Patents by Inventor Douglas J. Edwards

Douglas J. Edwards 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).

  • SYSTEM FOR ACCELERATING DISSOLUTION OF MAFIC AND ULTRAMAFIC MATERIALS
    Publication number: 20240109031
    Abstract: The present disclosure provides a system for processing ultramafic material. The system may comprise a reactor for accelerating weathering of said ultramafic material. The reactor may comprise one or more chambers comprising one or more microbes, biological medicators, or enzymatic accelerants to facilitate the weathering of the ultramafic material.
    Type: Application
    Filed: April 19, 2023
    Publication date: April 4, 2024
    Inventors: Stephen J. ROMANIELLO, Brian D. LEY, Douglas O. EDWARDS, Margaret G. ANDREWS, Nathan G. WALWORTH, Thomas ISHOEY, Tom C. GREEN, Francesc MONTSERRAT, Martin VAN DEN BERGHE, Kenneth NEALSON, Devon Barnes COLE, Kelly ERHART
  • Monomethine compounds
    Patent number: 4996141
    Abstract: Compounds of the formula ##STR1## where A represents the atoms necessary to complete a benzoxazole or naphthoxazole ring which is optionally substituted, R.sub.1 and R.sub.2 are each alkyl, hydroxyalkyl or alkoxy alkyl groups wherein the alkyl moiety comprises 1 to 4 carbon atoms, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are each hydrogen atoms or alkyl groups having 1 to 4 carbon atoms or phenyl groups, and X is an anion.
    Type: Grant
    Filed: January 11, 1989
    Date of Patent: February 26, 1991
    Assignee: Ilford Limited
    Inventors: Geoffrey E. Ficken, Douglas J. Edwards, Clive W. Mowforth, Trevor J. Maternaghan, Rolf Steiger, Victor W. Dolden