Patents by Inventor Stephanie A. Vass

Stephanie A. Vass 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).

  • Micro and NANO scale surface textured titanium-containing articles and methods of producing same
    Patent number: 8303830
    Abstract: The present invention relates to processes involving contacting articles that include titanium or titanium alloy with a solution comprising hydrochloric acid and chloride-containing compound for a time and at a temperature effective to form a plurality of indentions that, independently, have a diameter of from about 200 nm to 10 microns.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: November 6, 2012
    Assignee: DePuy Products, Inc.
    Inventors: Weidong Tong, Lawrence Salvati, Stephanie A. Vass
  • NANOTEXTURED COBALT-CHROMIUM ALLOY ARTICLES HAVING HIGH WETTABILITY AND METHOD OF PRODUCING SAME
    Publication number: 20100268346
    Abstract: The present invention relates to articles comprising a cobalt-chromium alloy and bearing a surface oxide layer that has a thickness of 20 to 40 ?, is enriched in chromium relative to said article, and includes a plurality of indentions that, independently, have a diameter of from about 40 to about 500 nm. Such articles can be suitable for implantation in a mammal.
    Type: Application
    Filed: April 5, 2010
    Publication date: October 21, 2010
    Inventors: Weidong Tong, Lawrence Salvati, Stephanie A. Vass
  • MICRO AND NANO SCALE SURFACE TEXTURED TITANIUM-CONTAINING ARTICLES AND METHODS OF PRODUCING SAME
    Publication number: 20100268347
    Abstract: The present invention relates to processes involving contacting articles that include titanium or titanium alloy with a solution comprising hydrochloric acid and chloride-containing compound for a time and at a temperature effective to form a plurality of indentions that, independently, have a diameter of from about 200 nm to 10 microns.
    Type: Application
    Filed: April 5, 2010
    Publication date: October 21, 2010
    Inventors: Weidong Tong, Lawrence Salvati, Stephanie A. Vass