Patents by Inventor Leonard Chavkin

Leonard Chavkin 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).

  • Long-acting anhydrous antiperspirant compositions containing triacetin
    Patent number: 4548808
    Abstract: A substantially anhydrous antiperspirant composition having long-active, i.e., greater than 24 hour, deodorant activity is formed from a mixture of a micronized powdered antisperspirant active agent and triacetin. The resulting compositions are then formulated with conventional excipients to provide typical roll-on, stick and aerosol products.
    Type: Grant
    Filed: June 18, 1974
    Date of Patent: October 22, 1985
    Inventor: Leonard Chavkin
  • Mentholated oral composition
    Patent number: 4534960
    Abstract: There is provided a mentholated composition for use in the oral cavity which contains menthol in the presence of hydrogenated glucose syrup. The presence of said syrup permits the use of substantially higher concentrations of menthol than was heretofore possible due to the irritant properties of menthol at such elevated concentrations.
    Type: Grant
    Filed: April 12, 1984
    Date of Patent: August 13, 1985
    Assignee: Warren Glen Products, Inc.
    Inventor: Leonard Chavkin
  • APAP Tablet containing an alkali metal carboxymethylated starch and processes for manufacturing same
    Patent number: 4097606
    Abstract: APAP tablet containing from about 190 to 1000 milligrams of APAP, from 25 to 100 milligrams of an alkali metal salt of a low substituted carboxymethyl starch such as sodium or potassium, and preferably sodium and, optionally, a non-toxic pharmaceutically acceptable binder in a quantity equal to or less than the amount of APAP in the tablet. Several methods are described for preparing these tablets.
    Type: Grant
    Filed: October 8, 1975
    Date of Patent: June 27, 1978
    Assignee: Bristol-Myers Company
    Inventors: Leonard Chavkin, F. Henry Merkle