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| Number | Title | Issue Date |
| 7598060 | Rapid analysis of variations in a genome The invention provides a method useful for determining the sequence of large numbers of loci of interest on a single or multiple chromosomes. The method utilizes an oligonucleotide primer that contains a recognition site for a restriction enzyme such that digestion ... | 10/06/2009 |
| 6808672 | Process and apparatus for coagulating and drying latex A process for the continuous coagulation and drying of rubber latex includes feeding the latex onto an endless conveyor belt which feeds the latex through a coagulator. A combination of microwave energy and hot air raises the temperature of the latex causing it to c... | 10/26/2004 |
| 6794437 | Clay/organic chemical compositions useful as additives to polymer, plastic and resin matrices to produce nanocomposites and nonocomposites containing such compositions This invention is of a hybrid organoclay that consists of an organic chemical/phyllosilicate clay intercalate that has been ion-exchanged with quaternary ammonium compounds. Since this hybrid organoclay is hydrophobic, it can be washed in water to remove reaction sa... | 09/21/2004 |
| 6758893 | Granular pigments useful to color concrete A method for the preparation of pigment granules includes mixing at least one pigment selected from the group consisting of iron oxide and chromium oxides with 1-25 wt. % water to form a damp powder. The damp powder is then pressure extruded through at least one die... | 07/06/2004 |
| 6610770 | Organoclay/polymer compositions with flame retardant properties The present invention is directed to polymer compositions with flame retardant properties that are made from a polymer blended using a defined process with a smectite clay that has been reacted with a specified mixture of organic materials. The inventive ... | 08/26/2003 |
| 6562120 | Granular pigments The present invention provides a method for the preparation of pigment granules that are readily dispersible, robust, and have a reduced liability to dusting, preferably without the use of substantial quantities of binder, if any at all. The method compri... | 05/13/2003 |
| 6521690 | Smectite clay/organic chemical/polymer compositions useful as nanocomposites This invention is of a composition comprised of a smectite clay modified with an organic chemical composition and a polymer. The composition consists of an organic chemical/smectite clay intercalate that has been ion-exchanged and reacted and intercalated... | 02/18/2003 |
| 6462096 | Organophilic clay additives and oil well drilling fluids with less temperature dependent rheological properties containing said additives Conventional organophilic clays, when used as rheological additives in oil based invert muds, display marked viscosity loses in the mud when these muds are heated much above 350° F., whereas muds prepared according to the present invention are dramatical... | 10/08/2002 |
| 6448366 | Rheological additives and paint and coating compositions containing such additives exhibiting improved intercoat adhesion An improved thickening composition for organic systems, including paints and coatings, is described. The additive provides paints and coatings more than adequate viscosity improvement without affecting intercoat adhesion characteristics.... | 09/10/2002 |
| 6409811 | Anti-abrasion ink additives containing reduced amounts of polytetrafluoroethylene and inks containing such additives An anti-abrasion additive for ink formulations includes sintered polytetrafluoroethylene in a reduced amount; a petrolatum; and a high melting point microcrystalline wax. The additive, when dispersed in an ink, provides the ink with good slip, abrasion re... | 06/25/2002 |
| 6380295 | Clay/organic chemical compositions useful as additives to polymer, plastic and resin matrices to produce nanocomposites and nanocomposites containing such compositions This invention is of a hybrid organoclay that consists of an organic chemical/phyllosilicate clay intercalate that has been ion-exchanged with quaternary ammonium compounds. Since this hybrid organoclay is hydrophobic, it can be washed in water to remove ... | 04/30/2002 |
| 6339048 | Oil and oil invert emulsion drilling fluids with improved anti-settling properties This invention is of a drilling fluid composition containing a liquid thixotrope, which thixotrope is free of solvents or any other diluent, and is in easily usable, liquid form, pourable at ambient temperatures, and which provides effective and efficient... | 01/15/2002 |
| 6337362 | Ultraviolet resistant pre-mix compositions and articles using such compositions The compositions described include micronized zinc oxide UV blocking agents with at least one organic UV protective compound. Premix compositions are provided for imparting improved UV resistance to paints, coatings, finishes and plastic articles comprisi... | 01/08/2002 |
| 6299765 | Surface feed filter pump box for aquariums An improved surface feed filter pump box for aquarium is provided which feeds water from the surface for filtration. The box performs this filtration inside the aquarium. Since the device does not hang on the outside of the tank there is no leaking or ove... | 10/09/2001 |
| 6245827 | Ultraviolet curable resin compositions having enhanced shadow cure properties This invention is of a resin composition including an additive of one or more organic peroxide thermal imitators to cationic photoinitiators, that are sensitized with alpha-hydroxy-ketones, which composition provides a self-propagating thermal curing reac... | 06/12/2001 |
| 6210709 | Flexible gelatin free encapsulation material useful for pharmaceuticals, paint balls and other formulations A flexible capsule formed from a modified starch free of animal based gelatin. The invention provides a novel capsule defining a closed interior chamber, the capsule being formulated from a composition which is free of animal based gelatin comprising at l... | 04/03/2001 |
| 6187719 | Less temperature dependent drilling fluids for use in deep water and directional drilling and processes for providing less temperature dependent rheological properties to such drilling fluids This invention is a process for improving the rheological properties of oil well drilling fluids particularly useful for oil-based invert emulsion types of drilling fluids. The process is particularly useful when drilling in deep water from an off-shore d... | 02/13/2001 |
| 6159906 | Oil well drilling fluids with improved anti-settling properties and methods of providing anti-settling properties to oil well drilling fluids An improved drilling fluid with enhanced anti-settling properties useful for oil well drilling systems is described. The invention includes a process for providing anti-settling properties to oil invert (i.e., water in oil emulsion) based fluids. The dril... | 12/12/2000 |
| 6130256 | Organoclay thickener compatible with system to be thickened An organophilic clay thickener for natural oil systems comprising the reaction product of a smectite-type clay and an organic cation in an amount of from about 75% to about 150% of the cation exchange capacity of the smectite-type clay. Said organophilic ... | 10/10/2000 |
| 6111030 | Epoxy, polysulfide and cyanoacrylate composites utilizing activatable amino-polyamide curatives The present invention relates to cured compositions useful as adhesives and sealants formed by dispersing an amine-terminated polyamide curative into a base to form a composite and activating the composite forming the cured composition. Bases described in... | 08/29/2000 |
| 6103687 | Non-volatile quaternary ammonium compositions and their uses Quaternary ammonium compositions are described which are made in diluents based on vegetable oil such as soya bean oil. Such diluents remain as diluents in the final product and generally have a vapor pressure of 1 mm of Hg or less at 25° C., and are liq... | 08/15/2000 |
| 6069217 | Urethane-acrylic copolymer thickening compositions for aqueous systems Thickening composition are produced by linking a polyurethane comprising polyisocyanates, polyether polyols, modifying agents and capping agents with an alkali swellable copolymer comprising ethylenically unsaturated carboxylic acid monomers and nonionic ... | 05/30/2000 |
| 6043300 | Liquid rheological additives for non-aqueous systems and non-aqueous systems containing such liquid rheological additives A liquid, pourable 100% active rheological additive especially useful for thickening non-aqueous compositions is described. The additive, which exists in a pourable form at up to a 100% as a rheologically active composition, exhibits excellent thickening ... | 03/28/2000 |
| 6020407 | Super dispersable thickening composition for aqueous systems and a method of thickening said aqueous systems An improved thickening composition for aqueous systems including latex paints and coatings is described. The substantially anhydrous composition comprises in specified ratios a solid thickener polymer, and one or more surfactants. The solid thickener poly... | 02/01/2000 |
| 5973063 | Polyurethane thickeners useful for clear and high gloss aqueous based systems a process for providing rheological properties to clear aqeous-based systems using such thickeners and clear aqueous-based systems containing such thickeners The present invention relates to improved thickening compositions, often referred to as Theological additives, used to provide viscosity control, flow, leveling and other rheological properties to clear aqueous systems such as automotive clear-coat paints... | 10/26/1999 |
| 5942201 | Process utilizing titanium dioxide as a catalyst for the hydrolysis of carbonyl sulfide The hydrolysis of carbonyl sulfide is substantially improved by utilizing titanium dioxide particles as a catalyst. It is especially favorable, if the titanium dioxide particle are sintered and treated with sodium hydroxide or sodium aluminate. Through su... | 08/24/1999 |
| 5939475 | Organic fluid systems containing clay/polyamide compositions A novel pourable organophilic clay polyamide composition useful as a rheological additive for organic fluid system comprising a) from about 5 to 15 weight percent of an organophilicly modified smectite-type clay, b) from about 25 to about 35 weight percent of ... | 08/17/1999 |
| 5927461 | Apparatus for automatically sealing an articulated chute A mechanical device for automatically positioning a closure plate for sealing the opening created by the folding of adjacent segments of an articulated chute to thereby prevent undesired discharge or leakage from the chute is provided. The device, which i... | 07/27/1999 |
| 5863975 | Aqueous construction compositions with improved water retention properties and a process for providing water retention properties to aqueous construction compositions Water retention additives for aqueous construction systems including joint compounds are described which are the reaction product of monomers comprising carboxylic acid monomers, nonionic vinyl monomers and specific surfactant monomers. Processes for maki... | 01/26/1999 |
| 5861099 | Process for the filtration of suspensions containing sulfur To improve the separation of dispersedly precipitated sulfur from a washing solution used in the oxidative washing of hydrogen sulfide containing waste gases, the suspension is heated before filtration to about 45° C. to 70° C. Such heating causes the s... | 01/19/1999 |
| 5849356 | Method for deicing highways using starch-containing compositions and starch-containing compositions especially designed for deicing highways The invention hereof is a new highway deicing additive and a method for deicing asphalt highways. It has been discovered that a small amount of starch added to the salt/water sprayed on highways provides the unexpected property of retaining salt particles... | 12/15/1998 |
| 5759938 | Process for producing organoclays with quaternary ammonium compositions made using non volatile diluents Quaternary ammonium compositions are described which are made using diluents including soya bean oil, caster oil, mineral oils, isoparaffin/naphthenic and coconut oil. Such diluents remain as diluents in the final product and generally have a vapor pressu... | 06/02/1998 |
| 5749949 | Anti-abrasion ink additives and printing inks containing such additives An improved anti-abrasion/slip ink additive is disclosed comprising a mixture of sintered polytetrafluoroethylene and pharmaceutical grade petrolatum. As an alternative, additional material, such as phenolic resins and oils can be added to the mixture. Th... | 05/12/1998 |
| 5735943 | Rheological additives for asphalt and other organic systems comprising one or more organoclays and fibrous material, a process for producing such additives and organic systems containing such additives The present invention involves the discovery that an organoclay made by the reaction of smectite day and a quaternary ammonium compound (quat) can be mixed with fibrous material such as wastepaper pulp to form a unique theological additive for organic flu... | 04/07/1998 |
| 5725805 | Composition of matter useful as an oil spill flocculating agent An organoclay made by the reaction of smectite clay and a quaternary ammonium compound derived from an oil having 50% or more of its carbon chain lengths consisting of C14 or lower is described as an effective oil spill remediation agent. Oils ... | 03/10/1998 |
| 5723653 | Liquid rheological additives providing rheological properties to non-aqueous systems A liquid, pourable 100% active rheological additive especially useful for thickening organic compositions which in one aspect comprises an active hydrogen containing compound such as a polyol, one or more polycarboxylic acids or isocynanates, and a functi... | 03/03/1998 |
| 5718841 | Organoclay compositions manufactured with organic acid derived ester quaternary ammonium compounds A novel organophilic clay comprising the reaction product of: (a) a smectite-type clay; and (b) a quaternary ammonium compound or compounds selected from the group consisting of: ##STR1## wherein R1 is an unsaturated alkyl-ester group having 8 ... | 02/17/1998 |
| 5710110 | Oil well drilling fluids, oil well drilling fluid anti-settling and method of providing anti-setting properties to oil well drilling fluids An improved drilling fluid with enhanced anti-settling properties useful for all types of drilling systems is described. The invention includes a process for providing anti-settling properties to both oil and invert oil (i.e., water in oil emulsion) based... | 01/20/1998 |
| 5710108 | Biopolymer/oil suspension compositions utilized in aqueous-based fluids used in the oil service industry including completion and drilling fluids The invention involves biopolymer/oil suspension compositions for the oil service industry, most particularly drilling and completion fluids, which provide such fluids a variety of desirable properties. Biopolymers include water soluble polymers and water... | 01/20/1998 |
| 5683669 | Metal chloride generator and improved process for the production of metal chlorides used in the manufacture of titanium dioxide by the chloride process In the preparation of metal chlorides from their elements to be used as additives in processes of making titanium dioxide by the chloride process, a titanium tetrachloride stream is directed to sweep over the lined inner wall of a metal chloride generator... | 11/04/1997 |
