Patents Represented by Attorney Robert L. Stone

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  • Stable flavor-containing dentifrice
    Patent number: 4590065
    Abstract: A dentifrice composition that reduces the migration/absorption of flavor into plastic packaging materials, containing a flavor oil in combination with about 5.0%-50.0% and preferably 12.0% by weight of the total flavor oils of polyvinyl pyrrolidone (PVP), dispersed in a dental vehicle. The dentifrice composition may be in the form of a paste, cream or gel. It is essential that the flavor oil and PVP be premixed prior to its addition to the dentifrice composition, preferably as a final step in its formulation.
    Type: Grant
    Filed: April 18, 1985
    Date of Patent: May 20, 1986
    Assignee: Colgate-Palmolive Company
    Inventors: Stanley E. Piechota, Jr., Dorinda A. Sparacio
  • Anticalculus oral composition
    Patent number: 4590064
    Abstract: Oral compositions such as mouthwashes and toothpastes, creams, gels and powders containing as anticalculus agent phosphonoformic acid or salt thereof and optionally also an F-providing anticaries compound, and method of using such compositions.
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: May 20, 1986
    Assignee: Colgate-Palmolive Company
    Inventor: Abdul Gaffar
  • Antiplaque dentifrice having improved flavor
    Patent number: 4574081
    Abstract: An antiplaque dentifrice having improved flavor comprising an antiplaque quaternary ammonium compound, a flavoring agent consisting essentially of at least 15% by weight of anethol, up to 46% by weight of menthol and up to 39% by weight of peppermint, and a sweetening agent in the weight ratio of about 6:1 to 1.3:1 flavoring agent:sweetening agent, in a dental vehicle comprising a dental abrasive.
    Type: Grant
    Filed: September 25, 1984
    Date of Patent: March 4, 1986
    Assignee: Colgate-Palmolive Co.
    Inventor: Stephen J. Shymon
  • Dentifrice
    Patent number: 4569838
    Abstract: A dentifrice of desirable rheological properties suitable for facile extrusion from a container such as a flexible dentifrice tube or mechanically operated or pressure differential dispenser, which dentifrice comprises a siliceous polishing material, an antinucleating agent containing at least one phosphonic group and a gelling agent mixture of iota-carrageenan and xanthan.
    Type: Grant
    Filed: November 14, 1984
    Date of Patent: February 11, 1986
    Assignee: Colgate-Palmolive Company
    Inventor: Marijke S. de Vries
  • Extrudable dentifrice
    Patent number: 4565692
    Abstract: A dentifrice of desirable rheological properties suitable for extrusion from a mechanically operated or presssure differential dentifrice dispenser, which dentifrice comprises a polishing agent including dicalcium phosphate or a siliceous polishing material and a gelling agent containing iota-carrageenan or a mixture of iota-carrageenan with a cellulosic gelling agent such as sodium carboxymethyl cellulose.
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: January 21, 1986
    Assignee: Colgate-Palmolive Company
    Inventors: Patricia S. Mulvey, Jordan B. Barth, Linda J. Vellekoop
  • Astringent gel dentifrice
    Patent number: 4562063
    Abstract: Astringent gel dentifrice containing a water-soluble zinc salt, a hydrous silica gel polishing agent compatible and substantially non-reactive with the zinc salt and alkali metal carboxymethyl cellulose.
    Type: Grant
    Filed: December 11, 1984
    Date of Patent: December 31, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: Harry Hayes, Kenneth Harvey
  • Stabilizing of cinnamic aldehyde-containing flavors with terpenes and sesqueterpenes
    Patent number: 4562064
    Abstract: Dentifrice formulations having improved stability against discoloration upon aging comprising an unsaturated aldehyde flavoring agent selected from the group consisting of cinnamic aldehyde and citral and about 0.1-5% of a terpene or sesquiterpene color stabilizer characterized by trisubstituted double bonds and preferably selected from the group consisting of limonene and essential oils rich in limonene such as citrus oils, ocimene, caryophyllene and clove sesquiterpenes, myrcene, terpene derivatives thereof such as citronellyl acetate, and mixtures thereof, in a dental vehicle free of oxidizing agents such as peracids and salts thereof and maintained at a pH below 8.5 and preferably acid to slightly alkaline (about 5-7.5).
    Type: Grant
    Filed: February 9, 1984
    Date of Patent: December 31, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: Robert J. Steltenkamp, Miriam L. Douglass, Gerard E. Natarelli
  • Astringent dentifrice containing monofluorophosphate
    Patent number: 4562066
    Abstract: Astringent dentifrice containing a water-soluble zinc salt and alkali metal monofluorophosphate and a hydrous silica gel polishing agent compatible and substantially non-reactive with each of the zinc salt and the alkali metal monofluorophosphate.
    Type: Grant
    Filed: December 11, 1984
    Date of Patent: December 31, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: Harry Hayes, Kenneth Harvey
  • Astringent dentifrice
    Patent number: 4562065
    Abstract: Astringent dentifrice containing a water-soluble zinc salt and a hydrous silica gel polishing agent compatible and substantially non-reactive with the zinc salt.
    Type: Grant
    Filed: December 11, 1984
    Date of Patent: December 31, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: Harry Hayes, Kenneth Harvey
  • Stabilizing of cinnamic aldehyde-containing flavors with propylene glycol and dipropylene glycol
    Patent number: 4547361
    Abstract: Dentifrice formulations having improved stability against discoloration upon aging comprising an unsaturated aldehyde flavoring agent selected from the group consisting of cinnamic aldehyde and citral and an effective amount in excess of 5% and preferably about 10-45% of a color stabilizer selected from the group consisting of propylene glycol, dipropylene glycol and mixtures thereof, in a dental vehicle free of oxidizing agents such as peracids and salts thereof and maintained at a pH below 8.5 and preferably acid to slightly alkaline (about 5-7.5).
    Type: Grant
    Filed: February 10, 1984
    Date of Patent: October 15, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: Robert J. Steltenkamp, Miriam L. Douglass, Gerard E. Natarelli
  • Peroxydiphosphate toothpaste composition
    Patent number: 4537765
    Abstract: A toothpaste composition containing a peroxydiphosphate salt and optionally a fluorine-providing anticaries agent as substantially the sole oral chemically active agents, in combination with specially selected polishing material, thickeners, and humectants.
    Type: Grant
    Filed: June 21, 1983
    Date of Patent: August 27, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: Abdul Gaffar, Calvin B. Davis, John J. Donohue, Debbie Moy
  • Dentifrice composition
    Patent number: 4529584
    Abstract: A dentifrice composition of desirable rheological properties suitable for efficient filling into a mechanically operated or pressure differential dentifrice dispenser and extrusion therefrom which dentifrice comprises an alpha-alumina trihydrate polishing agent and many active ingredients and a gelling agent mixture of a cellulosic gelling agent such as sodium carboxymethyl cellulose and iota-carrageenan.
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: July 16, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: Patricia S. Mulvey, Harry Hayes, Richard J. Crawford
  • Dentrifrice preparation
    Patent number: 4529585
    Abstract: A dentifrice preparation of desirable rheological properties suitable for efficient filling into a mechanically operated or pressure differential dentifrice dispenser and extrusion therefrom which dentifrice comprises an alpha-alumina trihydrate polishing agent and many active ingredients and a gelling agent mixture of xanthan and iota-carrageenan.
    Type: Grant
    Filed: December 23, 1983
    Date of Patent: July 16, 1985
    Assignee: Colgate-Palmolive Company
    Inventor: Harry Hayes
  • Stable antiplaque dentifrice with improved foaming
    Patent number: 4528182
    Abstract: A stable antiplaque dentifrice with improved foaming containing an antiplaque quaternary ammonium compound, a betaine surfactant to improve foaming without inactivating the antibacterial and antiplaque activity of the quaternary ammonium compound, a humectant selected from the group consisting of polyethylene glycol, sorbitol and mixtures thereof, and a nonionic gelling agent, preferably hydroxyethylcellulose, in an aqueous vehicle containing a dental abrasive. A fluorine-containing compound such as monofluorophosphate is an optionally preferred ingredient.
    Type: Grant
    Filed: July 13, 1983
    Date of Patent: July 9, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: John P. Curtis, Richard J. Crawford, Kathleen M. Yuhasz
  • Dentifrice containing dual sources of fluoride
    Patent number: 4528181
    Abstract: Dentifrice containing a liquid vehicle containing water, a gelling agent, a dual source of at least about 500 ppm of fluorine comprising sodium fluoride and sodium monofluorophosphate, a precipitated, amorphous silica gel having an average particle size of 1 to 30 microns and(a) a surface area of 1 to 600 m.sup.2 /g,(b) a pore volume of 0.05 to 0.5 cm.sup.3 /g,(c) a product of surface area (in m.sup.2 /g).times.pore volume (in cm.sup.3 /g) less than or equal to 240,(d) a calculated pore diameter of 1.5 to 2.5 nm, and(e) a water content of less than 25% by weight, a source of calcium corresponding to up to about 0.004% by weight (40 ppm) of calcium ion and about 0.25%-5% by weight of an alkali metal phytate. The alkali metal phytate improves retention of total soluble fluorine.
    Type: Grant
    Filed: February 1, 1984
    Date of Patent: July 9, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: Anthony J. Morton, Kenneth Harvey, Harry Hayes
  • Stable dentifrice containing neutral siliceouse polishing agent
    Patent number: 4526778
    Abstract: There is disclosed a dentifrice formulation which is stable in the sense of not producing gassing as evidenced by visually discernable distention over a period of 168 days at 43.degree. C. in an unlined aluminium tube.The formulation comprises an aqueous dentally acceptable oral vehicle at least 27.5% by weight of the dentifrice comprising water and dispersed in the said oral vehicle from 10 to 40% by weight of the dentifrice of a neutral siliceous polishing agent having a stirred slurry pH (as herein defined) in the range from 6.5 to 7.5, and a stabilizing amount of monofluorophosphate ion, the dentifrice having a stirred slurry pH in the range from 5.5 to 8.
    Type: Grant
    Filed: May 31, 1984
    Date of Patent: July 2, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: Kenneth Harvey, Stephen T. Connors
  • Dentifrice composition containing visually clear pigment-colored stripe
    Patent number: 4518578
    Abstract: A visually clear pigmented dentifrice in which a color-intensive conjugated pigment, such as a phthalocyanine is dispersed homogeneously throughout the clear dentifrice. The dentifrice is characterized as retaining color without substantial fading and with retention of clarity.
    Type: Grant
    Filed: June 14, 1984
    Date of Patent: May 21, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: Harry Hayes, Kenneth Harvey
  • Oral product for controlling gingivitis
    Patent number: 4514382
    Abstract: An oral composition for treating gingivitis and periodontitis comprising an oral vehicle and an effective amount of the water insoluble antigingivitis agent, imidazolyl-1-1-(p-chlorophenoxy) 3-3-dimethyl 2-butanone solubilized in a nonionic compound containing a mixture of hydrophobic and hydrophilic groups of sufficient length to effect solubilization in an aqueous vehicle, in the weight ratio of 1:1 to 25:1 and preferably 3:1 to 25:1 solubilizer:imidazoyl compound, said agent being selectively effective against the gram negative anaerobic micro-organisms associated with periodontitis.
    Type: Grant
    Filed: January 16, 1984
    Date of Patent: April 30, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: Abdul Gaffar, Calvin B. Davis, Margita L. Vasers
  • Antiplaque dentifrice with improved fluoride stability
    Patent number: 4490353
    Abstract: A stable antiplaque dentifrice with improved foaming and improved fluoride stability containing an antiplaque quaternary ammonium compound, a betaine surfactant to improve foaming without inactivating the anti-bacterial and antiplaque activity of the quaternary ammonium compound, a humectant selected from the group consisting of polyethylene glycol, sorbitol, and mixtures thereof, a nonionic gelling agent, preferably hydroxyethylcellulose and a fluorine-containing compound capable of providing a fluoride ion, a small amount of glycerin to improve fluoride stability in polyethylene glycol humectant, in an aqueous vehicle containing a dental abrasive. A small amount of glycerin, as low as 1%, improves the long term fluoride stability of the dentifrice without adversely affecting the cosmetic stability thereof.
    Type: Grant
    Filed: July 13, 1983
    Date of Patent: December 25, 1984
    Assignee: Colgate-Palmolive Company
    Inventors: Richard J. Crawford, Kathleen M. Yuhasz, John P. Curtis
  • Oral composition
    Patent number: RE31954
    Abstract: Oral composition having a mellow flavor characteristic due to the presence of a .Iadd.sialagogue of a .Iaddend.flavoring oil and a 5'-ribonucleotide as a flavor modifying agent.Iadd., further containing a sweetening agent characterized by early appearance of sweetness and early extinction of sweetness. Sucrose, lactose, maltose, glycerine, sorbitol, perillartine, xylitol, sodium cyclamate and sodium saccharine are examples of such sweetening agents.Iaddend.. Early high or flash foaming is also promoted. Typical agents are disodium 5'-guanylate and disodium 5'-inosinate.
    Type: Grant
    Filed: March 26, 1984
    Date of Patent: July 23, 1985
    Assignee: Colgate-Palmolive Company
    Inventors: Ralph Fine, Sidney Weiss