Patents by Inventor Haydn Guy William Dickenson

Haydn Guy William Dickenson 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).

  • Patent number: 5663136
    Abstract: A process for the continuous preparation of a granular detergent composition or component having a bulk density greater than 650 g/l which comprises the steps of: i) dispersing a detergent active paste throughout a powder stream in a high speed mixer with a residence time of from 2 seconds to 30 seconds, ii) forming an agglomerate in a moderate speed mixer/agglomerator with a residence time of less than 2 minutes, in which, optionally, a finely divided powder may be added, iii) drying and/or cooling. Granular detergent compositions which are made by this process, and which have excellent solubility properties especially with respect to dispensing and rate of dissolution are also described.
    Type: Grant
    Filed: January 30, 1995
    Date of Patent: September 2, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Paul Van Dijk, Jose Luis Vega, Haydn Guy William Dickenson