Fan-less long range alpha detector
To achieve the foregoing and other objects, and in accordance with the purposes of the present invention, as embodied and broadly described herein, the apparatus of this invention comprises a fan-less... Read More
Inventors: MacArthur, Duncan W.; Bounds, John A.;, Assignee: The Regents of the University of California (Oakland, CA) |
Background canceling surface alpha detector
In accordance with the present invention, there is provided an alpha radiation detector for measuring alpha radiation emitted from a surface comprising an electrically conductive enclosure defining a ... Read More
Inventors: MacArthur, Duncan W.; Allander, Krag S.; Bounds, John A.;, Assignee: The Regents of the University of California (Oakland, CA) |
Beta particle monitor for surfaces
In accordance with the present invention, there is provided a beta radiation detector comprising an electrically conductive enclosure defining a cavity sufficiently large to allow for interaction to o... Read More
Inventors: MacArthur, Duncan W.;, Assignee: The Regents of the University of California (Oakland, CA) |
Dry etching polysilicon using a bromine-containing gas
The present invention has been achieved in view of the situation described above and is intended to provide a dry etching method which permits a satisfactory anisotropic etching while ensuring a high ... Read More
Inventors: Higuchi, Fumihiko; Fukasawa, Yoshio;, Assignee: Tokyo Electron Limited (Tokyo, JP) |
Etching method for a silicon-containing layer using hydrogen bromide
The present invention has been made in consideration of the above circumstances, and has as its object to provide an etching method capable of preferably performing anisotropic etching without using l... Read More
Inventors: Ishikawa, Yoshio; Kojima, Hiroshi; Hiratuka, Masahito;, Assignee: Tokyo Electron Limited (Tokyo, JP); Tokyo Electron Yamanashi Limited (Nirasaki, JP) |
Semiconductor wafer for improved chemical-mechanical polishing over large area features
OF THE INVENTION The present invention is a semiconductor wafer that reduces dishing over a large area feature caused by polishing an upper layer of material from the wafer. An important aspect of th... Read More
Inventors: Sandhu, Gurtej Singh; Yu, Chris Chang;, Assignee: Micron Technology, Inc. (Boise, ID) |
process for the treatment of water by injection of ozone and carbon dioxide
The object of the present invention is to improve the existing processes so as to permit effective and optimum treatment of water. Moreover particularly, the object of the invention is a process based... Read More
Inventors: Kerchouche, Kera; Boisdon, Vincent;, Assignee: Air Liquide Sante ( International) (Paris, FR) |
Portable hardbander
OF THE PREFERRED EMBODIMENTS Reference is now made to the drawings wherein like parts are designated with like numerals throughout. 1. THE APPARATUS FIG. 1 schematically illustrates the portable hard... Read More
Inventors: Wallen, H. Bruce;, Assignee: Rocky Mountain Hardbanders, Inc. (Vernal, UT) |
Method and apparatus for separation of gaseous particles of different masses by centrifugal forces
It is an object of the present invention to overcome these prior art disadvantages and to provide a method and an apparatus whereby an essentially larger separation effect is reached than is possible ... Read More
Inventors: Hora, Heinrich Wolfgang; Karger, Friedbert Hans;, Assignee: Gesellschaft fur Kernverfahrenstechnik m.b.H. (Julich, DT) |
Method of and apparatus for the cleaning of the exhaust air of a paint-spray or lacquer-spray booth
I claim: 1. A method of cleaning an exhaust air from a paint-spray or lacquer-spray booth which comprises the steps of: (a) passing exhaust air from said booth directly into a treatment space without ... Read More
Inventors: Gocht, Paul-Gerhard;, Assignee: Metallgesellschaft Aktiengesellschaft (Frankfurt am Main, DE) |
Method and apparatus for ionizing all the elements in a complex substance such as radioactive waste and separating some of the elements from the other elements
What is claimed is: 1. A method of separating from each other a portion of species from the other species in a feedstock material comprising: a. generating a product plasma that is composed principall... Read More
Inventors: Eastlund, Bernard John;, Assignee: |
Imprint-coating synthesis of selective functionalized ordered mesoporous sorbents for separation and sensors
The present invention relates generally to mesoporous sorbent materials having high capacity, high selectivity, fast kinetics, and molecular recognition capability. The sorbent materials of the presen... Read More
Inventors: Dai, Sheng; Burleigh, Mark C.; Shin, Yongsoon;, Assignee: University of Tennessee Research Corporation (Knoxville, TN); U. T. Battelle, LLC (Oak Ridge, TN) |
Chemical reactions in water-in-carbon dioxide microemulsions and control thereof
OF THE INVENTION The properties of CO.sub.2 are much different from those of water or nonpolar organic solvents. Unlike water, CO.sub.2 has no dipole moment. Even when highly compressed, CO.sub.2 has... Read More
Inventors: Randolph, Theodore W.;, Assignee: University Technology Corp. (Boulder, CO) |
Opthalmic wafer
It has now been discovered that one or more viscoelastic materials such as chondroitin sulfate or sodium hyaluronate may be formed in a wafer, designed to hold an intraocular lens and offering superio... Read More
Inventors: Callahan, Wayne B.; Koch, Harold O.; Palin, Philip R.; Cook, James R.;, Assignee: Cilco, Inc. (Huntington, WV) |
Novel copolymer having utility as contact lens
We claim: 1. A lightly cross-linked hydrogel terpolymer formed from: 1. from 10 to 75%, by weight, of 3-methoxy-2-hydroxy propyl methacrylate; 2. N-vinyl-2-pyrrolidone; 3. a further copolymerizable mo... Read More
Inventors: Howes, John Gordon Bernard; Selway, Rupert Aleck; DA Costa, Nicholas Mario; Potter, William Duncan;, Assignee: Warner-Lambert Company (Morris Plains, NJ) |
Device for preparing foamy milk
We claim: 1. A device for preparing foamy milk, comprising: a cold milk container, means for pumping milk from said container through unidirectional valve means to a heat exchanger adapted to raise th... Read More
Inventors: Silla, Martini; Chiaro, Mario;, Assignee: |
On-site generation of polyurethane foam using an HCFC as a sole blowing agent
OF THE EMBODIMENT Any polyurethane foam forming composition which is suitable for processing and dispensing by means of a portable foaming apparatus may be employed in preparing the polyurethane foam... Read More
Inventors: Wishneski, Todd W.; Petroskey, Wade T.;, Assignee: BASF Corporation (Parsippany, NJ) |
Apparatus controlling discharge volume of a carburetor accelerator pump
Among the several objects of the present invention are the provision of apparatus for controlling the discharge volume of a carburetor's accelerator pump as a function of an engine operating condition... Read More
Inventors: Bathe, John G.;, Assignee: ACF Industries, Inc. (New York, NY) |
Clay-free, thixotropic wellbore fluid
OF THE INVENTION The heteropolysaccharides are those produced as generally described in the aforementioned patents which are incorporated herein. The heteropolysaccharides are commercially available.... Read More
Inventors: Hartfiel, Arlynn H.;, Assignee: Chemical Additives Company (Houston, TX) |
Silicone compositions for the treatment of fibers
OF THE INVENTION The present invention relates to a fiber-treating composition comprising (a) a polydiorganosiloxane having the formula ##STR3## wherein each R represents a monovalent hydrocarbon res... Read More
Inventors: Ona, Isao; Ozaki, Masaru; Usui, Katsutoshi;, Assignee: Toray Silicone Company, Ltd. (Tokyo, JP) |
Organo-functional polysiloxane compositions for fiber-treating
OF THE INVENTION The present invention relates to a composition for treating fibers, said composition comprising a carrier liquid and two organopolysiloxane components selected from the group consist... Read More
Inventors: Ona, Isao; Ozaki, Masaru;, Assignee: Toray Silicone Co., Ltd. (Tokyo, JP) |
Process for treating fibers
That which is claimed is: 1. A process for the treatment of synthetic fibres which comprises applying thereto a composition consisting essentially of the product obtained by mixing (A) 100 parts by we... Read More
Inventors: Smith, Charles;, Assignee: Dow Corning Limited (Barry, WA) |
Organothiol-containing siloxane resins as adhesion promoters for siloxane resins
That which is claimed is: 1. A composition of matter which is a pigment-free aqueous coating composition comprising a mixture of (A) a dispersion of colloidal silica in lower aliphatic alcohol-water s... Read More
Inventors: Baney, Ronald H.; Harris, Len A.;, Assignee: Dow Corning Corporation (Midland, MI) |
Coating compositions containing molybdenum disulfide
What is claimed is: 1. A coating composition for producing a metal effect coating without the concomitant use of metal powders, which composition comprises, as coloring component, 0.001 to 30% by weig... Read More
Inventors: Babler, Fridolin;, Assignee: Ciba-Geigy Corporation (Ardsley, NY) |
Amino silane with epoxy siloxane as treating agent for fiber
What we claim is: 1. A treating agent for filling synthetic fibers, said treating agent comprising (a) 1 part by weight of an aminosilane of the formula (I) ##EQU5## wherein R.sub.1 is a hydrogen atom... Read More
Inventors: Kondo, Takamitsu; Tashiro, Mikio;, Assignee: Teijin Limited (Osaka, JA) |
Method of imparting improved touch to a fabric
OF THE PREFERRED EMBODIMENTS As is understood from the above given description, the most characteristic or effective component in the inventive fabric finishing composition is the organopolysiloxane ... Read More
Inventors: Tanaka, Masaki; Yamaguchi, Koichi;, Assignee: Shin-Etsu Chemical Co., Ltd. (Tokyo, JP) |
Silicone-based synthetic fiber finishing agent
OF THE PREFERRED EMBODIMENTS As is understood from the above given summary of the invention, the essential ingredients in the inventive fabric finishing agent are the components (A), (B) and (C), of ... Read More
Inventors: Okada, Fumio; Tanaka, Masaki; Ohashi, Hiroshi;, Assignee: Shin-Etsu Chemical Co., Ltd. (Tokyo, JP) |
Method for dewatering alum sludge
It is therefore an object of the present invention to provide a method for enhancing the efficiency of conventional dewatering processes for alum sludge by pretreating alum sludge with H.sub.2 O.sub.2... Read More
Inventors: Drewry, William A.;, Assignee: Center for Innovative Technology (Herndon, VA); Old Dominion University (Norfolk, VA) |
Asbestos-metal surfaced urethane modified polyisocyanurate foam
What is claimed is: 1. A fireproof laminate comprising a urethane modified polyisocyanurate foam as a single core material and surface materials piled on both sides of the foam, and passing Grade 2 in... Read More
Inventors: Ohashi, Takashi; Okuyama, Toru; Suzuki, Akira; Arai, Katsuhiko;, Assignee: Bridgestone Tire Co., Ltd. (Tokyo, JP) |
Reinforced foam laminates and a process for their manufacture
I claim: 1. A laminated panel comprising a core of rigid isocyanurate-based foam sandwiched between two facing sheets characterized in that a mesh of continuous glass fiber strands readily permeable t... Read More
Inventors: Briggs, Peter J.;, Assignee: Imperial Chemical Industries Limited (London, GB2) |
Nonmetallic Processes 
