Patents by Inventor Neil Philip Roberts

Neil Philip Roberts 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 manufacturing methyl chloride
    Patent number: 6111153
    Abstract: A process for manufacturing methyl chloride. The process consists essentially of contacting hydrogen chloride with at least a stoichiometric amount of methanol split into at least two portions with a first portion comprising about 60 to 95 percent of the methanol added to the process in the presence of a first liquid medium at a temperature in the range of about 115.degree. C. to 170.degree. C. to form a gaseous mixture containing methyl chloride, and contacting the gaseous mixture with a second methanol portion and adding to a second liquid medium at a temperature in the range of about 100.degree. C. to 160.degree. C., and recovering the methyl chloride.
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: August 29, 2000
    Assignees: Dow Corning Corporation, Dow Corning Limited
    Inventors: Robert Dennis Crow, Neil Philip Roberts