Patents by Inventor Alistair Penman

Alistair Penman 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).

  • Milk substitute
    Patent number: 4692338
    Abstract: A milk substitute suitable for feeding young mammalian animals in the form of an unreconstituted powder, containing more than 10% casein, is given an extended storage life following reconstitution by the presence of a pH-responsive preservative, such as propionate, an edible acid, such as malic acid, which generates a pH in the milk substitute immediately after reconstitution in the range 6 to 5.2, and optionally a water-soluble phosphate.
    Type: Grant
    Filed: March 28, 1985
    Date of Patent: September 8, 1987
    Inventors: Sheila M. Irvine, Alistair Penman, Geoffrey B. Wood
  • Extracting tea using an aqueous solution of ammonium bicarbonate or ammonia
    Patent number: 3971858
    Abstract: The yield in the aqueous extraction of tea leaf is improved by using an aqueous solution of ammonium bicarbonate or of ammonia as the extractant.
    Type: Grant
    Filed: August 30, 1974
    Date of Patent: July 27, 1976
    Assignee: Thomas J. Lipton, Inc.
    Inventors: Peter Dudley Collier, Alistair Penman, Frederick John Trussell