Patents by Inventor Mark J. Stachowski

Mark J. Stachowski 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).

  • BIOCOMPATIBLE, SURFACE MODIFIED MATERIALS
    Publication number: 20080002146
    Abstract: A biomedical device having a hydrophilic gradient surface is provided, wherein the hydrophilic gradient surface comprises (a) a first layer having a first contact angle; (b) a second layer having a second contact angle less than the first contact angle of the first layer; and (c) a third layer having a third contact angle less than the first and second contact angles of the first and second layers. A method for increasing hydrophilicity or wettability of a biomedical device having a hydrophilic gradient surface is also provided.
    Type: Application
    Filed: May 30, 2007
    Publication date: January 3, 2008
    Inventors: Mark J. Stachowski, Janelle Uilk
  • Process for forming toners containing isoindoline yellow pigment
    Patent number: 6432598
    Abstract: A process for forming a particulate yellow toner for the development of latent electrostatographic latent images comprises: combining dry Pigment Yellow 185 (P.Y. 185) and a first thermoplastic polymer under conditions effective to form a predispersion of P.Y. 185 in the polymer, and combining the predispersion with a second thermoplastic polymer under conditions effective to form a yellow toner composition, from which is formed yellow toner particles.
    Type: Grant
    Filed: June 27, 2001
    Date of Patent: August 13, 2002
    Assignee: Nexpress Solutions LLC
    Inventors: Peter S. Alexandrovich, Mark J. Stachowski, Dinesh Tyagi