Antimicrobial filter cartridge
The present invention is directed toward an antimicrobial filter cartridge which utilizes a bundle of semipermeable hollow fibers centrally located within a housing. The housing has two chambers separ... Read More
Inventors: Patil, Arvind S.;, Assignee: Microban Products Company (Huntersville, NC) |
Heat exchanger with multiwall tubes
It is an object of the present invention to provide a heat exchanger and a tube for use therein, with which the problems outlined above do not occur or at any rate occur to a much lesser extent. This ... Read More
Inventors: Huigen, Johannes H.; Tromp, Theodoor J.; Vrijen, Jan; van Westenbrugge, Johan K.;, Assignee: B.V. Neratoom (The Hague, NL) |
Antihypertensive 4-aminoquinolines
I claim: 1. A compound of the formula II ##STR15## wherein X is chloro or trifluoromethyl; wherein R is (a) triazinyl; (b) pyrazinyl; (c) pyrimidinyl; (d) triazinyl, pyrazinyl, or pyrimidinyl substitu... Read More
Inventors: McCall, John M.;, Assignee: The Upjohn Company (Kalamazoo, MI) |
Chlorine-resistant semipermeable membranes
OF THE INVENTION As hereinbefore set forth, the present invention is concerned with semipermeable membranes which are resistant to chlorine. The membranes are prepared by casting an aqueous solution ... Read More
Inventors: Zupancic, Joseph J.; Swedo, Raymond J.;, Assignee: UOP Inc. (Des Plaines, IL) |
Interfacially synthesized reverse osmosis membranes and processes for preparing the same
OF PREFERRED EMBODIMENTS The membranes of the present invention may be formed by various methods of interfacial polymerization, a number of which are known in the art. Presently preferred are the met... Read More
Inventors: Tomaschke, John E.; Ary, Istvan E.;, Assignee: Hydranautics (San Diego, CA) |
Method and apparatus for bioremediation of mixed hazardous wastes
OF THE INVENTION Reference is now made to FIG. 1 which is a highly schematic block diagram illustrating a first preferred embodiment of the invention, the dashed lines representing possible variation... Read More
Inventors: Hunter, Robert M.; Stewart, Frank M.;, Assignee: |
Method of forming a sterilizable package with tear-off indicators
What is claimed is: 1. Method for sterilizing which comprises providing an open-ended package made of a plastic member heat sealed to a paper member, the paper member having a portion extending beyond... Read More
Inventors: Daly, William P.; Lewis, Robert P.; Pouliot, Oliver L.;, Assignee: Faser Industries (Saddle Brook, NJ) |
Suspended ceiling grid structure
Turning now to the drawings, there is shown a suspended ceiling grid structure 11 adapted to support ceiling tiles or the like, which comprises a plurality of main beams 15 arranged in spaced-apart, ... Read More
Inventors: Platt, William J.;, Assignee: National Rolling Mills Inc. (Malvern, PA) |
Method for sterilizing artificial organs and apparatus used therefor
In accordance with the present invention, there is provided a method for sterilizing an artificial organ with high pressure steam in an autoclave, which comprises passing through an artificial organ a... Read More
Inventors: Masuhara, Shohei;, Assignee: Kanegafuchi Kagaki Kogyo Kabushiki (Osaka, JP) |
Method for sterile packaging and wetting of articles
What is claimed is: 1. A method of sterile packaging and wetting of articles comprising the sequential steps of partially filling a container with a solution of a standard anti-bacterial agent; then p... Read More
Inventors: Franchi, Richard M.;, Assignee: |
Methods for disinfecting dialyzers
In view of the foregoing state of the art, it is an object of this invention to provide an improved method for reprocessing dialyzers. It is a particular object of the invention to provide a method fo... Read More
Inventors: Levin, Nathan; Polaschegg, Hans-Dietrich;, Assignee: |
Filter package
It is an object of the present invention to provide a filter package containing a filter and a noncontaminating liquid with substantially no contaminants, the filter package having a long shelf life w... Read More
Inventors: Hopkins, Scott D.; Spencer, Daniel W.; Peri, Joseph A.;, Assignee: Pall Corporation (East Hills, NY) |
Device and method for processing a fluid by two-phase compression and fractionation
The present invention consists in using a compression device allowing to mix and to dissolve the type A fraction(s) in a solvent phase while increasing the pressure level of the compressed fluids. The... Read More
Inventors: Charron, Yves; Rojey, Alexandre;, Assignee: Institut Francais Du Petrole (Cedex, FR) |
Vacuum panel
I claim: 1. A panel intended for use as a vacuum enclosure, comprising a pair of spaced sheets defining between them opposite walls of said enclosure, a plurality of spacer assemblies located between ... Read More
Inventors: Bennett, Christopher J.;, Assignee: |
Method for preparing cationic latexes
That which is claimed is: 1. A method for preparing a cationic structured-particle latex comprising the steps of reacting at a temperature from about 0.degree. to about 80.degree. C a water-stable, no... Read More
Inventors: Wessling, Ritchie A.; Klingler, Thomas C.; Meyer, Victor E.;, Assignee: The Dow Chemical Company (Midland, MI) |
Insoluble polyalkyl phosphonium salt resins having carbon-carbon crosslinked backbone
OF THE INVENTION The cross-linked polymers have a carbon-to-carbon main polymer chain or backbone and cross-links formed by the addition copolymerization of a mono-olefinically unsaturated monomer an... Read More
Inventors: Rakshys, Jr., Joseph W.; McKinley, Suzanne V.;, Assignee: The Dow Chemical Company (Midland, MI) |
Elastomeric composition
While the invention will be exemplified by reference to a specific polyurethane elastomeric polymer, the invention in general and certain aspects in particular are broad in scope, for example, the co... Read More
Inventors: Wyman, Ransome J.;, Assignee: |
Production of a liquid separation module
What is claimed is: 1. A method of producing a liquid separation module of a spiral type, having a mandrel with a layer arrangement, consisting of a plurality of layer elements, wherein said layer arr... Read More
Inventors: Kanamaru, Naokatu; Imai, Kazuo; Fujino, Hisaaki;, Assignee: Toray Industries, Inc. (Tokyo, JP) |
Spiral-wound membrane with improved permeate carrier
Accordingly, it is an object of the present invention to provide a filtration module constructed from a minimum number of layers of different materials, and exhibiting improved side pressure loss, and... Read More
Inventors: Lien, Larry A.;, Assignee: Desalination Systems, Inc. (Escondido, CA) |
Process for recycling laden fluids
OF THE INVENTION Referring to the drawing, the system for the method of recycle of explosive laden fluid is shown generally at 10. Feed pipe 12 channels the fluid, e.g. water, discharged from a high ... Read More
Inventors: Getty, Heather L.; Cypher, Michael S.; Hatz, David P.; Miller, Paul L.;, Assignee: Global Environmental Solutions, Inc. (Hopkins, MN) |
Preparation of aqueous emulsion
It has now been found that the above-mentioned objects can be attained by employing a modified PVA as an emulsifier in an emulsion polymerization, namely a hydrolyzed vinyl acetate-alkali metal olefi... Read More
Inventors: Kobayashi, Koichi; Kimura, Akihito;, Assignee: Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha (Osaka, JA) |
Heteropolymer acrylic latices and textiles treated therewith
The monomers forming the polymeric core of the heteropolymer are selected to provide a glass transition temperature (T.sub.g) in the core of -30.degree. C. or lower. It is believed that the resulting... Read More
Inventors: Plamondon, Joseph E.; Wilber, William R.; Goth, Stephen;, Assignee: Rohm and Haas Company (Philadelphia, PA) |
Hardenable compositions
We claim: 1. A hardenable composition which comprises (i) a poly(carboxylic acid) selected from the group consisting of homopolymers and copolymers of unsaturated aliphatic carboxylic acids or precurs... Read More
Inventors: Crisp, Stephen; Wilson, Alan D.;, Assignee: National Research Development Corporation (GB2) |
Sludge control and decant system
The system and apparatus which is the subject matter of our invention is intended to overcome the foregoing recited shortcomings of previous systems. Primarily it consists of a system wherein the grow... Read More
Inventors: Ward, Thomas D.; Ray, Marshall W.;, Assignee: Harsco Corporation (Harrisburg, PA) |
Method of making asymmetric cellulose triacetate membranes
What is claimed is: 1. A method for making an asymmetric cellulose triacetate semipermeable membrane, which method comprises forming a solution of cellulose triacetate having an acetyl content of 43.5... Read More
Inventors: Mungle, Charles R.; Fox, Ronald L.;, Assignee: The United States of America as represented by the Secretary of the (Washington, DC) |
Use of raw manganese nodules for oxidation leaching of reductively roasted manganese nodules
We claim: 1. A process for treating a manganese ore containing copper and nickel base metal values to enable the copper and nickel base metal values in the ore to be recovered comprising the steps of ... Read More
Inventors: Lueders, Robert E.; Kust, Roger N.; Szabo, Lester J.;, Assignee: Kennecott Copper Corporation (New York, NY) |
Process for injection molding sinterable carbide ceramic materials
OF THE INVENTION The present invention relates to ceramic compositions that may be injection molded and subsequently sintered, and to the process of producing a dense sintered body or article utilizi... Read More
Inventors: Ohnsorg, Roger W.;, Assignee: The Carborundum Company (Niagara Falls, NY) |
Making silicon carbide bodies
I claim: 1. A method of making a reaction-bonded silicon carbide body by steps which include preparing a porous preform comprising compacted particulate silicon carbide and a carbon-yielding binder, h... Read More
Inventors: Alsop, John E.;, Assignee: Morganite Special Carbons Limited (London, GB2) |
Method of producing permeable, porous molded bodies of silicon carbide
We claim: 1. Method of producing permeable porous molded bodies of silicon carbide, comprising the steps of: molding a green-state precursor body from a composite powder made of carbon particles, sili... Read More
Inventors: Dias, Francisco J.; Kampel, Marian; Luhleich, Hartmut;, Assignee: Kernforschungsalage Julich GmbH (Julich, DE) |
Process for producing silicon carbide heating elements
However, it has now been found that the influence obtained by nitrogen addition can be further improved and the electrical resistivity can be decreased by changing the nitrogen atmosphere in the secon... Read More
Inventors: Watanabe, Masakazu; Okuno, Akiyasu; Nozaki, Shunkichi; Matsuo, Yasushi; Fukuura, Isamu;, Assignee: NGK Spark Plug Co., Ltd. (Aichi, JP) |
Liquid Purification 
