Patents by Inventor Chengkang Tan

Chengkang Tan 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).

  • Oral Care Compositions and Methods of Use
    Publication number: 20220125698
    Abstract: This invention relates to oral care compositions comprising arginine or lysine, zinc citrate and zinc oxide, fluoride source, and a silica abrasive which exhibits an acid pH when measured as an aqueous slurry as well as to methods of using and of making these compositions.
    Type: Application
    Filed: January 7, 2022
    Publication date: April 28, 2022
    Applicant: Colgate-Palmolive Company
    Inventors: Michael PRENCIPE, Amy RUSSO, Hansruedi STETTLER, Betty WON, Lisa Marie MANUS, Michael STRANICK, Peng YAN, Chengkang TAN, Vyoma PATEL, André MORGAN, Andrei POTANIN, Xiao Yi HUANG
  • Oral care compositions and methods of use
    Patent number: 11234915
    Abstract: This invention relates to oral care compositions comprising arginine or lysine, zinc citrate and zinc oxide, fluoride source, and a silica abrasive which exhibits an acid pH when measured as an aqueous slurry as well as to methods of using and of making these compositions.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: February 1, 2022
    Assignee: Colgate-Palmolive Company
    Inventors: Michael Prencipe, Amy Russo, Hansruedi Stettler, Betty Won, Lisa Manus, Michael Stranick, Peng Yan, Chengkang Tan, Vyoma Patel, André Morgan, Andrei Potanin, Xiao Yi Huang
  • Oral care compositions and methods of use
    Patent number: 11207254
    Abstract: Described herein are oral care compositions comprising a basic amino acid; a combination of zinc ion sources; and from about 0.75 wt. % to about 2 wt. % of a chelating system; along with methods of making and using same.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: December 28, 2021
    Assignee: Colgate-Palmolive Company
    Inventors: Marcella Mourao, Wilbens Josias, Betty Won, Lisa Manus, Michael A. Stranick, Xiaoyi Huang, Michael Prencipe, Amy Russo, Hansruedi Stettler, Peng Yan, Chengkang Tan, Vyoma Patel, André Michelle Morgan, Andrei Potanin
  • Oral Care Compositions and Methods of Use
    Publication number: 20200206116
    Abstract: This invention relates to oral care compositions comprising arginine or lysine, zinc citrate and zinc oxide, fluoride source, and a silica abrasive which exhibits an acid pH when measured as an aqueous slurry as well as to methods of using and of making these compositions.
    Type: Application
    Filed: March 11, 2020
    Publication date: July 2, 2020
    Applicant: Colgate-Palmolive Company
    Inventors: Michael PRENCIPE, Amy RUSSO, Hansruedi STETTLER, Betty WON, Lisa MANUS, Michael STRANICK, Peng YAN, Chengkang TAN, Vyoma PATEL, André MORGAN, Andrei POTANIN, Xiao Yi HUANG
  • Oral Care Compositions and Methods of Use
    Publication number: 20200170913
    Abstract: Described herein are oral care compositions comprising a basic amino acid; a combination of zinc ion sources; and from about 0.75 wt. % to about 2 wt. % of a chelating system; along with methods of making and using same.
    Type: Application
    Filed: January 31, 2020
    Publication date: June 4, 2020
    Applicant: Colgate-Palmolive Company
    Inventors: Marcella MOURAO, Wilbens JOSIAS, Betty WON, Lisa MANUS, Michael A. STRANICK, Xiaoyi HUANG, Michael PRENCIPE, Amy RUSSO, Hansruedi STETTLER, Peng YAN, Chengkang TAN, Vyoma PATEL, André Michelle MORGAN, Andrei POTANIN
  • Oral care compositions and methods of use
    Patent number: 10617620
    Abstract: This invention relates to oral care compositions comprising arginine or lysine, zinc citrate and zinc oxide, fluoride source, and a silica abrasive which exhibits an acid pH when measured as an aqueous slurry as well as to methods of using and of making these compositions.
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: April 14, 2020
    Assignee: Colgate-Palmolive Company
    Inventors: Xiaoyi Huang, Michael Prencipe, Amy Russo, Hansruedi Stettler, Betty Won, Lisa Manus, Michael Stranick, Peng Yan, Chengkang Tan, Vyoma Patel, Andre Morgan, Andrei Potanin
  • Oral care compositions and methods of use
    Patent number: 10588840
    Abstract: Described herein are oral care compositions comprising a basic amino acid; a combination of zinc ion sources; and from about 0.75 wt. % to about 2 wt. % of a chelating system; along with methods of making and using same.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: March 17, 2020
    Assignee: Colgate-Palmolive Company
    Inventors: Marcella Mourao, Wilbens Josias, Betty Won, Lisa Manus, Michael Stranick, Xiaoyi Huang, Michael Prencipe, Amy Russo, Hansruedi Stettler, Peng Yan, Chengkang Tan, Vyoma Patel, Andre Michelle Morgan, Andrei Potanin
  • High salt toothpaste with stable viscosity
    Patent number: 10098820
    Abstract: A toothpaste comprising at least 5% sodium chloride and a carrageenan-based binder, having high antibacterial efficacy, very stable viscosity and excellent striping properties, together with methods and uses therefore.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: October 16, 2018
    Assignee: Colgate-Palmolive Company
    Inventors: Yuyan Zeng, Chengkang Tan, Pingdong Li, Yun Xu
  • Oral Care Compositions and Methods of Use
    Publication number: 20180263885
    Abstract: Described herein are oral care compositions comprising a basic amino acid; a combination of zinc ion sources; and from about 0.75 wt. % to about 2 wt. % of a chelating system; along with methods of making and using same.
    Type: Application
    Filed: June 23, 2017
    Publication date: September 20, 2018
    Applicant: Colgate-Palmolive Company
    Inventors: Marcella MOURAO, Wilbens JOSIAS, Betty WON, Lisa MANUS, Michael STRANICK, Xiaoyi HUANG, Michael PRENCIPE, Amy RUSSO, Hansruedi STETTLER, Peng YAN, Chengkang TAN, Vyoma PATEL, Andre Michelle MORGAN, Andrei POTANIN
  • Oral Care Compositions and Methods of Use
    Publication number: 20180221259
    Abstract: Described herein are oral care compositions comprising a basic amino acid; a combination of zinc ion sources; and a thickening system comprising a nonionic cellulose ether having a viscosity, measured at 2% in water at 25° C., of 4500 to 7500 cps; and a polysaccharide gum; along with methods of making and using same.
    Type: Application
    Filed: June 23, 2017
    Publication date: August 9, 2018
    Applicant: Colgate-Palmolive Company
    Inventors: Andrei POTANIN, Tilo POTH, Amit AHUJA, Claude BLANVALET, Betty WON, Lisa MANUS, Michael STRANICK, Xiao Yi HUANG, Michael PRENCIPE, Amy RUSSO, Hansruedi STETTLER, Peng YAN, Chengkang TAN, Vyoma PATEL, Andre MORGAN
  • Oral Compositions and Methods of Use
    Publication number: 20180207073
    Abstract: Described herein are oral care compositions comprising an amino acid; a combination of zinc ion sources; and a thickening system comprising a nonionic cellulose ether having a molecular weight of from about 300,000 to about 350,000; and a polysaccharide gum; along with methods of making and using same.
    Type: Application
    Filed: June 23, 2017
    Publication date: July 26, 2018
    Applicant: Colgate-Palmolive Company
    Inventors: Tilo POTH, Andrei POTANIN, Claude BLANVALET, Betty WON, Lisa Manus, Michael A. STRANICK, Xiaoyi HUANG, Michael PRENCIPE, Amy RUSSO, Hansruedi STETTLER, Peng YAN, Chengkang TAN, Vyoma PATEL, Andre MORGAN
  • HIGH SALT TOOTHPASTE WITH STABLE VISCOSITY
    Publication number: 20170119634
    Abstract: A toothpaste comprising at least 5% sodium chloride and a carrageenan-based binder, having high antibacterial efficacy, very stable viscosity and excellent striping properties, together with methods and uses therefore.
    Type: Application
    Filed: December 11, 2013
    Publication date: May 4, 2017
    Applicant: Colgate-Palmolive Company
    Inventors: Yuyan Zeng, Chengkang Tan, Pingdong Li, Yun Xu
  • METHODS OF TREATING GINGIVITIS USING HIGH SALT TOOTHPASTE
    Publication number: 20170035663
    Abstract: A method of treating gingivitis comprises applying a toothpaste comprising at least 5% sodium chloride in a toothpaste base comprising a non-silica calcium carbonate abrasive and humectant, to the oral surfaces, e.g., the teeth and gums, of a patient in need thereof, together with compositions for use therefor.
    Type: Application
    Filed: December 11, 2013
    Publication date: February 9, 2017
    Applicant: Colgate-Palmolive Company
    Inventors: Yuyan Zeng, Chengkang Tan, Pingdong Li, Yun Xu
  • Toothpaste composition
    Patent number: 9468592
    Abstract: Described herein are toothpaste compositions comprising an orally acceptable vehicle; calcium carbonate; and a binder system comprising guar gum and at least one cellulose polymer.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: October 18, 2016
    Assignee: Colgate-Palmolive Company
    Inventors: Rolando Plata, Xiaojing Lu, Yuyan Zeng, Chengkang Tan
  • Processes for preparing toothpaste compositions
    Patent number: 9254253
    Abstract: Disclosed herein are methods of manufacturing toothpaste compositions comprising calcium carbonate.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: February 9, 2016
    Assignee: COLGATE-PALMOLIVE COMPANY
    Inventors: Rolando Plata, Xiaojing Lu, Yuyan Zeng, Chengkang Tan
  • Processes for Preparing Toothpaste
    Publication number: 20150265518
    Abstract: Disclosed herein are methods of manufacturing toothpaste compositions comprising calcium carbonate.
    Type: Application
    Filed: October 19, 2012
    Publication date: September 24, 2015
    Inventors: Rolando Plata, Xiaojing Lu, Yuyan Zeng, Chengkang Tan
  • Toothpaste Composition
    Publication number: 20150238395
    Abstract: Described herein are toothpaste compositions comprising an orally acceptable vehicle; calcium carbonate; and a binder system comprising guar gum and at least one cellulose polymer.
    Type: Application
    Filed: October 19, 2012
    Publication date: August 27, 2015
    Inventors: Rolando Plata, Xiaojing Lu, Yuyan Zeng, Chengkang Tan