Patents by Inventor Nora C. Lin

Nora C. Lin 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).

  • Dentifrice Compositions Changing of Color When Tooth Brushing
    Publication number: 20150297480
    Abstract: Described herein are powder coated films comprising a polymer matrix designed for use in a toothpaste to indicate a color change during brushing, dentifrice compositions comprising the films, and methods of making and using the same.
    Type: Application
    Filed: November 27, 2012
    Publication date: October 22, 2015
    Inventors: Guisheng Pan, Dipak Patel, Gregory Szewczyk, Nora C. Lin
  • Dual component tooth whitening dentrifice
    Publication number: 20040136929
    Abstract: A peroxide containing dual component dentifrice composition providing enhanced whitening efficacy and minimal gingival irritation and tooth sensitivity, the composition being comprised of a separately maintained first aqueous dentifrice component containing a peroxide compound and an abrasive system compatible with the peroxide and a second aqueous dentifrice component containing a desensitizing compound and an abrasive that is incompatible with peroxide compound whereby when the components are mixed and combined for the first time and exposed to the surface of teeth, an enhanced whitening effect is obtained with minimal tooth sensitivity and gum irritation.
    Type: Application
    Filed: December 22, 2003
    Publication date: July 15, 2004
    Applicant: Colgate-Palmolive Company
    Inventors: Lynette A. Zaidel, Nora C. Lin
  • DUAL COMPONENT TOOTH WHITENING DENTIFRICE
    Publication number: 20040062723
    Abstract: A peroxide containing dual component dentifrice composition providing enhanced whitening efficacy and minimal gingival irritation and tooth sensitivity, the composition being comprised of a separately maintained first aqueous dentifrice component containing a peroxide compound and an abrasive system compatible with the peroxide and a second aqueous dentifrice component containing a desensitizing compound and an abrasive that is incompatible with peroxide compound whereby when the components are mixed and combined for the first time and exposed to the surface of teeth, an enhanced whitening effect is obtained with minimal tooth sensitivity and gum irritation.
    Type: Application
    Filed: September 27, 2002
    Publication date: April 1, 2004
    Inventors: Lynette A. Zaidel, Nora C. Lin