Patents by Inventor David Russell Virgallito

David Russell Virgallito 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).

  • Microencapsulation of biocides and antifouling agents
    Patent number: 7938897
    Abstract: The present invention relates to microencapsulated compositions of isothiazolone derivatives and other water insoluble biocides or antifouling agents. In particular, the present invention relates to microencapsulated 4,5 dichloro 2 n-octyl-3(2H)-isothiazolone (DCOIT), useful in marine antifouling coatings and paints.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: May 10, 2011
    Assignee: Microtek Laboratories Inc.
    Inventors: Ronald Lee Hart, David Russell Virgallito, Dale Ellis Work
  • MICROENCAPSULATION OF BIOCIDES AND ANTIFOULING AGENTS
    Publication number: 20090186058
    Abstract: The present invention relates to microencapsulated compositions of isothiazolone derivatives and other water insoluble biocides or antifouling agents. In particular, the present invention relates to microencapsulated 4,5 dichloro 2 n-octyl-3(2H)-isothiazolone(DCOIT), useful in marine antifouling coatings and paints.
    Type: Application
    Filed: April 1, 2009
    Publication date: July 23, 2009
    Inventors: Ronald Lee Hart, David Russell Virgallito, Dale Ellis Work
  • Microencapsulation of biocides and antifouling agents
    Patent number: 7550200
    Abstract: The present invention relates to microencapsulated compositions of isothiazolone derivatives and other water insoluble biocides or antifouling agents. In particular, the present invention relates to microencapsulated 4,5 dichloro 2 n-octyl-3(2H)-isothiazolone(DCOIT), useful in marine antifouling coatings and paints.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: June 23, 2009
    Assignee: Microtek Laboratories, Inc.
    Inventors: Ronald Lee Hart, David Russell Virgallito, Dale Ellis Work
  • Macrocapsules containing microencapsulated phase change materials
    Patent number: 6835334
    Abstract: The present invention is directed to a method for producing macrocapsules containing therein a plurality of microcapsules. In accordance with some embodiments of the present invention, the microcapsules contain a phase change material.
    Type: Grant
    Filed: March 8, 2004
    Date of Patent: December 28, 2004
    Assignee: Microtek Laboratories, Inc.
    Inventors: Danny Allen Davis, Ronald Lee Hart, Dale Ellis Work, David Russell Virgallito
  • Macrocapsules containing microencapsulated phase change materials
    Publication number: 20040169299
    Abstract: The present invention is directed to a method for producing macrocapsules containing therein a plurality of microcapsules. In accordance with some embodiments of the present invention, the microcapsules contain a phase change material.
    Type: Application
    Filed: March 8, 2004
    Publication date: September 2, 2004
    Inventors: Danny Allen Davis, Ronald Lee Hart, Dale Ellis Work, David Russell Virgallito
  • Macrocapsules containing microencapsulated phase change materials
    Patent number: 6703127
    Abstract: The present invention is directed to thermal energy storage compositions comprising macrocapsules containing therein a plurality of microcapsules and to methods for producing macrocapsules containing microcapsules. In accordance with some embodiments of the present invention, the microcapsules contain a phase change material.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: March 9, 2004
    Assignee: Microtek Laboratories, Inc.
    Inventors: Danny Allen Davis, Ronald Lee Hart, Dale Ellis Work, David Russell Virgallito
  • Macrocapsules containing microencapsulated phase change materials
    Publication number: 20020061954
    Abstract: The present invention is directed to thermal energy storage compositions comprising macrocapsules containing therein a plurality of microcapsules and to methods for producing macrocapsules containing microcapsules. In accordance with some embodiments of the present invention, the microcapsules contain a phase change material.
    Type: Application
    Filed: September 27, 2001
    Publication date: May 23, 2002
    Inventors: Danny Allen Davis, Ronald Lee Hart, Dale Ellis Work, David Russell Virgallito