Patents by Inventor Morris F. White, Jr.

Morris F. White, Jr. 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).

  • Concentric smoking filter having discrete tow and web filter media
    Patent number: 5746230
    Abstract: A concentric smoking filter in which one of the filter media is a fibrous tow, such as fibrous cellulose acetate tow, and one of the filter media is a web material, such as paper, is provided. The filter improves the taste, particularly, of "ultra-light" cigarettes.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: May 5, 1998
    Assignee: Philip Morris Incorporated
    Inventors: Cynthia W. Arterbery, W. Timothy Callaham, Gus D. Keritsis, Morris F. White, Jr.
  • Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
    Patent number: 5622190
    Abstract: A concentric smoking filter in which the peripheral filter medium is a fibrous tow, such as fibrous cellulose acetate tow, and the core filter medium is a web material, such as paper, loaded with carbon particles, is provided. The filter improves the taste, particularly, of "ultra-light" cigarettes.
    Type: Grant
    Filed: November 15, 1994
    Date of Patent: April 22, 1997
    Assignee: Philip Morris Incorporated
    Inventors: Cynthia W. Arterbery, W. Timothy Callaham, Gus D. Keritsis, Donald E. Laslie, Kenneth A. Newman, Roger S. Slagle, Morris F. White, Jr.
  • Concentric smoking filter having cellulose acetate tow periphery and carbon-particle-loaded web filter core
    Patent number: 5365951
    Abstract: A concentric smoking filter in which the peripheral filter medium is a fibrous tow, such as fibrous cellulose acetate tow, and the core filter medium is a web material, such as paper, loaded with carbon particles, is provided. The filter improves the taste, particularly, of "ultra-light" cigarettes.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: November 22, 1994
    Assignee: Philip Morris Incorporated
    Inventors: Cynthia W. Arterbery, W. Timothy Callaham, Gus D. Keritsis, Donald E. Laslie, Kenneth A. Newman, Roger S. Slagle, Morris F. White, Jr.