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Patent # Description
US-4,481,127 Polyol blends
The present invention is directed to a polyol blend comprising: (a) from about 5 to about 30% by weight of a member selected from the group consisting of...
US-4,480,093 Amines salts of phosphoric acid
Amino-s-triazine salts of bis-(pentaerythritol phosphate) phosphoric acid. The salts are effective flame-retardant additives in a number of different types of...
US-4,479,946 Phosphorus esters of amidoximes, and compositions for and methods of controlling insects using them
Novel phosphorus esters of amidoximes and methods of preparing same. This invention is also directed to pesticidal compositions comprising an acceptable carrier...
US-4,479,468 Automotive oil filter precharging arrangement
A port proximate to an automotive oil filter, and a closure therefor, used to precharge a newly installed oil filter with oil. The port may be located either in...
US-4,479,002 Carbamate-carbamoyl fluoride compounds
Carbamate-carbamoyl fluoride compounds are useful intermediates for the production of insecticidal bis-carbamate compounds.
US-4,478,998 Process for preparing amine salts of phosphoric acids
A process for preparing amino-s-triazine salts of bis-(pentaerythritol phosphate) phosphoric acid. The process involves reacting the particular amine with the...
US-4,478,978 Toughened polyamide blends
A polyamide molding material having good impact strength at low temperature comprising a blend of 66 nylon; 6 nylon; and a toughening polymer.
US-4,478,964 Polycarbonate-silicate compositions
Polycarbonate compositions comprising an aromatic polycarbonate resin, wherein dispersed are silicate particulates, are particularly suitable for the preparation...
US-4,478,248 Rotary valve
A rotary valve having a housing with a center section and a pair of end sections attached to the center section. A rotary shaft extending axially through the...
US-4,476,927 Method for controlling H.sub.2 /CO ratio of in-situ coal gasification product gas
A method for in-situ coal gasification to recover a product gas having a predetermined H.sub.2 /CO ratio by introducing controlled amounts of carbon dioxide...
US-4,476,001 Device for collecting alkaline cell liquor from an electrolytic cell
Device for attachment to the overflow line of an electrolytic cell, for collection of alkaline cell liquor and for concurrent interruption of electrical current...
US-4,475,884 Reversed flow fluidized-bed combustion apparatus
The present invention is directed to a fluidized-bed combustion apparatus provided with a U-shaped combustion zone. A cyclone is disposed in the combustion zone...
US-4,475,573 Hot and cold mixing valve for feeding a shower head, bath tub or the like
A hot and cold mixing valve for connection to hot and cold water lines for feeding a shower head, bath tub or the like. Control is effected by upper and lower...
US-4,474,988 Process for the production of bis-(N,N,-dialkylamino)alkyl ether
Bis-(N,N-dialkylamino)alkyl ethers are produced by reacting a (N,N-dialkylamino) alkanol over a heterogeneous solid acid catalyst. The (N,N-dialkylamino) alkanol...
US-4,474,927 Polyamide compositions toughened with crosslinked acrylic rubber
Polyamide toughening crosslinked acrylic rubbers having an outer layer of an alkyl acrylate and a polyamide graft-linking monomer, this outer layer having a...
US-4,474,458 Photographic film printer
A photographic film printer including a housing, a lamphouse, negative handling portions, filters, paper handling portions and a reflex viewing mirror which...
US-4,474,287 Variable length conveyor assembly
A variable length conveyor assembly for use in the continuous underground mining of coal. The conveyor assembly comprises a base from which are adapted to extend...
US-D275,765 Photo finishing printer
US-4,473,711 Liquid-phase process for oxidation of tetralin
1-Tetralone, an intermediate in the production of the insecticide, 1-naphthyl carbamate, is conveniently prepared by a liquid phase oxidation of tetralin in the...
US-4,473,686 Block copolymers
A block copolymer is produced from I. 1 to 60% by weight of at least one telechelic diene polymer containing terminal carbonate ester, --OH--, --NH.sub.2 --,...
US-4,473,679 Thermoplastic acrylic elastomers
Thermoplastic core-shell compositions having a rigid core, a rubbery acrylic shell and transition layer intermediate between the core and shell layers and formed...
US-4,472,554 Polycarbonate ABS blends of improved impact strength
A thermoplastic molding composition is described comprising a blend of a polycarbonate, a certain graft polymer and polymeric acidifying agent which composition...
US-4,471,104 Process for the preparation of polycarbonates having sulfonanilide terminal groups
The present invention relates to the preparation of aromatic polycarbonates by the known two-phase interface process, from diphenols characterized in that...
US-4,471,075 Process for producing two-carbon atom oxygenated compounds from synthesis gas with minimal production of methane
A process for selectively preparing a mixture of two-carbon atom oxygenated hydrocarbons, namely, acetic acid, ethanol and acetaldehyde, by continuously...
US-4,470,573 Device for shaping color test samples of dental crown porcelain
A device for shaping color test samples of porcelain formulations for use in making dental crowns, comprising a mandrel having a axial bore, a cylindrical rod...
US-4,469,743 Polyvinyl butyral laminates
Polyvinyl butyral laminates with polyethylene terephthalate having an abrasion-resistant silanol coating and their preparation.
US-4,469,739 Oriented woven furniture support material
Oriented woven furniture support materials made in part from elastomer monofilament and in part from yarn have been found to possess a unique combination of...
US-4,469,644 Process for the production of triaryl phosphates
Triaryl phosphates are prepared in good yields by contacting the corresponding triaryl phosphites with an oxygen-containing gas in the presence of a catalyst...
US-4,469,583 Extraction of fossil fuel with guanadine extracting agent
Subdivided coal, oil shale or tar sands is extracted under non-thermally destructive conditions with a solvent liquid containing a compound having the general...
US-4,469,152 Dust-tight hatch closure assembly
A dust-tight hatch closure assembly for filling railway covered hopper cars having a filling means and a pneumatic seal in the form of an inflatable annulus.
US-4,468,095 Sight glass assembly
A sight glass assembly comprising a first housing section having an opening therethrough, mountable on a vessel wall having an opening therethrough so that the...
US-4,466,912 Conductive thermoplastic compositions
Thermoplastic compositions comprising a polycarbonate resin, a graft copolymer and conductive particles are provided suitable for the preparation of molded...
US-4,466,747 Ash level meter for a fixed-bed coal gasifier
An ash level meter for a fixed-bed coal gasifier is provided which utilizes the known ash level temperature profile to monitor the ash bed level. A bed stirrer...
US-4,466,360 Loop-bed combustion apparatus
The present invention is directed to a combustion apparatus in the configuration of a oblong annulus defining a closed loop. Particulate coal together with a...
US-4,465,449 Coextrusion feedblock for making lightweight, rigid thermoplastic pipe
Coextrusion feedblock apparatus for making multilayer, lightweight pipe wherein means are provided to convert thermoplastic material into pipe or tubing having a...
US-4,465,175 Container orienting apparatus
Apparatus including a continuously traveling conveyor belt upon which containers which have dissimilar opposed panels are carried in line singly through a zone...
US-4,465,155 Automated operatorless vehicles
A vehicle guidance control system is described for an operatorless vehicle comprising a sensor for determining the presence of defined points along a selected...
US-4,464,862 Chemical applicator
A rotary applicator for applying herbicides or other chemicals to vegetation is described. The applicator is especially useful for use in fruit orchards,...
US-4,464,803 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-4,464,564 Current controller for heating stage on leitz microscope
A current controller interface accepts a variable voltage at its input and develops a current at its output which corresponds directly with the input variable...
US-4,463,986 Illumination device and method of use in tunnel alignment
The present invention relates generally to illumination devices and method of use in tunnel alignment. More particularly, the present invention relates to an...
US-4,463,164 Process for preparing polyphenylene ethers
An improved method for the production of polyphenylene ethers is disclosed. The method comprises oxidatively coupling monohydric phenols in the presence of a...
US-4,463,107 Polymer/polyol compositions having improved combustion resistance
A stable dispersion of a polymer in a polyol which imparts improved combustion resistance to polyurethane foams prepared therefrom wherein the polymer is a...
US-D274,948 Modular grid surfacing unit
US-4,461,868 Mixture of a thermoplastic polymer of an alkyl methacrylate and a graft polymer of methyl methacrylate onto...
The present invention relates to mixtures comprising (a) thermoplastic aromatic polycarbonates having Mw (weight average molecular weight) of 10,000 to 200,000,...
US-4,460,733 Polycarbonate compositions having low gloss values
The present invention is directed to a polycarbonate composition comprising finely divided silica which composition is characterized by low gloss.
US-4,459,943 Fluid injection system for an internal combustion engine responsive to fuel flow
A fluid injection system for an internal combustion engine, including both spark-ignition and compression-ignition engines, includes a nozzle for injecting a...
US-4,459,840 Rolling wobble press
A rolling wobble press includes a planar surface which is perpendicular to a first axis and a cone which rolls on the planar surface as the cone revolves around...
US-4,458,548 Pinion carrier
A drill head having a drill head casing, a rotatable support member for a drill steel, a ring gear nonrotatably attached to the rotatable support member and a...
US-D274,588 Surfacing unit
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