Patents by Inventor Joseph R. Wetzel

Joseph R. Wetzel 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).

  • Device arrays and methods for operation in aggressive solvents and for measurements of barrier properties of plurality of coatings
    Publication number: 20040150827
    Abstract: Methods and devices are disclosed for measuring barrier properties of a barrier coating or coating arrays where each barrier coating has a small cross section. To reduce the edge effects in the measurements of barrier properties, measurements are made using a substrate which can be flat, cylindrical or spherical structure coated with a chemically sensitive layer, a solvent resistant layer and an array of barrier coatings. The coated substrate which can be flat, cylindrical or spherical is exposed to a material of interest that has the ability to produce an analyzable variation in the chemically sensitive layer, thereby providing the ability to detect an impact of the material of interest on the barrier coatings.
    Type: Application
    Filed: February 4, 2003
    Publication date: August 5, 2004
    Applicant: General Electric Company
    Inventors: Radislav A. Potyrailo, Joseph R. Wetzel
  • Antiandrogenic sulfonylsteroidooxazoles
    Patent number: 5134135
    Abstract: 2'-Alkylsulfonylsteroido[2,3-d]oxazoles, for example 2'-methylsulfonyl-5.alpha.-pregn-2-en-20-yno[2,3-d]oxazol-17.beta.-ol, which are useful as antiandrogenic agents, and proceses for preparation, method of use and compositions thereof are disclosed.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: July 28, 1992
    Assignee: Sterling Drug Inc.
    Inventors: John P. Mallamo, Joseph R. Wetzel