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Patent # Description
US-4,750,950 Heat treated alloy
A process for heat treating alloy objects which comprises solution treating a nickel-base alloy containing chromium, molybdenum, copper, titanium, aluminum and...
US-4,750,948 Welding flux
A flux for submerged-arc welding comprising a balanced combination of calcium fluoride, alumina, zirconia, cryolite, magnetite, manganese metal, nickel-niobium...
US-4,750,887 Anchor bolt assembly
An anchor bolt assembly for securing a bolt in a bore hole having a settable bonding material therein utilizes a standard smooth bolt or a rebar which has a head...
US-4,750,530 Bulk materials loading system
A system for loading predetermined amounts of flowable bulk materials, such as a coal, from a storage area into a conveyance such as a railroad car includes a...
US-D296,227 Rear sight for a pistol
US-4,748,261 Bis-phosphite compounds
Transition metal-bis-phosphite catalyzed carbonylation processes, especially hydroformylation, as well as transition metal-bis-phosphite compositions,...
US-4,748,217 Preparation of tetrafluoroethylene fine powder
A bromate/bisulfite redox initiator system has been found useful for polymerizing tetrafluoroethylene to make resins of good stretch capability.
US-4,747,938 Low temperature pyrolysis of coal or oil shale in the presence of calcium compounds
A coal pyrolysis technique or process is described in which particulate coal is pyrolyzed in the presence of about 5 to 21 wt. % of a calcium compound selected...
US-4,747,503 Tamper resistant drug container
A means of packaging drugs and the like is described comprising a container, having two compartments, one of which is to leave evidence that the container has...
US-RE32,678 Economy poke-thru
.[.Poke-thru has floor fitting servived by a thru floor unit in a bore in the floor and carries power and/or communications conductors. The thru floor unit...
US-4,746,768 Recessed insert for connecting flat conductor cable to a cellular raceway
Insert has a plate member supporting one or more transition blocks for interconnecting power conductors from the power cell to the conductors of a flat cable...
US-4,746,248 Anchor bolt assembly
An achor bolt assembly for securing a bolt in a bore hole is provided with supporting members for applying pressure against an area surrounding the mouth of the...
US-4,746,149 Coupler for water line
A pair of slot-and-stud connected coupler units for use between water conduits such as a garden hose and faucet. An O-ring seal prevents escape of water between...
US-4,745,148 Thermoplastic polyester molding composition having an improved impact performance
A thermoplastic molding composition comprising a blend of a thermoplastic polyester, a rubber-elastic impact modifying compound and a certain blocked (capped)...
US-4,744,398 Protective cover for receiver-speaker
A protective container assembly for receiver-speaker equipment including an outer container generally rectangular in configuration and closed along three sides...
US-4,743,658 Stable tetrafluoroethylene copolymers
A tetrafluoroethylene/perfluoro(alkyl vinyl)ether copolymer substantially free of unstable end groups and extractable fluoride that cause corrosion of metal...
US-4,743,470 Spreading pastes containing polyurethane plastics and a process for the production of polyurethane coatings...
This invention relates to spreading pastes containing polyurethanes which are prepared from special synthesis components selected from the group of silicone...
US-4,743,318 Carburization/oxidation resistant worked alloy
An iron-nickel-chromium-aluminum alloy containing about 30 to 40% nickel, about 15 to less than 19% chromium, about 2 to 4% aluminum, carbon in an amount of at...
US-4,742,782 Sheet metal shelving assembly
The nut and bolt connection between bent metal columns and shelves: is easy to assemble because the bolt apertures through the shelf skirts are spaced downwardly...
US-4,742,686 Process for increasing tree nut shelling efficiency
A process for increasing tree unit shelling efficiency includes a means of temporarily hardening the kernels of unshelled nuts to increase the efficiency of...
US-4,742,291 Interface control for storage battery based alternate energy systems
An alternate energy interface control for implementation with utility derived power sources and alternate power sources such as are provided by solar panels,...
US-4,742,122 Melt-processible tetrafluoroethylene/perfluoroolefin copolymers and processes for preparing them
Melt-processible tetrafluoroethylene/perfluoroolefin copolymer granules, and process for their preparation, are disclosed having improved thermal stability, high...
US-4,742,095 Continuous process for the production of aqueous polyurethane-urea dispersions
The present invention is directed to a continuous process for the production of aqueous polyurethane-urea dispersions by (a) mixing an emulsifiable...
US-4,741,839 Ultrasonic vibrator tray processes and apparatus
Processes and apparatus for treatment of flowing slurries of particulate material mixed in liquid employ a wide, elongated downwardly-slanted, metal tray with...
US-4,741,838 Flocculation of high solids mineral slurries
Aqueous mineral slurries containing 10% by weight or more of finely divided mineral solids are flocculated prior to dewatering and/or thickening to obtain...
US-4,741,083 Tool for unplugging fire hydrant drains
Fire hydrant drain holes are unplugged from within a hydrant barrel by removing the bonnet and valve gear from the top of the barrel and using a specialized...
US-4,740,552 Alloys of styrenic resins and polyamides
An improved method for making alloys of styrenic resins and polyamides. The styrenic resin is first melt-processed with an ethylenically-unsaturated carboxylic...
US-4,740,548 Polyimide thermoplastic protected from discoloration during thermal processing
A thermoplastic composition is provided which comprises a polyimide with an effective amount of an alpha-hydroxyketone such as benzoin to prevent discoloration...
US-4,740,547 Aromatic polysulfone thermoplastics protected from discoloration during thermal processing
A thermoplastic composition is provided which comprises an aromatic polysulfone with an effective amount of an alpha-hydroxyketone such as benzoin to prevent...
US-4,740,361 Process for removing metal carbonyls from gaseous streams
Process for removing metal carbonyl contaminants from a gaseous stream which comprises contacting the gaseous stream with a zinc sulfide absorbent to thereby...
US-4,740,272 Separation of monoalkyl maleate from dialkyl maleate
A method of producing substantially pure dialkyl maleate by separating monoalkyl maleate from dialkyl maleate in a short residence time distillation zone while...
US-4,739,187 Self-contained switch for illuminating lamp with emergency signal capability
A self-contained switch unit for controlling a remote illuminating lamp has, in a common housing, a main ON/OFF switch, and has an emergency signal ON/OFF switch...
US-4,739,122 Preparation of ketones
A process to produce Methyl Amyl Ketone heterogeneously via the cross-aldol condensation reaction between a C.sub.3 (isopropanol or acetone feed) and a C.sub.4...
US-4,738,938 Melting and vacuum refining of glass or the like and composition of sheet
Method and apparatus are provided for refining glassy material or the like by vacuum. The material is first melted and then introduced into a vacuum chamber,...
US-4,738,797 Aminocarboxylic acid-terminated polyoxyalkylene containing extreme pressure functional compositions
An extreme pressure composition is provided wherein the composition comprises a carrier medium and an aminocarboxylic acid-terminated polyoxyalkylene having at...
US-4,737,603 Isolation switch
An isolation switch comprises a mounting plate with a hub adapted to extend forwardly through a wall of an explosion-proof enclosure. A shaft is journaled for...
US-4,737,588 Transition metal complex catalyzed reactions
Transition metal-diorganophosphite complex catalyzed carbonylation processes, especially hydroformylation, as well as transition metal-diorganophosphite ligand...
US-4,737,249 Electrolytic production of hydrogen
A process for the electrochemical production of hydrogen from an aqueous alkaline electrolyte characterized by the use as a cathode of a material having the...
US-4,736,835 Knock-down frame for conveyors
A support frame for a conveyor of raw material includes stands at spaced locations along the support frame and interconnecting longitudinal bars between the...
US-4,735,327 Radio controlled downhill skyline logging carriage and system
A skyline logging system which uses an improved carriage which can traverse intermediate supports, which can lift both ends of a load of logs, which has a...
US-4,734,538 Process for the production of dienes
Aldehydes can be converted to dienes by contacting the aldehydes with a non-zeolitic molecular sieve. Preferably the non-zeolitic molecular sieve has, in its...
US-4,733,929 Diffuser fiber incident energy concentrator and method of using same
This invention relates to a coaxial diffuser optical fiber wave guide incident radiation energy concentrator using internal diffusion to scatter incident...
US-4,733,628 Recoverable sea anchor and method
A sea anchor wherein the shroud may rotate about a mooring line to suppress shroud line fouling and including a trip line configured for drawing the center of...
US-4,732,938 Thermoplastic polyamide--polyphenylene ether compositions
Compositions comprising a carboxylated PPE resin and a polyamide having good compatibility and impact properties. The carboxylated PPE resin/polyamide alloys are...
US-4,732,634 Method of forming threaded polar openings for composite pressure vessels
A composite pressure vessel having a larger diameter, threaded polar opening with integrally depending threads is disclosed. The threaded polar opening is...
US-4,732,602 Bronze alloy for glass container molds
This invention relates to a copper base alloy with improved toughness and weldability for use in making molds for glass containers. The alloy of the present...
US-4,732,169 Waffle sponge perm rod
A permanent wave roller for use in providing a permanent wave to hair which includes a rod having a predetermined length and an outer surface upon which an...
US-4,731,486 Hydroformylation using low volatile phosphine ligands
A nonaqueous hydroformylation process for producing aldehydes using low volatile, organic solubilized monosulfonated tertiary phosphine metal salt ligands.
US-4,730,406 Bolt release trigger safety mechanism for firearms
This invention is an integrated three-position or three-stage safety mechanism for firearms that allows the release of a locked breech bolt mechanism while a...
US-4,728,542 Ionically modified pur spreading pastes and their use
The present invention is directed to the preparation of optionally pigmented spreading paste based on multiphase mixtures of ionically-modified polyurethanes...
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