Patents by Inventor Stewart Thomas Leslie

Stewart Thomas Leslie 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).

  • Pharmaceutical iodine compositions with reduced irritancy
    Patent number: 5709851
    Abstract: A stable pharmaceutical composition with reduced irritancy is provided, the composition comprising an aqueous solution of elemental iodine and at least one organic substance which reacts with iodine, whereby iodine loss is controlled by providing a source of iodate ions in an amount sufficient to provide from 0.01% to 0.04% by weight iodate ions, preferably from 0.02% to 0.03% by weight iodate ions.
    Type: Grant
    Filed: May 16, 1994
    Date of Patent: January 20, 1998
    Assignee: Euro-Celtique, S.A.
    Inventors: Ian Richard Buxton, Stewart Thomas Leslie, Sandra Therese Antoinette Malkowska, Allan John Miller, Ronald Brown Miller, Derek Allan Prater
  • Pharmaceutical spheroid formulation
    Patent number: 5670172
    Abstract: A controlled release composition including spheroid cores of diltiazem or a pharmaceutically acceptable salt thereof and optionally a spheronizing agent, the cores being coated with a controlled release layer, and a method of manufacturing the same, is disclosed. The spheronizing agent when present is preferably microcrystalline cellulose. Ethylcellulose is a preferred release coating. The controlled release coating preferably contains a plasticizer, a surfactant and a tack-modifier.
    Type: Grant
    Filed: April 21, 1995
    Date of Patent: September 23, 1997
    Assignee: Euro-Celtique, S.A.
    Inventors: Ian Richard Buxton, Helen Critchley, Stewart Thomas Leslie, Derek Allan Prater, Ronald Brown Miller, Sandra Therese Antoinette Malkowska
  • Slow release pharmaceutical compositions
    Patent number: 3965256
    Abstract: Slow release pharmaceutical compositions comprising a combination of a higher aliphatic alcohol and a hydrated hydroxy-alkyl cellulose in ratio of from 2:1 to 4:1 parts by weight and comprising from 20 to 40 percent by weight of the composition; the method for making the same, and their inclusion in pharmaceutical dosage forms intended for oral administration, to provide a slow release of a therapeutically active compound during a predetermined period of time of from 5 to 10 hours, after oral ingestion by humans and animals.
    Type: Grant
    Filed: June 5, 1974
    Date of Patent: June 22, 1976
    Assignee: Synergistics
    Inventor: Stewart Thomas Leslie