Patents Represented by Attorney, Agent or Law Firm William M. Blackstone
  • 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
  • Patent number: 6403573
    Abstract: The invention relates to a compound having formula (I) wherein A is an optionally unsaturated 5- or 6-membered ring, which may comprise a heteroatom selected from N,O and S and which may be substituted with oxo or (1-6C) alkyl; R1, R2 and R3 are independently H, (1-6C) alkyl, (1-6C) alkoxy,(1-6C) alkoxy-(1-6C) alkyl, carbo(1-6C) alkoxy or halogen; X is O or S; and n is 1 or 2; or a pharmaceutically acceptable salt thereof, with the exception of 3-(naphth-1-yl-oxy)-pyrrolidin and 3-(5,6,7,8-tetrahydro-napth-1-yl-oxy)-pyrrolidin. The compounds of the invention have antidepressant activity and can be used in treating or preventing serotonin-related diseases.
    Type: Grant
    Filed: May 30, 2001
    Date of Patent: June 11, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Dirk Leysen, Johannes Hubertus Wieringa, Christophorus Louis Eduard Broekkamp
  • Patent number: 6391339
    Abstract: The invention relates to the use of a certain oligosaccharide for preventing clotting in an extracorporeal blood circuit of a patient undergoing extracorporeal blood treatment.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: May 21, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Jacobus Christianus Johannes Stiekema, Jean Marc Herbert
  • Patent number: 6391563
    Abstract: A process for the determination of the presence or concentration of a polyepitopic antigen in a specimen, comprising contacting the specimen with a first reagent comprising one or more monoclonal antibodies to form a conjugate comprising monoclonal antibodies in the first reagent and an antigen in the specimen having epitopes to which said monoclonal antibodies are immunoreactive; contacting the conjugate so formed with a second reagent comprising one or more monoclonal antibodies to form a conjugate comprising the antigen, the monoclonal antibodies from the first reagent and the monoclonal antibodies from the second reagent, wherein one of the first and second reagents comprises two different monoclonal antibodies and the antibodies in the first reagent and the antibodies in the second reagent comprises three different monoclonal antibodies reactive with different epitopes on said antigen; and detecting the conjugate comprising the antigen and the three different monoclonal antibodies.
    Type: Grant
    Filed: December 8, 1993
    Date of Patent: May 21, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Anna M. G. Bosch, Antonius H. W. M. Schuurs, Wilhelmus J. H. M. Stevens, Bauke K. van Weemen
  • Patent number: 6387378
    Abstract: Disclosed herein is a device for storing and/or delivering an effective amount of biological or pharmaceutical material to an animal comprising a tube disposed to contain said biological or pharmaceutical material and sealed at its ends and adapted to provide an opening through which the biological or pharmaceutical material exits and is administered to an intended site of the animal.
    Type: Grant
    Filed: September 9, 1993
    Date of Patent: May 14, 2002
    Inventors: George P. Shibley, Karen K. Brown, Leszek J. Choromanski, Sharon A. Bryant
  • Patent number: 6387910
    Abstract: A novel drug for improving the circulation in the optic nerve head, which comprises as an active ingredient Lomerizine (I): or a pharmaceutically acceptable acid addition salt. The optic nerve head circulation improving drug of this invention can increase the blood flow in the optic nerve head with no or little systemic side effects such as hypotensive activity or heart rate increasing activity and is useful particularly for the treatment of normal tension glaucoma.
    Type: Grant
    Filed: October 2, 2000
    Date of Patent: May 14, 2002
    Assignee: Akzo Nobel N.V.
    Inventors: Hideaki Hara, Masamitsu Shimazawa, Yasushi Iwakura, Tetsuya Sugiyama
  • Patent number: 6313108
    Abstract: Novel, orally active androgens are 7&agr;-substituted &Dgr;14-nandrolone derivatives. The compounds satisfy the general formula: wherein R1 is O, (H,H), (H,OR), NOR, with R being hydrogen, (C1-6) alkyl, or (C1-6) acyl; R2 is selected from the group consisting of (C2-4) alkyl, (C2-4) alkenyl, or (C2-4) alkynyl, each optionally substituted by halogen; or R2 is cyclopropyl, or cyclopropenyl, each optionally substituted by (C1-2) alkyl, or halogen; R3 is hydrogen, (C1-2) alkyl, or ethenyl; R4 is (C1-2) alkyl; R5 is hydrogen, or (C1-15) acyl; and the dotted lines indicate optional bonds.
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: November 6, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Hubert Jan Jozef Loozen, Dirk Leysen, Jaap van der Louw
  • Patent number: 6313139
    Abstract: The present invention relates to certain novel benzylamine derivatives, to processes for their preparation, to pharmaceutical formulations containing them and to their use in medical therapy, particularly in the treatment of depression.
    Type: Grant
    Filed: July 22, 1999
    Date of Patent: November 6, 2001
    Assignee: Akzo Nobel N. V.
    Inventors: Fredericus Antonius Dijcks, Dirk Leysen, Joannes Theodorus Maria Linders, Gerardus Stephanus Franciscus Ruigt, Ian Craig Carlyle, Simon James Anthony Grove, Duncan Robertson Rae, Simon N. Thorn
  • Patent number: 6281243
    Abstract: The invention relates to a compound having formula (I) wherein A is an optionally unsaturated 5- or 6-membered ring, which may comprise a heteroatom selected from N, O and S and which may be substituted with oxo or (1-6C)alkyl; R1, R2 and R3 are independently H, (1-6C)alkyl, (1-6C)alkoxy, (1-6C)alkoxy(1-6C)-alkyl, carbo(1-6C)alkoxy or halogen; X is O or S; and n is 1 or 2; or a pharmaceutically acceptable salt thereof, with the exception of 3-(naphth-1-yl-oxy)-pyrolidin and 3-(5,6,7,8-tetmhydro-naphth-1-yl-oxy)-pyrolidin. The compounds of the invention have antidepressant activity and can be used in treating or preventing serotonin-related diseases.
    Type: Grant
    Filed: August 21, 2000
    Date of Patent: August 28, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Dirk Leysen, Johannes Hubertus Wieringa, Christophorus Louis Eduard Broekkamp
  • Patent number: 6270770
    Abstract: The present invention for the first time discloses a health problem in broilers at about 3-5 weeks, resulting in significant production losses, and demonstrates that these production losses can be prevented by a live attenuated CAA vaccine for mucosal administration.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: August 7, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Carla Christina Schrier, Pieter Matthijs Van Dijk
  • Patent number: 6262282
    Abstract: The invention relates to 17&bgr;-allyloxy(thio)alkyl-androstane derivatives having general formula (I) wherein R1 is (H, OR), (H, OSO3H) or NOR; with R being H, (C1-6)alkyl or (C1-6)acyl; each of R2 and R3 is independently hydrogen or (C1-6)alkyl; n is 0, 1 or 2; X is O, S, S(O) or S(O)2; each of R4 and R5 is independently hydrogen or (C1-4)alkyl; each of R6, R7 and R8 is independently hydrogen, phenyl, halogen or (C1-4)alkyl, optionally substituted by hydroxy, (C1-4) alkoxy or halogen; or R7 and R8 together with the carbon atom to which they are bound form a (C3-6)cycloalkane ring; or R6 and R7 together with the carbon atoms to which they are bound form a (C5-6) cycloalkene ring; and wherein the dotted lines indicate a &Dgr;7 or a &Dgr;8 double bond, or a pair of conjugated double bonds selected from &Dgr;7,14, &Dgr;8,14 and &Dgr;6,8(14); or a pharmaceutically acceptable salt thereof. The compounds of the invention have meiosis activating activity and can be used for the control of fertility.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: July 17, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Johannes Antonius Joseph Leemhuis, Jaap van der Louw, Marinus Bernard Groen
  • Patent number: 6251887
    Abstract: The invention relates to 17&bgr;-aryl(arylmethyl)oxy(thio)alkyl-androstane derivatives having general formula (I), wherein R1 is (H,OR), (H,OSO3H) or NOR; with R being H, (C1-6)alkyl or (C1-6)acyl; each of R2 and R3 is independently hydrogen or (C1-6)alyl; n is 0, 1, or 2; X is O, S, S(O) or S(O)2; m is 0 or 1; each of R4, R5 and R6 is independently hydrogen, hydroxy, (C1-4)alkoxy, halogen, NR7R8 or (C1-4)alkyl, optionally substituted by hydroxy, alkoxy, halogen or oxo; each of R7 and R8 is independently hydrogen or (C1-4)alkyl, and wherein the dotted lines indicate a &Dgr;7 or a &Dgr;8 double bond, or a pair of conjugated double bonds selected from &Dgr;7,14, &Dgr;8,14 and &Dgr;6,8(14); or a pharmaceutically acceptable salt thereof. The compounds of the invention have meiosis regulating activity and can be used for the control of fertility.
    Type: Grant
    Filed: June 16, 2000
    Date of Patent: June 26, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Christian Heijmans, Jaap van der Louw
  • Patent number: 6241991
    Abstract: The invention relates to a new aviadenovirus which was isolated from a pigeon. The aviadenovirus according to the present invention comprises group-I specific antigen and cannot be neutralized by antiserum against any of the FAV serotypes 1-12. The present invention also relates to an antibody or antiserum immunoreactive with a fibre of the new aviadenovirus, a fibre thereof as well as a vaccin against PiAV related diseases comprising a chemically or physically inactivated virus an attenuated virus, a fibre or fragment thereof, a host cell transformed with a nucleic acid sequence encoding an amino acid sequence comprising an immunogenic determent or a functional variant thereof of a fibre of the aviadenovirus according to the present invention, together with a pharmaceutical carrier.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: June 5, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Guntram Paul, Michael Bernhard Hess
  • Patent number: 6232451
    Abstract: A process for the addition of an azide function to an organic compound in which process a mixture is prepared by adding an epoxide-derivative of the organic compound and an alkali metal azide salt to a solvent is described. The mixture is heated to a reaction temperature at which the epoxide-derivative and the azide can react to form an azide derivative of the organic compound. An amount, near equimolar to the epoxide derivative, of a (1-6C)alkyl-(2-4C)carboxylic acid ester having a boiling point above the reaction temperature is added to the mixture before and/or during the reaction.
    Type: Grant
    Filed: February 8, 2000
    Date of Patent: May 15, 2001
    Assignee: Akzo Nobel N.V.
    Inventor: Henricus Cornelis Jozephus Claassen
  • Patent number: 6232093
    Abstract: The invention relates to a simplified process for the extraction of heparin from animal mucosa tissue. The method consists of an enzymatic hydrolysis step of the raw material at ambient temperature, followed by hydrolysis for up to 6 hours at a temperature of 50-75° C. Raise in temperature is obtained by easy means. The digestion mixture can be further incubated while cooling down to ambient temperature. Heparin is recovered from anion exchanger present in the protein hydrolysate.
    Type: Grant
    Filed: January 3, 2000
    Date of Patent: May 15, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Francois Egbert Abraham Van Houdenhoven, Adrianus Lambertus Maria Sanders, Petrus Johannes Josephus Van Zuthpen
  • Patent number: 6225131
    Abstract: A device for performing an assay comprising a substrate having through-going channels that open out onto a surface for sample application, the channels being provided in at least one cross-sectional area with a first binding substance capable of binding a particular analyte, the substrate being an electrochemically manufactured metal oxide membrane and containing the first binding substance within the through-going channels.
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: May 1, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Hendrik Sibolt van Damme, Hermanus Johannes Maria Kreuwel
  • Patent number: 6221406
    Abstract: The invention relates to the preparation of enzyme pregranules with stable activity which can be incorporated into particles of a granular animal feed. The invention further relates to the pregranules with stable activity which are obtained by the preparative processes and can be incorporated into granular animal feeds.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: April 24, 2001
    Inventors: Beate Meschonat, Hubert A. Herrmann, Rolf Spannagel, Vera Sander, Gerhard Konieczny-Janda, Mario Sommer
  • Patent number: 6203801
    Abstract: The present invention relates to hydrophilic Eimeria polypeptides, DNA-fragments encoding those peptides, recombinant DNA molecules comprising such DNA-fragments, live recombinant carriers comprising such DNA-fragments or recombinant DNA molecules and host cells comprising such DNA-fragments, recombinant DNA molecules or live recombinant carriers. Furthermore, the invention relates to antibodies against the polypeptides and to coccidiosis vaccines based upon said polypeptides. The invention also relates to methods for the preparation of such antibodies and vaccines, and to methods for the detection of Eimeria parasites and antibodies against Eimeria parasites.
    Type: Grant
    Filed: October 4, 1999
    Date of Patent: March 20, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Theodorus Cornelis Schaap, Catharina Maria Kuiper, Arnoldus Nicolaas Vermeulen
  • Patent number: 6194409
    Abstract: The present invention relates to antithrombotic compounds comprising the group Q, Q having formula (I), wherein the substructure (i) is a structure selected from (a, b and c), wherein X is O or S; X′ being independently CH or N; and m is 0, 1, 2 or 3; wherein the group Q is bound through an oxygen atom or an optionally substituted nitrogen or carbon atom, or a pharmaceutically acceptable salt thereof or a prodrug thereof. The compounds of the invention are therapeutically active and in particular are antithrombotic agents.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: February 27, 2001
    Assignee: Akzo Nobel N.V.
    Inventors: Constant Adriaan Anton van Boeckel, Philippus Johannes Marie van Galen, Johannes Bernardus Maria Rewinkel