Patents by Inventor Walter Robertson

Walter Robertson 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).

  • BINDER FOR AN AGGLOMERATION PROCESS
    Publication number: 20230416150
    Abstract: A binder for use in leaching a heap of a low-permeability ore containing at least one of the following: copper ore, copper/cobalt ore, nickel laterite ore and uranium ore, wherein the binder comprises an acid-proof cement formed by modifying ordinary Portland cement (OPC) with a supplementary cementitious material (SCM).
    Type: Application
    Filed: September 9, 2021
    Publication date: December 28, 2023
    Inventors: Stefan Walters Robertson, Sibabalwe Mxinwa, Petrus Basson, Mpumelelo Success Ndhlalose, Duduzile Nontobeko Nxumalo
  • Glass fiber coating for inhibiting conductive anodic filament formation in electronic supports
    Publication number: 20020058140
    Abstract: The present invention provides an at least partially coated fiber strand comprising a plurality of fibers having a resin compatible coating composition on at least a portion of a surface of at least one of the fibers, the resin compatible coating composition comprising: (a) a plurality of discrete particles comprising a silicate having a high affinity for metal ions; and (b) at least one film-forming material.
    Type: Application
    Filed: February 15, 2001
    Publication date: May 16, 2002
    Inventors: David E. Dana, Langqiu Xu, Ernest Lawton, Vedagiri Velpari, Walter Robertson, William B. Rice, Kami Lammon-Hilinski, Xiang Wu, Bruce Novich
  • Nematicidal proteins
    Patent number: 6006470
    Abstract: The use of mannose binding lectins derived from Amaryllidaceae, Alliaceae, or Vicieae for the control of nematodes, in which said use may be either direct or via transgenic plant expression, and a method therefor.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: December 28, 1999
    Assignee: Novartis AG
    Inventors: Irene Geoghegan, Walter Robertson, Nicholas Birch, Angharad Margaret Roscoe Gatehouse