Patents by Inventor Philip R. N. Eymond

Philip R. N. Eymond 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).

  • Bleaching detergent compositions
    Patent number: 4329245
    Abstract: A bleaching detergent composition comprising a nonionic detergent active compound, an inorganic persalt e.g. sodium perborate, an organic peracid precursor and a fluorescent agent, is stabilized by the use of a "sacrificial" ingredient. The "sacrificial" ingredient is an organic compound having a relative reactivity towards peracid and hydrogen peroxide of the order of 50:1 and a solubility in nonionic detergent active compounds at 25.degree. C. of at least 0.15 grams/liter, e.g. alkanolamines, and is used in relatively small amounts, generally from 0.1 to 5.0% by weight.
    Type: Grant
    Filed: March 19, 1981
    Date of Patent: May 11, 1982
    Assignee: Lever Brothers Company
    Inventors: Philip R. N. Eymond, Robert M. Butterworth