Patents by Inventor John L. Krstenansky

John L. Krstenansky 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: 20220296584
    Abstract: A method of inducing anesthesia, sedation, and a method for treating disorders including central nervous system disorder, peripheral nervous system disorder, depression ischemia, and treatment with an anticonvulsant by administering an effective amount of a compound to a subject in need thereof.
    Type: Application
    Filed: October 29, 2021
    Publication date: September 22, 2022
    Inventors: James M. SONNER, John L. KRSTENANSKY
  • Publication number: 20200375958
    Abstract: A method of inducing anesthesia, sedation, and a method for treating disorders including central nervous system disorder, peripheral nervous system disorder, depression ischemia, and treatment with an anticonvulsant by administering an effective amount of a compound to a subject in need thereof.
    Type: Application
    Filed: April 23, 2018
    Publication date: December 3, 2020
    Inventors: James M. Sonner, John L. KRSTENANSKY
  • Publication number: 20180303821
    Abstract: A method of inducing anesthesia, sedation, and a method for treating disorders including central nervous system disorder, peripheral nervous system disorder, depression ischemia, and treatment with an anticonvulsant by administering an effective amount of a compound to a subject in need thereof.
    Type: Application
    Filed: December 4, 2017
    Publication date: October 25, 2018
    Inventors: James M. Sonner, John L. Krstenansky
  • Patent number: 6051686
    Abstract: Synthetic polypeptide analogs of parathyroid hormone PTH, parathyroid hormone related peptide PTHrp, and of the physiologically active truncated homologs and analogs of PTH and PTHrp, in which amino acid residues (22-31) form an amphipathic .alpha.-helix, said residues (22-31) selected from hydrophilic amino acids (Haa) and lipophilic amino acids (Laa) ordered in the sequence:Haa(Laa Laa Haa Haa).sub.2 Laaand their pharmaceutically acceptable salts are useful for the prophylaxis and treatment of ostoporosis in mammals. Processes for the production of the polypeptides via solid phase and recombinant methods are provided.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: April 18, 2000
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John L. Krstenansky, John J. Nestor, Jr., Teresa H. Ho, Brian H. Vickery, Chinh T. Bach
  • Patent number: 6005071
    Abstract: This invention relates to peptide derivatives which are useful anticoagulant agents.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: December 21, 1999
    Assignee: Merrell Pharmaceuticals Inc.
    Inventors: John L. Krstenansky, Simon J. T. Mao
  • Patent number: 5874086
    Abstract: Synthetic polypeptide analogs of parathyroid hormone PTH, parathyroid hormone related peptide PTHrp, and of the physiologically active truncated homologs and analogs of PTH and PTHrp, in which amino acid residues (22-31) form an amphipathic .alpha.-helix, said residues (22-31) selected from hydrophilic amino acids (Haa) and lipophilic amino acids (Laa) ordered in the sequence:Haa(Laa Laa Haa Haa).sub.2 Laaand their pharmaceutically acceptable salts are useful for the prophylaxis and treatment of ostoporosis in mammals. Processes for the production of the polypeptides via solid phase and recombinant methods are provided.
    Type: Grant
    Filed: January 18, 1994
    Date of Patent: February 23, 1999
    Assignee: Syntex (U.S.A,), Inc.
    Inventors: John L. Krstenansky, John J. Nestor, Teresa H. Ho, Brian H. Vickery, Chinh T. Bach
  • Patent number: 5840837
    Abstract: Synthetic polypeptide analogs of parathyroid hormone PTH, parathyroid hormone related peptide PTHrp, and of the physiologically active truncated homologs and analogs of PTH and PTHrp, in which amino acid residues (22-31) form an amphipathic .alpha.-helix, said residues (22-31) selected from hydrophilic amino acids (Haa) and lipophilic amino acids (Laa) ordered in the sequence:Haa(Laa Laa Haa Haa).sub.2 Laaand their pharmaceutically acceptable salts are useful for the prophylaxis and treatment of ostoporosis in mammals. Processes for the production of the polypeptides via solid phase and recombinant methods are provided.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: November 24, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John L. Krstenansky, John J. Nestor, Teresa H. Ho
  • Patent number: 5834433
    Abstract: A method for controlling the growth of tumor tissues, especially small cell lung. Treatment comprises administering to a patient in need thereof, an effective amount of a bombesin/GRP type inhibitor.Antagonists of bombesin/GRP which are derivatives of naturally occurring bombesin/GRP possessing a thiomethylene or methylene sulfoxide bond connecting the two amino acids on the carboxy terminal end is modified are described. The antagonism is confirmed using conventional competitive binding and biochemical assays as well as conventional physiological tests and the use of these derivatives in a variety of conditions in which bombesin/GRP is implicated is also described.
    Type: Grant
    Filed: February 23, 1996
    Date of Patent: November 10, 1998
    Assignee: Merrell Pharmaceuticals Inc.
    Inventor: John L. Krstenansky
  • Patent number: 5830863
    Abstract: Antagonists of neurokinin A which are derivatives of naturally occurring neurokinin A in which the amide bond connecting the two amino acids on the carboxy terminal end is modified are described. The antagonism is confirmed using conventional competitive binding and biochemical assays as well as conventional physiological tests and the use of these derivatives in a variety of conditions in which neurokinin A is implicated is also described.
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: November 3, 1998
    Assignee: Merrell Pharmaceuticals Inc.
    Inventors: Stephen H. Buck, Scott L. Harbeson, John L. Krstenansky, Chester F. Hassman, III, James R. McCarthy
  • Patent number: 5807823
    Abstract: Synthetic polypeptide analogs of parathyroid hormone PTH, parathyroid hormone related peptide PTHrp, and of the physiologically active truncated homologs and analogs of PTH and PTHrp, in which amino acid residues (22-31) form an amphipathic .alpha.-helix, said residues (22-31) selected from hydrophilic amino acids (Haa) and lipophilic amino acids (Laa) ordered in the sequence:Haa(Laa Laa Haa Haa).sub.2 Laaand their pharmaceutically acceptable salts are useful for the prophylaxis and treatment of ostoporosis in mammals. Processes for the production of the polypeptides via solid phase and recombinant methods are provided.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: September 15, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John L. Krstenansky, John J. Nestor, Brian H. Vickery
  • Patent number: 5798225
    Abstract: Synthetic polypeptide analogs of parathyroid hormone PTH, parathyroid hormone related peptide PTHrp, and of the physiologically active truncated homologs and analogs of PTH and PTHrp, in which amino acid residues (22-31) form an amphipathic .alpha.-helix, said residues (22-31) selected from hydrophilic amino acids (Haa) and lipophilic amino acids (Laa) ordered in the sequence:Haa(Laa Laa Haa Haa).sub.2 Laaand their pharmaceutically acceptable salts are useful for the prophylaxis and treatment of ostoporosis in mammals. Processes for the production of the polypeptides via solid phase and recombinant methods are provided.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: August 25, 1998
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John L. Krstenansky, John J. Nestor, Teresa H. Ho, Brian H. Vickery, Chinh T. Bach
  • Patent number: 5789540
    Abstract: This invention relates to peptide derivatives which are useful anticoagulant agents.
    Type: Grant
    Filed: March 28, 1995
    Date of Patent: August 4, 1998
    Assignee: Merrell Pharmaceuticals Inc.
    Inventors: John L. Krstenansky, Simon J. T. Mao
  • Patent number: 5695955
    Abstract: Synthetic polypeptide analogs of parathyroid hormone PTH, parathyroid hormone related peptide PTHrp, and of the physiologically active truncated homologs and analogs of PTH and PTHrp, in which amino acid residues (22-31) form an amphipathic .alpha.-helix, these residues (22-31) selected from hydrophilic amino acids (Haa) and lipophilic amino acids (Laa) ordered in the sequence:Haa (Laa Laa Haa Haa).sub.2 Laaand their pharmaceutically acceptable salts are useful for the prophylaxis and treatment of ostoporosis in mammals. Processes for the production of the polypeptides via solid phase and recombinant methods are provided.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: December 9, 1997
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John L. Krstenansky, John J. Nestor, Jr., Teresa H. Ho, Brian H. Vickery, Chinh T. Bach
  • Patent number: 5693616
    Abstract: Synthetic polypeptide analogs of parathyroid hormone PTH, parathyroid hormone related peptide PTHrp, and of the physiologically active truncated homologs and analogs of PTH and PTHrp, in which amino acid residues (22-31) form an amphipathic .alpha.-helix, said residues (22-31) selected from hydrophilic amino acids (Haa) and lipophilic amino acids (Laa) ordered in the sequence:Haa (Laa Laa Haa Haa).sub.2 Laaand their pharmaceutically acceptable salts are useful for the prophylaxis and treatment of osteoporosis in mammals. Processes for the production of the polypeptides via solid phase and recombinant methods are provided.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: December 2, 1997
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John L. Krstenansky, John J. Nestor, Jr., Brian H. Vickery
  • Patent number: 5681925
    Abstract: Novel compounds which contain a thrombin catalytic-site inhibitor coupled with an anion binding exosite associating moiety via an RGD-X bridging sequence are trifunctional anticoagulants useful in treating venous or arterial thrombotic conditions.
    Type: Grant
    Filed: July 17, 1995
    Date of Patent: October 28, 1997
    Assignee: Merrell Pharmaceuticals Inc.
    Inventors: Robert J. Broersma, Jr., Thomas J. Owen, John L. Krstenansky
  • Patent number: 5589452
    Abstract: Synthetic polypeptide analogs of parathyroid hormone PTH, parathyroid hormone related peptide PTHrp, and of the physiologically active truncated homologs and analogs of PTH and PTHrp, in which amino acid residues (22-31) form an amphipathic .alpha.-helix, said residues (22-31) selected from hydrophilic amino acids (Haa) and lipophilic amino acids (Laa) ordered in the sequence:Haa(Laa Laa Haa Haa).sub.2 Laaand their pharmaceutically acceptable salts are useful for the prophylaxis and treatment of ostoporosis in mammals. Processes for the production of the polypeptides via solid phase and recombinant methods are provided.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: December 31, 1996
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: John L. Krstenansky, John J. Nestor, Jr., Teresa H. Ho, Brian H. Vickery, Chinh T. Bach
  • Patent number: 5574012
    Abstract: This invention relates to peptide derivatives which are useful anticoagulant agents.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: November 12, 1996
    Assignee: Merrell Pharmaceuticals Inc.
    Inventors: John L. Krstenansky, Robert J. Broersma, Jr.
  • Patent number: 5541161
    Abstract: This invention relates to peptide derivatives which are useful anticoagulant agents.
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: July 30, 1996
    Assignee: Merrell Pharmaceuticals Inc.
    Inventors: John L. Krstenansky, Simon J. T. Mao
  • Patent number: 5495000
    Abstract: This invention relates to peptide derivatives which are useful anticoagulant agents.
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: February 27, 1996
    Assignee: Merrell Pharmaceuticals Inc.
    Inventor: John L. Krstenansky
  • Patent number: 5395823
    Abstract: Agonists of NPY which are derivatives of naturally occurring NPY. The agonism is confirmed using conventional competitive binding and biochemical assays and the use of these derivatives in a variety of conditions in which neuropeptide Y is implicated is also described.
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: March 7, 1995
    Assignee: Merrell Dow Pharmaceuticals Inc.
    Inventor: John L. Krstenansky