Patents by Inventor Drew Williams

Drew Williams 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).

  • Publication number: 20230138358
    Abstract: Provided herein are coated particles, such as, for example, proppants comprising a coating. A coated particle of the present invention may swell upon contact with a solution having a salinity in a range of about 50 ppm to about 100,000 ppm and/or having a hardness in a range of about 1 ppm to about 150,000 ppm. The amount of swelling may vary by less than 50% over a salinity concentration in a range of about 50 ppm to about 100,000 ppm and/or a hardness concentration in a range of about 1 ppm to about 150,000 ppm. Also provided herein are methods of making coated particles and methods of using the same.
    Type: Application
    Filed: May 22, 2017
    Publication date: May 4, 2023
    Inventors: Ryan Nicholas Chan, Drew Williams, Caleb Meredith, Charlotte Holt, Hasan Sadeghifar, James Charles Bray
  • Publication number: 20210244844
    Abstract: Disclosed is an absorbent article with biocompostable properties, such as a baby diaper, adult incontinence product, or a feminine hygiene pad. Particularly, the present invention is directed to a biocompostable absorbent sanitary article with a high degree of biocompostability. The sanitary article comprises, in one embodiment, at least a top layer, a back layer, and absorbent core, wherein the absorbent core includes a superabsorbent polymer, and wherein at least the superabsorbent polymer is biocompostable.
    Type: Application
    Filed: March 30, 2021
    Publication date: August 12, 2021
    Applicant: Tethis, Inc.
    Inventors: Ryan Nicholas Chan, Gordon Sidney Cox, Hailey Katherine Davis, Nicholas Willard Perry, Rachel Laura Preston, Drew Williams
  • Patent number: 10980912
    Abstract: Disclosed is an absorbent article with biocompostable properties, such as a baby diaper, adult incontinence product, or a feminine hygiene pad. Particularly, the present invention is directed to a biocompostable absorbent sanitary article with a high degree of biocompostability. The sanitary article comprises, in one embodiment, at least a top layer, a back layer, and absorbent core, wherein the absorbent core includes a superabsorbent polymer, and wherein at least the superabsorbent polymer is biocompostable.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: April 20, 2021
    Assignee: TETHIS, INC.
    Inventors: Ryan Nicholas Chan, Gordon Sidney Cox, Hailey Katherine Davis, Nicholas Willard Perry, Rachel Laura Preston, Drew Williams
  • Patent number: 10689566
    Abstract: Provided herein are coated particles, such as, for example, proppants comprising a coating. A coated particle of the present invention may swell upon contact with a solution having a salinity in a range of about 50 ppm to about 100,000 ppm and/or having a hardness in a range of about 1 ppm to about 150,000 ppm. The amount of swelling may vary by less than 50% over a salinity concentration in a range of about 50 ppm to about 100,000 ppm and/or a hardness concentration in a range of about 1 ppm to about 150,000 ppm. Also provided herein are methods of making coated particles and methods of using the same.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: June 23, 2020
    Assignee: Anavo Technologies, LLC
    Inventors: Ryan Nicholas Chan, Drew Williams, Caleb Meredith, Charlotte Holt, James Charles Bray
  • Publication number: 20200054782
    Abstract: Disclosed is an absorbent article with biocompostable properties, such as a baby diaper, adult incontinence product, or a feminine hygiene pad. Particularly, the present invention is directed to a biocompostable absorbent sanitary article with a high degree of biocompostability. The sanitary article comprises, in one embodiment, at least a top layer, a back layer, and absorbent core, wherein the absorbent core includes a superabsorbent polymer, and wherein at least the superabsorbent polymer is biocompostable.
    Type: Application
    Filed: October 4, 2019
    Publication date: February 20, 2020
    Applicant: Tethis, Inc.
    Inventors: Ryan Nicholas Chan, Gordon Sidney Cox, Hailey Katherine Davis, Nicholas Willard Perry, Rachel Laura Preston, Drew Williams
  • Publication number: 20180371309
    Abstract: Provided herein are coated particles, such as, for example, proppants comprising a coating. A coated particle of the present invention may swell upon contact with a solution having a salinity in a range of about 50 ppm to about 100,000 ppm and/or having a hardness in a range of about 1 ppm to about 150,000 ppm. The amount of swelling may vary by less than 50% over a salinity concentration in a range of about 50 ppm to about 100,000 ppm and/or a hardness concentration in a range of about 1 ppm to about 150,000 ppm. Also provided herein are methods of making coated particles and methods of using the same.
    Type: Application
    Filed: November 18, 2016
    Publication date: December 27, 2018
    Inventors: Ryan Nicholas Chan, Drew Williams, Caleb Meredith, Charlotte Holt, Hasan Sadeghifar