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Class 428/403 - Coated


Subclass of Class 428 - Stock material or miscellaneous articles
Definition: Product comprising small pieces of matter, granules, grains
No. of patents: 3065
Last issue date: 05/29/2012


          69            
NumberTitleIssue Date
4500368Ag/Pd electroding powder and method for making
Pure silver and palladium powders are thoroughly mixed and dispersed by ball milling in a solution of a surfactant in a liquid vehicle. After drying and granulating, the resulting powder was heated to 500° C., first to form an Ag/Pd alloy powder and then...
02/19/1985
4500601Chelating polymers for modifying metal surface properties
A composite structure and method therefor comprises a metal surface which is coated with a polymer incorporating a bidentate chelating functionality. The polymer provides significant and varied chemical modification to the metal surface and is useful, for...
02/19/1985
4496627Electrical conductive foam beads and molded electrical conductive foamed articles obtained therefrom
This invention provides an electrical conductive foam bead comprising a foamed bead core of a thermoplastic synthetic resin at least partially covered on the surface thereof with an electrical conductive layer, and a molded electrical conductive foamed ar...
01/29/1985
4496415Method for impregnating resin powder directly into a laminate lay up
Dry resin powder can be used to impregnate a laminate lay up, by coating a dry resin powder directly onto a bare fibrous sheet, and then subjecting a plurality of sheets including at least one dry resin-coated sheet to an amount of heat and pressure effec...
01/29/1985
4496670Coated particulate fillers comprises a phosphinic acid group-containing unsaturated organic polymer
Filler particles are coated with an adduct of an unsaturated polymer, e.g. polybutadiene, and phosphinic acid groups. The coated filler may be prepared by reacting an unsaturated organic polymer with a phosphorus trihalide and applying the product in the ...
01/29/1985
4496475Conductive paste, electroconductive body and fabrication of same
A conductive paste and an electroconductive body fabricated from the paste, in which the paste comprises inorganic non-metallic particles coated with silver, silver particles and an organic binder, or inorganic non-metallic particles coated with silver, s...
01/29/1985
4495246Acicular ferromagnetic chromium dioxide particles
Acicular ferromagnetic chromium dioxide particles having a pH greater than 4 and a process for their preparation....
01/22/1985
4495245Inorganic fillers modified with vinyl alcohol polymer and cationic melamine-formaldehyde resin
Modified fillers prepared by contacting inert, particulate, mineral fillers with aqueous solution of vinyl alcohol polymer and aqueous colloidal dispersion of cationic melamine-formaldehyde resin to obtain a filler having adsorbed thereon from about 0.1 t...
01/22/1985
4493875Proppant for well fractures and method of making same
The novel proppant consists of composite particles, the core of which is a conventional proppant particle such as silica sand. The core has a thin, void-containing coating which provides an overall density approaching that of the fracturing fluid. The coa...
01/15/1985
4493874Production of a magnetic powder having a high dispersibility
A hexagonal ferrite magnetic powder for high density magnetic recording, having an improved dispersibility in a binder or paint is obtained by melting a mixture of hexagonal ferrite-forming components and a glass-forming component, and rapidly cooling the...
01/15/1985
4492725Composite thermal insulator
The disclosure is directed to a composite thermal insulator including a Freon gas expanded plastic, and an evacuated powder insulation. The present invention provides a composite thermal insulator light in weight and having a superior heat insulating perf...
01/08/1985
4492729Cohesive fibrous mat for in-transit particulate control
Particulate material is protected from dispersion during transportation by a cohesive fibrous mat comprised of the particulate material bound by cellulosic fibrous material and gelantinized starch....
01/08/1985
4491619Thermostable iron oxide pigments
Iron oxide particles containing at least 5% by weight of iron (II) content calculated as FeO are stabilized against atmospheric oxidation by a coating of at least one compound containing boron and those particles are useful as coloring pigments and magnet...
01/01/1985
4490436Polymer filler particles with filler free coating
A polymer particle produced by forming a layer of filler-free polymer (II) on the surface layer of a filler-containing polymer particle (I) by polymerization of a monomer composed mainly of an ethylenically unsaturated compound in the presence of the poly...
12/25/1984
4487803Boric acid having improved handling properties
The lubricity of particulate boric acid is reduced by treating the surface of the particles with gaseous ammonia. Fine particles of boric acid treated with a small amount of gaseous ammonia are readily fed to a continuous compactor system....
12/11/1984
4483974Process for the production of stabilized polyisocyanates, the polyisocyanates so-stabilized and their use in the production of polyurethanes
A process for the production of solid polyisocyanates stabilized by a polymer coating and showing retarded reactivity comprising reacting (1) one or more solid polyisocyanates in particulate form, said polyisocyanates having melting points above 30° C., and (...
11/20/1984
4482607Method for coating magnesium granules with fluoride-containing flux
A method is provided for coating magnesium granules with a fluoride-containing salt comprising contacting the granules with at least one fluoride-containing salt selected from the group consisting of alkali and alkaline earth metal fluorides and fluoborat...
11/13/1984
4481303Electrode material
A particle suitable for use as an electrode material comprising a substrate at least partially coated with an admixture of a hydrophobic material and an electrochemically active, electrically conductive catalyst. The invention includes a method for producing t...
11/06/1984
4478914Process for applying multiple layers of a protein and a ligand extender to a surface and to the multiple-layer system
A multiple-layer process for applying, in alternate, successive molecular layers, a protein material, and a ligand extender material to a surface to modify the properties of the surface and to the multiple-layer product so prepared....
10/23/1984
4478966Cellulosic board
A board of cellulose containing components using formaldehyde-based curable glues. By treatment of at least one part of the components at a low moisture content with a formaldehyde absorbing agent the board obtained after pressing get a low content of fre...
10/23/1984
4477492Process for preparing superficially porous supports for chromatography and catalysts
There is disclosed a process for preparing superficially porous macroparticles comprising spray drying a specified well-mixed slurry of core macroparticles, colloidal inorganic microparticles and a liquid and sintering the resulting product to cause a 5%-...
10/16/1984
4475946Ferromagnetic metal particles of iron alloyed with Ti, V, Cr, Mn, Co, Ni, Cu, Zn, Si, P, Mo, Sn, Sb and Ag coated with mono- or dialkoxysilanes
Ferromagnetic metal particles are disclosed, which have a silane compound on the surface thereof. The silane compound is represented by the formula: wherein R and R' each represent an alkyl group and n represents 2 or 3. The ferromagnetic metal particles have ...
10/09/1984
4474853Sorbent comprising spherical particles of activated carbon depositing non-crystalline compound of zirconium and process for preparing thereof
Disclosed herein are a sorbent comprising spherical particles of activated carbon formed from a pitch and/or a synthetic, organic high polymer, to which a non-crystalline compound of zirconium has been deposited in an amount of 1 to 10% by weight (calcula...
10/02/1984
4474852Hydrophobic colloidal oxide treated core material, method of production and composition comprised thereof
An improved hydrophobic composite is prepared by depositing on a particulate or granular core material an adherent first coat comprising a film-forming polyurethane and, optionally, asphalt, and applying to the thus-coated core material a hydrophobic coll...
10/02/1984
4473619Magnetic audio recording tape and method of preparation thereof
An audio magnetic recording medium includes a magnetic material carrier backing and a layer of a magnetic material thereover comprising magnetic particles dispersed in a binder, the magnetic particles having a thin coating thereon of a rare earth-containi...
09/25/1984
4470839Solid particles containing metal peroxides, their preparation and their use for the amendment of soils
Solid particles of metal peroxide are coated by means of a coating agent containing a water-soluble condensed phospahte....
09/11/1984
4471015Composite material for shielding against electromagnetic radiation
A composite material comprising a polymer matrix containing metallized sheet-form textiles and/or metallized particles, and in addition additives for increasing the ohmic, electrical and/or magnetic losses which are uniformly present in the polymer and/or...
09/11/1984
4469749Metalized recording papers, and a process for their manufacture
Metalized recording papers contain, located on a paper web, a firmly adhering varnish coating in which mineral fillers and/or pigments combined with wax particles are embedded and the external surface of the varnish coating is covered with a metal layer, ...
09/04/1984
4465735Magnetic recording medium
An improved magnetic recording medium suitable for high density recording is disclosed, which has a squareness ratio in the vertical direction of 0.6 or more and an orientation ratio (squareness ratio in the vertical direction/squareness ratio in the leng...
08/14/1984
4463031Process for preparing a bacteriological inhibitor for water
A process for preparing a silver-plated coral sand useful as a bacteriological inhibitor for drinking water is provided. The process comprises (1) heating desalted coral sand in an inert gas under reduced pressure; (2) thoroughly washing the resulting act...
07/31/1984
4461865ABS Resin composition
An ABS resin composition comprises 100 parts by weight of an ABS resin having a melt index of at least 4.0 g/10 min. and a rubber content of from 10 to 28% by weight and from 0.5 to 30 parts by weight of powder of at least one metal selected from aluminum...
07/24/1984
4460645Insulation
This invention relates to insulation materials and, in particular, to thermal insulation materials having heat reflective properties. In particular insulation material according to the invention comprises a random array of elements as herein defined having at ...
07/17/1984
4457982Acicular ferrimagnetic iron oxide and its preparation
A modified acicular ferrimagnetic iron oxide which consists of a core of gamma-iron(III) oxide and a surrounding shell of gamma-iron(III) oxide modified by tin dioxide and carbon, and a process for its preparation....
07/03/1984
4457775Salt-coated magnesium granules
A process is provided for producing salt-coated spheroidal granules of magnesium by employing a molten flux bath comprised of a salt composition of NaCl, KCl and CaCl2 maintained at a temperature in excess of the melting point of magnesium to w...
07/03/1984
4456643Decorative laminate
A decorative laminate having a differential texture and a differential gloss, and a method of manufacture therefor, are provided wherein the laminate has an embossed surface comprising raised segments which contain PVC resin particles adjoining recessed s...
06/26/1984
4455170Method of upgrading rock and treated rock obtained therefrom
A method is provided for upgrading rock in the form of aggregate, block, shaped stone or concrete structures involving the treatment of such rock with a dilute aqueous solution of polyelectrolyte and polyalkyleneglycol. Treated aggregate, portland cement ...
06/19/1984
4454194Lyophilization process for preparing composite particles for use in electroconductive transfer films and products produced therewith
A method for the preparation of conductive graphite particles useful as an electrically anisotropic support layer for an electroconductive transfer film comprising initially grinding a slurry of graphite particles in the presence of water or a solvent hav...
06/12/1984
4452830Electroconductive powder and process for production thereof
By pouring a solution containing hydrolyzable tin and antimony salts into an aqueous dispersion of titanium oxide particles and mixing, the salts are caused to hydrolyze, whereby a uniform and strongly adherent coating layer of antimony-containing tin oxi...
06/05/1984
4452843Security paper
Security papers with luminescing authenticity characteristics built in or printed thereon which absorb in the visible region of the optical spectrum but in the infrared have a transparent region in which the luminophore also emits. By the absorption in th...
06/05/1984
4452698Rigid filter plate and process for manufacture of the same
An improved rigid filter plate for sludge dewatering is comprised of a filter element of two or more sizes within the range of 0.2 to 0.002 inch of irregular hard particles of aluminum oxide or similar materials, and of a supporting element of larger part...
06/05/1984
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