Patents by Inventor Martin Peter Astley

Martin Peter Astley 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).

  • Granular detergent component and process for its preparation
    Patent number: 6596684
    Abstract: A granular detergent component comprising a high level of surfactant, for example, cationic surfactant, and an inorganic carrier material is prepared by a process involving spraying an aqueous solution of the surfactant onto moving granules of the inorganic carrier material in the presence of a drying gas, preferably air, at a temperature within the range of from 65 to 200° C. The process is preferably carried out in a fluidised bed. Preferred inorganic carrier materials are sodium carbonate and zeolite MAP.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: July 22, 2003
    Assignee: Unilever Home & Personal Care USA divison of Conopco, Inc.
    Inventors: Martin Peter Astley, William Derek Emery
  • Granular detergent component and process for its preparation
    Publication number: 20030130158
    Abstract: A granular detergent component comprising a high level of surfactant, for example, cationic surfactant, and an inorganic carrier material is prepared by a process involving spraying an aqueous solution of the surfactant onto moving granules of the inorganic carrier material in the presence of a drying gas, preferably air, at a temperature within the range of from 65 to 200° C. The process is preferably carried out in a fluidised bed. Preferred inorganic carrier materials are sodium carbonate and zeolite MAP.
    Type: Application
    Filed: December 19, 2002
    Publication date: July 10, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Martin Peter Astley, William Derek Emery
  • Granular detergent component and process for its preparation
    Publication number: 20020039987
    Abstract: A granular detergent component comprising a high level of surfactant, for example, cationic surfactant, and an inorganic carrier material is prepared by a process involving spraying an aqueous solution of the surfactant onto moving granules of the inorganic carrier material in the presence of a drying gas, preferably air, at a temperature within the range of from 65 to 200° C. The process is preferably carried out in a fluidised bed. Preferred inorganic carrier materials are sodium carbonate and zeolite MAP.
    Type: Application
    Filed: April 18, 2001
    Publication date: April 4, 2002
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Martin Peter Astley, William Derek Emery