Patents Assigned to Akzo Nobel
  • Patent number: 6437101
    Abstract: Methods are provided in this invention for the isolation of human growth hormone, growth hormone antagonist, or a homologue of either, from a biological source. The methods of the invention use multi-phase extraction.
    Type: Grant
    Filed: May 7, 1999
    Date of Patent: August 20, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Kirk James Hayenga, Pascal P. Valex
  • Patent number: 6437158
    Abstract: The invention is drawn to (7a, 17b)-7-methyl-17-(1-oxoundecyl)oxy-estr-4-en-3-one, (MENT undecanoate), their pharmaceutical formulation and method of use is described. Unexpected results of the said compound compared with testosterone undecanoate is disclosed.
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: August 20, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Dirk Leysen D., Hendrikus Adrianus Antonius Van Der Voort H.A.A
  • Publication number: 20020110515
    Abstract: The invention relates to a process for production of hydrogen peroxide according to the anthraquinone process including alternate hydrogenation and oxidation of one or more quinones selected from anthraquinones and/or tetrahydro anthraquinones in a working solution comprising at least one quinone solvent and at least one hydroquinone solvent, wherein said at least one quinone solvent comprises isodurene in an amount from 15 to 100 wt %. The invention also relates to a composition useful as a working solution at production of hydrogen peroxide.
    Type: Application
    Filed: June 12, 2001
    Publication date: August 15, 2002
    Applicant: Akzo Nobel N.V.
    Inventors: Mats Nystrom, Christina Jarnvik
  • Patent number: 6432955
    Abstract: The present invention relates to therapeutically active antithrombotic compounds.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: August 13, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Constant Adriaan Anton van Boeckel, Philippus Johannes Marie van Galen, Johannes Bernardus Maria Rewinkel
  • Patent number: 6432921
    Abstract: The invention relates to non-slow-binding thrombin inhibitors of the formula: A—B—C-Lys-D wherein A is H, 2-hydroxy-3-cyclohexylpropionyl-, R1, R1—O—CO—, R1—CO—, R1—SO2—, —(CHR2)nCOOR3, or an N-protecting group, wherein R1 is selected from —(1-6C)alkylene-COOH, (1-12C)alkyl, (2-12C)alkenyl, (6-14C)aryl, (7-15C)aralkyl; and (8-16C)aralkenyl, the aryl group of which may be substituted with (1-6C)alkyl, (2-12C)alkoxy, hydroxy, or halogen; R2 is H or has the same meaning as R1, R3 is selected from H, (1-12C)alkyl, (2-12C)alkenyl, (6-14C)aryl, (7-15C)aralkyl and (8-16C)aralkenyl, the aryl group of which may be substituted with (1-6C)alkyl, (2-12C)alkoxy, hydroxy or halogen; n is an integer of 1 to 3; B is a bond, L-Asp or an ester derivative thereof, Leu, norLeu, —N(benzyl)-CH2—CO—, —N(2-indane)-CH2—CO—, D-1-Piq, D-3-Piq, D-Tiq, Atc or a D-amino acid having a hydrophobic aromatic side chain; C is Azt, Pro, Pec, no
    Type: Grant
    Filed: May 3, 1998
    Date of Patent: August 13, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: A. E. P. Adang, C. A. A. van Boeckel, J. A. M. Peters, P. D. J. Grootenhuis
  • Patent number: 6432907
    Abstract: The present invention relates to cationic sugar surfactants with improved biodegradability that can be used as hydrotropes for surfactants, especially for nonionic alkylene oxide adducts in alkaline solutions, and as cleaners for hard surfaces. The cationic sugar surfactants contain at least one hydrocarbon group with 6-24 carbon atoms and at least one quaternary ammonium group where at least one substituent is an alkyleneoxy containing group which is connected to a saccharide residue by a glycosidic bond. They are obtained from ethoxylated quaternary ammounium compounds and reducing saccharides or alkyl glycosides.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: August 13, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Rolf Skold, Bodil Gustavsson
  • Patent number: 6429256
    Abstract: Aqueous coating composition, for example for use as a clear or pigmented top coat or a primer, comprising: a) a polyol or a mixture of polyols having at least two hydroxy groups per molecule and: i a content C of carboxylate- and/or carboxylic acid-functional groups and ii a content S of sulfonate- and/or sulfonic acid-functional groups, and b) one or more cross-linkers capable of reacting with hydroxy groups. A Polyol having a content C of carboxylate- and/or carboxylic acid-functional groups and a content S of sulfonate- and/or sulfonic acid-functional groups, the total content C+S being between 0.09 and 0.6 mmol/gram polyol, and the ratio C/S having a value between 0.5 to 20 and a process for preparing the polyol resin.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: August 6, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Paul Marie Vandevoorde, Egbert Brinkman, Rob Adriaan Otte, Robert Van Egmond
  • Patent number: 6429329
    Abstract: A process for the synthesis of a hydrocarbylvinyl-1-phosphonic acid hydrocarbyl ester, such as a 1-phenylvinylphosphonic acid dialkyl ester, which utilizes: (a) the base catalyzed addition (preferably using a nonnucleophilic strong organic base) of a hydrocarbyl phosphite, such as a dialkyl phosphite containing no more than about eight carbon atoms in either of its alkyl groups, to an aldehyde or methyl ketone, such as a phenyl ketone, as exemplified by acetophenone, to form a hydrocarbyl 1-hydroxy-1-hydrocarbylphosphonate, such as a dialkyl 1-hydroxy-1-phenylalkylphosphonate compound; (b) the acid-catalyzed esterification (preferably acetylation) of the compound from (a) with an acid anhydride to form an acylated intermediate; and (c) the removal of carboxylic acid (preferably at a temperature of from about 50° C. to about 215° C.
    Type: Grant
    Filed: September 9, 1996
    Date of Patent: August 6, 2002
    Assignee: Akzo Nobel NV
    Inventors: Alan M. Aaronson, John Tomko, Jeffrey E. Telschow, Johannes Hermanus Boelee, Fred Jaffe
  • Patent number: 6428845
    Abstract: A device for application of a gluing system of at least two components, such as a resin component and a hardener component comprising a unit of at least two hollow members, at least one member for each component, provided with a number of orifices in each member designed to apply the respective component onto a substrate below the hollow members to form strands, the hollow members being positioned above the plane of application, wherein the unit comprises means for adjusting the position of the orifices in at least one of the hollow members in relation to the position of the orifices in the other hollow members. The invention also relates to a method for applying a gluing system of at least two components, such as a resin component and a hardener component, in the form of strands, using the device.
    Type: Grant
    Filed: November 20, 2000
    Date of Patent: August 6, 2002
    Assignee: Akzo Nobel N.V.
    Inventor: Lennart Vesterlund
  • Patent number: 6425974
    Abstract: The process according to the present invention relates to the treatment of wastewater discharged from a bleach plant and more particularly treatment of bleach plant alkaline wash filtrate from treatment-steps and/or delignification/bleaching-steps of pulp. Further improvements of known processes are needed for solving the problems associated with the recovery of alkaline filtrates into the chemical recovery system. According to the process of the present invention, alkaline wash filtrate from treatment-steps and/or delignification/bleaching-steps of pulp is treated in a process by the following steps: i) treating at least a part of the alkaline filtrate in order to produce an alkaline concentrate enriched in high molecular weight dissolved organic compounds and a stream depleted in organic compounds, where the share of the alkaline concentrate to the total amount of the alkaline filtrate corresponds to a volume reduction factor (VRP) in the range of from about 2.0 up to about 7.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: July 30, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Patrick Bryant, Jiri Basta
  • Patent number: 6425879
    Abstract: The present invention relates to a needle-less injector having a housing comprising: a chamber defined within said injector for containing liquid to be injected; a liquid outlet for said chamber positioned at the front end of the injector; a dispensing member in contact with the liquid in said chamber and movable in a first direction to reduce the volume of said chamber to cause the liquid contained therein to be expelled through said liquid outlet; an impacting member arranged to strike said dispensing member to cause movement thereof in said first direction; drive means connected to the impacting member for actuating said injector, or permitting actuation thereof, in response to the application of a selected amount of axial pressure, characterized in that the housing is essentially unitary and the chamber, the liquid outlet and the drive means are immobile with respect to the housing, and that the injector comprises a pressure sensor in order to sense the axial pressure, which pressure sensor is connected t
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: July 30, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Willi Egger, Nicolaas Visser, Antonie Hendrikus Meijering
  • Patent number: 6423262
    Abstract: The invention pertains to a technique for determining the dye uptake or measuring one or more structural parameters or mechanical properties of polymeric fibres. This technique entails measuring the Raman spectrum of the fibres during or after a spinning process. After the Raman spectrum has been treated, a model is applied to it which is derived from the Raman spectra of fibres having the same chemical composition as the fibres to be examined.
    Type: Grant
    Filed: May 1, 2000
    Date of Patent: July 23, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Robert Jan Van Wijk, Anton Peter De Weijer, Dirk Albert Klarenberg, Roel De Jonge, Gert Jan Jongerden
  • Patent number: 6420540
    Abstract: The present invention relates to peptides immunoreactive with antibodies to Toxoplasma gondii, nucleic acid sequences encoding these peptides, recombinant vector molecules, comprising these nucleic acid sequences, host cells transformed with the recombinant vector molecule, immunochemical reagents comprising the peptides or antibodies directed against the peptides, a test kit for the detection of T. gondii infections as well as a vaccine for the protection against T. gondii infections. In particular the present invention provides peptides comprising part of the amino acid sequence as shown in SEQ ID No.: 1. preferred embodiment of the present invention are peptides comprising at least part of the amino acid sequence shown in SEQ ID No.: 3 or 5. It has been found that the peptides according to the present invention are particularly suitable for diagnosing T. gondii infected humans.
    Type: Grant
    Filed: November 4, 1998
    Date of Patent: July 16, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Marcus Josephus Marie Koolen, Johannes Jozef Wilhelmus De Haard
  • Patent number: 6416969
    Abstract: Disposable plates for performing microbial antibiotic susceptibility testing with multiple channels can be inoculated with a microorganism and antimicrobial agent. The antimicrobial agent may be presented as a gradient of concentrations in the plate. The susceptibility testing plates are configured to allow viewing of microbial growth, and/or to be received in an automated instrument which analyzes same.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: July 9, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Paul M. Matsumura, Jones M. Hyman, Scott R. Jeffrey, Martin J. Maresch, Thurman C. Thorpe, William G. Barron
  • Patent number: 6414206
    Abstract: The present invention relates to a process for preparing bisindenylalkanes of formula I: wherein R1, R2, R3, and R4 independently represent H or a C1-C6 hydrocarbon group or R1 and R2 or R1 and R3 or R3 and R4 together with the carbon atoms to which they are attached form a saturated or unsaturated 5- or 6-membered ring, said ring being optionally substituted with a C1-C4 hydrocarbon group, and R5 represents a C1-C6 hydrocarbon group, comprising reacting, at a temperature which does not exceed about 5° C., a metallated indene of formula II with a disubstituted hydrocarbon of formula III: wherein R1, R2, R3, R4, and R5 have the same meaning as defined above, M represents a metal ion, and X independently represents a suitable leaving group, in a suitable reaction medium wherein the molar ratio of II to III is 2.05 or higher. The process is particularly suitable for preparing bisindenylethane, i.e., R1-R4 represent H and R5 represents an ethylene group.
    Type: Grant
    Filed: February 22, 2001
    Date of Patent: July 2, 2002
    Assignee: Akzo Nobel NV
    Inventors: Richard Herman Woudenberg, Faysal Kalmoua
  • Patent number: 6413532
    Abstract: A repellent solid pest control system which includes a polymeric matrix, a liquid plasticizer, a pest control active ingredient and triphenyl phosphate as a carrier for the active ingredient. Protection of dogs from bites of phlebotomine sandflies by using systems according to the inventor for the control of canine leishmaniasis.
    Type: Grant
    Filed: October 3, 2000
    Date of Patent: July 2, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Catherine Focheux, Marie Pierre Puech, Robert Killick-Kendrick, Mireille Killick-Kendrick
  • Patent number: 6414312
    Abstract: A method for controlling a process for the production of a cellulose fiber containing product, during which at least two substances having a substantial influence on the same property of said product in correspondence to the relation between them are added, whereby a calibration model has been established by linking reference property values and corresponding reference relations, by means of a mathematical function, and in that the method comprises applying the calibration model on the actual relation in order to predict the property value; comparing the predicted property value with a desired target property value; and, if said predicted value is not substantially equal to said target value, adjusting the actual relation in a predetermined way; and repeating these operations until said predicted value is substantially equal to said target value.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: July 2, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Sofia Nordin, Bo Johnsson, Björn Engström
  • Patent number: 6413429
    Abstract: Claimed are a process and an apparatus for extracting a component dissolved in a liquid by means of liquid-liquid extraction using an extraction liquid which is immiscible or only partially miscible with the liquid, in which process the extraction liquid is dispersed in the liquid in a dispersion apparatus and then coalesced in a coalescer, after which the ex traction liquid, the specific weight of which differs by at least 5% from the specific weight of the liquid to be extracted in which the component to be extracted is to be found, is separated from the liquid by gravity in a phase separator in which process in order to obtain an efficiency per extraction stage of at least 0.9 at an average residence time of at most 15 seconds in the dispersion apparatus and of at most 300 seconds in the phase separator, at a linear velocity in the coalescer related to its cross-section of at least 30 m/hour: a.
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: July 2, 2002
    Assignee: Akzo Nobel NV
    Inventors: Berthold Berend Breman, Jan Visser
  • Patent number: 6410592
    Abstract: The present invention relates to aminomethylcarboxylic acid derivatives general formula (I), wherein Z is (CH2)n, O, S, SO, SO2 or N—R5; n is 0, 1 or 2; X represents 1-3 substituents independently selected from hydrogen, halogen, (C1-6)alkyloxy, (C3-6)cycloalkyloxy, (C6-12)aryloxy, (C6-12)aryl, thienyl, SR6, SOR6, SO2R6, NR6R6, NHR6, NH2, NHCOR6, NSO2R6, CN, COOR6 and (C1-4)alkyl, optionally substituted with halogen, (C6-12)aryl, (C1-6)alkyloxy or (C6-12)aryloxy; or 2 substituents at adjacent positions together represent a fused (C5-6)aryl group, a fused (C5-6)cycloalkyl ring or O—(CH2)m—O; m is 1 or 2; Y represents 1-3 substituents independently selected from hydrogen, halogen, (C1-4)alkyloxy, SR6, NR6R6 and (C1-4)alkyl, optionally substituted with halogen; R1 is COOR7 or CONR8R9; R2 and R6 are (C1-4)alkyl; R3, R4 and R5 are independently hydrogen or (C1-4)alkyl; R7, R8 and R9 are independently hydrogen, (C1-4)alkyl, (C6-12)aryl or arylalkyl; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: January 25, 2001
    Date of Patent: June 25, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: S. G. Gibson, D. R. Jaap, S. N. Thorn, R. R. Gilfillan
  • Patent number: 6410684
    Abstract: Serine protease inhibitors, prodrugs thereof and pharmaceutically acceptable salts thereof are disclosed. The serine protease inhibitors exhibit anticoagulant activity and are useful for treating or preventing thrombin related diseases.
    Type: Grant
    Filed: September 1, 1998
    Date of Patent: June 25, 2002
    Assignee: Akzo Nobel N.V.
    Inventor: Anton Egbert Peter Adang