich amine to remove hydrocarbons
Minor amounts of C.sub.3 -C.sub.4 hydrocarbons from amine absorbents used in removing H.sub.2 S liquid C.sub.3 -C.sub.4 hydrocarbon are recovered. The process...
US-5,625,012 Process for reducing polymer build-up in recycle lines and heat exchangers during polymerization of alpha olefins
A method for inhibiting polymer build-up in a recycle line and a heat exchanger during a polymerization process of one or more alpha olefins, particularly sticky...
US-5,623,057 Pneumococcal polysaccharide conjugate vaccine
A novel conjugate vaccine comprising partially hydrolyzed, highly purified, capsular polysaccharide (Ps) from Streptococcus pneumoniae bacteria (pneumococci, Pn)...
US-5,623,009 Neo-diol phosphites as polymer stabilizers
A phosphite is provided having the formula: ##STR1## wherein Y.sup.1 is an alkyl group and Y.sup.2 is selected from the group consisting of sec-butyl and...
US-5,622,776 Coated glass fiber for use in evaporative cooler media and method of forming same
Hydrophilic glass fibers are formed by coating glass fibers with a blend of an amine-aldehyde with an acrylic. Evaporative cooler pads are produced by coating...
US-5,621,751 Controlling electrode gap during vacuum arc remelting at low melting current
An apparatus and method for controlling electrode gap in a vacuum arc remelting furnace, particularly at low melting currents. Spectrographic analysis is...
US-5,621,280 Illumination unit, and electrodeless low-pressure discharge lamp and coil suitable for use therein
An illumination unit comprises an electrodeless low-pressure discharge-lamp and a high-frequency power supply unit. The lamp has a gastight closed discharge...
US-5,618,973 Esterification process
An esterification process for producing glycol ether esters which comprises reacting a lower hydrocarbyl carboxylic acid with a glycol ether alcohol in the...
US-5,618,962 Diphosphites
A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and...
US-5,618,961 Diphosphites
A diphosphite is provided derived from phosphorous trihalide, tetra alkyl hindered bisphenol, and a neoalkyl diol. The phosphites exhibit improved stability and...
US-5,618,866 Neo diol phosphite esters and polymeric compositions thereof
A phosphite and stabilized thermoplastic composition comprising the phosphite where the phosphite has the formula: ##STR1## In the above compound, R.sup.7...
US-5,618,865 Fire resistant resin compositions
This invention relates to flame retardants for polyester and polyamide compositions, and specifically relates to compositions containing (1) about 30 to about 70...
US-5,616,767 Process for making biphenylene and bisphenylene phosphites
A process is provided for making 2,2 bisphenyl phosphites and 2,2 biphenyl phosphites. The process provides pure product without requiring a recrystallization...
US-5,616,661 Process for controlling particle growth during production of sticky polymers
A process for controlling the particle growth of a polymer in a gas phase polymerization reaction by using an inert particulate material and an unsupported...
US-5,616,626 Phenolic foam composition and use thereof for in place foaming
Provided is a composition for making a foam including a reactive phenolic resin, urea, and an isocyanate. Also provided is a method for making the foam and a...
US-5,616,424 Corrosion-resistant coated metal strip
A corrosion-resistant metal strip and method for making the same which is essentially lead free and is not highly reflective. The coating on the metal strip is a...
US-5,616,251 Methods to prevent and treat acid mine drainage and to remove metals and non-metals from aqueous sources
The present invention is directed to the use of water-soluble compositions containing a compound having a Lewis base group attached to a hydrophobic group where...
US-5,615,903 Utility cart having tool handle holding device
A utility cart having a tool handle holding device for firmly holding the handle of a long handled lawn or garden tool to the side of the utility cart is...
US-5,614,605 Rigid polyurethanes based on allophanate-modified aliphatic and/or cycloaliphatic polyisocyanurates
This invention relates to rigid polyurethanes prepared by reaction, at an isocyanate index of 95 to 110, of (a) an allophanate-modified aliphatic and/or...
US-5,614,571 Stabilizer blend containing phosphite
A stabilizer blend composition is provided containing a phosphite of the formula: ##STR1## wherein Y.sup.1 is an alkyl and Y.sup.2 is tert-butyl, and an...
US-5,614,565 Azeotropic compositions of perfluorohexane and hydrocarbons having 6 carbon atoms and the use thereof in the...
Azeotropic compositions made up of (a) from about 73 to about 88% by weight perfluorohexane and (b) one compound selected from (1) about 14 to about 27% by...
US-5,614,266 Continuous strip coating control methods
A coating control system is provided enabling continuous operations, free of interruption for coating control purposes, while achieving desired coating weight...
US-5,614,164 Production of mesophase pitches, carbon fiber precursors, and carbonized fibers
Producing carbon fiber precursors and carbonized fibers comprise by treating a thin film of catalytic pitch at elevated temperature conditions, treating the...
US-5,612,997 Off-hook disconnect and reconnect ringer device
An off-hook disconnect and reconnect ringer device will detect if a telephone is off-hook and will receive incoming telephone calls through the off-hook...
US-5,612,590 Electric lamp having fluorescent lamp colors containing a wide bandwidth emission red phosphor
A phosphor blend and a low pressure discharge lamp utilizing such a phosphor blend is provided having a lamp envelope 3 having an inner surface 15, means...
US-5,612,423 Process for manufacturing polyester copolymers containing terephthalate and naphthalate units
This invention is an improved process for producing polyester copolymers, which employs a combination of an acid-based process and an ester-based process. The...
US-5,612,382 Composition for percutaneous absorption of pharmaceutically active ingredients
A pharmaceutical composition for transdermally delivering pharmaceutically active ingredients through skin or mucosal tissues. The composition comprises...
US-5,610,350 Variable pitch drum
A variable pitch percussion instrument comprising a drum body having an open end with an annular edge, and at least one drumhead assembly, including, flexible...
US-5,610,235 High gloss graft copolymer blend containing emulsion graft copolymer and bulk graft copolymer
A thermoplastic composition is provided which exhibits the combined properties of high gloss, reduced viscosity, desirable levels of dart impact strength and...
US-5,610,203 Foamable fluoropolymer composition
An improved foam nucleation system based on selected boron nitride provides smaller foam cell size for melt-fabricable fluoropolymers.
US-5,610,107 Blue high silica glass
High silica glasses exhibiting blue color by transmitted light are produced by impregnating a porous, high silica glass with a solution of cobalt, aluminum, and...
US-5,609,053 Constant reduction multi-stand hot rolling mill set-up method
This invention relates to a method and apparatus for improving rolling mill efficiency by providing modified fixed setup parameters according to the class of the...
US-5,608,454 Eyewire inspection station
An eyewinder system 10 has stations 100-108 for straightening, bending, measuring and transporting a wire 11 to form an eyewire 109. A controller 120 controls...
US-5,607,726 Process for the preparation of composite coatings with variable thickness
Composite coatings are provided having a variable thickness and a coloration gradient in the cross-web direction using shims to direct flow in a premetered...
US-5,607,598 Treatment and disposal of red mud generated in the Bayer Process
Red mud bauxite residue produced in the Bayer Process is treated in a plurality of centrifuges and repulp tanks to successively wash and dewater the red mud. A...
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