Patents by Inventor Dirk Warscjewski

Dirk Warscjewski 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: 4923635
    Abstract: An aqueous light duty liquid detergent composition consisting essentially of, by weight, 10% to 50% of a mixture of a water-soluble alkylbenzene sulfonate detergent salt and a water-soluble alkyl ethenoxy ether sulfate detergent salt in a weight ratio of sulfonate to sulfate in the range of about 0.8:1 to 2:1; about 1% to 8% of an alkanoic acid mono- or di-ethanolamide foam booster; at least about 0.5% to 1.8% of magnesium ions; triethanolammonium ions in an amount to provide a weight ratio of magnesium ion to triethanolammonium ion of 2:1 to 1:2.4; and the balance an aqueous medium, said composition having a pH of 5 to 8 and exhibiting improved oily soil removal and oily solid emulsification properties at a temperature of 18.degree. C. to 26.degree. C. as compared to the same composition without the magnesium and triethanolammonium ions. A method of making said composition comprising the steps of neutralizing alkylbenzene sulfonic acid with magnesium hydroxide to a pH of about 1.
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: May 8, 1990
    Assignee: Colgate-Palmolive Company
    Inventors: F. Anthony Simion, Dirk Warscjewski, Leonard A. Zyzyck