Patents by Inventor Bessie E. Callos

Bessie E. Callos 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).

  • Patent number: 5851683
    Abstract: The present invention provides improved powder-free gloves having improved cleanliness as well as desired ergonomics over current natural rubber latex gloves. By controlling the formulation used to construct the gloves, a wide range of physical performance, aging resistance, as well as high cleanliness can be achieved. To this end, the present invention provides a powder-free glove constructed from a sequential copolymer. In an embodiment, the sequential copolymer is chosen from the group consisting of: poly(styrene-b-isoprene-b-styrene); poly(styrene-b-butadiene-b-styrene); poly (styrene-b-ethylene butylene-b-styrene); poly(styrene-b-ethylene propylene-b-styrene); radial and teleblock copolymers of the type (SI).sub.X, (SB).sub.X, and the like; and graft copolymers.
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: December 22, 1998
    Assignee: Allegiance Corporation
    Inventors: Sebastian S. Plamthottam, Bessie E. Callos