Patents by Inventor Dongyan QIN

Dongyan QIN 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).

  • Cleaning compositions containing cationic polymers, and methods of making and using same
    Patent number: 9862912
    Abstract: The present invention relates to cleaning composition, preferably a laundry detergent composition, comprising a cationic polymer capable of improving the overall sudsing profile of such cleaning composition.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: January 9, 2018
    Assignee: The Procter & Gamble Company
    Inventors: Gang Si, Peng Qin, Qi Zhang, Stefano Scialla, Susanne Birkel, Dongyan Qin, Ming Tang, Mark Robert Sivik, Rajan Keshav Panandiker, Christine Mendera, Aaron Flores-Figueroa, Hui Ge
  • Cleaning compositions with improved sudsing profile comprising a cationic polymer and silicone mixture
    Patent number: 9840682
    Abstract: The present invention relates to detergent or cleaning compositions with improved sudsing profile, which comprise a cationic polymer, an organomodified silicone and a siloxane-based diluent.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: December 12, 2017
    Assignee: The Procter & Gamble Company
    Inventors: Gang Si, Rajan Keshav Panandiker, Dongyan Qin, Meng Chen, Yang Zhang, Qi Zhang, Bernard William Kluesener, Raul Rodrigo Gomez, Rebecca Ann Langevin, Ming Tang, Koushik Mukherjee, Peng Qin, Mark Robert Sivik, Susanne Birkel, Aaron Flores-Figueroa
  • DETERGENT OR CLEANING COMPOSITIONS WITH IMPROVED SUDSING PROFILE
    Publication number: 20160130528
    Abstract: The present invention relates to detergent or cleaning compositions with improved sudsing profile, which comprise a cationic polymer, an organomodified silicone and a siloxane-based diluent.
    Type: Application
    Filed: November 11, 2015
    Publication date: May 12, 2016
    Inventors: Gang SI, Rajan Keshav PANANDIKER, Dongyan QIN, Meng CHEN, Yang ZHANG, Qi ZHANG, Bernard William KLUESENER, Raul RODRIGO GOMEZ, Rebecca Ann LANGEVIN, Ming TANG, Koushik MUKHERJEE, Peng QIN, Mark Robert SIVIK, Susanne BIRKEL, Aaron FLORES-FIGUEROA
  • CLEANING COMPOSITIONS CONTAINING CATIONIC POLYMERS, AND METHODS OF MAKING AND USING SAME
    Publication number: 20150376552
    Abstract: The present invention relates to cleaning composition, preferably a laundry detergent composition, comprising a cationic polymer capable of improving the overall sudsing profile of such cleaning composition.
    Type: Application
    Filed: September 9, 2015
    Publication date: December 31, 2015
    Inventors: Gang SI, Peng QIN, Qi ZHANG, Stefano SCIALLA, Susanne BIRKEL, Dongyan QIN, Ming TANG, Mark Robert SIVIK, Rajan Keshav PANANDIKER, Christine MENDERA, Aaron FLORES-FIGUEROA, Hui GE