Patents by Inventor Astrid Lone

Astrid Lone 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).

  • Asphaltene dispersants
    Patent number: 11884875
    Abstract: Compositions and methods for preventing the formation of aggregates and for dispersing aggregates and other poorly soluble materials in hydrocarbon fluids. The compositions include an asphaltene dispersant prepared from the reaction of a polyethyleneimine (PEI) dendrimer and one or more derivatizing reagents wherein the polyethyleneimine dendrimer has a weight average molecular weight of greater than or equal to 9 kDa. The methods include emplacing in a wellbore a composition comprising an asphaltene inhibitor, wherein the asphaltene inhibitor is a compound prepared from the reaction of a polyethyleneimine dendrimer and one or more derivatizing reagents wherein the polyethyleneimine dendrimer has a weight average molecular weight of greater than or equal to 9 kDa.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: January 30, 2024
    Assignee: Cameron International Corporation
    Inventors: Rachael Cole, Astrid Lone, Neil David Feasey, Tore Nordvik
  • ASPHALTENE DISPERSANTS
    Publication number: 20220306927
    Abstract: The present disclosure relates to compositions and methods for prevent the formation of and disperse aggregates and other poorly soluble materials in hydrocarbon fluids. The compositions include an asphaltene dispersant prepared from the reaction of a polyethyleneimine (PEI) dendrimer and one or more derivatizing reagents wherein the polyethylene dendrimer has a weight average molecular weight of greater than or equal to 9 kDa. The methods include emplacing in a wellbore a composition comprising an asphaltene inhibitor, wherein the asphaltene inhibitor is a compound prepared from the reaction of a polyethyleneimine dendrimer and one or more derivatizing reagents wherein the polyethylene dendrimer has a weight average molecular weight of greater than or equal to 9 kDa.
    Type: Application
    Filed: June 22, 2020
    Publication date: September 29, 2022
    Inventors: Rachael Cole, Astrid Lone, Neil David Feasey, Tore Nordvik
  • Fluid additive and method of making and using the same
    Patent number: 10087382
    Abstract: A number of variations may include a product including a fluid additive including at least one asphaltene dispersant/inhibitor including a branched dendritic core and at least one carboxylic acid moiety.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: October 2, 2018
    Assignees: Schlumberger Norge AS, M-I L.L.C.
    Inventors: Tore Nordvik, Anders Grinrod, Rachael Anne Cole, Astrid Lone, Chandrashekhar Yeshwant Khandekar
  • FLUID ADDITIVE AND METHOD OF MAKING AND USING THE SAME
    Publication number: 20150128484
    Abstract: A number of variations may include a product including a fluid additive including at least one asphaltene dispersant/inhibitor including a branched dendritic core and at least one carboxylic acid moiety.
    Type: Application
    Filed: November 11, 2013
    Publication date: May 14, 2015
    Applicant: Schlumberger Norge AS
    Inventors: Tore Nordvik, Anders Grinrod, Rachel Anne Cole, Astrid Lone