Patents by Inventor Yeun J. Chou

Yeun J. Chou 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).

  • Curable emulsions and abrasive articles therefrom
    Patent number: 7169199
    Abstract: A curable emulsion comprises: an oil phase comprising blocked polyisocyanate and curative; and an aqueous phase comprising at least partially neutralized crosslinked copolymer of monomers comprising at least one free-radically polymerizable carboxylic acid and at least one of an alkyl or alkaryl (meth)acrylate. In some embodiments, the curable emulsion further comprises nonionic surfactant. Methods of making the curable emulsions and their use in the manufacture of abrasive articles are also disclosed.
    Type: Grant
    Filed: November 25, 2002
    Date of Patent: January 30, 2007
    Assignee: 3M Innovative Properties Company
    Inventors: Loren L. Barber, Jr., Thomas E. Close, Yeun J. Chou
  • Curable emulsions and abrasive articles therefrom
    Publication number: 20040102574
    Abstract: A curable emulsion comprises: an oil phase comprising blocked polyisocyanate and curative; and an aqueous phase comprising at least partially neutralized crosslinked copolymer of monomers comprising at least one free-radically polymerizable carboxylic acid and at least one of an alkyl or alkaryl(meth)acrylate. In some embodiments, the curable emulsion further comprises nonionic surfactant. Methods of making the curable emulsions and their use in the manufacture of abrasive articles are also disclosed.
    Type: Application
    Filed: November 25, 2002
    Publication date: May 27, 2004
    Applicant: 3M Innovative Properties Company
    Inventors: Loren L. Barber, Thomas E. Close, Yeun J. Chou
  • Nonwoven abrasive articles and method of preparing same
    Patent number: 6312484
    Abstract: An abrasive article is provided having a rebulkable nonwoven web and a continuous sheet-like abrasive coating bonded to the first major surface of the nonwoven web. The abrasive coating comprising a plurality of abrasive particles dispersed in a binder.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: November 6, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Yeun J. Chou, John L. Erickson, Thomas L. Jones, Edward J. Woo
  • Abrasive article having an abrasive coating containing a siloxane polymer
    Patent number: 6238449
    Abstract: Structured abrasive articles having an abrasive coating including a binder which comprises the reaction product of a binder precursor and a reactive siloxane polymer are described as well as methods of making same. The reactive siloxane polymers have at least one functional group which is capable of reacting with the binder precursor.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: May 29, 2001
    Assignee: 3M Innovative Properties Company
    Inventors: Edward J. Woo, Yeun J. Chou, Scott K. Fraser