Patents Examined by Richard D. Lovering
  • Oleophobic laminated articles, assemblies of use, and methods
    Patent number: 6196708
    Abstract: An article, such as a filter or film, has a treated laminate with an expanded PTFE membrane and a porous support scrim. The treated laminate is formed by contacting a laminate having an expanded PTFE membrane and a porous support scrim with an oleophobic treatment agent dissolved in an organic solvent. The oleophobic treatment agent is deposited onto the expanded PTFE membrane and porous support scrim as the organic solvent is removed. The oleophobic treatment agent is typically a fluoropolymer. The article can be used, for example, as a filter over a port in a housing of an electronics or other device.
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: March 6, 2001
    Assignee: Donaldson Company, Inc.
    Inventor: Robert M. Rogers
  • Preparation of active ingredient dispersions and apparatus therefor
    Patent number: 6197836
    Abstract: The invention relates to a process and an apparatus for preparing active ingredient dispersions, wherein an active ingredient is dissolved in a fluid gas, the fluid gas loaded with active ingredient is essentially completely dissolved in a liquid and is decompressed, and the gas is separated from the liquid loaded with active ingredient.
    Type: Grant
    Filed: October 7, 1997
    Date of Patent: March 6, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Riede, Werner Göbel, Christian Lockemann
  • Hydrophobic precipitated silica
    Patent number: 6197384
    Abstract: Hydrophobic precipitated silica having the physical/chemical parameters: Drying loass [%] 2.0-10  DIN ISO 787/2 Ignition loss [%]  2-25 DIN ISO 3262/11 Methanol wettability [%] 20-80 titrated Carbon content [%]  1-30 — is produced by mixing a precipitated silica suspension with a silane emulsion and drying it. The hydrophobic precipitated silica may be used for the production of defoamers and in papermaking.
    Type: Grant
    Filed: June 25, 1999
    Date of Patent: March 6, 2001
    Assignee: Degussa-Huls AG
    Inventors: Jürgen Schubert, Wolfgang Lortz
  • Sparkle linen spray
    Patent number: 6194470
    Abstract: A sprayable composition in a pump spray bottle includes a fragrance oil and reflective material. The reflective material is sized to pass through the atomizer of the pump spray bottle. Linens or clothing can be sprayed with the composition to provide a pleasant smell and sparkling appearance to the surfaces sprayed.
    Type: Grant
    Filed: August 6, 1999
    Date of Patent: February 27, 2001
    Assignee: Bath & Body Works, Inc.
    Inventors: Anita Lutz, Anthony Zembrodt
  • Petroleum hydrocarbon in water colloidal dispersion
    Patent number: 6194472
    Abstract: A composition of a hydrocarbon in water colloidal dispersion including hydrocarbon particles having a mean softening point exceeding 95° C., a water soluble dispersion agent and water, process and apparatus for the production thereof are disclosed. These dispersions have a median particle size below about 4.5 microns and 90% of the hydrocarbon particles have a size less than about 60 microns. These dispersions are storage stable, stable towards transportation, and can be pumped without destabilizing.
    Type: Grant
    Filed: February 3, 1999
    Date of Patent: February 27, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Sundaram Logaraj, Thomas J. Ernzen, Moon-Sun Lin, Antonio C. Ng, Todd Lesley Hays, Calvin Lynn Stegemoeller, Li Feng, Mark Aldrich Stroder
  • Fluid concentrates of modified mineral acid salts
    Patent number: 6194471
    Abstract: This invention relates to the production of mineral acid salts of amines which can be easily handled and pumped in plant and laboratory environments. More particularly, this invention relates to the production of water-free fluid ionic mineral acid salt compositions of fatty acid amine derivatives which are suitable for use as anti-stripping agents in hot asphalt applications.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: February 27, 2001
    Inventors: Everett Crews, Peter Schilling
  • Chemical dispersant for oil spills (LAW898)
    Patent number: 6194473
    Abstract: A formulation of chemical surfactants, solvents and inorganic salts is effective for dispersing heavy oils in both salt and fresh water. The formulation comprises a mixture of a sorbitan ester of an aliphatic monocarboxylic acid, a polyoxyethylene adduct of a sorbitan monoester of an aliphatic monocarboxylic acid, an alkali metal salt of a dialkyl sulfosuccinate, a polyoxyethylene adduct of a sorbitan triester of a monocarboxylic acid, a solvent comprising a hydrocarbon and/or a glycol ether and an inorganic salt containing a soluble divalent cation such as calcium or magnesium.
    Type: Grant
    Filed: December 14, 1999
    Date of Patent: February 27, 2001
    Assignee: Exxon Research and Engineering Company
    Inventors: Richard Raymond Lessard, Kenneth William Becker, Gerard Paul Canevari, Anita George-Ares, Robert John Fiocco
  • Oily composition and process for producing the same
    Patent number: 6190680
    Abstract: An oily composition comprises a solid phase containing a water-soluble effective substance and/or a water-dispersible effective substance and an oil phase containing an oily component and an emulsifying agent having an HLB value of not more than 10, wherein the solid phase is dispersed in the oil phase in the form of a fine particulate state having an average particle size of not more than 5 &mgr;m and the water content or the aqueous alcohol solution content of the solid phase is not more than 30% by weight.
    Type: Grant
    Filed: March 31, 1999
    Date of Patent: February 20, 2001
    Assignee: The Nisshin Oil Mills, Ltd.
    Inventors: Satoshi Sakurada, Hisako Yoshino
  • pH-buffered slurry and use thereof for polishing
    Patent number: 6190237
    Abstract: A slurry containing abrasive particles and a pH buffering component comprising at least one acid or salt thereof and at least one base is especially useful for polishing surfaces, including those used in microelectronics.
    Type: Grant
    Filed: November 6, 1997
    Date of Patent: February 20, 2001
    Assignee: International Business Machines Corporation
    Inventors: Cuc Kim Huynh, Mahadevaiyer Krishnan, Michael Joseph MacDonald, Mark Peter Murray
  • Polymer electrolyte, a polymer aggregating agent prepared therefrom, and a disposal of waste water
    Patent number: 6190575
    Abstract: A polymer electrolyte which contains an inorganic pigment, having a sulfonated polystyrene resin as a principal ingredient, and is soluble to water.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: February 20, 2001
    Assignee: Sony Corporation
    Inventors: Yasuhito Inagaki, Tsutomu Noguchi, Haruo Watanabe, Miyuki Kuromiya
  • Solubilizing single-walled carbon nanotubes by direct reaction with amines and alkylaryl amines
    Patent number: 6187823
    Abstract: Naked single-walled nanotube carbon metals and semiconductors are dissolved in organic solutions by direct functionalization with amines or alkylaryl amines having an uninterrupted carbon chain of at least 5 and more preferably 9 carbon atoms in length.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: February 13, 2001
    Assignee: University of Kentucky Research Foundation
    Inventors: Robert C. Haddon, Jian Chen
  • Method and device for the continuous coagulation of aqueous dispersions of graft rubbers
    Patent number: 6187825
    Abstract: A process for the continuous coagulation of aqueous dispersions of graft rubbers suitable for toughening thermoplastics is described. In the process, dispersions are transported through an apparatus having at least one shear element with a slotted stator and a rotating of the rotor within the stator, so that said dispersions are passed radially from the inside to the outside as a result of the rotation of the rotor in the shear element and, during or after passage through the slots of the rotor and stator, are subjected to such strong shearing that they coagulate, resulting in graft rubber coagulums which can be readily worked up even at a solids content of more than 50% by weight of elastomers.
    Type: Grant
    Filed: June 21, 1999
    Date of Patent: February 13, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Norbert Güntherberg, Jürgen Hofmann
  • Maleimide containing formulations and uses therefor
    Patent number: 6187886
    Abstract: In accordance with the present invention, there are provided novel hydrophobic compositions comprising a defined hydrophobic maleimide moiety and optionally, a hydrophobic cyanate ester moiety. Invention compositions have excellent moisture resistance (and, hence are much less prone to give rise to “popcorning”), excellent handling properties (i.e., generally existing as a fluid material which does not require the addition of solvent to facilitate the use thereof), and excellent performance properties (e.g., good dielectric properties).
    Type: Grant
    Filed: June 29, 1998
    Date of Patent: February 13, 2001
    Assignee: Dexter Corporation
    Inventors: Frank D. Husson, Jr., Benjamin Neff, Stephen M. Dershem
  • Zinc oxide sol and method of making
    Patent number: 6187824
    Abstract: Disclosed is a zinc-oxide containing sol comprising a core of cerium dioxide sol the surface of which particles is coated with zinc oxide; and the method of making the sol. The sol has a mean particle size of less than 50 nm, is characterized as being clear and transparent and is stabilized to resist agglomeration and particle size increase. An essential part of the disclosed invention is the addition of a positive charged oxide such as yttrium oxide to effect the stabilization before significant changes in transparency, agglomeration and/or particle size increase can occur.
    Type: Grant
    Filed: August 25, 1999
    Date of Patent: February 13, 2001
    Assignee: Nyacol Nano Technologies, Inc.
    Inventor: Thomas F. Swank
  • Synergistic mixtures of alkylphenol-formaldehyde resins with oxalkylated amines as asphaltene dispersants
    Patent number: 6180683
    Abstract: The present invention relates to a synergistic mixture comprising, as asphaltene dispersant, from 5 to 95% by weight of a compound A of the formula I or II defined in the description, and from 5 to 95% by weight of a compound B of the formula (III) defined in the description, the substituents being defined as described in the description. The mixture is an excellent asphaltene dispersant in crude oils and products derived therefrom.
    Type: Grant
    Filed: March 9, 1998
    Date of Patent: January 30, 2001
    Assignee: Clariant GmbH
    Inventors: Dennis Miller, Michael Feustel, Axel Vollmer, Reinhard Vybiral, Dieter Hoffmann
  • Method of preparing microemulsions of amino silicone fluids and MQ resin mixtures
    Patent number: 6180117
    Abstract: Microemulsion compositions comprising MQ resins and microemulsifiable amino silicone fluids or gums and a surfactant having a high phase inversion temperature, the microemulsions formed therewith, a means for preparing said microemulsions, and personal care products comprising said microemulsions.
    Type: Grant
    Filed: February 10, 1995
    Date of Patent: January 30, 2001
    Assignee: General Electric Company
    Inventors: Marianne D. Berthiaume, James H. Merrifield, Donna A. Riccio
  • Defoamer mixtures, a process for the production thereof and the use thereof
    Patent number: 6177481
    Abstract: The present invention relates to mixtures comprising at least one polysiloxane defoamer, at least one emulsifier, at least one nonionic surfactant, at least one polyurethane thickener and water, to a process for the production thereof and to the use thereof.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: January 23, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Grape, J{umlaut over (u)}rgen Krott, Jan Mazanek, Karl-Heinz Kaesler
  • Boron-containing aqueous solution particularly for addition to amyloid glue
    Patent number: 6176917
    Abstract: The present invention relates to a boron-containing aqueous solution comprising at least one amino compound and/or one organic polyhydroxylated compound, characterized in that: it comprises a theoretical amount of B2O3 of between 25 and 55% by weight, at least one solubilized complex between at least one boron-containing product and the amino compound and/or one organic polyhydroxylated compound, and optionally at least one biocide and/or one antifoam and/or one anionic or non-ionic surfactant, it is obtained from at least one initial boron-containing solute consisting of a mixture of at least one borate, boric acid and/or B2O3 and optionally at least one strong base, and its pH is between 6 and 9. Application: Addition to starch paste, brightening products or biocides and for the decontamination of radioactive materials, inter alia.
    Type: Grant
    Filed: February 26, 1998
    Date of Patent: January 23, 2001
    Assignee: Development, Activities Chimiques Distribution
    Inventors: Didier Marcel Duclaud, Ren{acute over (e)} De Pannemacker, Jean-Christophe Lago
  • Composition for paraffin removal from oilfield equipment
    Patent number: 6176243
    Abstract: A non-hazardous, non-flammable, biodegradable composition for use in removal of paraffin accumulations in oilfield equipment may contain limonene, a glycol ether an ethoxylate(alcohol surfactant, an aliphatic alcohol having 1 to 4 carbon atoms or mixtures thereof, a non-hazardous and biodegradable organic acid, and, sufficient water as a carrier and comprising such a major weight component of the composition as to virtually eliminate a measurable flashpoint therefor. Preferably the aliphatic alcohol is one or methanol, ethanol, or admixtures thereof. Preferably the organic acid is one of acetic acid, citric acid, or formic acid. The glycol either is preferably ethylene glycol monopropyl ether.
    Type: Grant
    Filed: March 29, 1999
    Date of Patent: January 23, 2001
    Inventor: Joe A. Blunk
  • Continuous manufacturing method for microspheres and apparatus
    Patent number: 6177479
    Abstract: In an apparatus for continuously manufacturing microspheres, a dispersed phase (O) is supplied to a chamber 27 for the dispersed phase inside of a bulkhead member 26 via a supply port 23. Thereafter, the dispersed phase enters into a gap 31 between a plate 22 via a supply port 29 in a base 25. The dispersed phase which enters into the gap 31 grows microspheres (particles) having a certain diameter while passing through a microchannel 33 by pressure applied by, for example, a pump, and is mixed with a continuous phase (W), so that microspheres are produced. The thus-produced microspheres float or are suspended in the continuous phase without needing any particular external force in response to their specific gravity, allowing the microspheres to be generated and withdrawn from a withdrawal port 32 at a significantly reduced pressure in comparison to conventional methods and apparatus.
    Type: Grant
    Filed: March 1, 1999
    Date of Patent: January 23, 2001
    Assignees: Japan as represented by Director of National Food Research Institute, Ministry of Agriculture, Forestry and Fisheries, Bio-oriented Technology Research Advancement Institution
    Inventors: Mitsutoshi Nakajima, Yuji Kikuchi, Yoh Sano, Hiroshi Nabetani, Takahiro Kawakatsu, Isao Kobayashi, Hironoshin Takao