Patents by Inventor Alan J. Fry

Alan J. Fry 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).

  • Detergent tablets having specific particle size distribution
    Patent number: 5407594
    Abstract: A tablet of compacted particulate detergent composition in which the tablet, or a discrete region thereof, consists essentially of a matrix of particles substantially free of particles <200 .mu.m. Particles of detergent-active compound and detergent builder and optionally particles of detergent base powder are individually coated with binder/disintegrant capable, when the tablet is immersed in water, of disrupting the structure of the tablet.
    Type: Grant
    Filed: June 30, 1992
    Date of Patent: April 18, 1995
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Alan J. Fry, Michael J. Garvey, William J. Iley, Geoffrey Newbold, Douglas Wraige
  • Detergent compositions
    Patent number: 5360567
    Abstract: A tablet of compacted particulate detergent composition comprises a detergent-active compound, a detergency builder, and optionally other detergent ingredients. The tablet, or a discrete region thereof, consists essentially of a matrix of particles substantially all of which have a particle size within a range having upper and lower limits each lying within the range of from 200 to 2000 .mu.m and differing from each other by not more than 700 .mu.m.
    Type: Grant
    Filed: May 10, 1993
    Date of Patent: November 1, 1994
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Alan J. Fry, Michael J. Garvey, Douglas Wraige
  • Detergent compositions
    Patent number: 5225100
    Abstract: A tablet of compacted detergent powder comprises an anionic detergent-active compound, a detergency builder, and optionally other detergent ingredients. The tablet is the compaction product of a particulate mixture of:(a) from 2 to 40 wt % of a first particulate component comprising from 20 to 100 wt % of anionic detergent-active compound,(b) from 60 to 98 wt % of other ingredients, comprising from 0 to 3 wt % of anionic detergent-active compound.
    Type: Grant
    Filed: July 12, 1991
    Date of Patent: July 6, 1993
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Alan J. Fry, Michael J. Garvey, Geoffrey Newbold, Jonathon Osler, John M. Robb, Douglas Wraige
  • Enzymatic liquid detergent composition
    Patent number: 4767562
    Abstract: The invention relates to an aqueous, enzymatic liquid detergent with improved enzyme stability. By inclusion of a specific type of preservative of the isothiazolinone type, the rate of enzyme deactivation is significantly retarded.
    Type: Grant
    Filed: December 3, 1986
    Date of Patent: August 30, 1988
    Assignee: Lever Brothers Company
    Inventor: Alan J. Fry