Patents by Inventor Norman H. Pilkington

Norman H. Pilkington 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).

  • Purification of saline solutions
    Patent number: 4378439
    Abstract: A process for the demineralization of a bicarbonate- or bisulphite-bearing saline solution by means of amphoteric thermally regenerable ion-exchange resins and comprising the regeneration of the resins using as a regenerating agent a solution which is more acidic by a chosen amount than is the saline solution.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: March 29, 1983
    Assignee: ICI Australia Limited
    Inventor: Norman H. Pilkington