Patents Examined by Gary L. King
  • Patent number: 6919087
    Abstract: An amlodipine maleate pharmaceutical composition is provided with good stability when formulated with a pH within the range of 5.5 to 7, when measured as a 20 wt % aqueous slurry. The stability can also be aided by making the pharmaceutical composition from amlodipine maleate particles having an average particle size of greater than 20 microns, preferably greater than 100 microns.
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: July 19, 2005
    Assignee: Synthon BV
    Inventors: Jacobus M. Lemmens, Frans van Dalen, Arlette Vanderheijden
  • Patent number: 6902737
    Abstract: The nanoemulsion according to the invention comprises an oily phase dispersed in an aqueous phase, having oil globules with a number-average size less than 100 nm, characterized in that it contains a ternary surfactant system comprising: a) a mixture of at least two nonionic surfactants comprising at least one ethoxylated fatty ester comprising 8 to 100 ethylene oxide units and at least one fatty acid ester of sorbitan; and b) at least one ionic surfactant chosen from alkali metal salts of cetyl phosphate and alkali metal salts of palmitoyl sarcosinate. Use in the manufacture of cosmetic, dermatological and ophthalmological compositions.
    Type: Grant
    Filed: January 14, 2002
    Date of Patent: June 7, 2005
    Assignee: L'Oreal
    Inventor: Eric Quemin