Patents by Inventor Shamsul K. Bakar

Shamsul K. Bakar 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).

  • Zinc-containing oral products with reduced astringency
    Patent number: 5000944
    Abstract: A zinc-containing antitartar oral product substantially free of astringency, containing as the essential agent, a zinc/polyphosphate complex having at least about a 50% water solubility, formed by the reaction or interaction of a zinc compound with a potassium or sodium polyphosphate by dissolving a zinc salt in a polyphosphate solution such as pyrophosphate, tripolyphosphate, hexametaphosphate and combinations thereof.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: March 19, 1991
    Assignee: Colgate-Palmolive Company
    Inventors: Michael Prencipe, Shamsul K. Bakar
  • Stable antiplaque dentifrice based on hexetidine, zinc ion and fluoride
    Patent number: 4774078
    Abstract: A cosmetically and therapeutically stable antiplaque dentifrice comprising a combination of hexetidine, a soluble zinc salt and a fluoride compound capable of providing a fluoride ion, as the antiplaque agent in dental vehicle containing a polyethylene glycol humectant and a dental abrasive.
    Type: Grant
    Filed: October 6, 1986
    Date of Patent: September 27, 1988
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Shamsul K. Bakar, John J. Donohue, Richard J. Crawford, Kathleen M. Yuhasz-Kotarsky, John M. Coviello, Jr.