Patents by Inventor Michael Crombie Addison

Michael Crombie Addison 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).

  • Publication number: 20040077519
    Abstract: Ionic liquids suitable for use in surface or air treating compositions are disclosed. Also disclosed are ionic liquid cocktails comprising three or more different and charged ionic liquid components. Compositions or products containing ionic liquids and methods of using the same are also disclosed.
    Type: Application
    Filed: June 19, 2003
    Publication date: April 22, 2004
    Applicant: The Procter & Gamble Co.
    Inventors: Kenneth Nathan Price, Richard Timothy Hartshorn, Robert Henry Rohrbaugh, William Michael Scheper, Michael Stanford Showell, Keith Homer Baker, Mark Robert Sivik, Jeffrey John Scheibel, Robb Richard Gardner, Pramod Kakumau Reddy, John Davis Aiken, Michael Crombie Addison
  • Patent number: 6451754
    Abstract: A process for preparing a detergent tablet comprises the steps of compressing a composition comprising an active detergent component to form a compressed portion and delivering a composition comprising an active detergent component in the form of a solid, liquid or gel to the compressed portion to form a non-compressed, non-encapsulating portion.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: September 17, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Barry Rowland, Alasdair Duncan McGregor, Michael Crombie Addison, Lynda Anne Speed
  • Patent number: 6391839
    Abstract: Detergent compositions comprising ethylenediamine-N,N′-disuccinic acid or salts thereof, an alkali metal percarbonate bleach and a crystalline layered sodium silicate of formula LMSixO2xH.yH2O wherein L is an alkali metal, and M is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20 are provided. The compositions also preferably comprise additional non-phosphate detergent builder compounds.
    Type: Grant
    Filed: April 27, 1995
    Date of Patent: May 21, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Michael Crombie Addison, Michael Alan J. Moss
  • Patent number: 6274538
    Abstract: Detergent tablets are dispersed by means of gas entrapped within the detergent ingredients. Tablets for use in dishwashers provide an in-use alkaline wash liquor by dissolving quickly.
    Type: Grant
    Filed: January 26, 2000
    Date of Patent: August 14, 2001
    Assignee: The Procter & Gamble Company
    Inventor: Michael Crombie Addison
  • Patent number: 6093343
    Abstract: The present invention relates to bleach catalyst containing composite particles suitable for incorporation into particulate detergent compositions, said composite particles comprising by weight of the particles a) from 1% to 50% of a metal containing bleach catalyst; b) from 40% to 99% of an encapsulating material; and c) from 0.5% to 20% water.
    Type: Grant
    Filed: August 7, 1998
    Date of Patent: July 25, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Michael Crombie Addison, Barry Rowland, Fiona Susan MacBeath
  • Patent number: 5883062
    Abstract: A detergent composition comprises from 1% to 80%, by weight, anionic surfactant and from 0.05% to 10%, by weight, divalent ion selected from the group consisting of magnesium ions, calcium ions, and mixtures thereof. The composition is formulated such that the pH of a 1% solution of the composition in water at 20.degree. C. is between 3.5 and 4.5.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: March 16, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Michael Crombie Addison, Peter Robert Foley, Andrew Micheal Allsebrook
  • Patent number: 5801137
    Abstract: A detergent composition containing in combination(a) a detergent builder system containing a carboxylate or polycarboxylate builder and having a major proportion by weight of non-carbonate builder compound;(b) an organo diphosphonic acid or its salts or complexes or any mixture thereof; and(c) an organic polymer containing acrylic acid or its salts, having an average molecular weight of less than 15,000.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: September 1, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Michael Crombie Addison, Lynda Anne Jones, Rhona Alexandra Knox
  • Patent number: 5712244
    Abstract: There is provided a rinse aid composition containing an organo diphosphonic acid or its salts or complexes. The pH of said composition as a 1% solution in distilled water at 20.degree. C. is preferably less than 7.
    Type: Grant
    Filed: August 28, 1996
    Date of Patent: January 27, 1998
    Assignee: Proctor & Gamble Company
    Inventors: Michael Crombie Addison, Lynda Anne Jones, Rhona Alexandra Knox