Patents by Inventor Lenore F. Schwartz

Lenore F. Schwartz 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).

  • Cleaning liquid and process of using same
    Patent number: 4588516
    Abstract: A liquid cleaning composition especially suitable for use in lukewarm water and a method of using the composition for cleaning fabric which is at least partially composed of cotton. The liquid cleaner comprises a solution of the following components: a dodecyl phenol with 8-9 ethylene oxide units in a side chain, a nonyl phenol with 9 ethylene oxide units in a side chain, a polyethylene glycol ether of a mixture of long chain (11-15 carbon atoms) fatty alcohols with 9 mols ethylene oxide, a polyoxyethylene-polyoxypropylene block copolymer defoaming agent, 2-methyl-2,4-pentane-diol, polyoxyethylene (20) oleyl ether and optionally, water.The method of using the cleaning composition comprising the steps of mixing the composition with water, saturating the fabric with the mixture, rinsing the mixture from the fabric with water, and heating the fabric to substantially complete dryness.
    Type: Grant
    Filed: December 26, 1984
    Date of Patent: May 13, 1986
    Inventor: Lenore F. Schwartz