Patents by Inventor Alisha D. Farrington

Alisha D. Farrington 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).

  • Absorbent polymer composition with hazard indicator
    Patent number: 8961820
    Abstract: An granular composition for absorbing liquids, the composition comprising perlite, super-absorbent polymer, a pH-indicating dye, and a minor amount of water. According to one preferred embodiment of the invention, the subject composition comprises about 80 weight percent perlite, about 5 weight percent SAP, about 0.0125 weight percent pH indicating dye (most preferably phenolphthalein), and from about 7 to about 9 weight percent water in the final product.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: February 24, 2015
    Assignee: NCH Corporation
    Inventors: Robert C. Pearce, III, Katrell Deon Copeland, Alisha D. Farrington, Ecaterina Henderson
  • Absorbent Polymer Composition with Hazard Indicator
    Publication number: 20140005030
    Abstract: An granular composition for absorbing liquids, the composition comprising perlite, super-absorbent polymer, a pH-indicating dye, and a minor amount of water. According to one preferred embodiment of the invention, the subject composition comprises about 80 weight percent perlite, about 5 weight percent SAP, about 0.0125 weight percent pH indicating dye (most preferably phenolphthalein), and from about 7 to about 9 weight percent water in the final product.
    Type: Application
    Filed: September 5, 2013
    Publication date: January 2, 2014
    Applicant: NCH Corporation
    Inventors: Robert C. Pearce, III, Katrell Deon Copeland, Alisha D. Farrington, Ecaterina Henderson
  • Absorbent polymer composition with hazard indicator
    Patent number: 8551356
    Abstract: An granular composition for absorbing liquids, the composition comprising perlite, super-absorbent polymer, a pH-indicating dye, and a minor amount of water. According to one preferred embodiment of the invention, the subject composition comprises about 80 weight percent perlite, about 5 weight percent SAP, about 0.0125 weight percent pH indicating dye (most preferably phenolphthalein), and from about 7 to about 9 weight percent water in the final product.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: October 8, 2013
    Assignee: NCH Corporation
    Inventors: Robert C. Pearce, III, Katrell Deon Copeland, Alisha D. Farrington, Ecaterina Henderson
  • Absorbent Polymer Composition with Hazard Indicator
    Publication number: 20110253930
    Abstract: An granular composition for absorbing liquids, the composition comprising perlite, super-absorbent polymer, a pH-indicating dye, and a minor amount of water. According to one preferred embodiment of the invention, the subject composition comprises about 80 weight percent perlite, about 5 weight percent SAP, about 0.0125 weight percent pH indicating dye (most preferably phenolphthalein), and from about 7 to about 9 weight percent water in the final product.
    Type: Application
    Filed: March 29, 2011
    Publication date: October 20, 2011
    Inventors: Robert C. Pearce, III, Katrell Deon Copeland, Alisha D. Farrington, Ecaterina Henderson