Patents Assigned to Guard Products LLC
  • Patent number: 8337792
    Abstract: Compositions and methods relating to aromatic imine compounds and methods of their use are described. The compounds are formed from aromatic aldehydes and amino or amino derivatives. The compounds and their derivatives are useful, for example, as hydrogen sulfide and mercaptan scavengers for use in both water and petroleum products.
    Type: Grant
    Filed: July 19, 2011
    Date of Patent: December 25, 2012
    Assignee: Guard Products LLC
    Inventors: Gary Westlund, David Weller
  • Patent number: 7985881
    Abstract: Compositions and methods relating to aromatic imine compounds and methods of their use are described. The compounds are formed from aromatic aldehydes and amino or amino derivatives. The compounds and their derivatives are useful, for example, as hydrogen sulfide and mercaptan scavengers for use in both water and petroleum products.
    Type: Grant
    Filed: September 12, 2007
    Date of Patent: July 26, 2011
    Assignee: Guard Products LLC
    Inventors: Gary Westlund, David Weller
  • Publication number: 20090065445
    Abstract: Compositions and methods relating to aromatic imine compounds and methods of their use are described. The compounds are formed from aromatic aldehydes and amino or amino derivatives. The compounds and their derivatives are useful, for example, as hydrogen sulfide and mercaptan scavengers for use in both water and petroleum products.
    Type: Application
    Filed: September 12, 2007
    Publication date: March 12, 2009
    Applicant: GUARD PRODUCTS LLC
    Inventors: Gary Westlund, David Weller