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| Number | Title | Issue Date |
| 5030352 | Coated media for chromatography Disclosed are pellicular materials useful in contact with proteins and as chromatography media. Rigid, inert, hydrophobic, polymeric materials are exposed to a solution comprising a solute defining plural interspersed hydrophobic and hydrophilic domains. ... | 07/09/1991 |
| 5013585 | Method for the preparation of surface-modified silica particles A method for the preparation of a stable silica organosol in a hydrophobic organic solvent is proposed. The method comprises (a) hydrolyzing a tetraalkoxy silane, e.g. tetraethoxy silane, in an alcoholic medium in the presence of a limited amount of water... | 05/07/1991 |
| 5004490 | Method of making glass substrate coated with tin oxide There is disclosed herein, as a new article of manufacutre, a glass substrate coated with tin oxide and a method of making the same. According to the method, in order to produce the new article of manufacture, a glass substrate with a selected surface is ... | 04/02/1991 |
| 4997681 | Mineral fiber nodules and method of making same A nodulizing machine for use in an apparatus for making loose fill insulation from mineral fibers comprises an input portal, a conduit containing a plurality of blades and an output portal. Apparatus for making loose fill insulation from mineral fibers co... | 03/05/1991 |
| 4997862 | Colloidal composition and method of preparing same Preparing a composition by mixing colloidal particles selected from the group consisting of silica, tin oxide and antimony pentoxide with a polyester resin in an aqueous medium with proper neutralization to substantially encapsulate the particles in the r... | 03/05/1991 |
| 4994429 | Active material useful as adsorbent comprising metal oxide/hydroxide particles reacted with phosphorus-containing organic acid group of organic compound having unreacted acid group An active material is disclosed which comprises a metal oxide/hydroxide surface having chemically bonded to reactive sites thereon a substantially monomolecular layer of organic acid molecules. Each organic acid molecule is chemically bonded to a reactive... | 02/19/1991 |
| 4983420 | Method of applying a thermally black layer to a heating member for an indirectly heated cathode A filament for an indirectly heated cathode is coated with a tungsten-aluminium oxide suspension, the tungsten particles being stabilized by a chemisorbed monomolecular layer of an aliphatic monocarboxylic acid such as stearic acid.... | 01/08/1991 |
| 4983564 | Method of making crosslinked layered compounds The instant invention relates to a method for converting phosphorus containing polymers from a two dimensional layered structure into a three dimensional structure by crosslinking such layers. The method and the resulting crosslinked polymers may be used ... | 01/08/1991 |
| 4983566 | Surface-modified adsorbent comprising metal oxide/hydroxide particles reacted with one or more perfluorinated organic acids An active material and method of making same are disclosed comprising a metal oxide/hydroxide surface having chemically bonded to reactive sites thereon, a layer of a perfluorinated organic material formed by reacting with the metal oxide/hydroxide a perf... | 01/08/1991 |
| 4971762 | Detector device for determining the components of a fluid sample and a method of producing the same The invention relates to a detector device for determining components of a sample such as a gaseous sample. The determination is made with reagents which are present in two component quantities separate from each other in the storage condition of the dete... | 11/20/1990 |
| 4940611 | Hardened, environmentally disposable composite granules of coal cleaning refuse, coal combustion waste, and other wastes, and method preparing the same A hardened, environmentally inert and disposable composite granule of coal cleaning refuse and coal combustion waste, and method for producing the same, wherein the coal combustion waste is first granulated. The coal cleaning refuse is pulverized into fin... | 07/10/1990 |
| 4929589 | Metal oxide/hydroxide particles coated with phosphate esters An active material is disclosed comprising metal oxide/hydroxide particles having chemically bonded to reactive sites on a surface thereof, a monolayer of a phosphorous-containing organic material comprised of a phosphorous-containing group and a carbon-c... | 05/29/1990 |
| 4919841 | Wax encapsulated actives and emulsion process for their production A process is provided for preparing encapsulated active particles by the steps of: dispersing active materials in molten wax; emulsifying the active/wax dispersion in aqueous surfactant solution for no longer than 4 minutes; quenching the capsules by cool... | 04/24/1990 |
| 4917919 | Process for preventing caking of ammonium bifluoride and/or fluoride particles A process for preventing the caking of particles of ammonium bifluoride and/or ammonium fluoride salt mixtures or salts subjected to the action of temperature, pressure and/or moisture, the process comprising spraying on said particles a solution comprisi... | 04/17/1990 |
| 4913831 | Deicing compositions comprising calcium magnesium acetate double salt and processes for their production Compositions which comprise a calcium magnesium acetate double salt are useful in deicing compositions. Deicing compositions comprising those compositions and processes for their preparation are described.... | 04/03/1990 |
| 4908039 | Built particulate detergent containing a narrow range alcohol ethoxylate and a PET-POET copolymer soil release agent Narrow range ethoxylate nonionic detergents, in combination with soil release promoting polyethylene terephthalate-polyoxyethylene terephthalate (PET-POET) copolymer (in place of broad range ethoxylate nonionic detergent and PET-POET copolymer) are of sig... | 03/13/1990 |
| 4908068 | Removal of fibrous material There is disclosed a method of removing asbestos or other fibrous material from structures, such as the lagging on pipes, by injecting into the material a treatment liquid which includes a gelling agent and which sets to form a gel of which the fibrous ma... | 03/13/1990 |
| 4902929 | Electroluminescent device containing electroluminescent particles each covered with moisture proof film An electroluminescent device comprises a luminous layer containing electroluminescent particles each covered with a moisture-proof film, which is formed by polymer, having network structure obtained by hydrolyzing metal alkoxide and causing polycondensati... | 02/20/1990 |
| 4902570 | Process for preparing highly dispersed metal oxides whose surfaces are modified by an ammonium-functional organopolysiloxane as a positive chargeable controlling agent for toners The invention relates to a process for preparing highly dispersed metal oxides whose surfaces are modified by an ammonium-functional organopolysiloxane as a charge controlling substance for positive chargeable toners, in which the highly dispersed metal o... | 02/20/1990 |
| 4895889 | Preceramic compositions Low density silicon nitride ceramics having improved bending and specific strengths over known silicon nitride ceramics derived from silicon nitride powder and polysilazane precursors are prepared by (A) intimately mixing about 50-85% by weight of silicon... | 01/23/1990 |
| 4882225 | Modified powder or particulate material A modified powder or particulate material having a silicone polymer film coated on substantially the entire surface thereof, this powder or particulate material being produced by bringing at least one silicone compound, in the form of a vapor, having the ... | 11/21/1989 |
| 4867902 | Microencapsulated oxygen generators An oxygen generating microencapsulated composition includes an oxygen generating core material and a coating which is water swellable. When exposed to water, the coating ruptures in an exfoliating manner, exposing the core material to water and thereby ge... | 09/19/1989 |
| 4867895 | Timed-release bleach coated with an amine with reduced dye damage Delayed-release hypohalite bleach compositions are provided which include encapsulates having a granular, hypohalite-releasing core and a coating delaying release of hypohalite ion and scavenging hypohalite ion when the encapsulates are exposed to an aque... | 09/19/1989 |
| 4857223 | Non-caking bleaching detergent composition containing a lower hydrate of sodium perborate A non-caking, non-tacky and free-flowing particulate bleaching detergent composition includes a synthetic organic nonionic detergent, such as a polyethoxylated higher fatty alcohol or alkylphenol, a builder for the nonionic detergent, such as sodium tripo... | 08/15/1989 |
| 4855071 | Deicing compositions comprising alkaline earth or alkali metal carboxylates and processes for their production Deicing compositions comprising an alkaline earth or alkali metal carboxylate having from 1 to 4 carbon atoms or mixtures thereof are provided which exhibit excellent handling characteristics. Also provided are processes for the preparation of such deicin... | 08/08/1989 |
| 4853144 | Moisturized compositions of hydrate-forming phosphates and methods for preparation thereof A composition of matter in particulate, crystalline form. The composition comprises a hydrate-forming phosphate selected from the group consisting of sodium tripolyphosphate, sodium pyrophosphate and trisodium phosphate, between about 0.1% by weight and a... | 08/01/1989 |
| 4851155 | Solidification processing apparatus for radioactive waste materials A solidification processing apparatus for radioactive waste materials comprises a tank for a solidifying agent for solidifying the radioactive waste materials, a waste material vessel connected to the tank for the radioactive waste materials, a pouring co... | 07/25/1989 |
| 4844980 | Silica or silicic acid particles whose surface located hydroxyl groups are at least partially replaced by organic groups Silicic acid or silica particles having initially surface-located hydroxyl groups are modified by replacing at least partially the hydroxyl groups by an organic group to impart the particles with emulsion-breaking and foam-destroying properties. Processes... | 07/04/1989 |
| 4839407 | Particulate polyacetal carboxylate and methods for preparation thereof A method for preparation of solid particulate polyacetal carboxylate. The method comprises agglomerating a solution comprising less than about 1% by weight methanol and between about 30% by weight and about 60% by weight polyacetal carboxylate onto a subs... | 06/13/1989 |
| 4835023 | Ornamental articles having coating membrane An ornamental article comprising a natural ornamental material such as pearl and a cured coating membrane of a composition based on organic materials which is coated on the surface of said natural ornamental material in a thickness from 0.01 μm to 30 μm... | 05/30/1989 |
| 4820448 | Surfactant mixtures and their use A low-water content surfactant mixture which is pourable and pumpable at ambient temperature having high wetting power and detergency when used in a fabric detergent composition has a water content of no more than about 20% by weight, and consists essenti... | 04/11/1989 |
| 4818424 | Spray drying of a detergent containing a porus crystal-growth-modified carbonate Granular spray-dried detergent compositions including a liquid component unsuitable for spray-drying are prepared by co-spray-drying a slurry of a porous crystal-growth-modified carbonate-based carrier salt and a detergent slurry containing detergent-acti... | 04/04/1989 |
| 4816259 | Process for coating gelatin capsules This invention provides a new gelatin capsule formulation and subcoating for producing soft gelatine capsules having better mechanical strength and an improved capacity for adhering to known coating compositions, particularly enteric coating compositions.... | 03/28/1989 |
| 4806266 | Detergent foam control agents containing a silicone antifoam and a fatty alcohol Foam control agents for inclusion in detergent compositions in powder form, are particulate and comprise a silicone antifoam compound and an organic material which is a fatty acid or a fatty alcohol, having 12 to 20 carbon atoms, or a mixture thereof and ... | 02/21/1989 |
| 4786369 | Integral dry abrasive soap powders Integral powdered abrasive soaps are formulated by in-situ reacting on an abrasive, an acid or base component with an antipodal base or acid component. Since the acid or base component resides on the abrasive particles, the formed soap also resides on the... | 11/22/1988 |
| 4786432 | Integral dry abrasive soap powders Integral powdered abrasive soaps are formulated by in-situ reacting on an abrasive, an acid or base component with an antipodal base or acid component. Since the acid or base component resides on the abrasive particles, the formed soap also resides on the... | 11/22/1988 |
| 4781980 | Copper powder for use in conductive paste The present invention provides a copper powder for use in a conductive paste which allows the paste to possess excellent initial electrical conductivity, thermal resistance, and humidity resistance, and which enables the paste to maintain stable electrica... | 11/01/1988 |
| 4776978 | Method of controlling the sintering of metal particles Sintering of metal particles at their normal sintering temperature is inhibited by coating the metal particles with an organic material such as polyvinyl butyral, polyvinyl formvar, polyvinyl alcohol, polyacrylonitrile epoxies, urethanes and cross-linked ... | 10/11/1988 |
| 4767557 | Dry bleach and stable enzyme granular composition This invention relates to an enzyme and peroxyacid bleach granular composition comprising (1) a homogeneously mixed granulate of enzymes and alkaline buffer salt to protect the enzymes from deactivation when mixed with (2) a strong peroxyacid bleach granu... | 08/30/1988 |
| 4767570 | Sodium tripolyphosphate carrier particles containing a sodium hydrogen ortho on pyro-phosphate Novel carriers for liquid component antifoaming agents, e.g., polysiloxane based, and well adapted for detergency applications, are comprised of a preferably hydrated sodium tripolyphosphate fraction, and a fraction comprised of sodium hydrogen pyrophosph... | 08/30/1988 |
