Patents by Inventor Maurice M. Kreevoy

Maurice M. Kreevoy 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).

  • Bretylium compositions and kits and their use in preventing and treating cardiovascular conditions
    Patent number: 6884792
    Abstract: The present invention is directed to novel pharmaceutical combinations including compositions and kits comprising bretylium as the active ingredient, as well as methods for preventing and/or treating conditions related to the cardiovascular system using such novel pharmaceutical combinations.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: April 26, 2005
    Inventors: Marvin B. Bacaner, Maurice M. Kreevoy
  • Novel bretylium compositions and kits and their use in preventing and treating cardiovascular conditions
    Publication number: 20030119794
    Abstract: The present invention is directed to novel pharmaceutical combinations including compositions and kits comprising bretylium as the active ingredient, as well as methods for preventing and/or treating conditions related to the cardiovascular system using such novel pharmaceutical combinations.
    Type: Application
    Filed: October 15, 2002
    Publication date: June 26, 2003
    Inventors: Marvin B. Bacaner, Maurice M. Kreevoy
  • Novel quarternary ammonium compositions coupled with facilitating anions and their use in kits, as well as their use in preventing and treating certain conditions
    Publication number: 20030065015
    Abstract: This invention is directed to novel pharmaceutical compositions and kits comprising quaternary ammonium salts as the active ingredient and facilitating anions for their absorption into the bloodstream and transportation to the end sites, as well as methods which use such compositions and kits for preventing and/or treating conditions for which the drugs are used to treat.
    Type: Application
    Filed: May 13, 2002
    Publication date: April 3, 2003
    Inventors: Marvin B. Bacaner, Maurice M. Kreevoy
  • Bretylium compositions and kits, and their use in preventing and treating cardio-vascular conditions
    Patent number: 6482811
    Abstract: This invention is directed to novel pharmaceutical compositions and kits comprising bretylium as the active ingredient, as well as methods which use such compositions and kits for preventing and/or treating conditions related to the cardiovascular system.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: November 19, 2002
    Inventors: Marvin B. Bacaner, Maurice M. Kreevoy
  • Liquid membrane system for the removal of nitrate from water
    Patent number: 4737309
    Abstract: Quaternary ammonium salts are disclosed which are highly effective as complexing agents for the extraction of hydrogen ion and anions such as nitrate from an aqueous feed solution via a coupled ion transport mechanism employing supported liquid membranes.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: April 12, 1988
    Assignee: Regents of the University of Minnesota
    Inventors: Maurice M. Kreevoy, Ann T. Kotchevar
  • Stabilized liquid films
    Patent number: 4710205
    Abstract: Composite polymeric transport membrane structures feature an ultra-thin polymeric membrane skin having microscopic pores therein forming an anisotropic microporous film combined with a relatively thick macroporous polymeric support substrate membrane which carries the skin. A quantity of liquid transport medium in the pores of the ultra-thin membrane skin enhances transport of one or more species of interest and wets the surface of the pores. The microscopic pores are of a size such that the vapor pressure of the liquid transport medium contained therein is reduced by an amount equal to or greater than that theoretically predicted by the Kelvin effect. Methods of activating the membrane with the transport mediums are also disclosed.
    Type: Grant
    Filed: March 16, 1987
    Date of Patent: December 1, 1987
    Assignee: Honeywell Inc.
    Inventors: David W. Deetz, Maurice M. Kreevoy
  • Liquid membrane system for the removal of nitrate from water
    Patent number: 4661257
    Abstract: Quaternary ammonium salts are disclosed which are highly effective as complexing agents for the extraction of hydrogen ion and anions such as nitrate from an aqueous feed solution via a coupled ion transport mechanism employing supported liquid membranes.
    Type: Grant
    Filed: March 13, 1985
    Date of Patent: April 28, 1987
    Assignee: Regents of the University of Minnesota
    Inventors: Maurice M. Kreevoy, Ann T. Kotchevar