Patents by Inventor Bookinkere C. S. Rao

Bookinkere C. S. Rao 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).

  • Peroxide bleach and compositions comprising said bleach
    Patent number: 4618445
    Abstract: A cost-effective peroxide bleach having improved alkaline stability is obtained by forming an adduct of sodium sulphate, hydrogen peroxide, sodium chloride and an alkali metal phosphate, which is belived to be a mixed crystal having the formula:4Na.sub.2 SO.sub.4.2H.sub.2 O.sub.2.NaCl (xM.sub.2 O.yP.sub.2 O.sub.5).sub.n,wherein M is alkalimetal; x is from 1 to 3; y is from 0.5 to 2; and n is from 0.1 to 1.The hydrogen peroxide adduct is suitable for use as a bleach in alkaline detergent compositions in countries with climates where high temperature and high humidity prevail.
    Type: Grant
    Filed: May 21, 1984
    Date of Patent: October 21, 1986
    Assignee: Lever Brothers Company
    Inventors: Gulzari L. Madan, Bookinkere C. S. Rao