Patents by Inventor ChinXin Woo

ChinXin Woo 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).

  • Dissolvable solid article containing anti-bacterial actives
    Patent number: 11826439
    Abstract: Disclosed is a dissolvable solid article, comprising by weight of the article: from about 10% to about 50% of a water soluble polymer; from about 20% to about 80% of a surfactant; from about 0.5% to about 2% of diaminocarboxylic acid chelants and salts thereof having an average molecular weight in acid form of from about 250 to about 450 daltons and having a weighted log P value at pH 4 of from about ?12 to about ?7; from about 0.1% to about 6% of an aromatic carboxylic acid and salts thereof having an average molecular weight in acid form of from about 100 to about 400 daltons and having a weighted log P value at pH 4 of from about ?2 to about 4; from about 0.1% to about 18% of an non-aromatic organic alpha hydroxy acid and salts thereof; wherein the dissolvable solid article has a pH of from about 3 to about 5.1 when dissolved with 30 parts water to 1 part of the dissolvable solid article.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: November 28, 2023
    Assignee: The Procter & Gamble Company
    Inventors: Ian-Ling Lim, Kai Wei Kelvin Lee, Shikhar Gupta, Minoru Kobayashi, Toshiyuki Okada, Robert Wayne Glenn, Jr., ChinXin Woo
  • DISSOLVABLE SOLID ARTICLE CONTAINING ANTI-BACTERIAL ACTIVES
    Publication number: 20220071857
    Abstract: Disclosed is a dissolvable solid article, comprising by weight of the article: from about 10% to about 50% of a water soluble polymer; from about 20% to about 80% of a surfactant; from about 0.5% to about 2% of diaminocarboxylic acid chelants and salts thereof having an average molecular weight in acid form of from about 250 to about 450 daltons and having a weighted log P value at pH 4 of from about ?12 to about ?7; from about 0.1% to about 6% of an aromatic carboxylic acid and salts thereof having an average molecular weight in acid form of from about 100 to about 400 daltons and having a weighted log P value at pH 4 of from about ?2 to about 4; from about 0.1% to about 18% of an non-aromatic organic alpha hydroxy acid and salts thereof; wherein the dissolvable solid article has a pH of from about 3 to about 5.1 when dissolved with 30 parts water to 1 part of the dissolvable solid article.
    Type: Application
    Filed: September 10, 2021
    Publication date: March 10, 2022
    Inventors: Ian-Ling Lim, Kai Wei Kelvin Lee, Shikhar Gupta, Minoru Kobayashi, Toshiyuki Okada, Robert Wayne Glenn, JR., ChinXin Woo