Patents

Searching:





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




Patent # Description
US-4,264,386 Process for molding a cloth in a hot mold and molding a cloth covered foam filled product
A method of molding cloth. A special multi-layer cloth is first preheated and then drawn into a heated mold by means of a vacuum between the cloth and the mold....
US-4,264,385 Growing of crystals
Methods of growing crystals by the Czochralski method are provided in which a member having a central vertical passageway extending through it is floated on the...
US-4,264,384 Method and article for electrically splicing web ends
Provided is a method and apparatus for maintaining electrical conductivity between the ends of spliced metallic webs during surface treatment operations.
US-4,264,383 Technique for making asymmetric thyristors
A method for doping a wafer of n-type seimiconductor material having two surfaces includes the steps of applying a boron solution to a first surface of the wafer...
US-4,264,382 Method for making a lateral PNP or NPN with a high gain utilizing reactive ion etching of buried high...
A method for making lateral PNP or NPN devices in isolated monocrystalline silicon pockets wherein silicon dioxide isolation surrounds the pocket and partially,...
US-4,264,381 Fabrication of injection lasers utilizing a porous host diffusion layer
Porous silica doped with zinc is used as a p-type dopant source in the construction of rib lasers. Other modifications include allowing the zinc diffusion to go...
US-4,264,380 Nitride casehardening process and the nitrided product thereof
A method of nitriding ferrous alloys for improving the quality and integrity of the resultant case or hardened surface portion formed thereby, comprising the...
US-4,264,379 Process for coating copper and copper alloy
Copper or copper alloy sheet or foil displaying excellent solderability and high resistance to tarnish is prepared by the provision over its surface of a coating...
US-4,264,378 Chromium-free surface treatment
A chromium-free process for phosphatizing a metal surface provides for applying to the surface an aqueous acidic solution having pH 1.5 to 3.0 and containing...
US-4,264,377 Material for treatment of surfaces
A method of treating oxidized surfaces but especially metal surfaces using a mixture by which deep entry of porous rust can be achieved and reduction of the...
US-4,264,376 Method for producing a nonvolatile memory device
A metal-silicon nitride-silicon oxide-substrate (MNOS) type nonvolatile memory device is disclosed. After the silicon nitride film has been formed, the heat...
US-4,264,375 Detector for high intensity laser radiation
The reliability of a high intensity laser radiation surface ionization detector is increased by providing a target material for the high intensity laser...
US-4,264,374 Cleaning process for p-type silicon surface
A cleaning process for a silicon surface, especially a p-type silicon surface. The surface is exposed to HF/H.sub.2 O fumes, thereby obtaining a hexafluosilicic...
US-4,264,373 Method of refining beet juice
A method of refining beet juice containing a colorant wherein the beet juice is contacted with an adsorbent composed of a dehydrated solid of a coprecipitated...
US-4,264,372 Calcium carbonate containing kaolin clay additive
A calcium carbonate composition contains a minor amount of kaolin clay, said kaolin clay being present in an amount sufficient to improve the dispersibility of...
US-4,264,371 Room temperature seam mix
A mix suitable for room temperature application which, on baking, forms a liquid-tight, electrically conductive seam between adjacent carbon blocks in an...
US-4,264,370 Method for preparing aluminum-based air drying compositions
Method for preparing storage-stable air-drying compositions containing a combination of an aluminum alkoxide with a labile monofunctional reactant such as an...
US-4,264,369 Image transfer medium
A novel composition of matter for use as image transfer medium in the form of a viscous or semi-viscous solution. The composition basically consists of water, a...
US-4,264,368 Admixtures and method for accelerating the setting of portland cement compositions
A method of and compositions for accelerating the setting time of portland cement compositions are disclosed. Certain .alpha.-hydroxy carbonyl compounds in...
US-4,264,367 Admixtures and method for accelerating the setting of portland cement compositions
A method of and compositions for accelerating the setting time of portland cement compositions are disclosed. Certain admixtures, comprising water-soluble...
US-4,264,366 Cancellation and marking inks
A new bleed, smudge and eradication resistant ink composition for use in the cancellation of stamps and marking of paper products consisting essentially of...
US-4,264,365 Production of pressure-sensitive carbonless record sheets using dioic acid hot melt systems and products thereof
A process is provided for producing a pressure-sensitive carbonless record sheet comprising the steps of preparing a hot melt coating composition, the hot melt...
US-4,264,364 Thermally stable smoke suppressant additives to polymeric compositions
A polymer composition which includes, as a smoke suppressing additive, a complex of a Friedel-Crafts halide compound with an organic compound selected from the...
US-4,264,363 Corrosion inhibiting coating composition
Corrosion inhibiting coating compositions are prepared comprising combining a mixture (I) of (A) a non-Newtonian colloidal disperse system comprising an alkali...
US-4,264,362 Supercorroding galvanic cell alloys for generation of heat and gas
Supercorroding magnesium alloys that operate like galvanic cells and react apidly and predictably with seawater to produce heat and hydrogen gas. The alloys are...
US-4,264,361 Heat-resistant composite magnet and method for producing the same
This invention relates to a heat-resistant composite magnet comprising 2 to 30% by weight of an organic-inorganic compound binder containing boron and silicon...
US-4,264,360 Chromium modified silicon-tin containing copper base alloys
A copper base alloy and process of treating same. The alloy consists essentially of: about 1.0 to 4.5% silicon; about 1.0 to 5.0% tin; about 0.01 to 0.45%...
US-4,264,359 Jewelry alloy
An alloy of gold, palladium, silver, copper, zinc and a small quantity of boron is provided to produce an alloy having a pleasing yellow color, high tarnish...
US-4,264,358 Semiconducting glasses with flux pinning inclusions
A series of amorphous superconducting glassy alloys containing 1% to 10% by volume of flux pinning crystalline inclusions have been found to have potentially...
US-4,264,357 Wear-resistant cast iron
Wear-resistant cast iron comprising the following ingredients (wt. %):
US-4,264,356 Ferritic precipitation-hardened soft magnetic stainless steel
A ferritic precipitation-hardened soft magnetic stainless steel is disclosed. This steel consists by weight percentage of not more than 0.1% of C, 12.0-22.0% of...
US-4,264,355 Methods for producing steel from iron sponge in electric furnaces
A method is provided for producing steel in an economically acceptable fashion from iron sponge with less than 66% Fe and with high acid slag formers. This is...
US-4,264,354 Method of making spherical dental alloy powders
A dental alloy powder containing silver, tin and copper and, optionally, other alloying metals which has been rendered spherical by a heat treatment to melt at...
US-4,264,353 3-[5-[1-(4-Halophenoxy)alkyl, alkynyl, alkenyl, or ...
The disclosed compounds, such as 3-[5-[1-(4-chlorophenoxy)ethyl]-1,3,4-thiadiazol-2-yl]-4-hydroxy-1-methyl- 2-imidazolidinone, are useful for preemergence and...
US-4,264,352 Solid waste treatment system
A method for composting solid waste material wherein, in initial treatment stages an optimum particle size is developed at a comminution station. Following an...
US-4,264,351 Glass melting furnace
A glass melting furnace, especially fully electrically heated glass melting furnace, comprising a wall of refractory material, said wall being circular or having...
US-4,264,350 Method of treating glass forming molds and the like
The present invention relates to a process for treating molten glass contacting surfaces including forming molds, gob chutes, neck rings, and the like, with an...
US-4,264,349 Drawing optical waveguides by heating with laser radiation
In drawing an optical waveguide, the blank is heated by a beam of laser radiation which has substantially zero power from the axis of the blank to a prescribed...
US-4,264,348 Bushing blocks
Apparatus and method for mixing molten glass as it flows from a bushing block into a bushing is disclosed. The bushing block is divided into a plurality of...
US-4,264,347 Method of fabricating optical fiber preforms
An improved method of preparing optical fiber preforms and optical fibers by so called rod-in-tube method, wherein before collapsing a tube to heat-adhere to a...
US-4,264,346 Diesel exhaust particulate traps
Related arrangements of diesel exhaust particulate traps are disclosed wherein particulate filter elements are formed from porous ceramic monoliths made of high...
US-4,264,345 Filter housing
A filter housing having one or more flow-through media support members releasably secured in the housing between the dirty gas inlet and the clean gas outlet to...
US-4,264,344 Diesel engine exhaust particulate trap
A serviceable exhaust particulate trap for diesel engines comprising, in a preferred embodiment, a concentric dual bath filter including a tubular outer filter...
US-4,264,343 Electrostatic particle collecting apparatus
Apparatus for charging and collecting submicron particles. The particles are charged by a needle-to-plate ionizer having offset rows of needles which are spaced...
US-4,264,342 Thermally condensed mixture of polyacrylonitrile and ferrous acetate as carbon monoxide adsorbent
Separating carbon monoxide from mixed gases containing the same with an adsorbent which is the product of heating a mixture of ferrous acetate and ...
US-4,264,341 Method of radioactive offgas filtration and filter regeneration and device for implementing the method
Method and device for effecting radioactive offgas filtration by means of a mass of filter material, and filter material regeneration, at temperatures in excess...
US-4,264,340 Vacuum swing adsorption for air fractionation
The water content of high purity nitrogen obtained by vacuum swing adsorptive fractionation of ambient air, is removed in a companion thermal swing drying system...
US-4,264,339 Process for the recovery of nitrogen-rich gases from gases containing at least oxygen as other component
The present process is an improvement of an earlier process wherein a nitrogen enriched gas is obtained from a gas containing oxygen and possibly other...
US-4,264,338 Method for separating gases
An improved process for the separation of gases by selective membrane diffusion or permeation by means of plural stages of membrane separation without increasing...
US-4,264,337 Process for forming a scrubbing pad
An improved process for coating foamed sponge material with a heat curable adhesive and abrasive mixture which comprises using as the catalyst for the adhesive,...
← 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 | Next →