Patents Represented by Attorney, Agent or Law Firm John E. Drach
  • Epoxy resin hardener from aminopolyalkylene oxide/unsaturated ester, polyepoxide and amine
    Patent number: 6387988
    Abstract: Hardeners for epoxy resins produced by reacting one or more &agr;,&bgr;-unsaturated carboxylic acid esters with one or more aminopolyalkylene oxide compounds, reacting the thus formed intermediate with one or more polyepoxide compounds, and reacting the thus formed intermediate with one or more amines are described. Processes for their production, aqueous dispersions containing the same and methods for their use are also described.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: May 14, 2002
    Assignee: Cognis Deutschland GmbH
    Inventors: Horst Sulzbach, Thomas Huver, Hans-Josef Thomas, Vincenzo Foglianisi
  • Defoamers for aqueous systems
    Patent number: 6387962
    Abstract: The products of the reaction of epichlorohydrin and compounds having the formula II R3(EO)n(PO)mOH  (II) wherein R3 is an alkyl alkenyl or arenyl group having from 4 to 22 carbon atoms; a substituted alkyl or alkenyl group having from 4 to 22 carbon atoms wherein; n is a number from 0 to 50 and m is a number from 0 to 50; wherein the mole ratio of epichlorohydrin to (II) is from about 0.60/1 to about 2/1 are used in defoaming compositions for defoaming aqueous systems such as latex paints.
    Type: Grant
    Filed: June 27, 2000
    Date of Patent: May 14, 2002
    Assignee: Cognis Corporation
    Inventors: Michael S. Wiggins, Ronald W. Broadbent
  • Hardeners for epoxy resins, processes for producing the same and methods of using the same
    Patent number: 6387989
    Abstract: Hardeners for epoxy resins produced by reacting one or more &agr;,&bgr;-unsaturated carboxylic acid esters with one or more aminopolyalkylene oxide compounds, reacting the thus formed intermediate with one or more polyhydroxy compounds, reacting the thus formed intermediate with one or more polyepoxide compounds, and reacting the thus formed intermediate with one or more amines are described. Processes for their production, aqueous dispersions containing the same and methods for their use are also described.
    Type: Grant
    Filed: May 1, 2001
    Date of Patent: May 14, 2002
    Assignee: Cognis Deutschland GmbH
    Inventors: Horst Sulzbach, Thomas Huver, Hans-Josef Thomas, Vincenzo Foglianisi
  • Agricultural formulations containing monoglycerides
    Patent number: 6387960
    Abstract: An adjuvant containing: (a) a monoglyceride; and (b) a component selected from the group consisting of nonionic surfactants, anionic surfactants, cationic surfactants, alkyl esters, phytobland mineral oils, water soluble silicone surfactants, fatty acid dialkyl ethers, fatty acid dialkyl carbonates, vegetable oils, and mixtures thereof.
    Type: Grant
    Filed: November 3, 1998
    Date of Patent: May 14, 2002
    Assignee: Cognis Corporation
    Inventor: Jane C. Mueninghoff
  • Use of alkoxylated carboxylic acid esters for reducing viscosity of aqueous surfactant systems
    Patent number: 6384009
    Abstract: A process for reducing the viscosity of an aqueous surfactant composition involving: (a) providing an aqueous surfactant composition containing at least one surfactant, other than an alkoxylated carboxylic acid ester; (b) providing a viscosity-reducing agent corresponding to formula (I): wherein R1CO is an aliphatic acyl group containing from 6 to 18 carbon atoms, AlkO represents CH2CH2O—, CHCH3CH2O—, CH2—CHCH3O, n is a number from 3 to 15, and R2 is an aliphatic alkyl group having from 1 to 22 carbon atoms; and (c) adding a viscosity-reducing effective amount of the viscosity-reducing agent to the aqueous surfactant composition.
    Type: Grant
    Filed: June 18, 2001
    Date of Patent: May 7, 2002
    Assignee: Cognis Deutschland GmbH
    Inventors: Rita Koester, Ansgar Behler, Michael Neuss, Karl-Heinz Schmid
  • Use of mixtures of active substances for the production of hypocholesterolemic agents
    Patent number: 6383514
    Abstract: A hypocholesterolemic composition, for use in reducing serum cholesterol levels in warm-blooded organisms, the composition containing: (a) a phytostanol ester and (b) a tocopherol.
    Type: Grant
    Filed: May 20, 1999
    Date of Patent: May 7, 2002
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Norbert Weitkemper, Bernd Fabry
  • Process for purifying polycarboxylic acids
    Patent number: 6376223
    Abstract: Polycarboxylic acids are purified by contacting a crude polycarboxylic acid with a solvent to produce a substantially pure polycarboxylic acid. The solvent is chosen so that the impurities are soluble in the solvent and the polycarboxylic acid is insoluble in the solvent.
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: April 23, 2002
    Assignee: Cognis Corporation
    Inventor: Michael D. Staley
  • Phenoketals and the use thereof as odoriferous substances
    Patent number: 6376457
    Abstract: Phenone ketals corresponding to formula (I): where X and Y independently of one another represent methoxy, ethoxy, propoxy or butoxy groups and R1 is a methyl, ethyl or propyl group, R2 is hydrogen or a methyl, ethyl, isopropyl, tert.butyl or methoxy group, R3 is hydrogen or a methoxy group and R4 is hydrogen or a methyl group; their use as a component of perfumes; and perfume compositions containing them.
    Type: Grant
    Filed: October 1, 1999
    Date of Patent: April 23, 2002
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Thomas Markert, Ralph Nemitz
  • Nanoscale organic UV filters
    Patent number: 6368577
    Abstract: A cosmetic or pharmaceutical composition used for blocking the penetration of ultraviolet radiation, the composition containing nanoscale organic UV filters having a mean diameter of from 10 to 300 nm.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: April 9, 2002
    Assignee: Cognis Deutschland GmbH
    Inventors: Christian Kropf, Hans Dolhaine, Thomas Foerster, Bernd Fabry
  • Process for removing solid asphalt residues produced in the petroleum industry
    Patent number: 6368422
    Abstract: Methods and compositions for dissolving adherent petroleum residues which occur in the production and processing of petroleum in which esters of the following formula are employed: R1—COO—(CnH2nO)x—R2  (I) which R1 is an alkyl group containing 6 to 22 carbon atoms or a (CH2)m—COOR4 group, R2 and R4 independently of one another represent an alkyl group containing 1 to 8 carbon atoms, n is the number 2 or 3 and m is a number of 1 to 6 and x is 0 or a number of 1 to 12.
    Type: Grant
    Filed: November 26, 1999
    Date of Patent: April 9, 2002
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Wolfgang Breuer, Claus-Peter Herold
  • Use of dibasic esters as solvents for hydrophobic compounds which act as surface active components on textiles
    Patent number: 6368358
    Abstract: A composition for use on synthetic textile substrates in order to inhibit autoxidation, the composition containing: (a) an antioxidant component; (b) a dibasic ester solvent; and (c) a surfactant component.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: April 9, 2002
    Assignee: Cognis Corporation
    Inventors: Susan C. Glenn, A. Howard Cole, Kenneth L. Smith
  • Cosmetic preparations
    Patent number: 6365168
    Abstract: A pearlescent composition containing: (a) a dialkyl ether corresponding to formula (I): R1—O—R2  (I) wherein R1 and R2 independently of one another represent linear or branched alkyl and/or alkenyl groups having from 12 to 22 carbon atoms; (b) a cationic polymer; and (c) an emulsifier selected from the group consisting of an alkyl and/or alkenyl oligoglycoside, a fatty acid-N-alkyl polyhydroxyalkyl amide, an alkyl ether sulfate, a betaine, and mixtures thereof.
    Type: Grant
    Filed: May 12, 1999
    Date of Patent: April 2, 2002
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Achim Ansmann, Bernd Fabry
  • Polyamines and coating compositions with enhanced resistance to yellowing
    Patent number: 6365708
    Abstract: This invention relates to novel polyamines which are the reaction product of A) at least one nonaromatic diamine containing from 2 to 40 carbon atoms, wherein the amine groups are primary amine groups; and B) at least one epihalohydrin of the formula  where R is hydrogen or methyl and X is chlorine or bromine; and the coatings resulting from the reaction between the above reaction product and nonaromatic epoxy resins.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: April 2, 2002
    Assignee: Cognis Corporation
    Inventors: Shailesh Shah, Anbazhagan Natesh, Joseph Mulvey, Ronald C. LaFreeda, Gaetano D. DeAngelis, Ronald T. Cash, Jr.
  • Methods of preparing cationic layer compounds, cationic layer compounds prepared thereby, and methods of use therefor
    Patent number: 6362261
    Abstract: A method of preparing a modified cationic layer compound which includes providing a layer compound of the general formula (I): [EeZzDdVv(OH−)x](An−)a.qH2O  (I) wherein E represents one or more monovalent alkali metal cations, e represents a number of from 0 to about 2, Z represents one or more divalent metal cations, z represents a number of from 0 to about 6, D represents one or more trivalent metal cations, d represents a number of from 0 to about 3, V represents one or more tetravalent metal cations, v represents a number of from 0 to about 1, (An−) represents an acid anion wherein n represents an integer of from 1 to 3, q represents a number of from about 1 to about 10, and wherein x>a and e+2z+3d+4v=x+na; subjecting the layer compound to crystallization to provide a resultant material; and subjecting the resultant material to steam drying at a temperature of from about 200° C. to about 260° C.
    Type: Grant
    Filed: October 2, 2000
    Date of Patent: March 26, 2002
    Assignee: Cognis Deutschland GmbH
    Inventors: Ilona Lange, Joerg-Dieter Klamann, Peter Daute, Juergen Foell, Peter Wedl, Stefan Kuepper
  • Compositions containing natural lycopene and natural tocopherol
    Patent number: 6362221
    Abstract: A method for preventing or treating high serum levels of cholesterol and lipids in a mammal, said method comprising orally administering an effective amount of natural lycopene to prevent or treat high serum levels of cholesterol or lipid to a mammal in need of such treatment. Also disclosed is an oral pharmaceutical composition in unit dosage form for oral administration for the prevention or treatment of high serum levels of cholesterol and/or lipids in a mammal, said composition comprising an effective amount of natural lycopene to prevent or treat high serum levels of cholesterol or lipid in a mammal and in a sufficient amount to achieve a level of serum cholesterol of less than 200 mg per deciliter over the course of treatment, and a pharmaceutically acceptable carrier therefor.
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: March 26, 2002
    Assignee: Cognis Corporation
    Inventors: James P. Clark, Manfred S. Dunker
  • Method and partitioning blood using polyesters
    Patent number: 6361700
    Abstract: A polyester is provided which facilitates the separation of blood into light and heavy phases via centrifugation in a blood collection vessel. The polyester is useful as a component of a partitioning composition formulated to have appropriate specific gravity to be positioned intermediate the light and heavy blood phases during centrifugation. The polyester composition can be prepared with relative ease compared to prior art polyesters useful in blood partitioning compositions. The polyesters of this invention comprise a dicarboxylic acid member, a polymeric fatty acid, a diol member and a moiety having at least one polymerizable carbon-carbon double bond and at least one functional group capable of reacting with the ends of the polyester chain. The polyesters have a lower viscosity when synthesized and are later cured to increase their viscosity to the desired level.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: March 26, 2002
    Assignee: Cognis Corporation
    Inventors: Jeffrey A. Gates, Michael S. Sharp
  • Detergent mixtures containing ester quats, chitosan and/or chitosan derivatives and protein hydrolyzates
    Patent number: 6362142
    Abstract: A surface-active composition useful for cleaning various types of substrates such as articles of clothing, various types of hard surfaces, as well as, human hair and skin, the composition containing: (a) an esterquat; (b) a chitosan and/or chitosan derivative; and (c) a protein hydrolyzate.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: March 26, 2002
    Assignee: Cognis Deutschland GmbH
    Inventors: Peter Weber, Bernd Fabry
  • Continuous bulk polymerization process
    Patent number: 6362296
    Abstract: The invention relates to a process for producing a polymer or copolymer from monomer material comprising an acrylate, methacrylate, or mixture of such monomers, which comprises the steps of: (a) charging into a continuous tube reactor a feedstock comprising said monomer material and a polymerization initiator; (b) maintaining a flow rate of said material through the reactor at a reaction temperature in the reactor and under pressure sufficient to provide a residence time of the feedstock in the reactor during which polymerization will occur, to form a resin product in the reactor, and said resulting resin product comprising unreacted monomer, and (c) devolatilizing said resin product exiting the reactor to remove unreacted monomers, to provide a substantially monomer-free resin product. Further, the invention relates to resin product made by the process.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: March 26, 2002
    Assignee: Cognis Corporation
    Inventors: Shruti Singhal, Rainer Hoefer, John E. Nowicki, George Roth, Darmesh Chovatia, Shailesh Shah
  • Method for producing tenside granulates with a higher bulk density
    Patent number: 6362157
    Abstract: A process for making detergent granules having a bulk density above 500 g/l involving: (a) providing a fluidized bed; (b) providing an apertured inflow base located below the fluidized bed for introducing fluidization gas into the fluidized bed; (c) providing a grid interposed between the fluidized bed and the apertured inflow base, the grid having a mesh size of less than 600 &mgr;m; (d) providing a surfactant preparation in liquid to paste form; and (e) introducing the surfactant preparation into the fluidized bed to form the detergent granules.
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: March 26, 2002
    Assignee: Cognis Deutschland GmbH
    Inventors: Olaf Blochwitz, Georg Assmann, Andreas Syldath, Ditmar Kischkel, Karl-Heinz Schmid
  • Stabilization of aqueous emulsion polymers
    Patent number: 6362259
    Abstract: Aqueous emulsion polymer compositions stabilized with the reaction product of alkoxylated alcohols and an epihalohydrin or a trihaloalkanes.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: March 26, 2002
    Assignee: Cognis Corporation
    Inventors: Marcie Natale, Rudolph Klima, Thomas Hopkins, Michael Wiggins