Patents by Inventor Fred Kerpels

Fred Kerpels 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).

  • Dry cleaning method
    Patent number: 7837741
    Abstract: The present invention provides a safe method for cleaning fabric articles, comprising the step of treating the fabric articles with a working cyclosiloxane dry cleaning solvent to remove contaminants from the articles, wherein the working solvent is contacted and mixed with a solidifying catalyst in case of an increased temperature event. The present invention also provides a dry cleaning system suitable for carrying out the method of the invention. Since said method has improved safety, it is very suitable for in-home use.
    Type: Grant
    Filed: April 12, 2005
    Date of Patent: November 23, 2010
    Assignee: Whirlpool Corporation
    Inventors: Fred Kerpels, Joel A. Luckman, Pieter E. Overdevest, Tremitchell Wright
  • Dry Cleaning Method
    Publication number: 20090007345
    Abstract: The present invention provides a safe method for cleaning fabric articles, comprising the step of treating the fabric articles with a working cyclosiloxane dry cleaning solvent to remove contaminants from the articles, wherein the working solvent is contacted and mixed with a solidifying catalyst in case of an increased temperature event. The present invention also provides a dry cleaning system suitable for carrying out the method of the invention. Since said method has improved safety, it is very suitable for in-home use.
    Type: Application
    Filed: April 12, 2005
    Publication date: January 8, 2009
    Inventors: Fred Kerpels, Pieter Everhardus Overdevest
  • Dry cleaning process comprising a dry cleaning step and a regeneration step
    Patent number: 6900166
    Abstract: A process for dry cleaning laundry articles comprising at least one dry cleaning step followed by at least one regeneration step wherein said regeneration step comprises contacting the articles with a regeneration composition comprising 0 to 10 wt. % of a surfactant; 0.001 to 10 wt. % of water; 0 to 50 wt. % of a cosolvent and the balance being organic dry cleaning solvent, preferably a non-flammable, non-chlorine containing organic dry cleaning solvent, wherein the regeneration composition comprises an aqueous phase having a pH of at least 5.
    Type: Grant
    Filed: October 23, 2002
    Date of Patent: May 31, 2005
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Joop Evers, Machiel Goedhart, Fred Kerpels, Cornelis Gerhard Kralingen van, Pieter Everhardus Overdevest, Hank Robert Reinhoudt, Karin Vrieswijk
  • Dry cleaning process comprising a non-aqueous step and a low aqueous step
    Patent number: 6846790
    Abstract: A sequential process for dry cleaning laundry articles is provided comprising a) at least one non-aqueous dry cleaning step, b) at least one low-aqueous dry cleaning step, and, optionally, at least one rinsing step.
    Type: Grant
    Filed: October 23, 2002
    Date of Patent: January 25, 2005
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Joop Evers, Machiel Goedhart, Fred Kerpels, Cornelis Gerhard Kralingen van, Pieter Everhardus Overdevest, Hank Robert Reinhoudt, Karin Vrieswijk
  • Dry cleaning process
    Publication number: 20030097718
    Abstract: A sequential process for dry cleaning laundry articles is provided comprising
    Type: Application
    Filed: October 23, 2002
    Publication date: May 29, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Joop Evers, Machiel Goedhart, Fred Kerpels, Cornelis Gerhard Kralingen van, Pieter Everhardus Overdevest, Hank Robert Reinhoudt, Karin Vrieswijk
  • Dry cleaning process
    Publication number: 20030087782
    Abstract: A process for dry cleaning laundry articles comprising at least one dry cleaning step followed by at least one regeneration step wherein said regeneration step comprises contacting the articles with a regeneration composition comprising
    Type: Application
    Filed: October 23, 2002
    Publication date: May 8, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Joop Evers, Machiel Goedhart, Fred Kerpels, Cornelis Gerhard Kralingen van, Pieter Everhardus Overdevest, Hank Robert Reinhoudt, Karin Vrieswijk
  • Dry cleaning compositions and their use
    Publication number: 20020142932
    Abstract: A dry cleaning composition comprising:
    Type: Application
    Filed: December 28, 2001
    Publication date: October 3, 2002
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Machiel Goedhart, Fred Kerpels, Cornelis Gerhard Van Kralingen, Pieter E. Overdevest, Karin Vrieswijk