Patents by Inventor Stephen M. Howe

Stephen M. Howe 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).

  • Antiperspirant composition and method of preparation
    Patent number: 4871525
    Abstract: Aluminum zirconium hydroxy halide glycinate complex and a method of its preparation is disclosed having an empirical formula:Al.sub.2 (OH).sub.6-y.sup.X.sub.y ZrO(OH).sub.x Cl.sub.2-x /Neutral Amino Acidwherein x has a numerical value of 0 to 1.5, y has a numerical value of 0.7 to 3.0, X is chlorine, bromine or iodine, and whose polymer distribution as characterized by a size exclusion chromatograph is:(a) a peak height ratio of peak 4 to peak 3 of 0.5 to 1.8:1, and(b) peaks (1+2) contain less than 4% of the polymer distribution by weight.
    Type: Grant
    Filed: August 3, 1987
    Date of Patent: October 3, 1989
    Assignee: Westwood Chemical Corporation
    Inventors: Rocco Giovanniello, Stephen M. Howe