Patents by Inventor Kedar N. Rustogi

Kedar N. Rustogi 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: 6174516
    Abstract: A method is disclosed for effecting heightened whitening of teeth wherein there is first applied to the teeth an aqueous rinse composition having an alkaline pH and thereafter brushing the teeth with a peroxide dentifrice.
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: January 16, 2001
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Lisa Christina Beck, Barry G. Reinhard, Kedar N. Rustogi
  • Patent number: 5814304
    Abstract: An aqueous abrasive whitening composition containing a peroxide whitening compound which is chemically and physically stable and exhibits heightened and rapid whitening of teeth and stain removal which comprises a combination of water, calcined alumina abrasive and a peroxide compound.
    Type: Grant
    Filed: July 10, 1997
    Date of Patent: September 29, 1998
    Assignee: Colgate Palmolive Company
    Inventors: Michael Wong, Michael Prencipe, Kedar N. Rustogi
  • Patent number: 5446940
    Abstract: A toothbrush whose tufts comprise three distinct groups of rows, with each row oriented transversely to the longitudinal axis of the head. The tufts of the first group are the shortest. The endmost tufts on each row of the second kind tilt laterally outwardly by about 12 degrees. The tufts of the third group are nearest the end of the head farthest from the handle and diverge from each other. In one embodiment, each tuft of the third kind tilts laterally at an angle of about 30 degrees and forwardly at about 14 degrees. In a first embodiment, each row of the first group comprises a single, wide tuft. In a second embodiment, each row of the first group has a plurality of laterally spaced round tufts. In a third embodiment, each row of the first group comprises a plurality of laterally spaced quadrangular tufts. All of the tufts may also be considered as defining four functional groups of tufts, with each of these four groups performing a specific function during brushing.
    Type: Grant
    Filed: June 8, 1994
    Date of Patent: September 5, 1995
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Donald R. Lamond, Laura H. Edelman
  • Patent number: 5424059
    Abstract: A dentifrice which inhibits plaque formation and reduces gingivitis and caries comprising water-insoluble alkaline earth metal polishing agent such as dicalcium or dimagnesium phosphate or pyrophosphate, xylitol and a substantially water insoluble noncationic antibacterial agent, such as triclosan.
    Type: Grant
    Filed: December 1, 1993
    Date of Patent: June 13, 1995
    Assignee: Colgate Palmolive Company
    Inventors: Michael Prencipe, Anthony R. Volpe, Kedar N. Rustogi, Vincent O. Drago, Abdul Gaffar
  • Patent number: 5341537
    Abstract: A toothbrush whose tufts comprise three distinct groups of rows, with each row oriented transversely to the longitudinal axis of the head. The tufts of the first group are the shortest. The endmost tufts on each row of the second kind tilt laterally outwardly by about 12 degrees. The tufts of the third group are nearest the end of the head farthest from the handle and diverge from each other. In one embodiment, each tuft of the third kind tilts laterally at an angle of about 30 degrees and forwardly at about 14 degrees. In a first embodiment, each row of the first group comprises a single, wide tuft. In a second embodiment, each row of the first group has a plurality of laterally spaced round tufts. In a third embodiment, each row of the first group comprises a plurality of laterally spaced quadrangular tufts. All of the tufts may also be considered as defining four functional groups of tufts, with each of these four groups performing a specific function during brushing.
    Type: Grant
    Filed: June 3, 1992
    Date of Patent: August 30, 1994
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Donald R. Lamond, Laura H. Edelman
  • Patent number: 5335389
    Abstract: A toothbrush whose tufts comprise three distinct kinds of rows, with each row oriented transversely to the longitudinal axis of the head. The tufts of the first kind are the shortest. The endmost tufts on each row of the second kind tilt laterally outwardly by about 12 degrees. The tufts of the third kind are nearest the end of the head farthest from the handle and diverge from each other, with each tuft thereof tilting laterally at an angle of about 30 degrees and forwardly at about 14 degrees. In a first embodiment, each row of the first kind comprises a single, wide tuft. In a second embodiment, each row of the first kind has a plurality of laterally spaced round tufts. In a third embodiment, each row of the first kind comprises a plurality of laterally spaced rectangular tufts. All of the tufts may also be considered as defining four functional groups of tufts, with each of these four groups performing a specific function during brushing.
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: August 9, 1994
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Donald R. Lamond, Laura H. Edelman
  • Patent number: 5046213
    Abstract: A toothbrush comprising a head having a flat surface facing upwardly, the head joined to a handle. The tufts of bristles are arranged in two groups of rows, each row extending transversely of the head. The rows of the first and second groups alternate with each other along the longitudinal axis of the head. In the first group, the two laterally outermost tufts of each row tilt sidewise towards their respective nearest side of the head, this tilt being about 12 degrees. The middle tuft of each of the second group extends substantially vertically upwardly from the head. The laterally outermost tufts of the second group tilt laterally inwardly toward each other by about 8 degrees. The tufts define three functional groups of tufts. The tuft arrangement is such that the cleaning action is substantially independent of any particular brushing technique employed by the user.
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: September 10, 1991
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Donald R. Lamond, Laura H. Edelman
  • Patent number: 4617918
    Abstract: A device for delivering an irrigant and/or a medicament fluid to the gingival sulcus comprises an elongated handle member terminating in a flexible tip portion provided with aperture(s), the tip being connected to a fluid reservoir via a conduit and operable to discharge the fluid through the apertures only on the application of pressure to the reservoir and/or opening of a normally closed valve or apertures in the tip by flexing the tip, e.g., by pressing same against a tooth. In preferred embodiments, the handle is tubular, the distal end portion thereof comprising the fluid reservoir.
    Type: Grant
    Filed: October 3, 1984
    Date of Patent: October 21, 1986
    Assignee: Colgate-Palmolive Company
    Inventors: John J. Donohue, William J. Dunn, Kedar N. Rustogi
  • Patent number: D329946
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: October 6, 1992
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Donald R. Lamond, Laura H. Edelman
  • Patent number: D329947
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: October 6, 1992
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Donald R. Lamond, Laura H. Edelman
  • Patent number: D330286
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: October 20, 1992
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Donald R. Lamond, Laura H. Edelman
  • Patent number: D330458
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: October 27, 1992
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Donald R. Lamond, Laura H. Edelman
  • Patent number: D333918
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: March 16, 1993
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman
  • Patent number: D334472
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: April 6, 1993
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Donald R. Lamond, Laura H. Edelman
  • Patent number: D342160
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: December 14, 1993
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Donald R. Lamond, Laura H. Edelman
  • Patent number: D342161
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: December 14, 1993
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Donald R. Lamond, Laura H. Edelman
  • Patent number: D342162
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: December 14, 1993
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Donald R. Lamond, Laura H. Edelman
  • Patent number: D343294
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: January 18, 1994
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Donald R. Lamond, Laura H. Edelman
  • Patent number: D352396
    Type: Grant
    Filed: October 5, 1992
    Date of Patent: November 15, 1994
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Adam Sherman, Robert Moskovich, James Petronio, Donald R. Lamond, Laura H. Edelman
  • Patent number: D353939
    Type: Grant
    Filed: October 5, 1992
    Date of Patent: January 3, 1995
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Kedar N. Rustogi, John C. Crawford, James H. Kemp, Thomas E. Mintel, Bert D. Heinzelman, Adam Sherman, Robert Moskovich, James Petronio, Donald R. Lamond, Laura H. Edelman