Patents Assigned to PRESPERSE CORPORATION
  • Patent number: 8506975
    Abstract: Silicone-free compositions including hydrocarbons of widely different structures and origins combined with coated particles are provided which have both aesthetic and volatility properties similar to cyclopentasiloxane dispersions. The compositions are useful as full or partial replacement products for dispersions of cyclopentasiloxane, or “volatile silicones.” The compositions are useful in UV-attenuating formulations including skin care products, color cosmetics, pharmaceutical products and especially sun care products such as sunblocks, sunscreens, tanning lotions, and the like.
    Type: Grant
    Filed: December 9, 2009
    Date of Patent: August 13, 2013
    Assignee: Presperse Corporation
    Inventors: Dennis Laba, Priti Shah, Marie Yednak-Carpenter
  • Patent number: 8506974
    Abstract: Non-silicone-based compositions including hydrocarbons of widely different structures and origins are combined into single, stable, homogenous products with both aesthetic and volatility properties similar to a cyclopentasiloxane. The combinations are useful to cosmetic formulators as full or partial replacement products for cyclopentasiloxanes, or “volatile silicones.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: August 13, 2013
    Assignee: Presperse Corporation
    Inventors: Dennis Laba, Marie Yednak-Carpenter, Priti Shah, Steven Cochran
  • Publication number: 20120189564
    Abstract: Compositions including Portulaca extract and a vitamin C derivative selected from ascorbyl glucoside (ASG), magnesium ascorbyl phosphate an ethyl ascorbic acid. The compositions can be employed as an inhibitor to melanin formation and used as an additive to a cosmetic or pharmaceutical formulation.
    Type: Application
    Filed: January 19, 2012
    Publication date: July 26, 2012
    Applicant: PRESPERSE CORPORATION
    Inventors: Yelena Zolotarsky, Gregory Torchiana, Yun Ha Hwang