Patents Examined by Wm. Benston
  • Solid and porous single dosage form comprising particles in the form of beads and its preparation
    Patent number: 5417985
    Abstract: This invention relates to new solid and porous single dosage form comprising beads and its preparation.This new solid single dosage form applies to the administration of therapeutically active substances, nutrition agents, diagnostic agents or cosmetic agents.
    Type: Grant
    Filed: May 6, 1993
    Date of Patent: May 23, 1995
    Assignee: Farmalyoc
    Inventors: Anne Coutel, Guy Lebreton, Michel Veillard
  • Amantadine hydrochloride suspension with enhanced dissolution characteristics for use in soft gelatin capsules
    Patent number: 5275821
    Abstract: There are provided, novel no or low wax formulations for amantadine hydrochloride and methods for preparing such formulations.
    Type: Grant
    Filed: June 5, 1992
    Date of Patent: January 4, 1994
    Assignee: The Du Pont Merck Pharmaceutical Company
    Inventor: George Torosian
  • Insecticidal aerosol
    Patent number: 5137713
    Abstract: An insecticidal composition for aerosols comprises 2,4-dioxo-1-(2-propynyl)imidazolidin-3-ylmethyl chrysanthemate as an active ingredient and an organic solvent containing at least one aromatic hydrocarbon having 12 to 20 carbon atoms and kerosene in a weight ratio of said aromatic hydrocarbon to kerosene of 1:20 to 4:1. The aerosol according to the present invention has an excellent insecticidal activity.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: August 11, 1992
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kazunobu Dohara, Satoshi Sembo