Patents by Inventor Patricia D. Kigin

Patricia D. Kigin 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).

  • SUSTAINED RELEASE COMPOSITIONS USING WAX-LIKE MATERIALS
    Publication number: 20210113469
    Abstract: Sustained release spherical or non-spherical pellets comprising (a) an active ingredient (b) a wax-like agent, and (c) a spheronizing agent are provided. Oral dosage forms comprising said pellets and methods for preparing and using such pellets and dosage forms are also provided.
    Type: Application
    Filed: December 18, 2020
    Publication date: April 22, 2021
    Inventors: Andrew Xian Chen, Patricia D. Kigin
  • Sustained release compositions using wax-like materials
    Patent number: 10888521
    Abstract: Sustained release spherical or non-spherical pellets comprising (a) an active ingredient (b) a wax-like agent, and (c) a spheronizing agent are provided. Oral dosage forms comprising the pellets and methods for preparing and using such pellets and dosage forms are also provided.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: January 12, 2021
    Assignee: Farnam Companies, Inc.
    Inventors: Andrew Xian Chen, Patricia D. Kigin
  • Chewable sustained release formulations
    Patent number: 10668012
    Abstract: Sustained release compositions in tablet or multiparticulate forms comprising (a) an active ingredient, (b) a primary sustain release agent, (c) a wax-like agent, and (d) a bulking or spheronizing agent are provided. The compositions are chewable and/or taste masked. Oral dosage forms comprising such compositions and methods for preparing and using such compositions and dosage forms are also provided.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: June 2, 2020
    Assignee: Farnam Companies, Inc.
    Inventors: Andrew Xian Chen, Patricia D Kigin, Hai Liang Chen, Jun Fan
  • CHEWABLE SUSTAINED RELEASE FORMULATIONS
    Publication number: 20100062988
    Abstract: Sustained release compositions in tablet or multiparticulate forms comprising (a) an active ingredient, (b) a primary sustain release agent, (c) a wax-like agent, and (d) a bulking or spheronizing agent are provided. The compositions are chewable and/or taste masked. Oral dosage forms comprising such compositions and methods for preparing and using such compositions and dosage forms are also provided.
    Type: Application
    Filed: September 4, 2009
    Publication date: March 11, 2010
    Applicant: Farnam Companies, Inc.
    Inventors: Andrew Xian Chen, Patricia D. Kigin, Hai Liang Chen, Jun Fan
  • SUSTAINED RELEASE COMPOSITIONS USING WAX-LIKE MATERIALS
    Publication number: 20080220079
    Abstract: Sustained release spherical or non-spherical pellets comprising (a) an active ingredient (b) a wax-like agent, and (c) a spheronizing agent are provided. Oral dosage forms comprising said pellets and methods for preparing and using such pellets and dosage forms are also provided.
    Type: Application
    Filed: February 29, 2008
    Publication date: September 11, 2008
    Applicant: FARNAM COMPANIES, INC.
    Inventors: Andrew Xian Chen, Patricia D. Kigin