Patents by Inventor Christopher Robin COLLINS

Christopher Robin COLLINS 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).

  • Water resistance additive for particulate ammonium nitrate-fuel oil (ANFO) explosives
    Patent number: 11993550
    Abstract: The present invention provides for the use of at least one oil soluble polymer comprising linear polymethylene sequences with an average of 10 to 40 consecutive methylene groups to improve the water resistance of an explosive composition comprising particulate ammonium nitrate and a fuel oil, said linear polymethylene sequences with in average 10 to 40 consecutive methylene groups may be either in the main chain or in the side chains of the oil soluble polymer.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: May 28, 2024
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Michael Feustel, Matthias Krull, Ian James Tolliday, Christopher Robin Collins, Maja Franjic, Thomas Roy
  • Water Resistance Additive for Particulate Ammonium Nitrate-Fuel Oil (Anfo) Explosives
    Publication number: 20190071372
    Abstract: The present invention provides for the use of at least one oil soluble polymer comprising linear polymethylene sequences with an average of 10 to 40 consecutive methylene groups to improve the water resistance of an explosive composition comprising particulate ammonium nitrate and a fuel oil, said linear polymethylene sequences with in average 10 to 40 consecutive methylene groups may be either in the main chain or in the side chains of the oil soluble polymer.
    Type: Application
    Filed: March 13, 2017
    Publication date: March 7, 2019
    Applicant: Clariant International Ltd.
    Inventors: Michael FEUSTEL, Matthias KRULL, Ian James TOLLIDAY, Christopher Robin COLLINS, Maja FRANJIC, Thomas ROY