Patents by Inventor David Gustafsson

David Gustafsson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20020019371
    Abstract: There is provided compounds of formula I, 1
    Type: Application
    Filed: April 30, 2001
    Publication date: February 14, 2002
    Applicant: AstraZeneca AB
    Inventors: David Gustafsson, Jan-Erik Nystrom
  • Patent number: 6337343
    Abstract: There is provided amino acid derivatives of formula I, wherein p, q, R1, R2, R3, R4, Y, n and B have meanings given in the description which are useful as competitive inhibitors of trypsin-like proteases, such as thrombin, and in particular in the treatment of conditions where inhibition of thrombin is required (e.g. thrombosis) or as anticoagulants.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: January 8, 2002
    Assignee: AstraZeneca AB
    Inventors: David Gustafsson, Jan-Erik Nyström
  • Patent number: 6262028
    Abstract: There is provided compounds of formula I, R1O(O)C—CH2—(R)Cgl—Aze—Pab—R  I wherein R1 and R2 have meanings given in the description, which are useful as prodrugs of inhibitors of trypsin-like proteases, such as thrombin, and in particular in the treatment of conditions where inhibition of thrombin is required (eg thrombosis) or as anticoagulants.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: July 17, 2001
    Assignee: AstraZeneca AB
    Inventors: Thomas Antonsson, David Gustafsson, Kurt-Jürgen Hoffmann, Jan-Erik Nyström, Henrik Sörensen, Mikael Sellén
  • Patent number: 6255301
    Abstract: There is provided compounds of formula I, wherein R1, R2, R3, Rx, Y, n and B have meanings given in the description which are useful as competitive inhibitors of trypsin-like proteases, such as thrombin, and in particular in the treatment of conditions where inhibition of thrombin is required as in thrombosis or as anticoagulants.
    Type: Grant
    Filed: July 14, 1997
    Date of Patent: July 3, 2001
    Assignee: AstraZeneca AB
    Inventors: David Gustafsson, Jan-Erik Nyström
  • Patent number: 6051568
    Abstract: There is provided amino acid derivative formula I, ##STR1## wherein p, q, R.sup.1, R.sup.2, R.sup.3, R.sup.4, Y, n and B have meanings given in the description which are useful as competitive inhibitors of trypsin-like proteases, such as thrombin, and in particular in the treatment of conditions where inhibition of thrombin is required (e.g. thrombosis) or as anticoagulants.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: April 18, 2000
    Assignee: Astra Aktiebolag
    Inventors: David Gustafsson, Jan-Erik Nystrom
  • Patent number: 5965692
    Abstract: There is provided compounds of formula I,R.sup.1 O(O)C--CH.sub.2 --(R)Cgl-Aze-Pab-R.sup.2 Iwherein R.sup.1 and R.sup.2 have meanings given in the description, which are useful as prodrugs of inhibitors of trypsin-like proteases, such as thrombin, and in particular in the treatment of conditions where inhibition of thrombin is required (eg thrombosis) or as anticoagulants.
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: October 12, 1999
    Assignee: Astra AB
    Inventors: David Gustafsson, Jan-Erik Nystrom, Henrik Sorensen, Mikael Sellen
  • Patent number: 5939392
    Abstract: The invention relates to new competitive tripeptide inhibitors of trypsin-like serine proteases, their synthesis, pharmaceutical compositions containing the compounds as active ingredients, and the use of the compounds as thrombin inhibitors, anticoagulants and antiinflammatory inhibitors for prophylaxis and treatment of related diseases.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 17, 1999
    Assignee: Astra Aktiebolag
    Inventors: Karl Thomas Antonsson, Ruth Elvy Bylund, Nils David Gustafsson, Nils Olov Ingemar Nilsson
  • Patent number: 5856307
    Abstract: The invention relates to compounds of the formulaA.sup.1 --A.sup.2 --NH--(CH.sub.2).sub.n --B Formula IandA.sup.1 --A.sup.2 --NH--(CH.sub.2).sub.n --B--D Formula Vas well as stereoisomers and physiologically acceptable salts thereof which act as competitive inhibitors of trypsin-like serine proteases, particularly kininogenases. The invention further relates to pharmaceutical compositions containing the compounds as active ingredients and the use of the compounds as kininogenase inhibitors and in the treatment of diseases related to kinin formation.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: January 5, 1999
    Assignee: Astra Aktiebolag
    Inventors: Karl Thomas Antonsson, Ruth Elvy Bylund, Nils David Gustafsson, Nils Olov Ingemar Nilsson
  • Patent number: 5783563
    Abstract: A method is disclosed for treatment or prophylaxis of venous thrombosis employing the peptide HOOC--CH.sub.2 --(R)Cgl--aze--Pab or a stereoisomer thereof or a physiologically acceptable salt thereof.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 21, 1998
    Assignee: Astra Aktiebolag
    Inventors: Karl Thomas Antonsson, Ruth Elvy Bylund, Nils David Gustafsson, Nils Olov Ingemar Nilsson
  • Patent number: 5780631
    Abstract: The invention concerns the compounds of the formulas: ##STR1## and protected forms and salts thereof which serve as starting materials in an improved method of synthesizing serine protease inhibitors. The invention further concerns an improved method for synthesizing serine protease inhibitors which utilizes the compounds.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: July 14, 1998
    Assignee: Astra Aktiebolag
    Inventors: Karl Thomas Antonsson, Ruth Elvy Bylund, Nils David Gustafsson, Nils Olov Ingemar Nilsson
  • Patent number: 5723444
    Abstract: The invention concerns the compounds of the formulas: ##STR1## and protected forms and salts thereof which serve as starting materials in an improved method of synthesizing thrombin and kininogenase inhibitors. The invention further concerns an improved method for synthesizing the inhibitors which utilizes the compounds.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: March 3, 1998
    Assignee: Astra AB
    Inventors: Karl Thomas Antonsson, Ruth Elvy Bylund, Nils David Gustafsson, Nils Olov Ingemar Nilsson