Patents Represented by Attorney Paul Shapiro
  • Patent number: 6613310
    Abstract: A dual component chlorhexidine dentifrice composition of improved shelf stability in which the first component is a gel containing a bis-biguanide antibacterial agent in which the gel vehicle is thickened with a cellulose polymer and the second component is a paste containing a silica abrasive wherein the bis-biguanide antibacterial agent provides undiminished antiplaque and antigingivitis effect with reduced staining when the physically separated components are combined and mixed upon application to dental tissue.
    Type: Grant
    Filed: July 29, 2002
    Date of Patent: September 2, 2003
    Assignee: Colgate Palmolive Company
    Inventors: Thomas S. Campbell, Alexander J. Simone, Nuran Nabi, Michael Collins
  • Patent number: 6592849
    Abstract: A chewing gum composition for controlling malodorous breath when chewed comprising a gum base having present therein a breath freshening amount of a water soluble zinc ion releasing salt and a phosphate salt mixture of alkali metal pyrophosphate and polyphosphate salts at a weight ratio of about 2:1 to 1:3 whereby the presence of the phosphate salt mixture enhances and extends the release of the zinc ion during the period of chewing.
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: July 15, 2003
    Assignee: Colgate Palmolive Company
    Inventors: Richard S. Robinson, Timothy E. Bruce, John P. Curtis, Donna M. Vroom, Bernie P. Blackwell, Poul N&phgr;rgaard Poulsen, Lars Gyldenvang
  • Patent number: 6514483
    Abstract: A thin, flexible film which when applied to stained teeth is hydrated by saliva and is effective in such form to whiten teeth, the film comprising an anhydrous water hydratable ethylene oxide polymer matrix containing a solid peroxide whitening agent whereby upon application to stained tooth surfaces, the peroxide whitening agent is solublilized by saliva present in the oral cavity into active whitening activity when the film is positioned and placed on the teeth.
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: February 4, 2003
    Assignee: Colgate Palmolive Company
    Inventors: Guofeng Xu, David B. Viscio
  • Patent number: 6503486
    Abstract: A thin, flexible film which when applied to stained teeth is hydrated by saliva and is effective in such form to whiten teeth, the film comprising an anhydrous water hydratable ethylene oxide polymer matrix containing a solid peroxide whitening agent whereby upon application to stained tooth surfaces, the peroxide whitening agent is solublilized by saliva present in the oral cavity into active whitening activity when the film is positioned and placed on the teeth.
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: January 7, 2003
    Assignee: Colgate Palmolive Company
    Inventors: Guofeng Xu, David B. Viscio
  • Patent number: 6500409
    Abstract: An oral care composition containing a synergistic antiplaque/antigingivitis combination of a nonionic halogenated diphenyl ether compound such as Triclosan and an extract of Magnolia Officinalas containing honokiol and magnolol.
    Type: Grant
    Filed: May 10, 2000
    Date of Patent: December 31, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Dale S. Scherl, Susan M. Herles, Tao Xu, Abdul Gaffar
  • Patent number: 6464963
    Abstract: A two component desensitizing dentifrice composition is disclosed which comprises a first dentifrice component containing a desensitizing potassium salt such as potassium nitrate and an alkali metal compound such as NaOH and a second dentifrice component containing a desensitizing stannous salt source such as stannous, the first and second dentifrice components being maintained separate from the other until dispensed for application to teeth.
    Type: Grant
    Filed: April 23, 1998
    Date of Patent: October 15, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Robert J. Gambogi, Steven W. Fisher, Edward A. Tavss, Marilou T. Joziak
  • Patent number: 6451291
    Abstract: An oral composition comprising in an orally acceptable vehicle, an effective antiplaque amount of an halogenated diphenyl ether or phenolic antibacterial compound, and an amount of an mixed anionic/zwitterionic surfactant system which is effective to increase the uptake of the antibacterial compound to dental tissue so as to enhance the therapeutic efficacy of the administered antibacterial compound.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: September 17, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Xiaoyan Liu, Malcolm Williams, Ravi Subramanyam
  • Patent number: 6447756
    Abstract: A two component dental composition is disclosed which eliminates or substantially reduces the discomfort and pain associated with dentinal hypersensitivity which composition comprises a first dentifrice component having an alkaline pH and contains a potassium ion releasable compound and an alkali metal silicate, a second dentifrice component having an acid pH, the first and second components being maintained separate from each other until dispensed and combined for application to teeth requiring relief from dentine hypersensitivity, whereby heightened desensitization is experienced by the user.
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: September 10, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Nagaraj Dixit, Kowsilla P. Pillay, Robert J. Gambogi
  • Patent number: 6447758
    Abstract: A dual component antiplaque oral composition having superior foaming properties in which a first component contains a cationic antibacterial agent and the second component contains a anionic surfactant normally incompatible with the cationic antibacterial agent, the first and second components are simultaneously combined for application to the teeth, the first and second components being physically segregated prior to use, the components when mixed upon application to teeth providing substantially unimpaired antiplaque effect with superior foaming properties.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: September 10, 2002
    Assignee: Colgate Palmolive Company
    Inventors: M. Teresa R. Carale, Susan M. Herles, Thomas Boyd, Michael Prencipe
  • Patent number: 6419906
    Abstract: A thin, flexible film which when applied to stained teeth is hydrated by saliva and is effective in such form to whiten teeth, the film comprising an anhydrous water hydratable ethylene oxide polymer matrix containing a solid peroxide whitening agent whereby upon application to stained tooth surfaces, the peroxide whitening agent is solublilized by saliva present in the oral cavity into active whitening activity when the film is positioned and placed on the teeth.
    Type: Grant
    Filed: March 12, 2001
    Date of Patent: July 16, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Guofeng Xu, David B. Viscio
  • Patent number: 6419903
    Abstract: A rapidly dissolvable orally consumable film composition for delivering breath freshening agents to the oral cavity wherein the composition is formed from a homogeneous mixture of a water soluble, low viscosity hydroxyalkylmethyl cellulose and a water dispersible starch and a flavoring agent.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: July 16, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Goufeng Xu, Mel Reci, Bernie L. Blackwell, Richard S. Robinson, David B. Viscio, John P. Curtis
  • Patent number: 6416744
    Abstract: A tooth whitening chewing gum composition effective to remove stains from teeth is prepared from a mixture of a chewing gum base, plasticizing, sweetening, flavoring agents, and about 0.5 to about 5.0% by weight of a silica particles, the particles containing about 5 to about 35% by weight water and having a mean particle size from 5 to 12 microns; an Einlehner hardness of from 1 to 20; an oil absorption value of from 40 to less than 100 cc/i 00g; and, a BET surface area from 100 to 700 m2/g of silica.
    Type: Grant
    Filed: June 21, 2001
    Date of Patent: July 9, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Richard S. Robinson, John P. Curtis, Donna M. Vroom, Bernie L. Blackwell, Rolando M. Catiis
  • Patent number: 6379654
    Abstract: An abrasive dentifrice composition which effects enhanced tooth and stain removal which comprises an orally acceptable vehicle containing a combination of a low oil absorption silica abrasive having an oil absorption value of less than 100 cc/100 g silica and an proteolytic enzyme.
    Type: Grant
    Filed: October 27, 2000
    Date of Patent: April 30, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Petros Gebreselassie, Diego Hoic, James G. Masters, Michael Prencipe
  • Patent number: 6379652
    Abstract: A method to suppress oral malodor and provide long lasting breath protection wherein there is applied to the oral cavity of the user an oral composition comprising an orally acceptable vehicle containing therein a flavor system comprised of a mixture of an essential oil and a coolant compound which is a menthyl ester of naturally occurring hydrocarboxylic acids having 2 to 6 carbon atoms esterified with C1-C4 alkyl groups.
    Type: Grant
    Filed: October 16, 2000
    Date of Patent: April 30, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Xiaoyan Liu, Malcolm Williams, Ravi Subramanyam, John Hughes
  • Patent number: 6375933
    Abstract: A dual component oral composition to suppress oral malodor and provide long lasting breath protection in the oral cavity which comprises a first dentifrice component having a substantially neutral pH and containing a zinc ion releasable compound and a chlorite ion releasable compound, the second dentifrice component having an acid pH, the first and second components being maintained separate from each other until dispensed and combined for application to teeth, the combined components having a pH of no greater than 7.
    Type: Grant
    Filed: January 3, 2001
    Date of Patent: April 23, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Ravi Subramanyam, Malcolm Williams, Petros Gebreselassie, Xiaoyan Liu, Angelo Zaccagnino, James G. Masters
  • Patent number: 6361761
    Abstract: A dental fluoride foam composition comprising a foamable fluoride containing composition that is packaged in a foam generating container, the composition being comprised mainly of, an aqueous solution of a water soluble fluoride ion releasable salt, a taurate surfactant whereby the composition when dispensed from the container into the trough of a dental tray forms a low density, rapidly collapsible foam which substantially liquefies in about 1 minute after being dispensed from the foam generating container and placed in contact with a patients teeth.
    Type: Grant
    Filed: April 5, 2000
    Date of Patent: March 26, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Marilou T. Joziak, Edward A. Tavss, Steven W. Fisher, Robert J. Gambogi
  • Patent number: 6346235
    Abstract: A method is disclosed for enhancing fluoride availability using an acidulated two component dentifrice system in which the first component contains sodium fluoride and a silica abrasive in an alkaline environment and the second component contains an acid, a phosphate ion source, and a silica abrasive.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: February 12, 2002
    Assignee: Colgate Palmolive Company
    Inventors: Marilou T. Joziak, Edward A. Tavss, Steven W. Fisher, Robert J. Gambogi
  • Patent number: 6333024
    Abstract: A two component effervescent dentifrice composition, having a first alkali metal bicarbonate containing component which also contains a naturally occurring alkyl vanillyamide such as capsaicin and a second acid-containing dentifrice component; the first and second components being separated prior to use, whereupon when combined upon application to the teeth the dentifrice provides an enhanced sensory signal.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: December 25, 2001
    Assignee: Colgate-Palmolive Company
    Inventors: James G. Masters, David B. Viscio, Jeffrey H. Glaser, Gary Tambs, Benjamin Y. Mandanas
  • Patent number: 6315986
    Abstract: A striped dentifrice stable to color bleeding, wherein at least one dentifrice component contains a colorant entrained in a matrix of synthetic wax particles having a melting point range as measured by DSC is between about 40° C. and about 135° C. and the peak endotherm temperature is at least about 65° C., whereby on storage no off-taste is detected in the dentifrice nor is there any observable colorant bleeding into any other dentifrice component.
    Type: Grant
    Filed: May 12, 1997
    Date of Patent: November 13, 2001
    Assignee: Colgate-Palmolive Company
    Inventors: Michael Wong, Michael Prencipe, Jeffrey M. Miller, Claude L. Benz
  • Patent number: 6306371
    Abstract: An oral antiplaque composition comprising an orally acceptable vehicle and an effective antiplaque amount of silver zeolite and a stabilizing amount of a chloride salt.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: October 23, 2001
    Assignee: Colgate-Palmolive Company
    Inventors: Mike Wong, Prem Sreenivassan, Suryakant Patel, Nuran Nabi, John C. Brahms