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Patent # Description
US-5,034,024 Surfactant treatment of aromatic polyimide gas separation membranes
A process for improving the permselectivity of an aromatic polyimide gas separation membrane comprising contacting the membrane with a solution of a surfactant...
US-5,033,692 Level wind spooling device with reduced wear, friction and oil contamination
A level wind spooling device has a housing with lateral end walls, top, bottom, front and back walls forming a lubrication chamber. A spooling shaft journaled in...
US-5,032,621 Nucleating agents for thermoplastic resins
This invention relates to the use of a special class of sulfonic and phosphonic acids, and salts of the acids, to give improved nucleation for foam extrusion of...
US-5,032,190 Sheet processing for ODS iron-base alloys
The process of the invention provides an improved method for forming sheet of iron-base ODS alloys. Powder containing iron and a substantially uniformly...
US-5,032,149 Surfactant treatment of polyaramide gas separation membranes
A process for improving the permselectivity of asymmetric polyaramide gas separation membranes is disclosed. The process involves contacting the membrane with a...
US-5,030,773 Process for the production of butanediol
A process for the production of butanediol from the hydrogenation of .gamma.-butyrolactone is provided. The process involves passing vaporized ...
US-5,030,766 Catalysts for producing 1,3-diols and/or 3-hydroxyaldehydes, and processes for making and using same
A process for producing a 1,3-diol, e.g., 1,3-propanediol, or a 3-hydroxyaldehyde is disclosed which comprises contacting a combination of an epoxide, carbon...
US-5,029,670 Frame erection safety system and components thereof
The specification discloses a removable safety system for construction workers which is mounted on an I beam which provides a cable hand hold to which a safety...
US-5,027,742 Supercritical fluids as diluents in liquid spray application of coatings
A liquid coatings application process and apparatus is provided in which supercritical fluids, such as supercritical carbon dioxide fluid, are used to reduce to...
US-5,026,945 Perovskite catalysts for oxidative coupling
Perovskites of the structure A.sub.2 B.sub.2 C.sub.3 O.sub.10 are useful as catalysts for the oxidative coupling of lower alkane to heavier hydrocarbons. A is...
US-5,026,907 Production of carboxylic acids from alcohols using rhodium complex catalysts and organic ester source
A process for the production of organic carboxylic acids and organic carboxylic acid anhydrides by the catalytic reaction of an alcohol of the formula ROH and...
US-5,026,777 Low gloss thermoplastic molding compositions
Thermoplastic molding compositions having an inherent matte or low gloss surface finish comprise a polymer blend of a polycarbonate and an emulsion grafted ABS...
US-5,026,485 Method of treating wastewater from polymerization process
A method is disclosed for treating wastewater from a suspension styrene-acrylonitrile (SAN) copolymerization process. The wastewater contains SAN and polyvinyl...
US-D317,678 Combined broom and vacuum cleaner or similar article
US-5,025,094 Heterogeneous alkoxylation using anion-bound metal oxides
Active-hydrogen compounds, for example, primary and secondary alcohols or diols, are alkoxylated, for example, ethoxylated, using solid anion-bound metal oxide...
US-5,025,044 Extrusion isolation of blends of rubber and asphalt
Blends of asphalt emulsions or melts and aqueous elastomeric latices are prepared using a screw type extruder adapted to provide sufficient back pressure within...
US-5,025,020 Use of tetrandrine and its derivatives to treat malaria
The specification discloses the treatment of malaria through the use of tetrandrine and its derivatives.
US-5,024,952 Method for obtaining analytes from liquid menstrua for analysis
Solutes are obtained from liquid menstrua by bubbling gas through the liquid menstrua wherein solute passes to the interface between the bubble and the liquid...
US-5,024,434 Multiflex exercise device
Disclosed is a weight lifting apparatus which includes an elongated bar having a pair of spaced, open circular housings mounted thereto. Each of the circular...
US-5,023,285 Bis (tri-tertiary-alkylphenoxy) diphosphaspiroundecanes
A composition is provided which comprises a 3,9-bis (2,4,6-tri-t-alkylphenoxy)-2,4,8,10-tetroxa-3,9-diphosphaspiro[5.5]undecan e, and polymer compositions are...
US-5,023,279 Nucleating agents for thermoplastic resins
This invention relates to the use of a special class of sulfonic and phosphonic acids, and salts of the acids, to give improved nucleation for foam extrusion of...
US-5,022,324 Piezoelectric crystal powered ignition device
A device for ignition of a pyrotechnic material, comprising: (a) piezoelectric means for providing a high voltage electrical pulse in response to mechanical...
US-5,022,203 Vent ridge assembly
A vent ridge assembly for a metal roof includes a pair of adjacent roof sections spaced from one another. Each of the roof sections is constructed of a roof...
US-5,021,608 Activating undercarpet cable from infloor conductors
A junction splice and an adaptor for electrically connecting the flat conductors of under carpet cable with the round power conductors from an underfloor raceway...
US-5,020,860 Methods and apparatus for maintaining longwall face alignment
Mine panel alignment is controlled by recording the electromagnetic phase modulation and/or signal attenuation between spaced distant transceivers in the panel...
US-5,020,686 Closure for a resealable container
A closure for a resealable container comprising an annular container engaging member fixedly attached to the edge of the container and a lid having an end wall...
US-5,020,682 Closure system
A closure system comprising a container having a neck with external threads thereon and a cap having an end wall, an annular skirt and a dispensing opening...
US-5,019,633 Catalyst composition for polymerizing ethylene
Catalyst compositions suitable for producing high density ethylene polymers in a low pressure gas phase process with low accompanying ethylene hydrogenation are...
US-5,019,632 Polymerization of fluoroolefins in presence of non-volatile polymeric seed
A free-radical initiated process for preparing fluorinated polymers wherein at least one gaseous fluoroolefin is polymerized in a stirred polymerizer, the...
US-5,019,184 Corrosion-resistant nickel-chromium-molybdenum alloys
A homogenizaton heat treatment for enhancing crevice and pitting corrosion resistance minimizes the formation of Mu phase in nickel-base alloys of high combined...
US-5,018,355 Method and apparatus for periodic chemical cleanings of turbines
The present invention relates to apparatus and a method for using that apparatus for replacing an existing governor valve on a steam chest of a high pressure...
US-D317,113 Hose reel
US-5,017,249 Nickel-base alloy
A nickel-chromium alloy exhibiting enhanced stress rupture strength and grain size stability at elevated temperatures up to about 1260.degree. (2300.degree. F.)...
US-5,017,176 Coin hopper and dispenser
A bulk coin hopper and dispenser is provided with a pair of rotating discs at the bottom thereof. A baffle shields the discs from the weight of the coins within...
US-5,017,153 Membrane for outlet fittings
Membrane for floor outlet fitting is made of material which is flexible and which has memory. Membrane is structured to allow the blades of an electrical plug to...
US-5,017,064 Intermodal transport system
An intermodal transport system designed for use in the hauling of semi-trailers by means of railway bogies. The system combines a turntable and spring-loaded...
US-5,016,699 Awning cover
An awning cover assembly for use in protecting an awning installed on recreational vehicles and mobile homes or the like is provided, wherein a first end of said...
US-5,016,460 Durable method for producing finned tubing
The method of the invention produces a method for fabricating a metal tube that contains at least 30 wt % nickel and 10 wt % chromium. The invention utilized an...
US-5,016,379 Black powder percussion nipple
A percussion cap nipple for use with black powder firearms. The nipple includes a series of internal passageways that cooperate to produce a throughbore that...
US-5,015,270 Phenylindane-containing polyimide gas separation membranes
A permselective polyimide membrane having phenylindane residues incorporated into the polyimide backbone chain exhibiting high selectivity while maintaining good...
US-5,014,536 Method and apparatus for drawing sheet metal can stock
New technology for deep drawing can bodies for use in the manufacture of two-piece cans for food and beverage products from precoated flat-rolled sheet metal can...
US-5,014,126 Method and apparatus for recording images with a single image receiver for autostereoscopic display
The method and apparatus substantially continuously changes the view of a single image receive substantially aligned to a convergent point in a scene, along a...
US-5,013,810 Impact absorbing media
The present invention is directed to a solid polyurethane composition having a glass transition temperature of from -20.degree. C. to 0.degree. C., having a...
US-5,013,091 Method of indirect measurement of cowl position on a longwall shearer
The position of the cowl on a longwall shearing machine is determined by loads, stresses or deflections measured on the ranging arm, clevis and pin connection on...
US-5,011,908 Polymer polyol compositions and their use in the preparation of polyurethane foams
Polymer polyol compositions are provided which are useful for the production of flexible polyurethane foams. The polymer polyol compositions are composed of (1)...
US-5,011,890 Polyacetal resins containing non-meltable polymer stabilizers
Incorporation into polyacetal molding compositions of 0.05-3 weight percent of certain non-meltable polymers containing formaldehyde reactive hydroxyl groups,...
US-5,011,655 Process of forming a composite structure
The invention provides a method of manufacturing a thin metallic body composite structure. First, an inner layer of a first metal is cleaned to remove oxides and...
US-5,009,806 Calcium hypochlorite article
Granular calcium hypochlorite containing from about 0.001 to about 1.0 weight percent of finely-divided polyfluorinated polymer, e.g., polytetrafluoroethylene,...
US-5,009,367 Methods and apparatus for obtaining wider sprays when spraying liquids by airless techniques
The present invention is directed to methods and apparatus for spraying liquid compositions by airless spray techniques so as to obtain wider spray patterns...
US-5,008,491 Floor box for access floors
A box to be mounted in an opening in an access or raised floor. The top of the box has flanges which engage the floor and support the box in the floor opening....
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