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Patent # Description
US-4,331,614 Aromatic polyphosphonates and a process for their production
Thermoplastic, branched aromatic polyphosphonates with average molecular weights (number average M.sub.n) of from 11,000 to more than 200,000, obtainable by...
US-4,331,585 Light-stable polypropylene compositions
Light-stable polypropylene fibers containing a combination of a hindered piperidinyl compound and a pentaerythritol polyphosphite.
US-4,331,577 Latex polymerization process
In producing an aqueous latex the reactor pressure and free monomers content in the aqueous phase of the reactor are controlled. This control is achieved by...
US-4,331,359 Window shield for vehicle body
A window shield formed of a penetration resistant material is positioned outside and adjacent a standard glass window of an automobile or other vehicle. The...
US-4,331,169 Awning and method of making same
An awning particularly suited for use with recreational vehicles is constructed with a main awning portion made of a conventional awning material and a terminal...
US-4,331,154 Blood pressure and heart rate measuring watch
A digital watch is employed to measure systolic and diastolic blood pressure as well as heart rate. The band of the watch supports a piezoelectric transducer...
US-D264,520 Combined container and dispenser for rolls of strips of labels or the like
US-4,329,870 Methane monitor sensing system
A methane monitor is disclosed that has at least one removable and replaceable sensor interchangeably inserted into a receptacle located on the outside wall of...
US-4,329,681 Tamper sensor system
An adjustable tamper sensor system for bolts and screws, which connect a non-conductive base and cover, provides a secure housing. An electrically conductive...
US-4,329,520 Process and catalyst for olefin hydration
Olefins can be hydrated to the corresponding alcohols with a hydration catalyst comprising a calcined support consisting of diatomaceous earth, bentonite,...
US-4,329,232 Method for measuring biomass viability
A method is disclosed for measuring viability of a waste treatment basin biomass contained in a waste basin mixed liquor comprising measuring the rate of oxygen...
US-4,328,329 Process for polymerizing methyl methacrylate syrup using a dual initiator system
Polymerization of a methyl methylacrylate polymer syrup is carried out using a dual initiator system of tertiary C.sub.4 - or tertiary C.sub.5 ...
US-4,328,174 Aromatic polyester phosphonates
Polyester phosphonates based on aromatic dicarboxylic acids and aromatic dihydroxy compounds exhibit a low flammability and surprisingly improved mechanical...
US-4,327,501 Square adapter for level
Mounting structure is provided for support from one side of an elongated body of a carpenter's level having a window extending transversely therethrough and...
US-4,327,110 Pesticidal symmetrical N-substituted bis-carbamoyloximino disulfide compounds
Symmetrical N-substituted bis-carbamoyloximino disulfide compounds exhibit outstanding nematocidal, miticidal and insecticidal activity, coupled with ...
US-4,326,109 Apparatus for coupling a two-way transmission path to a one-way transmitting path and a one-way receiving path
A one-way receiving path is connected to the input side of a first phase-shift network which produces signals in phase quadrature at its output side, which is...
US-4,325,831 Foamable composition
A fast curing foamable composition useful for the production of fabric-like materials comprises a resin or latex formulation and a mixture of a highly ...
US-4,325,563 Vehicle spray reduction
An apparatus for collecting wet spray from the tires of vehicle trucks operating on wet roads comprising a plurality of vertical, parallel wiggle plates having...
US-4,325,168 File for a chain saw
A hand file designed expressly for sharpening the cutting edge of a chisel tooth chain saw which cutting edge has substantially diagonal and horizontal beveled...
US-4,323,696 (Meth)acrylic acid esters of tricyclic decanediols containing ether groups
The invention relates to (meth)acrylic acid esters of compounds of Formula (I) as defined infra and methods for their preparation. The esters formed can be used...
US-4,323,516 Method for making thiobiscarbamates
Method of preparing thiobiscarbamates by reacting nitrogen-containing heterocyclic base and sulfur monochloride or sulfur dichloride and reacting the resulting...
US-4,323,513 Production of methyl esters and ethylene glycol esters from reaction of carbon monoxide and hydrogen in...
This invention is concerned with improving ethylene glycol ester production from the reaction of carbon monoxide and hydrogen in a homogeneous liquid phase...
US-4,322,520 Aromatic thermoplastic polyphosphonatocarbonate
Thermoplastic polyphosphonatocarbonate prepared by polycondensing at least one aromatic dihydroxy compound with a diaryl carbonate and a phosphonic acid diaryl...
US-4,322,373 Process for the preparation of aromatic dicarboxylic acid dichlorides
A one-stage process for the preparation of pure aromatic dicarboxylic acid dichlorides by reacting an aromatic dicarboxylic acid or an aromatic dicarboxylic acid...
US-4,322,296 Method for wastewater treatment in fluidized bed biological reactors
Wastewater is subjected to biological reaction in a bed containing the biological reaction bacteria on a particulate carrier wherein the lower portion of the bed...
US-4,322,235 Float glass forming chamber with horizontal heating elements
A float glass forming chamber is provided with heating elements that extend through the side walls of the chamber. As a result, the roof of the chamber may be of...
US-4,321,884 Coating thickness control nozzle
An improved nozzle structure for directing a wide, thin jet stream of a gaseous medium from an outlet nozzle opening onto the surface of a running length of a...
US-4,321,177 Sprayable perfluoroalkoxy solutions
A composition and process for preparing a sprayable solution containing perfluoroalkoxy (PFA) resin. Components of the solution include an aromatic solvent, a...
US-4,321,131 Process for heat carrier generation
A process is disclosed for heat carrier generation for the advanced cracking reaction process comprising separately preheating an oxidant stream; joining a fuel...
US-4,320,606 Reinforced concrete panels and building constructed therewith
A building formed by assembling a multiplicity of pre-cast reinforced concrete panels including horizontal footer panels, solid exterior vertical panels,...
US-D263,431 Fire fighter's helmet
US-4,320,229 Preparation of aliphatic aldehydes from esters
Aliphatic aldehydes are prepared from carboxylic acid esters of primary alcohols by contacting the latter with a wide variety of oxidized elements selected from...
US-4,320,064 Polynuclear rhodium carbonyl complexes
Particular polynuclear rhodium carbonyl complexes are provided which are useful in the production of polyhydric alcohols such as ethylene glycol by the reaction...
US-4,320,063 Ammonium carboxylates
Ammonium carboxylates having the general formula: ##STR1## wherein R is hydrogen or a substituted or unsubstituted hydrocarbon radical. The defined...
US-4,320,049 Flame retarding agents for polycarbonates
A sufficient amount of a novel halogenated aromatic imide sulfonate, represented by the structural formula: ##STR1## wherein X is a halogen, n is 1 to 4, Y...
US-4,319,460 High humidity food chilling system
Warm food products are chilled to a sanitary storage temperature approaching 0.degree. C. without dehydration by introducing them into a cold humid 100% humidity...
US-4,319,112 Screen welding machine
A machine for welding screens formed of spaced longitudinal screen wires welded at a welding station to spaced transverse rods, in which the transverse rods in...
US-4,318,808 Inspection device for containers
The present invention relates to inspection devices for containers such as glass bottles. In prior art inspection devices, it has been a problem to automatically...
US-4,318,471 Artist's lap easel
An artist's lap easel is made up of a number of flat rectangular panels which are hingedly joined together so that they can be folded flat one upon another when...
US-4,317,309 Plant growth suppression device
A device for suppressing ground plant growth surrounding a monument comprises a plurality of plastic shield pieces interconnected with each other and anchored by...
US-4,317,284 Flatware eating utensils
A knife, fork and spoon are held together magnetically. The outside edges of the fork tines correspond to the curvature of the spoon bowl, and the tines are...
US-4,315,889 Method of reducing leaching of cobalt from metal working tools containing tungsten carbide particles bonded by...
Metal-working compositions (water-base, oil-base and oil-in-water emulsions) containing triazole and thiadiazole compounds are disclosed. These compositions...
US-4,314,945 Alkylene carbonate process
A process for making alkylene carbonate by the reaction of carbon dioxide and an alkylene oxide of the formula ##STR1## wherein R, R.sub.1, R.sub.2 and...
US-4,314,615 Self-propelled drilling head
A self-propelled drilling head comprises a base section including gripper shoes mounted for extension and retraction to selectively grip the wall of a hole being...
US-4,313,916 Process for the purification of non-reacting gases
A process is disclosed for the purification of an inert or non-reacting gas such as lower mono-olefins by the removal of trace amounts of reacting impurities...
US-4,313,903 Process for injection molding of polyethylene terephthalate compositions at reduced mold temperature
This disclosure is concerned with a process for injection molding polyethylene terephthalate into colder molds, i.e., less than 120.degree. C., and still...
US-4,313,861 Latex autodeposition coatings
Novel autodeposition coatings formulated with acrylic copolymer dispersions which have incorporated therein either methacrylic acid or acrylic acid and,...
US-4,313,578 Yarn tension control apparatus
A yarn tension control apparatus for tensioning a running length of yarn such as textile yarns or the like, wherein a plurality of tensioning devices form a...
US-4,312,973 Polyurethane elastomers prepared from polyol or polymer/polyol-chain extender mixtures
The invention provides polyurethane elastomers having satisfactory modulus characteristics which are prepared from a polyol-chain extender mixture consisting of...
US-4,312,955 Process for the production of methanol from synthesis gas
Lanthanum rhodate, or metal substituted lanthanum rhodate, having a perovskite structure is a highly active catalyst for the production of methanol from hydrogen...
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