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| Number | Title | Issue Date |
| 4039462 | Synthetic polyester-based lubricants possessing a wide range of desirable physical characteristics including solubility in mineral oil This invention concerns polyester-based synthetic lubricants having a wide range of desirable lubricating properties prepared by condensing specific ratios of alkoxylated primary alkylmonoamines, monobasic alkanoic and dibasic alkanoic acids.... | 08/02/1977 |
| 4038316 | Preparation of acylhydroximyl halides Novel acylhydroximyl halides are provided and prepared by contacting a nitroalkanone with a halogen acid in the presence of an organic acid or alcohol.... | 07/26/1977 |
| 4038208 | Processes for regenerating dispersions of ligand-stabilized, palladium(II) halide complexes used in carbonylation catalysts This invention concerns processes for regeneration of carbonylation catalysts consisting of dispersions of ligand-stabilized palladium(II) halide complexes in quaternary ammonium, phosphonium and arsonium salts of trihalostannate(II) and trihalogermanate(... | 07/26/1977 |
| 4038186 | Carbon decanter This is an apparatus for continuously separating a liquid mixture comprising particulate carbon produced by the partial oxidation of a hydrocarbonaceous fuel, water, and liquid organic extractant into two separate immiscible streams i.e. a stream of parti... | 07/26/1977 |
| 4038038 | Fluidized cracking catalyst regeneration apparatus Apparatus for regeneration of spent, coke contaminated fluidized cracking catalyst by burning coke therefrom with a molecular oxygen containing regeneration gas in a fluidized dense phase bed, and for burning substantially all carbon monoxide to carbon di... | 07/26/1977 |
| 4038212 | Alkylation process for production of motor fuels A liquid phase alkylation process for production of alkylate useful as motor fuel, wherein low molecular weight isoparaffin hydrocarbons are alkylated with olefin hydrocarbons in the presence of a catalyst, comprising a mixture of a major portion of sulfu... | 07/26/1977 |
| 4036768 | Polymethacrylate and lube composition thereof A complex product of (1) an interpolymer of dialkylaminoalkyl methacrylate, C1 -C6 alkyl methacrylate, C10 -C14 alkyl methacrylate and C16 -C20 alkyl methacrylate monomers and (2) a liquid ... | 07/19/1977 |
| 4036766 | Polymethacrylate additives and lube compositions thereof A complex product of 1). an interpolymer of dialkylaminoalkyl methacrylate, C1 -C6 alkyl methacrylate, C10 -C14 alkyl methacrylate and C16 -C20 alkyl methacrylate monomers and 2). a liquid ... | 07/19/1977 |
| 4036767 | Polymethacrylate additives and lubricating compositions thereof A complex product of 1). an interpolymer of an N,N-dialkylaminoalkyl methacrylamide, C1 -C6 alkyl methacrylate, C10 -C14 alkyl methacrylate and C16 -C20 alkyl methacrylate monomers and 2). ... | 07/19/1977 |
| 4035640 | Behind casing water flow detection using pulsed neutron oxygen activation Measurement of the linear flow velocity and volume flow rate of undesired behind casing water flow is provided. A well tool having a 14 MEV pulsed neutron source is used to irradiate the earth formations behind well casing with bursts of high energy neutr... | 07/12/1977 |
| 4035400 | Preparation of omega-nitroalkanoic acids A method of preparing an omega-nitroalkanoic acid is provided by contacting an ammonium, Group IA or Group IIA metal salt of a nitrocycloalkanone with an acidic mineral acid salt in an aqueous medium.... | 07/12/1977 |
| 4035153 | Fluidized cracking catalyst regeneration apparatus Apparatus for regeneration of spent, coke contaminated fluidized cracking catalyst by burning coke therefrom with a molecular oxygen containing regeneration gas in a fluidized dense phase bed, and for burning substantially all carbon monoxide to carbon di... | 07/12/1977 |
| 4034812 | Method for recovering viscous petroleum from unconsolidated mineral formations Disclosed is a method whereby viscous petroleum may be recovered from a subterranean viscous petroleum-containing formation in which the formation mineral matrix is substantially unconsolidated, such as a tar sand deposit. A hot fluid such as steam is inj... | 07/12/1977 |
| 4035409 | Hydrocarbyl amine substituted propionic ester Hydrocarbylamine substituted propionic esters represented by the formula: in which R is an aliphatic hydrocarbon radical having from 12 to 22 carbon atoms, R' is hydrogen or a lower alkyl radical having from 1 to 2 carbon atoms and R" is a hydrocarbon radical ... | 07/12/1977 |
| 4033901 | Shaped, bonded boride catalysts Disclosed is a shaped catalyst composed of finely divided particles of binary or ternary boride compounds having the general formula Mx By or Mx By R2 wherein x is an integer from 1-5; y is an integer... | 07/05/1977 |
| 4033857 | Fluidized catalytic cracking process with improved light cycle gas oil stripping The present application discloses a fluidized catalytic cracking process wherein light cycle gas oil is stripped of heavy naphtha components employing reboiled light cycle gas oil as stripping vapor. Heavy naphtha vapors stripped from the light cycle gas ... | 07/05/1977 |
| 4033856 | Fluidized catalytic cracking process with improved intermediate cycle gas oil stripping The present application discloses a fluidized catalytic cracking process wherein intermediate cycle gas oil is stripped of light cycle gas oil components employing reboiled intermediate cycle gas oil as stripping vapor for improving light cycle gas oil yi... | 07/05/1977 |
| 4033899 | Alkylation fluosulfonic-sulfuric acid catalyst recovery process with silica-alumina removal of fluoride compounds A process for removal of fluoride compounds from spent alkylation catalyst containing fluorosulfonic acid and sulfuric acid wherein said spent catalyst is hydrolyzed in the presence of water, at subatmospheric pressure in a vacuum digestion zone for conve... | 07/05/1977 |
| 4032780 | Behind casing water flow detection using continuous oxygen activation Measurement of the volume flow rate and linear flow velocity of undesired behind casing water flow is provided. A well tool having a 14 MEV neutron source is used to continuously irradiate earth formations behind well casing. The continuous neutron irradi... | 06/28/1977 |
| 4032779 | Behind casing water volume flow rate measurement using concentric gamma ray detectors Measurement of the distance from a gamma ray detector to a gamma ray source for location of a channel of undesired behind casing water flow in a producing well is provided. Coaxially aligned dual cylindrical gamma ray detector crystals are used at one or ... | 06/28/1977 |
| 4032778 | Behind casing water volume flow rate measurement using gamma ray spectral degradation Measurement of the distance from a gamma ray detector to a gamma ray source for locating of a channel of undesired behind casing water flow in a producing well is provided. A relationship is given for the count rate ratio at a detector in two distinct ene... | 06/28/1977 |
| 4032781 | Well fluid production profiling using an oxygen activation flow meter Measurement of undesired water cut volume flow rate in a producing well is provided. A well tool having a 14 MEV neutron source and dual spaced gamma ray detectors is used to activate elemental oxygen comprising the molecular structure of the undesired wa... | 06/28/1977 |
| 4031505 | Seismic system with signal-to-noise determination An improvement to a seismic system, which provides data words, having digital signals corresponding to sensed vibrations in an earth formation or to noise occurring in a seismic system, permits the determination of the signal to noise ratio of the seismic... | 06/21/1977 |
| 4030981 | Process for making oil from aqueous reactive sludges and slurries Process for making low sulfur oil by reacting aqueous reactive sludges and slurries with hot, pressurized carbon monoxide and hydrogen (synthesis gas) wherein the wastes are first concentrated by coking in the liquid phase under a pressure of 300 to 3000 ... | 06/21/1977 |
| 4028660 | Well logging method and means using an armored multiconductor coaxial cable A logging system employs an armored multiconductor coaxial cable, including an inner conductor, a shield and conductive outer armor and in which the shield, encompassing the inner conductor, comprises a plurality of conductors which includes groups of con... | 06/07/1977 |
| 4028546 | Behind well casing water flow detection system Equipment for the detection of undesired behind casing water flow in a producing well is provided. A well logging sonde having a modular fluid tight structure is disclosed. Basically, three modules which when joined together form a fluid tight assemblage ... | 06/07/1977 |
| 4028388 | Preparation of acids A method of preparing carboxylic acids is provided by heating an acylhydroximyl halide in an aqueous medium at elevated temperatures.... | 06/07/1977 |
| 4028139 | Methods and multiple thermocouple support assembly Various methods and a multiple thermocouple support assembly are disclosed. The support comprises a tube supported at both ends while extending across a vessel used in processing a fluid over a fixed bed of particulate solids, for example, such as a hydro... | 06/07/1977 |
| 4028258 | Alkylene oxide adducts of phosphosulfurized N-(hydroxyalkyl) alkenylsuccinimides An alkylene oxide adduct of phosphosulfurized N-(hydroxyalkyl) alkenylsuccinimide characterized by the formula: ##STR1## where R1 is alkenyl of from 10 to 30 carbons and X and Y are divalent saturated aliphatic hydrocarbon radicals of from... | 06/07/1977 |
| 4026874 | Scale control This invention concerns methods of imparting properties of scale resistance to surfaces upon which adherent scale is normally prone to form during contact with mineralized waters through the use of novel; polyurethane-type resins, characterized by contain... | 05/31/1977 |
| 4026358 | Method of in situ recovery of viscous oils and bitumens A method for recovering low-gravity viscous oils and bitumen hydrocarbons from a subterranean hydrocarbon-bearing formation by injecting thereinto a hydrocarbon solvent saturated with a gas, and thereafter establishing a thermal sink in the formation, fol... | 05/31/1977 |
| 4026694 | Stabilized dispersions of micronutrients in spray oils Disclosed herein are self-emulsifiable compositions containing water soluble micronutrients such as inorganic salts of zinc or manganese in a finely divided form. The concentrates are prepared from inexpensive water soluble compounds by an emulsion dehydr... | 05/31/1977 |
| 4026809 | Lubricating compositions containing methacrylate ester graft copolymers as useful viscosity index improvers Lubricating compositions exhibiting an improved viscosity index are prepared by adding to a lubricating oil base stock a small amount of graft copolymer of a methacrylate ester and an ethylene/propylene/alkylidene norbornene terpolymer.... | 05/31/1977 |
| 4025612 | Process for the production of hydrogen Hydrogen is produced by the combustion of carbon with air to produce a combustion gas effluent containing carbon dioxide and nitrogen. The carbon dioxide is separated and reacted with carbon to produce carbon monoxide. The resulting produced carbon monoxi... | 05/24/1977 |
| 4025547 | Preparation of allyl vinylacetate esters This invention relates to the preparation of allyl vinylacetate esters via the catalytic carbonylation of allylic alcohols. The esters are produced in good yield and selectivity using empirically selected 3-component homogeneous palladium dihalide catalys... | 05/24/1977 |
| 4025445 | Boron amide lubricating oil additive A nitrogen-boron-containing lubricant additive characterized by containing from 0.5 to 2.5 weight percent nitrogen and from 0.050 to 2.0 weight percent boron and a mineral lubricating oil composition containing same.... | 05/24/1977 |
| 4025324 | Hydrocarbon vapor control unit and system A hydrocarbon vapor control system for preventing escape to the atmosphere, and for disposing of such vapors by clean burning. It includes a pair of adsorption beds and means for alternatively connecting them to receive the vapor while the other one of th... | 05/24/1977 |
| 4024915 | Recovery of viscous oil by unheated air injection, followed by in situ combustion Disclosed is a method for recovering low gravity, viscous petroleum including bitumen from a tar sand deposit by injecting unheated air followed by a soak period so that the viscous petroleum is conditioned by contact with the unheated air, followed by in... | 05/24/1977 |
| 4025583 | Amine adducts of ethyl oleyl acid orthophosphate Disclosed are lubricant compositions containing adducts of an amine with a phosphate ester of the formula: ##STR1## wherein R is hydrogen or alkyl having up to 25 carbon atoms in the chain, R' is hydrogen or alkyl having up to 7 carbon atoms except o... | 05/24/1977 |
| 4025561 | Process for producing secondary alkyl primary amines from n-paraffin A process for converting mixtures of C6 to C30 n-paraffin and n-paraffin by-products to substantially pure n-paraffin which comprises catalytically hydrogenating the mixture at a temperature of from about 600° to 750° F. in the pre... | 05/24/1977 |
