Patents by Inventor Keith HAAS

Keith HAAS 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).

  • Insecticide formulation
    Patent number: 10694749
    Abstract: The present invention provides an insecticide formulation, the insecticide formulation comprising a Bacillus thuringiensis (BT) strain; a floating agent and a disintegration agent bound on a substrate. The substrate has a density greater than 1.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: June 30, 2020
    Assignee: Wellmark International
    Inventors: George Gu, Keith Haas, Jeanne Witte
  • Extended release formulation
    Patent number: 10645931
    Abstract: The present invention provides an extended release insecticide formulation, the formulation comprising: an insecticide on a substrate; a lipophilic wax, wherein the insecticide is incorporated into the wax forming a matrix; a release retarding polymer in the matrix; and a rate extending polymer embed the matrix. Methods of making the formulation and use of the formulation are also provided.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: May 12, 2020
    Assignee: WELLMARK INTERNATIONAL
    Inventors: George Gu, Min Xie, Keith Haas, Doug Vangundy
  • Extended release formulation
    Patent number: 10645932
    Abstract: The present invention provides an extended release insecticide formulation, the formulation comprising: an insecticide on a substrate; a lipophilic wax, wherein the insecticide is incorporated into the wax forming a matrix; a release retarding polymer embedded in the matrix; and a rate extending polymer embedded in the matrix. Methods of making the formulation and use of the formulation are also provided.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: May 12, 2020
    Assignee: WELLMARK INTERNATIONAL
    Inventors: George Gu, Min Xie, Keith Haas, Doug Vangundy
  • EXTENDED RELEASE FORMULATION
    Publication number: 20180325116
    Abstract: The present invention provides an extended release insecticide formulation, the formulation comprising: an insecticide on a substrate; a lipophilic wax, wherein the insecticide is incorporated into the wax forming a matrix; a release retarding polymer in the matrix; and a rate extending polymer embed the matrix. Methods of making the formulation and use of the formulation are also provided.
    Type: Application
    Filed: July 25, 2018
    Publication date: November 15, 2018
    Applicant: Wellmark International
    Inventors: George Gu, Min Xie, Keith Haas, Doug Vangundy
  • EXTENDED RELEASE FORMULATION
    Publication number: 20180168162
    Abstract: The present invention provides an extended release insecticide formulation, the formulation comprising: an insecticide on a substrate; a lipophilic wax, wherein the insecticide is incorporated into the wax forming a matrix; a release retarding polymer in the matrix; and a rate extending polymer embed the matrix. Methods of making the formulation and use of the formulation are also provided.
    Type: Application
    Filed: March 10, 2017
    Publication date: June 21, 2018
    Applicant: WELLMARK INTERNATIONAL
    Inventors: GEORGE GU, Min Xie, Keith Haas, Doug Vangundy
  • INSECTICIDE FORMULATION
    Publication number: 20170360047
    Abstract: The present invention provides an insecticide formulation, the insecticide formulation comprising a Bacillus thuringiensis (BT) strain; a floating agent and a disintegration agent bound on a substrate. The substrate has a density greater than 1.
    Type: Application
    Filed: June 14, 2017
    Publication date: December 21, 2017
    Applicant: Wellmark International
    Inventors: George GU, Keith HAAS, Jeanne WITTE