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Patent # Description
US-4,158,691 Method for pressing articles such as plates from pulverulent porcelain composition
A device is disclosed for forming blanks from pulverulent porcelain mater which blanks have a foot piece and sloping sides. The device has an upper mould which...
US-4,158,690 Control of carbon black densification
A method of controlling the bulk or pour density of carbon black without altering its rubber reinforcing properties, by wet micropulverizing prior to pin mixing.
US-4,158,689 Molding particulate solids and sacrificial binders therefor
Improvements in molded articles from sinterable particulate solids, improvements in method for making such articles, and novel sacrificial binders for use in...
US-4,158,688 Sacrificial binders for molding particulate solids and the molding thereof
Improvements in molded articles from sinterable particulate solids, improvements in method for making such articles, and novel sacrificial binders for use in...
US-4,158,687 Method for producing heat-resistant composite materials reinforced with continuous silicon carbide fibers
A heat-resistant composite material reinforced with continuous silicon carbide fibers is produced by forming a powdery ceramics matrix and the fibers into a...
US-4,158,686 Method of making a solar energy collector
Method for making a solar collector or converter, the converter comprising a series of at least three spaced wall members defining a plurality of flow...
US-4,158,685 Foamed insulation refractory
A foamed insulating refractory shape is made by: (1) preparing a slip of water, deflocculating agent, refractory aggregate, at least 7.5% by weight cement, and,...
US-4,158,684 Method of making ceramic prosthetic implant suitable for a knee joint
A method for fabricating a ceramic prosthesis of high aluminum oxide suite for the tibial plateau of a knee joint with the superior (upper) portion of the...
US-4,158,683 Process for obtaining films and blocks of cellulose acetate particularly for rapid and preparative analytical...
An improved process for preparing films and blocks consisting essentially of cellulose diacetate aqueous gel, which are suitable for electrophoresis purposes,...
US-4,158,682 Control of carbon black densification
A method of controlling the bulk or pour density of carbon black without altering its rubber reinforcing properties, by wet micropulverizing prior to pin mixing.
US-4,158,681 Sintering nuclear fuel pellets
Sintering nuclear fuel pellets of nuclear fuel oxides having oxygen in stoichiometric excess of the dioxides by passing the nuclear fuel pellets through a...
US-4,158,680 Production of purified and humidified fuel gas
This is a continuous process for producing a stream of purified and humidified fuel gas which may be burned in a gas turbine to produce mechanical work and...
US-4,158,679 Water distributor trough primarily for a warm air furnace mounted humidifier
An air treating apparatus such as a warm air furnace mounted humidifier is provided with an air seal or air lock which seals against air movement out of the...
US-4,158,678 Segmented polymers containing fluorine and iodine and their production
A segmented polymer comprising a sequence of two or more polymer segments, an iodine atom liberated from an iodinated compound bonded at a terminal position of...
US-4,158,677 Dialkylation of alkylbenzene
Dialkylation process for the manufacture of synthetic oils comprising contacting olefin with alkylbenzene in the presence of a borontrifluoride carboxylic acid...
US-4,158,676 Isomerization process
An improved process is provided for catalytic isomerization of monocyclic methyl-substituted aromatic hydrocarbon compounds of from 8 to 10 carbon atoms...
US-4,158,675 Manufacture of halogenated compounds
Manufacture of 1,1,1,2-tetrafluoroethane by reacting 1,1,1-trifluoro-2-chloroethane with hydrogen fluoride in the presence of a chromium oxide catalyst and...
US-4,158,674 Process for displacing nuclear iodine from substituted benzenes with chlorine
In a halobenzene mixture containing benzenes bearing nuclear iodine substituents, the iodine is displaced by chlorine by introducing gaseous chlorine into the...
US-4,158,673 Process for the synthesis of bis(alkyl sulphide)-decaborane (12)
The invention relates to a process for the synthesis of bis(alkyl sulphide)-decaboranes (12). This synthesis is characterized in that a decahydrodecaborate (2-) salt...
US-4,158,672 Polyfluoroalkylthio alcohols, esters and useful compositions therefrom
Polyfluoroalkylthio alcohols and esters thereof are disclosed with utility as intermediates for the synthesis of fluorochemicals with low free surface energies...
US-4,158,671 Oxidation catalysts and process for preparing anhydride from alkanes
A catalyst complex useful for the partial oxidation of alkanes to the corresponding anhydrides, e.g., converting normal C.sub.4 hydrocarbons to maleic anhydride...
US-4,158,670 Process for the manufacture of aromatic sulphonic acid esters of aromatic amino-hydroxy compounds
A process for the manufacture of esters of aromatic sulphonic acids and aromatic aminohydroxy compounds, of the formula I comprising reacting an aromatic aminohydroxy...
US-4,158,669 Organo-tin compounds
The direct reaction of metallic tin with an .alpha., .beta.-unsaturated nitrile, hydrogen chloride, hydrogen bromide or hydrogen iodide in the presence of an...
US-4,158,668 Preparation of carboxylic acids from internal olefins
The present process is suitable for preparing carboxylic acids wherein greater than 50 mole percent of the carboxylate groups are at the terminal position which...
US-4,158,667 6-Keto PGF analogs
Prostaglandin (PG.sub.1) derivatives having (1) a 6-keto feature, for example ##STR1## or (2) a 9-deoxy-6,9-epoxy feature together with a 5-halo or...
US-4,158,666 Stearine production
Glyceride oil is catalytically hydrogenated in rapid fashion to produce a stearine product.
US-4,158,665 Hydrogenation of glyceride oils
Glyceride oil contaminated with soap is hydrogenated in rapid fashion in the presence of nickel hydrogenation catalyst and of copper chromite adjunct catalyst,...
US-4,158,664 Process for improving color of certain alkenyl succinic anhydrides
A process for improving the color of crude alkenyl succinic anhydrides which comprises treating said anhydrides with water.
US-4,158,663 Process for the production of 2-substituted chromones
This invention is concerned with a novel process for the production of 2-substituted chromones (I) from readily available 4-methoxycoumarins. ##STR1## These...
US-4,158,662 Phthalimides substituted by alkenylamino groups
Novel phthalimides substituted by alkenylamino groups, processes for their preparation and hot-curable mixtures which are stable on storage and contain at least...
US-4,158,661 Stable modification of an isoindolinone pigment and processes for producing it
The bis-(4,5,6,7-tetrachloroisoindolin-1-on-3-ylidene)-phenylene-1,4-diamine p igment in a new stable modification, characterized by an X-ray diffractogram...
US-4,158,660 Process for producing a purified 3,4-toluenediamine product and a mixture of 4- and 5-methylbenzotriazoles from...
A process for producing a purified 3,4-toluenediamine product and a mixture of 4- and 5-methylbenzotriazoles from a mixture of ortho-toluenediamine isomers, the...
US-4,158,659 Acylamino derivatives
Acylamino heteroaryl compounds in which the heteroaryl nucleus is a 1,3,4-oxadiazole or 1,3,4-thiadiazole nucleus, methods of making the compounds and...
US-4,158,658 Bichromophoric benzoxazole-styrene ultraviolet stabilizers and their use in organic compositions
The invention relates to bichromophoric benzoxazole-styrene compounds which have been found to be effective ultraviolet stabilizers. The invention also relates...
US-4,158,657 Thiooxime penicillin derivatives
Compounds of the formula ##STR1## wherein A is ##STR2## R is hydrogen, lower alkyl, benzyl, p-methoxybenzyl, p-nitrobenzyl, diphenylmethyl,...
US-4,158,656 Oilseed processing
A process for producing a detoxified protein concentrate product from defatted oilseeds, particularly those of the thioglucoside and phenolic containing types...
US-4,158,655 Monohaloalkenyl benzoates and trihaloalkyl benzoates
Monohaloalkenyl benzoates are halogenated to trihalo-substituted alkyl esters of benzoic acid. The halogenated compounds impart flame retardant properties to a...
US-4,158,654 Carboxylic acid in alkali metal carboxylate rubber solution
A mixture of a carboxylic acid and an alkali metal carboxylate-containing rubber in a vinyl monomer is provided. The resulting composition has a relatively low...
US-4,158,653 Elastomer blend composition of a sulfonated EPDM terpolymer and a polystyrene resin
This invention relates to heterogeneous elastomeric blends having improved rheological properties of a major portion of a neutralized sulfonated elastomeric...
US-4,158,652 High solids compositions containing ester diol alkoxylates
Compositions comprising an ester diol alkoxylate in conjunction with crosslinkers, or polycaprolactone polyols or derivatives thereof, or low molecular weight...
US-4,158,650 Process for producing modified phenolic resin
A drying oil such as isomerized linseed oil, dehydrated castor oil or the like oil which has an iodine value of more than 140 and a content of conjugated double...
US-4,158,649 Polymeric membranes which contain polyphenylquinoxalines and which are useful as battery separators
A polymeric membrane composed of a homogenous mixture of (1) a hydrophilic esin which is (a) partially acetylated cellulose in which from about 50 to less than...
US-4,158,648 Pressure- and heat-sensitive coatings
A composition for forming pressure- and heat-sensitive coatings comprising finely divided organic material of particle size from about 0.05 to 10 micrometers in...
US-4,158,647 Multifunctional acrylate n-vinylamide anaerobic adhesive compositions
A solventless, fast-setting anaerobic adhesive composition comprises two monomer parts which are adapted to be copolymerized anaerobically at ambient temperature...
US-4,158,646 Method for reprocessing scrap from fabric reinforced thermoplastic sheet
A method for reclaiming scrap produced in the manufacture of fabric reinforced thermoplastic resin sheet material so that the scrap may be worked, banded and...
US-4,158,645 Catalyst for the preparation of ethylene and vinyl chloride from ethane
Ethane is reacted with oxygen and a chlorine source in the presence of a solid solution catalyst containing iron cations which is stabilized with lanthanum...
US-4,158,644 Cleaner and grease emulsifier
Hard surface detergent compositions comprising an aqueous composition of (a) a non-ionic surfactant, (b) a quaternary ammonium salt, and (c), a betaine.
US-4,158,643 Catalytic carbon for oxidation of carbon monoxide in the presence of sulfur dioxide
A carbon supported catalyst used for carbon monoxide oxidation is chemically modified by treating the activated carbon support with an oxidizing agent and/or a...
US-4,158,642 Trialkyl aluminum cocatalyst
A new improved catalyst system for alpha-olefin type polymerizations, includes at least one metal alkyl compound having the formula R.sub.n MR'.sub.3-n in...
US-4,158,641 Fluorescent dental porcelain
A porcelain dental composition for artificial teeth which includes an aluminum silicate, alkali or alkaline earth aluminosilicate or an alkali or alkaline earth...
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