Patents by Inventor Andrew J. Shooter

Andrew J. Shooter 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).

  • Patent number: 11649309
    Abstract: Polymeric dispersants are disclosed that include an acrylic backbone at least one pendantly attached imide group, wherein the carbonyl of the imide are chemically bonded to a fused aromatic ring. The aromatic ring can be substituted with various electron withdrawing or releasing groups. Desirably dispersant also includes solvent-solubilising chains of polyether, polyester, polyacrylate, and or polyolefin.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: May 16, 2023
    Assignee: Lubrizol Advanced Materials, Inc
    Inventors: Andrew J. Shooter, Dean Thetford, Robert A. Jennings, Stuart N. Richards
  • Publication number: 20210238433
    Abstract: The present invention relates to a polymeric aromatic amide dispersant, and a composition containing a particulate solid, an aqueous or polar organic medium, and a polymeric aromatic amide dispersant having at least one tertiary amide linking group connecting through a carbonyl group of the amide to an aromatic ring having a residual carboxylic acidic group thereon. The invention further provides compositions for millbases, dispersions, coatings and inks.
    Type: Application
    Filed: August 21, 2019
    Publication date: August 5, 2021
    Inventors: Andrew J. Shooter, Conor Wilkinson, Shabana Rafiq
  • Publication number: 20210198500
    Abstract: The present invention relates to a polymeric dispersant containing an tertiary amide linkage between the aromatic anchoring group and a solubilizing chain, and a composition containing a particulate solid, an aqueous or polar organic medium, and a polymeric aromatic amide dispersant having at least one tertiary amide linking group connecting through a carbonyl group of the amide to an aromatic ring having two or more residual carboxylic acid groups or a sulfonic acid group and a residual carboxylic acidic group thereon. The invention further provides compositions for millbases, dispersions, coatings and inks containing said dispersant.
    Type: Application
    Filed: August 21, 2019
    Publication date: July 1, 2021
    Inventors: Andrew J. Shooter, Shabana Rafiq, Conor Wilkinson
  • Publication number: 20210087320
    Abstract: Polymeric block copolymer dispersants made by controlled radical polymerization are disclosed that include polyacrylate solubilizing segments and styrene-maleic anhydride particulate anchoring segments. Desirably, a large percentage of the maleic anhydride units are reacted with an aminic reactant of 4 to 30 carbon atoms with 2 to 10 nitrogen atoms wherein at least one nitrogen is primary and the other is tertiary or three times bonded to carbon atoms.
    Type: Application
    Filed: December 14, 2018
    Publication date: March 25, 2021
    Inventors: Andrew J Shooter, Robert A. Jennings, Sebastien Perrier, Majda Akrach
  • Publication number: 20200325264
    Abstract: Polymeric dispersants are disclosed that include an acrylic backbone at least one pendantly attached imide group, wherein the carbonyl of the imide are chemically bonded to a fused aromatic ring. The aromatic ring can be substituted with various electron withdrawing or releasing groups. Desirably dispersant also includes solvent-solubilising chains of polyether, polyester, polyacrylate, and or polyolefin.
    Type: Application
    Filed: June 26, 2020
    Publication date: October 15, 2020
    Inventors: Andrew J. Shooter, Dean Thetford, Robert A. Jennings, Stuart N. Richards
  • Patent number: 10745506
    Abstract: Polymeric dispersants are disclosed that include an acrylic backbone at least one pendantly attached imide group, wherein the carbonyl of the imide are chemically bonded to a fused aromatic ring. The aromatic ring can be substituted with various electron withdrawing or releasing groups. Desirably dispersant also includes solvent-solubilising chains of polyether, polyester, polyacrylate, and or polyolefin.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: August 18, 2020
    Inventors: Andrew J. Shooter, Dean Thetford, Robert A. Jennings, Stuart N. Richards
  • Patent number: 10442884
    Abstract: A polyurethane dispersant is described that comprises a reaction product of a polyisocyanate with a) a component supplying a anchoring imide group wherein the carbonyl groups of the imide are bonded to a fused or non-fused aromatic ring, b) at least one solvent-solubilizing chain, and other optional components to build molecular weight or modify the interaction of the dispersant with various particulates or continuous media.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: October 15, 2019
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Andrew J. Shooter, Dean Thetford, Stuart N Richards, Robert A. Jennings
  • Patent number: 10308836
    Abstract: Polymeric dispersants are disclosed that include a urethane backbone at least one pendantly attached imide group, wherein the carbonyl of the imide are chemically bonded to a single or fused aromatic ring. The aromatic ring can be substituted with various electron withdrawing or releasing groups. The dispersant also includes solvent-solubilizing chains of polyether, polyester, polyacrylate, and or polyolefin Desirably, the imide groups are derived from an imide that has two isocyanate reactive groups such that the imide is attached to the urethane backbone at two separate locations.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: June 4, 2019
    Inventors: Andrew J. Shooter, Dean Thetford, Robert A. Jennings, Stuart N. Richards
  • Patent number: 10150838
    Abstract: The present invention relates to a composition containing a particulate solid, a polar or non-polar organic medium, and a polymer chain having at least one non-fused aromatic imide pendant group. The invention further provides compositions for coatings, inks, toners, plastic materials (such as thermoplastics), plasticisers, plastisols, crude grinding and flush.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: December 11, 2018
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Andrew J. Shooter, Dean Thetford
  • Patent number: 10113031
    Abstract: The present invention relates to a composition containing a particulate solid, an organic or aqueous medium and a dispersant that may be a reaction product of an organic di or polyepoxide with a primary amine, aminoalcohol, amino acid, hydroxyacid or alcohol containing a fused or non-fused aromatic imide group. The invention further provides compositions for coatings, inks, toners, plastic materials (such as thermoplastics), plasticizers, plastisols, crude grinding and flush.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: October 30, 2018
    Inventors: Dean Thetford, Andrew J. Shooter, Robert A. Jennings
  • Patent number: 10100152
    Abstract: The present invention relates to a polymer, and a composition containing a particulate solid, an aqueous medium, and a polymer chain having at least one fused aromatic imide pendant group. The invention further provides compositions for millbases, dispersions, coatings and inks.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: October 16, 2018
    Inventors: Andrew J. Shooter, Dean Thetford, Stuart N. Richards
  • Publication number: 20170088673
    Abstract: The present invention relates to a polymer, and a composition containing a particulate solid, an aqueous medium, and a polymer chain having at least one fused aromatic imide pendant group. The invention further provides compositions for millbases, dispersions, coatings and inks.
    Type: Application
    Filed: December 14, 2016
    Publication date: March 30, 2017
    Inventors: Andrew J. Shooter, Dean Thetford, Stuart N. Richards
  • Patent number: 9540486
    Abstract: The present invention relates to a composition containing a particulate solid, a polar or non-polar organic medium, and a polymer chain having at least one fused aromatic imide pendant group. The invention further provides compositions for coatings, inks, toners, plastic materials (such as thermoplastics), plasticizers, plastisols, crude grinding and flush.
    Type: Grant
    Filed: April 25, 2013
    Date of Patent: January 10, 2017
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Dean Thetford, Andrew J. Shooter, Stuart N. Richards
  • Patent number: 9534123
    Abstract: The present invention relates to a polymer, and a composition containing a particulate solid, an aqueous medium, and a polymer chain having at least one fused aromatic imide pendant group. The invention further provides compositions for millbases, dispersions, coatings and inks.
    Type: Grant
    Filed: April 24, 2013
    Date of Patent: January 3, 2017
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Andrew J. Shooter, Dean Thetford, Stuart N. Richards
  • Publication number: 20160264731
    Abstract: The present invention relates to a composition containing a particulate solid, an organic or aqueous medium and a dispersant that may be a reaction product of an organic di or polyepoxide with a primary amine, aminoalcohol, amino acid, hydroxyacid or alcohol containing a fused or non-fused aromatic imide group. The invention further provides compositions for coatings, inks, toners, plastic materials (such as thermoplastics), plasticisers, plastisols, crude grinding and flush.
    Type: Application
    Filed: October 21, 2014
    Publication date: September 15, 2016
    Inventors: Dean Thetford, Andrew J. Shooter, Robert A. Jennings
  • Publication number: 20160257774
    Abstract: Polymeric dispersants are disclosed that include an acrylic backbone at least one pendantly attached imide group, wherein the carbonyl of the imide are chemically bonded to a fused aromatic ring. The aromatic ring can be substituted with various electron withdrawing or releasing groups. Desirably dispersant also includes solvent-solubilising chains of polyether, polyester, polyacrylate, and or polyolefin.
    Type: Application
    Filed: October 29, 2014
    Publication date: September 8, 2016
    Inventors: Andrew J. Shooter, Dean Thetford, Robert A. Jennings, Stuart N. Richards
  • Publication number: 20160251537
    Abstract: The invention relates to a composition containing a polymer obtained by polymerising (1) a mono-vinyl monomer with one or more carboxylic acid groups to form a polymer with at least 2 to 200, or 5 to 150, or 10 to 100, or 15 to 50 repeat units, and (2) reacting the polymer of (1) with a primary hydrocarbyl amine and polyoxyalkylene primary amine (typically polyetheramine). The invention further relates to a composition containing a particulate solid, a liquid medium, and the polymer. The invention further relates to the use of the polymer as a dispersant.
    Type: Application
    Filed: May 6, 2016
    Publication date: September 1, 2016
    Inventors: Andrew J. Shooter, Stuart N. Richards
  • Publication number: 20160251523
    Abstract: Polymeric dispersants are disclosed that include a urethane backbone at least one pendantly attached imide group, wherein the carbonyl of the imide are chemically bonded to a single or fused aromatic ring. The aromatic ring can be substituted with various electron withdrawing or releasing groups. The dispersant also includes solvent-solubilising chains of polyether, polyester, polyacrylate, and or polyolefin Desirably, the imide groups are derived from an imide that has two isocyanate reactive groups such that the imide is attached to the urethane backbone at two separate locations.
    Type: Application
    Filed: October 24, 2014
    Publication date: September 1, 2016
    Inventors: Andrew J. Shooter, Dean Thetford, Robert A. Jennings, Stuart N. Richards
  • Publication number: 20160237196
    Abstract: A polyurethane dispersant is described that comprises a reaction product of a polyisocyanate with a) a component supplying a anchoring imide group wherein the carbonyl groups of the imide are bonded to a fused or non-fused aromatic ring, b) at least one solvent-solubilising chain, and other optional components to build molecular weight or modify the interaction of the dispersant with various particulates or continuous media.
    Type: Application
    Filed: April 28, 2016
    Publication date: August 18, 2016
    Inventors: Andrew J. Shooter, Dean Thetford, Stuart N. Richards, Robert A. Jennings
  • Publication number: 20160200868
    Abstract: The present invention relates to a composition containing a particulate solid, a polar or non-polar organic medium, and a polymer chain having at least one non-fused aromatic imide pendant group. The invention further provides compositions for coatings, inks, toners, plastic materials (such as thermoplastics), plasticisers, plastisols, crude grinding and flush.
    Type: Application
    Filed: August 12, 2014
    Publication date: July 14, 2016
    Applicant: Lubrizol Advanced Materials, Inc.
    Inventors: Andrew J. Shooter, Dean Thetford