Patents by Inventor Pierre S. Alusta

Pierre S. Alusta 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).

  • Dustless powder materials
    Patent number: 10196524
    Abstract: This invention relates to a coated powder material containing a powder material having a surface layer that has been chemically immobilized with one or more surface-active agents and coated with an oil. The surface-active agents are present in an amount of at least about 0.1% by weight, based on the powder material; the oil is present in an amount ranging from about 0.1 to 180% by weight, based on the powder material; and the combined weight percentage of the surface-active agents and oil is at least about 4.0% by weight, based on the powder material. The oil-absorption rate of the powder material ranges from about 0.01 to about 0.70 gram of oil per gram of dry powder. The coated powder material is useful as a cosmetic.
    Type: Grant
    Filed: June 2, 2005
    Date of Patent: February 5, 2019
    Assignee: MIYOSHI AMERICA, INC.
    Inventors: David M. Morrison, Pierre S. Alusta, William Zavadoski, Shigeru Kishida, Yoshiaki Kawasaki