Patents by Inventor Colin William Cartwright

Colin William Cartwright 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).

  • Separating hydrocarbons
    Patent number: 4059505
    Abstract: Molecular sieve pressure swing separating process is modified by stopping the feed before the end of the adsorption stage and passing a mixture richer in n-paraffins than the feed through the sieve bed. Suitable mixtures include purge effluent and desorpting effluent. This enhances the purity of the product.
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: November 22, 1977
    Assignee: The British Petroleum Company Limited
    Inventors: Colin William Cartwright, Donald Lamb