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Patent # Description
US-4,262,903 Paddle racquet
A paddle racquet having a substantially solid contact surface is provided for indoor and outdoor racquet sports. The racquet has a grip for a hand manipulation...
US-4,262,800 Sterilizable holder for fiber optic surgical unit or the like
A sterilizable holder for a fiber optic surgical unit or similar delicate medical instrument including a base, an outline of the instrument formed on the base,...
US-4,262,142 Hydroformylation of ethylene with higher olefins
In a rhodium-catalyzed hydroformylation process employing olefin reactants having from 3 to 20 carbon atoms to produce products rich in normal aldehydes, the...
US-4,262,100 Unsaturated polyester molding composition
This invention concerns a curable composition comprising a mixture of: (A) the reaction product of an ester diol alkoxylate of the structural formula: ##STR1## ...
US-4,261,871 Low energy-curable high solids coatings
High solids, low energy curing compositions of (1) a carboxyl-modified polycaprolactone polyol which is the reaction product of a polycaprolactone polyol and an...
US-4,261,147 Hyperbolic natural draft cooling tower construction
A veil section of a hyperbolic natural draft cooling tower is constructed on a lintel beam in the form of a closed planar curve provided with anchors spaced...
US-4,260,828 Hydroformylation process
In a rhodium-catalyzed hydroformylation process which produces aldehydes from alpha-olefins, the stability of a rhodium catalyst complexed with carbon monoxide...
US-4,260,703 Novel urethane-acrylate and radiation curable compositions
Novel ester diol alkoxylate urethane-acrylates comprising the reaction products of an ester diol alkoxylate, such as 2,2-dimethyl-3-hydroxypropyl ...
US-4,260,490 Biomonitor to safeguard water purification process from toxicants
Method of and apparatus for monitoring a waste influent stream to a waste treatment biological basin which contains active microorganisms for levels of materials...
US-4,260,407 Gas cushioned ice skate edge stretcher
Method and apparatus for edge control of glass in the forming chamber. The invention utilizes a blade that is cushioned by gas discharged from its lower edge....
US-4,260,395 Synthetic fuel composition
A composition useful as a synthetic fuel for fireplaces and the like. The composition contains particulate coal as the major component in combination with slack...
US-4,260,195 Contour miner
A contour miner has walker means carrying an external deck outside the formation being mined having power supply and control means for movement along the...
US-4,259,526 Process for the preparation of mixtures of polyamines of the polyamino-polyaryl-polymethylene type
The instant invention is directed to a process for the preparation of mixtures of polyamines of the polyamino-polyaryl-polymethylene type whereby the proportion...
US-4,258,929 Vehicle spray reduction
Apparatus and methods are disclosed for reducing spray from wheeled vehicles operating on wet roadways. Reduction is achieved by decreasing lateral airflow by...
US-4,258,500 Moving toy
A moving toy climbs an upright surface via suction cups affixed to a housing and additional suction cups affixed to the free ends of crank shafts. The crank...
US-4,257,972 Catalyst for producing polyhydric alcohols and derivatives
A novel catalyst and process for the manufacture of polyhydric alcohol(s) from synthesis gas. This novel catalyst is a rhodium carbonyl phosphido cluster...
US-4,257,858 Photochemical method for producing biocidal 2-aryl-1,3-cyclohexanedione compounds
2-Aryl-1,3-cyclohexanedione compounds and their alkali metal and ammonium salts exhibit outstanding herbicidal, miticidal and mite ovicidal activity.
US-4,257,578 Oil well service rig
An oil well service rig having three reels, two of the reels actuated by a hydraulic pump through a gear box which provides for selective engagement or...
US-4,257,529 Easy-open retained tab structure for beverage can
A sheet metal container provided with easy-open, retained-tab, pour-feature opening structure is disclosed. An elongated tab opener is positioned with its...
US-4,256,659 Method of preparing 2-aryl-1,3-cyclohexanedione compounds
2-Aryl-1,3-cyclohexanedione compounds and their alkali metal and ammonium salts exhibit outstanding herbicidal, miticidal and mite ovicidal activity.
US-4,256,658 Method of preparing 2-aryl-1,3-cyclohexanedione compounds
2-Aryl-1,3-cyclohexanedione compounds and their alkali metal and ammonium salts exhibit outstanding herbicidal, miticidal and mite ovicidal activity.
US-4,256,657 Method of preparing 2-aryl-1,3-cyclohexanedione compounds
2-Aryl-1,3-cyclohexanedione compounds and their alkali metal and ammonium salts exhibit outstanding herbicidal, miticidal and mite ovicidal activity.
US-4,256,655 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-4,256,343 Mechanism for advancing continuous mining machine through mining cycle and tramming modes
An improved advancing mechanism for a dual auger continuous miner of the type adapted to be advanced by a pair of anchoring jack assemblies, a pair of cables...
US-4,256,317 High-temperature, high-pressure valve packing system
Valve packing system comprising a compacted body of expanded graphite material having an apparent bulk density 1.6 to 2.0 times its apparent bulk density prior...
US-4,255,542 Exothermic polymerization in a vertical fluid bed reactor system containing cooling means therein and apparatus...
A continuous low pressure gas phase process for the production of solid particulate polymers during an exothermic polymerization reaction in a uniform diameter...
US-4,254,011 Flame retarded polyethylene terephthalate compositions with improved drip suppression
This disclosure is concerned with flame retarded polyethylene terephthalate compositions which have enhanced drip suppression due to the incorporation of a...
US-4,253,987 Homologation process for the production of ethanol from methanol
A process for producing ethanol from the reaction of methanol, hydrogen and carbon monoxide catalyzed by a phosphine-iodine promoted cobalt-ruthenium catalyst,...
US-4,253,972 Flame retardant polyolefins
The addition of a polyhydric alcohol to compositions comprising a polyolefin and a pentate salt of an amino-s-triazine improves the intumescent behavior and...
US-4,253,947 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-4,252,757 Method and apparatus for making foamed plastic slab
In the manufacture of foamed plastic slab by introducing foamable fluid from a mixing head into a moving conveyor-type mold, the improvement wherein supplemental...
US-4,252,631 Electrostatic coalescence system with independent AC and DC hydrophilic electrodes
An improved electrostatic coalescence system is provided in which independent AC and DC hydrophilic electrodes are employed to provide more complete dehydration...
US-4,252,528 Lubricant compositions for finishing synthetic fibers
A spin finish for synthetic fibers has been developed consisting essentially of a thermally stable lubricant and a surfactant derived from an ethylene...
US-D258,339 Tiltable outdoor cooking grill
US-4,251,588 Hollow monofilaments in paper-making belts
Paper-making belts of hollow monofilaments of polyester, polyamide, or polycarbonamide.
US-4,251,424 Plasticized nylon 612 with improved zinc chloride resistance
A polymeric composition having improved zinc chloride resistance comprising nylon 612, plasticizer and an olefin polymer having sites which adhere to the nylon...
US-4,251,294 Method for producing fully-processed low-carbon electrical steel
A method for producing fully processed, non-silicon containing, low-carbon electrical steel without post-anneal deformation by continuously annealing a steel...
US-4,251,065 Quick set hydraulic vise
A quick set hydraulic workholding vise including a fore-and-aft longitudinal elongated base having a front stationary jaw and a rear jaw movable toward and away...
US-4,250,741 Precision spinning drop interfacial tensiometer
An improved instrument for the precise measurement of interfacial tension between two fluid phases by means of a drop of the less dense fluid surrounded by the...
US-4,250,346 Low temperature oxydehydrogenation of ethane to ethylene
Ethane is catalytically oxydehydrogenated to ethylene in a gas phase reaction, in the presence or absence of water, at temperatures of .ltoreq.550.degree. C....
US-4,250,116 Production of methyl and ethylamines with rhodium-iron catalysts
A heterogeneous process for selectively producing monoamines in which the nitrogen is bonded only to methyl, ethyl, hydrogen or combinations thereof which...
US-4,250,106 Process for the preparation of substantially pure cyclo aliphatic diisocyanate stereoisomers
The instant invention is directed to a novel process for the separation of substantially pure cycloaliphatic diisocyanate reactive (cis-form) stereoisomers from...
US-4,249,638 Ladder extension apparatus
A ladder extension device for enabling a ladder to stand upright upon uneven or inclined surfaces is disclosed which is composed of a pair of overlapping...
US-4,248,795 Preparation of organic sulfone compounds
An improved process for preparing an organic sulfone compound by oxidizing the corresponding sulfide compound with an aqueous peracid solution.
US-4,248,460 Plastic pipe fitting
This invention relates to a plastic pipe fitting having a connecting portion for attachment to another fitting and a joining portion to be fuse bonded to a...
US-4,248,272 Shed sensing stop motion system for high speed looms
Automatic loom stopping apparatus for detecting yarn breakage or improper shedding defects and generating loom stop signals to be associated with a loom...
US-4,248,082 Anemometer
An anemometer which reads the airspeed in digital numbers by light-emitting diodes. A small electric generator is operated by a windmill. This generator output...
US-D258,125 Football trophy
US-4,247,884 Fluorescent mine lighting fixture
The fixture includes a mount assembly preferably including a cage. A lamp/bar assembly slides longitudinally into the mount assembly cage. The power cable of the...
US-4,247,655 Rigid and semiflexible polyurethane foams produced with phenol-aldehyde-amine resins
Rigid and semiflexible polyurethane foams having superior flame retardant properties are produced by incorporating into the pre-foam formulation the reaction...
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