Patents by Inventor Cynthia W. Arterbery

Cynthia W. Arterbery 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.
  • Smoking articles using novel paper wrapper
    Patent number: 5168884
    Abstract: The calcium carbonate filler level or the basis weight of a paper wrapper for a smoking article is varied to enable the designing of smoking articles with specific characteristics including a specific puff count, tar delivery and carbon monoxide delivery.
    Type: Grant
    Filed: April 12, 1991
    Date of Patent: December 8, 1992
    Assignee: Philip Morris Incorporated
    Inventors: Sheryl D. Baldwin, Edward B. Sanders, James L. Myracle, Barbro L. Goodman, Cynthia W. Arterbery, Willard A. Geiszler, Barton Floyd, Warren E. Claflin
  • Paper wrapper having improved ash characteristics
    Patent number: 5161551
    Abstract: The ash characteristics of a cigarette paper wrapper are improved by using fine particle size calcium carbonate filler. In addition, increased calcium carbonate filler loading level, increased basis weight, and various combinations of these variables are used to achieve improved ash characteristics.
    Type: Grant
    Filed: April 12, 1991
    Date of Patent: November 10, 1992
    Assignee: Philip Morris Incorporated
    Inventors: Edward B. Sanders, Sheryl D. Baldwin, Barbro L. Goodman, Cynthia W. Arterbery, James L. Myracle