Patents Represented by Attorney Robert L. Stone

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  • Dentifrice composition
    Patent number: 4152419
    Abstract: Dentifrice composition containing an alkali monofluorophosphate and an alkali metal fluoride and a polishing material which consists essentially of a water-insoluble phosphate salt, at least a major portion of which is an insoluble alkali metal metaphosphate.
    Type: Grant
    Filed: May 25, 1977
    Date of Patent: May 1, 1979
    Assignee: Colgate-Palmolive Company
    Inventor: Philip Pensak
  • Reduction of abrasiveness in dentrifices
    Patent number: 4144322
    Abstract: Dentrifice possessing superior cleaning and polishing characteristics comprising a silicious and calcined alumina abrasive system in an amount to provide an enamel abrasion to the dentrifice of above about 450, (as measured by radioactive method) about 0.1-5% by weight and preferably 1-5% of a calcium, magnesium or sodium salt selected from the group consisting of the carbonates, bicarbonates, chlorides, phosphates, silicates and nitrates, with or without raising the pH of said composition to preferably above about 7, so as to reduce said enamel abrasion thereof.
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: March 13, 1979
    Assignee: Colgate Palmolive Company
    Inventors: Martin Cordon, Robert E. Dickson
  • Dental prophylactic paste
    Patent number: 4143126
    Abstract: A dental prophylactic paste comprising an abrasive, a humectant, gelatin and optional flavoring and preservative ingredients which possesses improved flowability by which the paste can be poured through a nozzle under low pressure into individual containers as well as improved non-spatterability and cleaning efficiency in use by the dentist.
    Type: Grant
    Filed: July 1, 1977
    Date of Patent: March 6, 1979
    Assignee: Colgate Palmolive Company
    Inventor: Maria C. Gaffar
  • Quaternary compounds having anti-microbial activity
    Patent number: 4143127
    Abstract: Novel quaternary ammonium compounds which include the adamantane ring system linked to the quaternary ammonium group by a hydrocarbon chain or by other functional groups, such as ether, carboxylic ester, carboxamide, keto, carbamate ester, thiocarbamate ester, etc.
    Type: Grant
    Filed: June 2, 1977
    Date of Patent: March 6, 1979
    Assignee: Colgate Palmolive Company
    Inventor: Robert A. Bauman
  • Dentifrices containing amorphous silica
    Patent number: 4141969
    Abstract: Dentifrice containing a compound which provides fluorine, amorphous silica polishing agent and an additive which supplies calcium ions. The dentifrice is compatible with an unlined aluminum container.
    Type: Grant
    Filed: February 22, 1977
    Date of Patent: February 27, 1979
    Assignee: Colgate-Palmolive Company
    Inventor: Robert L. Mitchell
  • Oral compositions containing dextranase
    Patent number: 4140758
    Abstract: Oral compositions containing dextranase and a stabilizer/activator selected from the group consisting of manganeous ions, calcium ions, magnesium ions, and mixtures thereof.
    Type: Grant
    Filed: August 16, 1976
    Date of Patent: February 20, 1979
    Assignee: Colgate-Palmolive Company
    Inventors: James D. Vidra, Julius H. Nachtigal
  • Oral compositions containing an anticalculus agent
    Patent number: 4139608
    Abstract: Oral compositions containing an anticalculus agent selected from the group consisting of Cis, Cis, Cis, Cis-1, 2, 3, 4-cyclopentane tetracarboxylic acid and its alkali metal salts.
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: February 13, 1979
    Assignee: Colgate Palmolive Company
    Inventor: Ronald S. Schreiber
  • Process for preparing dicalcium phosphate dihydrate having a portion of the calcium displaced by divalent metal ion
    Patent number: 4139599
    Abstract: Process for preparing dicalcium phosphate dihydrate with displacement 0.1 - 5% of the calcium by divalent metal ion.
    Type: Grant
    Filed: June 2, 1977
    Date of Patent: February 13, 1979
    Assignee: Colgate Palmolive Company
    Inventors: Kenneth Tomlinson, Edward J. Duff
  • Oral compositions containing an anticalculus agent
    Patent number: 4139609
    Abstract: Oral compositions containing an anticalculus agent selected from the group consisting of 2, 3, 4, 5-tetrahydrofuran tetracarboxylic acid and its alkali metal salts.
    Type: Grant
    Filed: December 27, 1976
    Date of Patent: February 13, 1979
    Assignee: Colgate Palmolive Company
    Inventor: Ronald S. Schreiber
  • Composition to control mouth odor
    Patent number: 4138477
    Abstract: A novel composition to prevent and control mouth odor, which is also effective in preventing calculus, plaque, caries and periodontal disease containing as the essential agent, a zinc-polymer combination formed by the reaction or interaction of a zinc compound with an anionic polymer containing carboxylic, sulfonic and/or phosphonic acid radicals.
    Type: Grant
    Filed: May 28, 1976
    Date of Patent: February 6, 1979
    Assignee: Colgate Palmolive Company
    Inventor: Maria Corazon S. Gaffar
  • Antibacterial oral composition
    Patent number: 4137303
    Abstract: An antibacterial oral composition effective to promote oral hygiene containing an antibacterial antiplaque agent and an additive which reduces staining of dental surfaces caused by the antibacterial antiplaque agent without substantially diminishing the antibacterial and antiplaque activity of the agent. Bis-biguanido hexanes, such as chlorhexidine and alexidine, and quaternary ammonium salts, such as benzethonium chloride and cetyl pyridinium chloride, are typical examples of antibacterial agents. The stain reduction additive is a polyamine polyphosphonic compound, such as ethylenediamine tetra(methylene phosphonic acid) and salts thereof.
    Type: Grant
    Filed: June 3, 1977
    Date of Patent: January 30, 1979
    Assignee: Colgate Palmolive Company
    Inventors: Abdul Gaffar, Anthony R. Volpe
  • Dentifrice
    Patent number: 4132772
    Abstract: There is disclosed a dentifrice containing as sweetener approximately by weight 0.01 to 10.0% of an alkali or alkaline earth metal salt or free base of 3,4-dihydro-1,2,3-oxathiazin-4-one, as well as dental creams, mouth rinses and chewable tablets derived therefrom.
    Type: Grant
    Filed: December 5, 1975
    Date of Patent: January 2, 1979
    Assignee: Colgate Palmolive Company
    Inventors: Jordan B. Barth, Christopher H. Costello
  • Anti-plaque agents
    Patent number: 4130637
    Abstract: Novel betaine compounds derived from higher alkyl dimethyl carboxylic acid quaternary ammonium compounds; the process of preparing said betaines; and compositions containing an effective antimicrobial amount of said betaines admixed with a pharmaceutical carrier. These compounds are effective in controlling dental plaque without producing an esthetically unacceptable discoloration of tooth surfaces.
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: December 19, 1978
    Assignee: Colgate-Palmolive Company
    Inventor: Robert A. Bauman
  • Dentifrice
    Patent number: 4130636
    Abstract: There is disclosed an oral product containing a new and improved surfactant system that is non-toxic, edible and surprising substantially tasteless.
    Type: Grant
    Filed: July 27, 1977
    Date of Patent: December 19, 1978
    Assignee: Colgate-Palmolive Company
    Inventor: Kenneth Tomlinson
  • Quaternary compounds having anti-microbial activity
    Patent number: 4123513
    Abstract: Anti-microbial quaternary ammonium compounds which include the adamantane ring system linked to the quaternary ammonium group by a hydrocarbon chain or by other functional groups, such as ether, carboxylic ester, carboxamide, keto, carbamate ester, thiocarbamate ester, etc.
    Type: Grant
    Filed: June 2, 1977
    Date of Patent: October 31, 1978
    Assignee: Colgate-Palmolive Company
    Inventor: Robert A. Bauman
  • Antibacterial oral composition
    Patent number: 4123512
    Abstract: An antibacterial oral composition effective to promote oral hygiene containing an antibacterial antiplaque agent and an additive which reduces staining of dental surfaces without substantially diminishing the antibacterial and antiplaque activity of the agent. Bis-biguanido hexanes, such as chlorhexidine and alexidine, and quaternary ammonium salts, such as benzethonium chloride and cetyl pyridinium chloride, are typical examples of antibacterial agents. The antistain additive is a polymeric polyphosphonic compound, such as polyallyl bis-(phosphonomethylene) amine acid and salts thereof.
    Type: Grant
    Filed: April 25, 1977
    Date of Patent: October 31, 1978
    Assignee: Colgate-Palmolive Company
    Inventor: Abdul Gaffar
  • Quaternary compounds having anti-microbial activity
    Patent number: 4123514
    Abstract: Anti-microbial quaternary ammonium compounds which include the adamantane ring system linked to the quaternary ammonium group by a hydrocarbon chain or by other functional groups, such as ether, carboxylic ester, carboxamide, keto, carbamate ester, thiocarbamate ester, etc.
    Type: Grant
    Filed: June 2, 1977
    Date of Patent: October 31, 1978
    Assignee: Colgate-Palmolive Company
    Inventor: Robert A. Bauman
  • Toothpaste compositions
    Patent number: 4123517
    Abstract: Toothpaste composition having desirable compatibility with an unlimited aluminum container, which toothpaste contains a polishing material comprising hydrate of alumina and an anionic phosphate mono- or di-ester.
    Type: Grant
    Filed: December 31, 1975
    Date of Patent: October 31, 1978
    Assignee: Colgate-Palmolive Company
    Inventors: Eric Baines, Kenneth Harvey
  • Quaternary compounds having anti-microbial activity
    Patent number: 4123515
    Abstract: Anti-microbiol quaternary ammonium compounds which include the adamantane ring system linked to the quaternary ammonium group by a hydrocarbon chain or by other functional groups, such as ether, carboxylic ester, carboxamide, keto, carbamate ester, thiocarbamate ester, etc.
    Type: Grant
    Filed: June 2, 1977
    Date of Patent: October 31, 1978
    Assignee: Colgate-Palmolive Company
    Inventor: Robert A. Bauman
  • Quaternary compounds having anti-microbial activity
    Patent number: 4123516
    Abstract: Anti-microbial quaternary ammonium compounds which include the adamantane ring system linked to the quaternary ammonium group by a hydrocarbon chain or by other functional groups, such as ether, carboxylic ester, carboxamide, keto, carbamate ester, thiocarbamate ester, etc.
    Type: Grant
    Filed: June 2, 1977
    Date of Patent: October 31, 1978
    Assignee: Colgate-Palmolive Company
    Inventor: Robert A. Bauman