Patents by Inventor Karl Alex Peter Payne

Karl Alex Peter Payne 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).

  • Publication number: 20210180095
    Abstract: Method for preparing a 2,5-furandicarboxylic acid (“FDCA”) comprising: contacting a polypeptide comprising an amino acid sequence that has greater than 34% sequence identity with an amino acid sequence set out in SEQ ID NO:1 or SEQ ID NO:2 with furoic acid in the presence of carbon dioxide; wherein the polypeptide has carboxylase and decarboxylase activity and comprises (i) the amino acid corresponding to H297 or a functional substitution thereof and (ii) at least one of (a) the amino acid corresponding to R305 or a functional substitution thereof; and (b) the amino acid corresponding to R332 or a functional substitution thereof; wherein the position is numbered relative to the amino acid sequence of SEQ ID NO:1 or SEQ ID NO:2.
    Type: Application
    Filed: November 9, 2018
    Publication date: June 17, 2021
    Inventors: Karl Alex Peter PAYNE, David LEYS, David Alexander PARKER, Stephen Andrew MARSHALL
  • Patent number: 9157099
    Abstract: Method for preparing a mono-unsaturated alkene comprising contacting an aliphatic mono-unsaturated carboxylic acid with an Fdc1 polypeptide comprising an amino acid sequence with at least 21% sequence identity to SEQ ID NO: 1 and a Pad1 polypeptide comprising an amino acid sequence with at least 17% sequence identity to SEQ ID NO: 2.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: October 13, 2015
    Assignee: Shell Oil Company
    Inventors: David Leys, Karl Alex Peter Payne, Nigel Shaun Scrutton, David Alexander Parker, Andrew James Murphy
  • Publication number: 20130330795
    Abstract: Method for preparing a mono-unsaturated alkene comprising contacting an aliphatic mono-unsaturated carboxylic acid with an Fdc1 polypeptide comprising an amino acid sequence with at least 21% sequence identity to SEQ ID NO: 1 and a Pad1 polypeptide comprising an amino acid sequence with at least 17% sequence identity to SEQ ID NO: 2.
    Type: Application
    Filed: June 11, 2013
    Publication date: December 12, 2013
    Inventors: David LEYS, Karl Alex Peter Payne, Nigel Shaun Scrutton, David Alexander Parker, Andrew James Murphy