Patents by Inventor Melvin Carvell

Melvin Carvell 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).

  • Laundry treatment compositions
    Patent number: 7528101
    Abstract: A water-soluble or dispersible, hydrolytically stable polysaccharide preferably selected from the group consisting of poly-glucan, poly-mannan, gluco-mannan and mixtures thereof. Which is covalently linked by a hydrolytically stable bond to a first polymeric textile softening species (typically a silicone) and optionally emulsified with a second polymeric textile softening species. The specification also discloses laundry treatment composition comprising these compositions.
    Type: Grant
    Filed: May 17, 2004
    Date of Patent: May 5, 2009
    Assignee: Conopco, Inc.
    Inventors: Melvin Carvell, Paul Hugh Findlay, Christopher Clarkson Jones, Giovanni Francesco Unali
  • Laundry compositions
    Publication number: 20080076692
    Abstract: The present invention relates to a softening in the wash composition comprising a detersive surfactant other than soap which has a molecular weight lower than 1000 Daltons, a polymeric non-ionic surfactant with a molecular weight above 2200 Daltons, soap, and a cationic polymer capable of forming a complex with the soap. The invention further relates to a method to increase the deposition of soap onto a fabric surface and to a method to decrease the redeposition of soil onto fabric.
    Type: Application
    Filed: September 21, 2007
    Publication date: March 27, 2008
    Inventors: Melvin Carvell, Anand Ramchandra Mahadeshwar
  • Laundry treatment compositions
    Publication number: 20060143835
    Abstract: A water-soluble or dispersible, hydrolytically stable polysaccharide preferably selected from the group consisting of poly-glucan, poly-mannan, gluco-mannan and mixtures thereof. Which is covalently linked by a hydrolytically stable bond to a first polymeric textile softening species (typically a silicone) and optionally emulsified with a second polymeric textile softening species. The specification also discloses laundry treatment composition comprising these compositions.
    Type: Application
    Filed: May 17, 2004
    Publication date: July 6, 2006
    Inventors: Melvin Carvell, Paul Findlay, Christopher Jones
  • Laundry treatment compositions
    Publication number: 20050267008
    Abstract: Compositions comprising a water-soluble or dispersible modified polysaccharide, which preferably has a backbone comprising ?1-4 linkages, which has a hydrophobic agent bonded thereto by a hydrolytically stable bond, and a sugar polyester. The specification also discloses laundry treatment compositions comprising these compositions.
    Type: Application
    Filed: May 26, 2005
    Publication date: December 1, 2005
    Inventors: Melvin Carvell, Christopher Jones, Giovanni Unali
  • Laundry treatment compositions and components therefor
    Publication number: 20040152621
    Abstract: A composition comprising a silicone having a perfume component dissolved or dispersed therein and a deposition aid.
    Type: Application
    Filed: December 3, 2003
    Publication date: August 5, 2004
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Melvin Carvell, Robert Alan Hunter, Christopher Clarkson Jones, Giovanni Francesco Unali
  • Cleaning aid
    Publication number: 20020072473
    Abstract: The invention concerns a method of removing soil from a surface, comprises the steps of:
    Type: Application
    Filed: August 28, 2001
    Publication date: June 13, 2002
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Alexander Thomas Ashcroft, Melvin Carvell, Clare Thomas Evans, Peter Graham, Matthew James Leach, Colina Mackay, Antonius Maria Neplenbroek, Steven Rannard, Bouke Suk, David William Thornthwaite
  • Hair treatment composition
    Patent number: 6228353
    Abstract: A rinse-off hair treatment composition for improved delivery of amino-acid to the hair and/or scalp comprising: (a) a particulate metal-amino acid complex; (b) at least one surfactant; and (c) a deposition aid.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: May 8, 2001
    Assignee: Helene Curtis, Inc.
    Inventors: Stuart William Carr, Melvin Carvell, Paul Alfred Cornwell, Therese Desmond, Andrew Mark Waller, Johann Wilhelm Wiechers
  • Hair treatment composition
    Patent number: 5911978
    Abstract: A rinse-off hair treatment composition for improved delivery of amino-acid to the hair and/or scalp comprising:(a) a particulate metal-amino acid complex;(b) at least one surfactant; and(c) a deposition aid.
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: June 15, 1999
    Assignee: Helene Curtis, Inc.
    Inventors: Stuart William Carr, Melvin Carvell, Paul Alfred Cornwell, Therese Desmond, Andrew Mark Waller, Johann Wilhelm Wiechers