Patents by Inventor Leonard Weintraub

Leonard Weintraub 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 combination containing an aluminum halohydrate and a stannic halide
    Patent number: 4606915
    Abstract: An antiperspirant combination containing an aluminum halohydrate and a stannic halide and also preferably containing a neutral amino acid. Material in powder form or incorporated in liquid or solid vehicle is useful in inhibiting perspiration when applied to the skin of a subject.
    Type: Grant
    Filed: April 23, 1981
    Date of Patent: August 19, 1986
    Assignee: Bristol-Myers Company
    Inventors: Allan H. Rosenberg, Leonard Weintraub
  • APAP tablet containing fumed silica and process for manufacturing same
    Patent number: 4013785
    Abstract: Preparation of APAP tablet containing fumed silica by (a) forming a solution of APAP in an organic solvent, (b) suspending or dispersing in said solution powdered fumed silica, (c) drying said suspension to form a APAP-fumed silica mix, and (d) pressing a mixture containing said APAP-fumed silica mix into a tablet.
    Type: Grant
    Filed: March 21, 1975
    Date of Patent: March 22, 1977
    Assignee: Bristol-Myers Company
    Inventors: Leonard Weintraub, Allan H. Rosenberg