Patents by Inventor Nutan B. Shah

Nutan B. Shah 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).

  • Denture stabilizing zinc and strontium salts of ave/ma copolymer
    Patent number: 4758630
    Abstract: Zinc and strontium unmixed partial salts of lower alkyl vinyl ether-maleic acid copolymers useful as denture adhesives.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: July 19, 1988
    Assignee: Richardson-Vicks Inc.
    Inventors: Nutan B. Shah, Michael C. Gounaris, Kenneth T. Holeva
  • Method of cleaning dentures using aerated foams
    Patent number: 4511486
    Abstract: A foamable liquid denture cleanser and deodorant comprising surfactant, humectant, water and an appreciable amount of ethanol or isopropanol. Flavoring, sweetening, coloring, scenting and the like ingredients are optionally added. The cleanser is applied to dentures as an aerated foam from a conventional foam-dispensing device.
    Type: Grant
    Filed: March 7, 1983
    Date of Patent: April 16, 1985
    Assignee: Richardson-Vicks Inc.
    Inventor: Nutan B. Shah
  • Stable oral compositions containing zinc and fluoride compounds
    Patent number: 4469674
    Abstract: An oral composition containing zinc salicylate, zinc lactate or zinc gluconate in combination with an ionic fluoride salt.
    Type: Grant
    Filed: May 2, 1983
    Date of Patent: September 4, 1984
    Assignee: Richardson-Vicks Inc.
    Inventors: Nutan B. Shah, Nicholas F. Schmidt
  • Toothpastes with reduced salinity
    Patent number: 4415549
    Abstract: Toothpaste compositions having monoammonium glycyrrhizinate, strontium disodium ethylenediamine tetraacetate and sodium fluoride or sodium monofluorophosphate.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: November 15, 1983
    Assignee: Richardson-Vicks Inc.
    Inventors: Nutan B. Shah, Marvin K. Cook
  • Dentifrices with improved soluble fluoride availability
    Patent number: 4357318
    Abstract: Dentifrice preparations having improved soluble fluoride availability are obtained by incorporation of a dibasic alkali metal phosphate either alone or in combination with a calcium ion chelating agent.
    Type: Grant
    Filed: July 31, 1981
    Date of Patent: November 2, 1982
    Assignee: Richardson-Vicks Inc.
    Inventors: Nutan B. Shah, Nicholas F. Schmidt
  • Zinc derivatives and their use in dental compositions
    Patent number: 4325939
    Abstract: A novel zinc compound, an alkali metal or ammonium zinc citrate, is prepared for use in dental compositions and especially in mouthwash compositions to provide mouthwashes with less astringency without loss of anti-odor properties, improved water solubility of the zinc compound and improved chemical compatibility when ionic fluoride salts are employed in compositions along with the zinc compound.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: April 20, 1982
    Assignee: Richardson-Vicks Inc.
    Inventor: Nutan B. Shah
  • Non-adhesive gel compositions for stabilizing dentures
    Patent number: 4315779
    Abstract: A substantially non-adhesive gel composition for use in improving the fit and adaptation of dentures to the oral cavity of the user, which comprises about 1 to 10% by weight of a hydrophilic cellulose polymer or alginate, about 5 to about 40% by weight of a demulcent, preferably glycerine, and about 50 to about 95% water. The composition reduces denture movement and prevents buildup of undesireable deposit such as plaque or the like.
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: February 16, 1982
    Assignee: Richardson-Vicks Inc.
    Inventors: Allen Heyd, Nutan B. Shah
  • Zinc derivatives and their use in mouthwash compositions
    Patent number: 4289754
    Abstract: A novel zinc compound, an alkali metal or ammonium zinc citrate, is prepared for use in mouthwash compositions to provide mouthwashes with less astringency without loss of anti-odor properties, improved water solubility of the zinc compound and improved chemical compatibility when ionic fluoride salts are employed in compositions along with the zinc compound.
    Type: Grant
    Filed: November 3, 1980
    Date of Patent: September 15, 1981
    Assignee: Richardson-Vicks Inc.
    Inventors: Dadi J. Dhabhar, Nutan B. Shah
  • Dentifrices with improved soluble fluoride availability
    Patent number: 4283385
    Abstract: Dentifrice preparations having improved soluble fluoride availability are obtained by incorporation of ethylenediamine tetraacetic acid and sodium salts thereof.
    Type: Grant
    Filed: May 9, 1980
    Date of Patent: August 11, 1981
    Assignee: Richardson-Merrell Inc.
    Inventors: Dadi J. Dhabhar, Nutan B. Shah
  • Dentifrice compositions
    Patent number: 4224310
    Abstract: Dentifrice composition having strontium disodium ethylenediamine tetraacetate formed in situ.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: September 23, 1980
    Assignee: Richardson-Merrell, Inc.
    Inventor: Nutan B. Shah