Patents

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-4,699,752 Shielding device
A shielding device is disclosed for use in shielding the under-vessel area from radiation emanating above the lower terminus of a control rod drive of a power...
US-4,699,751 Neutron dosimeter
A dosimeter which incorporates new methods for determining neutron dose. Less than one millirad of dose due to neutrons of all energies down to approximately...
US-4,699,750 Apparatus for storage, retrieval and deployment of drag gages used in fuel assembly inspection
In a system for inspecting fuel assembly guide thimbles, an apparatus for handling drag gages insertable within the guide thimbles includes a spider rotatably...
US-4,699,749 Controlling a nuclear reactor with dropped control rods
In a pressurized water reactor in which a dropped control rod is detected by a negative rate of change of neutron flux which exceeds a preset negative limit, the...
US-4,699,748 Container with insert having a fully or partially encapsulating seal with a frangible web formed against said...
A blow-molded container is provided with an insert occluding its top opening. A closure structure at least partially encapsulates the insert article and includes...
US-4,699,747 Method of molding a plastic buckle with floating center bar
The method consists in simultaneously press-molding inside a single die a rectangular frame and a transverse movable cross-piece, which have a sliding...
US-4,699,746 Process of making high tenacity as-spun anisotropic melt fibers
As-spun fibers of high tenacity are obtained by melt-spinning certain high inherent viscosity copolyesters through spinneret orifices of about 6 mils and less.
US-4,699,745 Process for the production of polycarbonate injection-moulded shaped articles
The present invention relates to a process for the production of thermoplastic polycarbonate injection-moulded shaped articles from polycarbonate melt strands,...
US-4,699,744 Method of manufacturing a photographic reflecting support
A method of manufacturing a photographic reflecting support wherein chips and/or resin scraps of a thermoplastic resin are heat-treated in a vacuum and fed into...
US-4,699,743 Method of recovering a heat shrinkable magnetic shielding article over an electrical component
An article comprising a magnetic shielding thermoplastic polymeric material containing a powdery ferrite and a heat shrinkable thermoplastic polymeric material...
US-4,699,742 Process for forming calcium phosphate ceramic articles
An improved process for producing shaped ceramic articles of calcium phosphate by reacting calcium ions with phosphate ions in an aqueous medium at pH 8 or up to...
US-4,699,741 Method of phlegmatization of crystalline explosives and other explosive crystalline substances, as well as a...
The disclosure primarily relates to a method of phlegmatizing crystalline or otherwise particulate explosive substances or compositions in which these are...
US-4,699,740 Stirring system and method for introducing gases to liquids
A stirring system for dispersing gases in liquids, includes an upright mixing vessel with at least one baffle, a draft tube, and a stirring shaft with at least...
US-4,699,739 Gasoline engine choking arrangement
A gasoline engine choking arrangement which serves as a modification to automatic chokes found in existing 9 and 11 cubic inch vertical shaft gasoline engines,...
US-4,699,738 Electrically heated choke having improved control
An automatic choke mechanism including an electrical heater and a circuit for energizing the heater so that the choke is opened first at a relatively rapid rate...
US-4,699,737 Portable humidifier
A portable humidifier for insertion into a receptacle for water, including an outer housing which has outlet openings formed therein, a support structure for...
US-4,699,736 Manufacture of alkane sulphonyl chlorides
Continuous manufacture of an alkane sulphonyl chloride by the action of chlorine on the dialkyl disulphide corresponding to the alkane, in the presence of water...
US-4,699,735 Process for the preparation of 1,4-diaminoanthraquinone-2-sulfonic acid
The invention relates to a process for the preparation of 1,4-diaminoanthraquinone-2-sulfonic acid by sulfonating 1,4-diaminoanthraquinone or...
US-4,699,734 Flame-retardant polyolefin compositions containing exudation inhibitor and process for producing same
The invention relates to base polyolefin compositions, and concentrates thereof adapted to be let down or diluted by addition of further polyolefin, flameproofed...
US-4,699,733 Resin compostion for porous film and film prepared therefrom
A porous film having a good water vapor permeability is obtained with a high productivity by melting a resin composition comprising 100 parts by weight of a...
US-4,699,732 Preparation of dispersible cerium compound
The invention provides a process for the preparation of a dispersible cerium compound (i.e. a cerium compound which may be dispersed in a liquid to give a...
US-4,699,731 Liquid crystal material for a thermal writing liquid crystal element
The liquid crystal material for use in a thermal writing liquid crystal element. The material contains essentially two components (a) and (c) or three components...
US-4,699,730 Magnesium sulfate and complex silicate mineral paint denaturant
The paint denaturant composition of this invention includes mixing magnesium sulfate with complex silicate minerals. The complex silicate minerals disclosed...
US-4,699,729 Process for manufacturing bentonite-containing particulate fabric softening detergent composition
A fabric softening particulate synthetic organic detergent composition is made by mixing together a minor proportion of a finely divided bentonite powder and a...
US-4,699,728 Aqueous acidic composition for cleaning fiberglass
An aqueous acidic solution for cleaning fiberglass without significant discoloration of the surface thereof comprising a water-soluble organophosphonic acid...
US-4,699,727 Heat transfer fluids having improved thermal stability
Thermally stable heat transfer fluids are disclosed which are polyoxyethylene polymers initiated with bisphenols. These polymers do not smoke excessively,...
US-4,699,726 Application of non aqueous fluids based on alkylene glycol monoether as heat transfer agent
The present invention relates to the application of a non aqueous fluid as heat transfer agent in cooling circuits or heat exchanger heating circuits, this...
US-4,699,725 Magnesium calcium acetate products, and process for their manufacture
Finely divided ore blends containing chemically active magnesium oxide and calcium oxide are physically combined with a critical amount of water prior to...
US-4,699,724 Post-coupled mono-succinimide lubricating oil dispersant and viton seal additives
A lubricating oil composition having improved dispersancy and viton seal compatibility. The dispersant being prepared by coupling two mono-alkenyl succinimides...
US-4,699,723 Dispersant-antioxidant multifunction viscosity index improver
A multi-function Viscosity Index Improver having properties, including dispersancy and antioxidation, which comprises a functional ethylene-propylene copolymer...
US-4,699,722 Aqueous well fluids
Aqueous well fluids, such as completion, stimulation and work over fluids contain, as a viscosifier, a polymer having recurring units derived from monomers of...
US-4,699,721 Method and apparatus for separating contaminants from fluidizable solids
A process and apparatus for treating any fluidizable solid material having an organic contaminant or recoverable material absorbed or adsorbed thereon,...
US-4,699,720 Process for treating waste water by wet oxidations
Waste water containing at least two kinds of components among suspended solids, ammonia and chemically oxidizable substances is treated in a liquid phase...
US-4,699,719 Process and apparatus for utilizing engine exhaust heat in oil field operations
Exhaust heat from engines used in oil field operations can be utilized to (1) at least partially separate a water-containing wellstream fluid into a ...
US-4,699,718 Ion chromatography method and apparatus
A method and apparatus for the simultaneous analysis of borate and chloride ions in a liquid sample, such as a sample of nuclear reactor water, by ion ...
US-4,699,717 Chromatographic process for the separation of nucleic acids
A process for the chromatographic separation of nucleic acid using a chromatographic carrier material is described in which the surface of the carrier material...
US-4,699,716 Variable-thickness sector for a rotary disc-type filter
A filtration sector for making up a filtration disc comprising a rigid frame imparting its shape thereto, supports for filter cloth within the frame and a member...
US-4,699,715 Folded filter screen
A filter screen for filtering contaminant particles from the fluid system of a hydraulic system comprises a screen which forms an axially extended convoluted...
US-4,699,714 Ion exchange apparatus
An ion exchange apparatus in which granular exchanger material is deposited to a level above a horizontal drainage for the regeneration medium solution of an...
US-4,699,713 Seed cleaner
A seed cleaning device includes a frame and first and second screened grids, each of which is pivotably mounted to the frame. Two crankshafts are mounted to the...
US-4,699,712 Ore dressing method
An ore dressing method for beneficiating copper from copper bearing ore by froth flotation employing the collector which comprises a mixture of an ...
US-4,699,711 Novel O,O'-, O,S'- or S,S'-dithiodialkylene-bis(mono- or dihydrocarbyl carbamothioates) and...
The invention relates to novel O,O'-, O,S'- or S,S'-dithiodialkylene-bis(mono- or dihydrocarbyl carbamothioates) and S,S'-dithiodialkylene-bis(mono- or...
US-4,699,710 Separator for particulates
Apparatus for separating relatively large particles from dust particles, comprising an enclosed separating station for separating the large particles from the...
US-4,699,709 Recovery of a carbonaceous liquid with a low fines content
A method for removing solid fines in an extraction of bitumen by (1) extracting bitumen with a mixed solvent comprising at least one solvent with a solubility...
US-4,699,708 Base-exchanged zeolite catalyst compositions with shape-selective metal function
This invention provides a novel base-exchanged shape-selective hydrogenation-dehydrogenation-dehydrocyclization catalyst composition which is a zeolite matrix...
US-4,699,707 Process for producing lubrication oil of high viscosity index from shale oils
Full-range shale oils or fractions thereof, after hydrotreating, are hydrodewaxed and then hydrogenated to produce lubricating oil fractions boiling above...
US-4,699,706 Method and apparatus for extraction of species from electrophoresis media
Electrophoretic extraction of molecular species from a separation medium such as a gel segment is achieved by placing the separation medium in a tube closed at...
US-4,699,705 Element for electrophoresis using aqueous polyacrylamide gel
An element for electrophoresis comprising a polymer sheet having been subjected to glow discharge treatment and an aqueous gel medium layer containing a compound...
US-4,699,704 Electrolytic cell for a molten salt
An electrolytic cell for a molten salt comprising alkali- or alkaline earth metal chloride, comprising: an assembly of anode and cathode in opposed relation with...
US-4,699,703 Anodic boot for steel reinforced concrete structures
An anodic boot for the protection of steel reinforcement in concrete support structure from corrosion. The boot includes flexible panel means having first and...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | Next →