Patents by Inventor James Leonard Rolfe

James Leonard Rolfe 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: 11654443
    Abstract: According to the invention there is provided a method of processing a mixture of minerals including the steps of: (a) providing a mixture of minerals which includes a metal containing mineral and one or more unwanted gangue minerals; (b) achieving a contact between the mixture of minerals and polymeric material that includes a mineral binding moiety which selectively binds to the metal containing mineral; and (c) separating the gangue minerals and the polymeric material which has the metal containing mineral bound thereto.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: May 23, 2023
    Assignee: CIDRA MINERALS PROCESSING INC.
    Inventors: Warrick James David Allen, Simon David Childs, Andrea Duffy, Nicholas Horrocks, Elizabeth Lakin, Paul Edward Young Milne, James Leonard Rolfe
  • Publication number: 20200316613
    Abstract: According to the invention there is provided a method of processing a mixture of minerals including the steps of: (a) providing a mixture of minerals which includes a metal containing mineral and one or more unwanted gangue minerals; (b) achieving a contact between the mixture of minerals and polymeric material that includes a mineral binding moiety which selectively binds to the metal containing mineral; and (c) separating the gangue minerals and the polymeric material which has the metal containing mineral bound thereto.
    Type: Application
    Filed: March 30, 2020
    Publication date: October 8, 2020
    Inventors: Warrick James David ALLEN, Simon David CHILDS, Andrea DUFFY, Nicholas HORROCKS, Elizabeth LAKIN, Paul Edward Young MILNE, James Leonard ROLFE
  • Patent number: 10603676
    Abstract: According to the invention there is provided a method of processing a mixture of minerals including the steps of: (a) providing a mixture of minerals which includes a metal containing mineral and one or more unwanted gangue minerals; (b) achieving a contact between the mixture of minerals and polymeric material that includes a mineral binding moiety which selectively binds to the metal containing mineral; and (c) separating the gangue minerals and the polymeric material which has the metal containing mineral bound thereto.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: March 31, 2020
    Assignee: CiDRA Minerals Processing Inc.
    Inventors: Warrick James David Allen, Simon David Childs, Andrea Duffy, Nicholas Horrocks, Elizabeth Lakin, Paul Edward Young Milne, James Leonard Rolfe
  • Publication number: 20160114336
    Abstract: According to the invention there is provided a method of processing a mixture of minerals including the steps of: (a) providing a mixture of minerals which includes a metal containing mineral and one or more unwanted gangue minerals; (b) achieving a contact between the mixture of minerals and polymeric material that includes a mineral binding moiety which selectively binds to the metal containing mineral; and (c) separating the gangue minerals and the polymeric material which has the metal containing mineral bound thereto.
    Type: Application
    Filed: September 13, 2012
    Publication date: April 28, 2016
    Applicant: CiDRA Minerals Processing Inc.
    Inventors: Warrick James David ALLEN, Simon David CHILDS, Andrea DUFFY, Nicholas HORROCKS, Elizabeth LAKIN, Paul Edward Young MILNE, James Leonard ROLFE
  • Publication number: 20150283784
    Abstract: According to the invention there is provided a composite article including: a textile layer having a first and a second face, each of the first and second faces having a polymeric coating thereon; a first polymeric layer adhered to the polymeric coating on the first face of the textile layer; and a second polymeric layer adhered to the polymeric coating on the second face of the textile layer; in which the polymeric coatings on the first and second faces of the textile layer are each formed by polymerising a polymeric precursor which includes a group of sub-formula (I) where R2 and R3 are independently selected from (CR7R8)n, or a group CR9R10, CR7R8CR9R10 or CR9R10CR7R8 where n is 0, 1 or 2, R7 and R8 are independently selected from hydrogen, halo or hydrocarbyl, and either One of R9 or R10 is hydrogen and the other is an electron withdrawing group, or R9 and R10 together form an electron withdrawing group, and R4 and R5 are independently selected from CH or CR11 where R11 is an electron withdrawing group, t
    Type: Application
    Filed: August 2, 2011
    Publication date: October 8, 2015
    Inventors: Warrick James David Allen, James Leonard Rolfe, Nicholas Horrocks, Paul Milne