Patents

Searching:





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




Patent # Description
US-3,951,680 Filled polyolefin compositions
Filled polyolefin compositions having silicate mineral fillers coupled into the resin by means of certain coordination complexes, particularly fumarato chromium...
US-3,951,679 Colored pigments
Blue colored mica flake pigments are provided by coating mica flakes, or mica flakes optionally coated with a uniform metallic oxide layer, with a uniform layer...
US-3,951,678 Pigmentation of crude metal phthalocyanines
A process for the conversion of crude metal phthalocyanines produced by fusion syntheses into pigments having improved tinctorial strength and transparency is...
US-3,951,677 Mullite fibrils
Single crystal mullite fibrils having a diameter of about 3-100 nanometers, a length of about 0.05-2 microns and a length-to-diameter ratio of about 5-100:1...
US-3,951,676 Cationic bituminous emulsions forming residuum having improved temperature characteristics
Stable, modified cationic bituminous emulsions are provided which form residuums having improved temperature susceptibility characteristics by combining with the...
US-3,951,675 Method for the treatment of phosphogypsum
The purification of the raw phosphogypsum issued from the fabrication of phosphoric acid by reaction between phosphate rock and sulphuric acid consists of...
US-3,951,674 Concrete additive
Cementitious concrete compositions with improved compressive strength comprising a cellulose acetate sulfate set-retarding compressive strength increasing agent...
US-3,951,673 Inorganic hardening composition
An inorganic hardening composition containing water glass and at least one of petalite and spodumene fired at a temperature of at least 1,000.degree.C has a high...
US-3,951,672 Glass frit containing lead ruthenate or lead iridate in relatively uniform dispersion and method to produce same
Thick film resistive elements are prepared from an intimate admixture comprising silica, lead oxide and ruthenium dioxide or iridium dioxide which is heated to a...
US-3,951,671 Ophthalmic glass compositions
Ophthalmic glass compositions suitable for toughening by the known ion-exchange process have a composition in weight percentages of: SiO.sub.2 58 ...
US-3,951,670 Cristobalite suppression in high-silica Li.sub.2 O-Al.sub.2 O-SiO.sub.2 devitrified glass frits
Suppression of a high expansion cristobalite phase during sintering of high silica glass frits crystallizing in situ to predominantly a low-expansion ...
US-3,951,669 Fusion seals and sealing compositions for their production
This invention relates to sealing mixtures consisting essentially of a sealing glass having a low sealing temperature and a high coefficient of thermal...
US-3,951,668 Multicolor printing
A multicolor printing method for reproducing varicolored images on substrates having a white surface by printing with inks of three primary colors, i.e. a color...
US-3,951,667 Inorganic anticorrosive coating material
Inorganic anticorrosive coating material which forms excellent coating film having several good properties of hardness, water resistance, anticorrosiveness,...
US-3,951,666 Spectrally sensitized silver halide photographic emulsion
A silver halide photographic emulsion containing a supersensitizing amount of the combination of at least one dye represented by the general formula (I) ...
US-3,951,665 Direct-positive silver halide emulsion fogged with a tin (II) chelate
The present invention relates to a modification of the sensitivity of photographic silver halide emulsions: A chelate of divalent tin is added to the emulsion...
US-3,951,664 Light-sensitive material having developers embedded therein
A photographic material having a light-sensitive silver salt emulsion layer which layer contains a silver salt developer of the chroman series having the formula...
US-3,951,663 Organic volume phase holographic recording media comprising an .alpha. di-ketone
Certain light sensitive .alpha.-diketones dissolved in a cured light-insensitive transparent polymer host form recording media useful for recording volume phase...
US-3,951,662 Method of antistatic treatment for silver halide photosensitive materials
Supported silver halide photosensitive materials comprising an antistatic additive which comprises a glycidol poly-addition product of a phenol-aldehyde condensate.
US-3,951,661 Silver halide emulsion containing an arylphosphonium salt as antifoggant
Substances of the structure ##EQU1## wherein Z is phosphorus, X.sup.-is Cl.sup.-, Br.sup.-, ClO.sub.2 .sup.- or BF.sub.4 .sup.-, and R.sub.1 - R.sub.4 are...
US-3,951,660 Dry copying material
A material for use in a process of producing optical copies of graphic originals, which optical recording material is in a layer and contains a nonlight...
US-3,951,659 Method for resist coating of a glass substrate
A method for preparing the surface of a glass substrate so that resist maial may be directly applied to the surface and adhere thereto. The invention is...
US-3,951,658 Color modifying imaging method and article
A reprographic imaging method based upon a color modifying reaction. In one embodiment of this method a leuco (colorless or weakly colored) form of a material is...
US-3,951,657 Process for making a relief printing plate
A photopolymerizable element for the preparation of relief printing plates. The element comprises an addition polymerizable monomer (e.g. trimethylolpropane...
US-3,951,656 Direct-positive silver halide emulsion fogged with a cyanoborohydride anion
A method for chemically fogging a silver halide photographic emulsion comprising reacting cyanoborohydride anion with the silver halide thereby forming metallic...
US-3,951,655 Dye sensitized photoconductive material
Electrophotographic sheet material comprising a dye-sensitized photoconductive layer is made resistant to fading of its light-sensitivity by incorporating in the...
US-3,951,654 Method for enhancement in the rate and efficiency of photodischarge of electrostatographic imaging members...
Method for enhancing both the rate and completeness of discharge of a photoconductive insulating layer comprising phthalocyanine pigments. Such enhancement is...
US-3,951,653 Method of preventing toner build-up on electrodes during liquid development
An improved electrophoretic development method comprising providing a liquid developer system having a backing electrode and a developer electrode, wherein the...
US-3,951,652 Method of forming image on sulfur based photosensitive member
A method of forming an image comprising imagewise exposing a sulfur based-photosensitive member comprising a support having thereon a thin layer mainly...
US-3,951,651 Metal composition and methods for preparing liquid-solid alloy metal compositions and for casting the metal...
This invention provides a composite composition comprising a metallic matrix having a concentration of third phase solid particles homogeneously dispersed...
US-3,951,650 Low carbon, Ni-Cr-Mo system cast iron roll
A low carbon, Ni-Cr-Mo system cast iron roll containing, in weight percent, from 1.5 to 2.8% C, from 0.2 to 0.7% Si, from 0.6 to 0.8% Mn, from 2.1 to 3.5% Ni,...
US-3,951,649 Process for the recovery of copper
Metallic copper is recovered from raw materials containing copper in a chemically bound state by first leaching the copper-containing raw material with a ferric...
US-3,951,648 Process for recovering palladium, more particularly from alumina containing catalysts
Process for recovering palladium from a catalyst having a palladium content of less than 5 %, comprising contacting said catalyst with a gaseous chlorinated...
US-3,951,647 Reduction method for producing manganese metal
A process is provided to produce pure elemental metal; such as manganese, by reacting a halide of the elemental metal with aluminum. The halide of the elemental...
US-3,951,646 Process to make brittle boiler dust adhering to the water tube surface of a waste heat boiler of non-ferrous...
The invention of this application relates to a process for making brittle boiler dust adhering to the water tube surface of a waste heat boiler of a non-ferrous...
US-3,951,645 Steelmaking practice for production of a virtually inclusion-free semi-killed product
Total bath oxygen content and silicon input are controlled during a steelmaking process so that a cast and subsequently wrought product is characterized by being...
US-3,951,644 Method of producing iron and steel from iron ore
The present invention relates to an improved method of producing molten iron and steel from iron ore wherein the iron ore is charged to a shaft furnace along...
US-3,951,643 Steel production method
An electric arc furnace pivotable between a first position wherein a gas delivery tuyere system is above the level of a metal charge for preheating the same and...
US-3,951,642 Metallic coating powder containing Al and Hf
A metallic article is provided with improved resistance to high temperature environmental conditions through the inclusion of about 0.1-10 weight percent Hf in...
US-3,951,641 Use of N-(4-isopropoxy-3-chlorophenyl)-N'-methyl-N'-methoxyurea for control of weeds in maize cultures
New phenylureas of the formula ##SPC1## In which R.sub.1 represents a methyl or a methoxy group and R.sub.2 represents a n-propyl or i-propyl group, a process...
US-3,951,640 Heterocyclic thiadiazolylureas
This invention discloses new compounds of the formula ##EQU1## wherein R.sup.1 is selected from the group consisting of alkyl, alkenyl, haloalkyl,...
US-3,951,639 Process for introducing zinc micronutrients into liquid fertilizers
Zinc particulate compositions precoated with aliphatic amines, salts of such amines or mixtures thereof, when added to phosphate-containing liquid fertilizers,...
US-3,951,638 Prilling
Molten materials, notably molten fertilizers, are prilled into a tower up which flows a gas stream carrying or suspending dust particles some or all of which...
US-3,951,637 Forming station for a machine for forming hollow articles of vitreous material
A machine for forming hollow articles of vitreous material includes at least one forming station provided with at least one forming means and for each forming...
US-3,951,636 Molding apparatus
Apparatus and transport system for production of pressed articles from plastic material, e.g., molten glass. A series of molds is routed on non-linked carriages...
US-3,951,635 Method for rapidly melting and refining glass
In accordance with the method and apparatus of this invention, glass-forming materials are subjected to heat and agitation sufficient to form a molten glass...
US-3,951,634 Method of and apparatus for bending and tempering thin glass sheets
A method of and apparatus for bending and tempering a relatively thin glass sheet while supported horizontally and conveyed along a generally horizontal path...
US-3,951,633 Method for producing patterned glass on a float ribbon
A method for patterning or texturing the surface of glass manufactured by the float process. The method comprises depositing particulate carbon onto the surface...
US-3,951,632 Method for manufacture of foam glass
A foam glass is manufactured by mixing silicate glass, a volcanic glass material (volcanic ashes of a special chemical composition, occurring in the Kyushu...
US-3,951,631 Apparatus for coating continuously produced glass filaments
Apparatus for applying liquid coating or sizing material to fibers where the body of the applicator has a passageway with an elongated outlet and an exterior...
← 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 | Next →