Patents by Inventor Jurij Stekar

Jurij Stekar 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).

  • Disease treatment with novel phospholipid derivatives
    Patent number: 6903080
    Abstract: A method of treating protozoal and fungal diseases is described, in which an effective amount of a compound of formula I is administered to a host having a protozoal or fungal disease.
    Type: Grant
    Filed: November 8, 2002
    Date of Patent: June 7, 2005
    Assignee: Zentaris GmbH
    Inventors: Gerhard Nossner, Bernhard Kutscher, Jurgen Engel, Wolfgang Schumacher, Margrit Stekar, Peter Hilgard, Jurij Stekar
  • Novel phospholipid derivatives
    Publication number: 20030153533
    Abstract: Novel phospholipid derivatives of the General Formula I: 1
    Type: Application
    Filed: November 8, 2002
    Publication date: August 14, 2003
    Applicant: Zentaris AG
    Inventors: Gerhard Nossner, Bernhard Kutscher, Jurgen Engel, Wolfgang Schumacher, Jurij Stekar, Peter Hilgard
  • Methods of using therapeutic phospholipid derivatives
    Patent number: 6479472
    Abstract: A method of treating protozoal and fungal diseases is described, in which an effective amount of a compound of formula I is administered to a host having a protozoal or fungal disease.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: November 12, 2002
    Assignee: Asta Medica Aktiengesellschaft
    Inventors: Gerhard Nössner, Bernhard Kutscher, Jürgen Engel, Wolfgang Schumacher, Jurij Stekar, Peter Hilgard
  • Phospholipid derivatives
    Patent number: 6172050
    Abstract: Phospholipid derivatives of Formula X: wherein A is the ring system in which R is a linear or branched alkyl radical having 10 to 24 carbon atoms which may contain one or more double or triple bonds; R1 and R2 are independently hydrogen or linear alkyl radicals having 1 to 3 carbon atoms; y is 0, 1, 2 or 3; m and n are independently 0 or in an integer, with the proviso that m+n is between 2 and 8; or A is a tropanio or quinuclidinio ring system, which is linked via a carbon-carbon bond and is optionally substituted by one or more methyl groups; processes for the preparation of the derivatives, and methods for treating tumors therewith.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: January 9, 2001
    Assignee: Asta Medica Aktiengesellschaft
    Inventors: Gerhard Nössner, Bernhard Kutscher, J{umlaut over (u)}rgen Engel, Wolfgang Schumacher, Jurij Stekar, Peter Hilgard
  • Phospholipid derivatives containing higher elements of the fifth main group
    Patent number: 5958906
    Abstract: Phospholipid derivatives containing higher elements of the Vth main group (P, As, Sb, Bi), their method of preparation and antineoplastic and antimicrobially active medications that can be prepared from the phospholipid derivatives.
    Type: Grant
    Filed: May 7, 1997
    Date of Patent: September 28, 1999
    Assignee: ASTA-Medica Aktiengesellschaft
    Inventors: Gerhard Nossner, Jurij Stekar, deceased, Peter Hilgard, Bernhard Kutscher, Jurgen Engel
  • Phospholipid derivatives containing higher elements of the fifth group
    Patent number: 5637577
    Abstract: Phospholipid derivatives containing higher elements of the Vth main group (P, As, Sb, Bi), their method of preparation and antineoplastic and antimicrobially active medications that can be prepared from the phospholipid derivatives.
    Type: Grant
    Filed: April 14, 1995
    Date of Patent: June 10, 1997
    Assignee: Asta Medica Aktiengesellschaft
    Inventors: Gerhard Nossner, Jurij Stekar, Peter Hilgard, Bernhard Kutscher, Jurgen Engel
  • Phospholipid derivatives containing higher elements of the fifth group
    Patent number: 5449798
    Abstract: Phospholipid derivatives containing higher elements of the Vth main group (P, As, Sb, Bi), their method of preparation and antineoplastic and antimicrobially active medications that can be prepared from the phospholipid derivatives.
    Type: Grant
    Filed: September 22, 1993
    Date of Patent: September 12, 1995
    Assignee: Asta Medica Aktiengesellschaft
    Inventors: Gerhard Nossner, Jurij Stekar, Peter Hilgard, Bernhard Kutscher, Jurgen Engel
  • Octadecyl-[2-(N-methylpiperidino)-ethyl]-phosphate and a process for its preparation
    Patent number: 5219866
    Abstract: Octadecyl-[2-(N-methylpiperidino)-ethyl]-phosphate and a process for its preparation. This compound is useful for the treatment of cancer.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: June 15, 1993
    Assignee: Asta Medica AG
    Inventors: Wolfgang Schumacher, Jurgen Engel, Gerhard Nossner, Bernhard Kutscher, Jurij Stekar, Peter Hilgard
  • Process for the treatment of humans suffering from undesired urotoxic side effects caused by cytostatically active alkylating agents
    Patent number: 4218471
    Abstract: The invention is related to a process for the treatment of humans suffering from undesired urotoxic side effects caused by cytostatically active alkylating agents administered to them against malign tumors, comprising administering a pharmacologically acceptable salt of a dithiodi-(alkane sulfonic acid) having the general formula ##STR1## to the human treated with the cytostatically active alkylating agent, in an amount ranging from 20% of the weight of the alkylating agent to the highest tolerated dosage of the salt of the dithiodi-(alkane sulfonic acid), simultaneously or separately in combination with the alkylating agent.
    Type: Grant
    Filed: February 6, 1979
    Date of Patent: August 19, 1980
    Assignee: Asta-Werke Aktiengesellschaft Chemische Fabrik
    Inventors: Norbert Brock, Jurij Stekar