Patents by Inventor David Stephan Grainger

David Stephan Grainger 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).

  • Fabric conditioning compositions
    Patent number: 6992059
    Abstract: A fabric conditioning composition comprises from 7.5 to 80% by weight of a ester-linked quaternary ammonium fabric softening material comprising at lease one mono-ester linked component and at least one tri-ester linked component, from 0.01 to 10% by weight of a nonionic surfactant and greater than 1.5 to 15% by weight of a fatty complexing agent wherein the weight ratio of the mono-ester component of compound (a) to fatty completing agent (c) is from 5:1 to 1:5. The compositions have good viscosity profiles.
    Type: Grant
    Filed: September 9, 2002
    Date of Patent: January 31, 2006
    Assignee: Unilever Home & Personal Care USA Divisionof Conopco, Inc.
    Inventors: David Stephan Grainger, Andrew David Green, John Francis Hubbard, Mansur Sultan Mohammadi, David Christopher Sayle
  • Fabric conditioning compositions
    Publication number: 20030114338
    Abstract: A fabric conditioning composition comprises from 7.5 to 80% by weight of a ester-linked quaternary ammonium fabric softening material comprising at lease one mono-ester linked component and at least one tri-ester linked component, from 0.01 to 10% by weight of a nonionic surfactant and greater than 1.5 to 15% by weight of a fatty complexing agent wherein the weight ratio of the mono-ester component of compound (a) to fatty completing agent (c) is from 5:1 to 1:5. The compositions have good viscosity profiles.
    Type: Application
    Filed: September 9, 2002
    Publication date: June 19, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: David Stephan Grainger, Andrew David Green, John Francis Hubbard, Mansur Sultan Mohammadi, David Christopher Sayle