Patents by Inventor Malcolm Andrew Kelland

Malcolm Andrew Kelland 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).

  • METHOD FOR INHIBITING THE AGGLOMERATION OF GAS HYDRATES
    Publication number: 20200010754
    Abstract: A method for inhibiting the formation or agglomeration of gas hydrates in a system, said method comprising adding to the system a compound of formula (I) or a zwitterionic form thereof wherein R1 is a group comprising 4 to 28 carbon atoms and at least one C?C double bond; L1 and L2 are independently selected from bonds and linker moieties containing 1 to 12 carbon atoms; and R2, R3, R4, R5, R6, R7, R8, R9 and R10 are independently H or a group comprising 1-20 carbon atoms.
    Type: Application
    Filed: March 6, 2018
    Publication date: January 9, 2020
    Inventor: Malcolm Andrew Kelland
  • Method of inhibiting the formation of gas hydrates using amidines and guanidines
    Patent number: 9303201
    Abstract: The present invention relates to methods of inhibiting the formation or agglomeration of gas hydrates using amidines or guanidines. The invention further relates to compositions comprising amidines or guanidines that find use as gas hydrate inhibitors, as well as processes for preparing alkylated amidinium or guanidinium salts.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: April 5, 2016
    Assignee: ECO INHIBITORS AS
    Inventor: Malcolm Andrew Kelland
  • METHOD OF INHIBITING THE FORMATION OF GAS HYDRATES USING AMIDINES AND GUANIDINES
    Publication number: 20140256599
    Abstract: The present invention relates to methods of inhibiting the formation or agglomeration of gas hydrates using amidines or guanidines. The invention further relates to compositions comprising amidines or guanidines that find use as gas hydrate inhibitors, as well as processes for preparing alkylated amidinium or guanidinium salts.
    Type: Application
    Filed: October 10, 2012
    Publication date: September 11, 2014
    Applicant: ECO INHIBITORS AS
    Inventor: Malcolm Andrew Kelland
  • Betaine compound and process for production thereof
    Patent number: 6452030
    Abstract: This invention provides a hydroxyl group-containing betaine compound and a long-chain alkyl group-containing betaine compound, both of which are highly biodegradable and useful as surfactants, bactericides, antistatic agents, softening agents, rust inhibitors, resin modifiers, synthetic intermediates, etc. The invention further provides processes for producing such betaine compounds.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: September 17, 2002
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Junichi Chosa, Takashi Tomita, Malcolm Andrew Kelland
  • Composition for controlling clathrate hydrates and a method for controlling clathrate hydrate formation
    Patent number: 6319971
    Abstract: A polymer composition useful for controlling the formation, growth and/or agglomeration of clathrate hydrate comprising two different polymers, designated Polymer x and Polymer y respectively, characterized in that Polymer x is a material whose In(WBF) is greater than that of Polymer y, which satisfy the following conditions: a) In(WBF) of x-In(WBF) of y is greater than 3 and b) the Synergism Index is greater than 0.05.
    Type: Grant
    Filed: February 14, 2000
    Date of Patent: November 20, 2001
    Assignees: RF-Procom A/S, Nippon Shokubai Co., Ltd.
    Inventors: Malcolm Andrew Kelland, Mark Rodger, Takashi Namba