Patents by Inventor Alex J. Roche

Alex J. Roche 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).

  • Process for the preparation of derivatives of octafluoro-[2,2] paracylophane
    Patent number: 6392097
    Abstract: Processes for the preparation of parylene dimers, and more particularly to processes for the preparation of derivatives of octafluoro-[2,2]paracylophane, otherwise known as AF4.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: May 21, 2002
    Assignee: Specialty Coating Systems, Inc.
    Inventors: William R. Dolbier, Jr., Jian-Xin Duan, Alex J. Roche
  • Process for the preparation of derivatives of octafluoro-[2,2]paracylophane
    Publication number: 20020026086
    Abstract: Processes for the preparation of parylene dimers, and more particularly to processes for the preparation of derivatives of octafluoro-[2,2] paracylophane, otherwise known as AF4.
    Type: Application
    Filed: March 20, 2001
    Publication date: February 28, 2002
    Inventors: William R. Dolbier, Jian-Xin Duan, Alex J. Roche
  • Parylene AF4 synthesis
    Patent number: 5841005
    Abstract: Methods of making parylene AF4 using novel that result in reduced cost. Low dilution technology may used to provide parylene AF4 in substantially improved yields. The relative amount of transition metal catalyst can be decreased. The amount of undesired byproduct is also reduced.
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: November 24, 1998
    Inventors: William R. Dolbier, Jr., Jian-Xin Duan, Alex J. Roche