Patents by Inventor Hema Rampersad

Hema Rampersad 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).

  • COPOLYMER ADDITIVES FOR CRUDE OIL, MIXTURES OF SAID ADDITIVES AND CRUDE OIL, AND METHODS FOR PRODUCING AND USING SAID MIXTURES
    Publication number: 20230365854
    Abstract: Copolymer additives for crude oils, crude oil mixtures of the copolymer additives and crude oils, and methods for producing or forming the crude oil mixtures are provided. The crude oil mixtures and methods comprise at least copolymer additive introduce or applied to crude oil, wherein the at least one copolymer additive comprises one or more copolymers of vinylpyrrolidone and one or more alpha-olefins.
    Type: Application
    Filed: May 16, 2022
    Publication date: November 16, 2023
    Inventors: Christopher S. Daeffler, Graham Robert Drummond, Grady F. Parker III, Hema Rampersad
  • Citrate polyester additives for crude oil, mixtures of said additives and crude oil, and methods for producing said mixtures
    Patent number: 11549066
    Abstract: Citrate polyester additives for crude oils, mixtures of the citrate polyester additives and crude oils, and methods for producing or forming the mixtures are provided. The mixtures and methods comprise at least one citrate polyester additive introduce or applied to crude oil, wherein the at least one citrate polyester additive comprises one or more citrate crosspolymers.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: January 10, 2023
    Assignee: CAMERON INTERNATIONAL CORPORATION
    Inventors: Christopher S. Daeffler, Graham Robert Drummond, Grady F. Parker, III, Hema Rampersad