Patents by Inventor Shwi-Long J. Hwang

Shwi-Long J. Hwang 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).

  • Pressure sensitive adhesive composition, articles made therewith and method of use
    Patent number: 6893718
    Abstract: A pressure sensitive adhesive composition is described, comprising the reaction product of a copolymer and a bisamide crosslinking agent, (A) the copolymer comprising the reaction product of (i) a (meth)acrylate ester of a non-tertiary alcohol in which the alkyl group contains between 1 and 4 carbon atoms, inclusive, and (ii) a carboxylic acid-functional, ethylenically unsaturated co-monomer, and (B) a bisamide crosslinking agent having the formula: where, R1 and R3 independently, are selected from the group consisting of H and CnH2n+1, n is an integer ranging from 1 to 5, R2 is a divalent radical selected from the group consisting of benzeno (—C6H4—), substituted benzeno, triazine, CmH2m, and combinations thereof, m is an integer ranging from 1 to 10, and the relative amounts of the carboxylic acid-functional, ethylenically unsaturated co-monomer and the bisamide crosslinking agent providing a ratio of the number of equivalents of amide groups to the number of equivalents of carboxylic acid groups of
    Type: Grant
    Filed: May 20, 2002
    Date of Patent: May 17, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Kurt C. Melancon, Timothy D. Filiatrault, Shwi-Long J. Hwang, Rodger J. Pereyra
  • Pressure sensitive adhesive composition, articles made therewith and method of use
    Publication number: 20030215630
    Abstract: A pressure sensitive adhesive composition is described, comprising the reaction product of a copolymer and a bisamide crosslinking agent, (A) the copolymer comprising the reaction product of (i) a (meth)acrylate ester of a non-tertiary alcohol in which the alkyl group contains between 1 and 4 carbon atoms, inclusive, and (ii) a carboxylic acid-functional, ethylenically unsaturated co-monomer, and (B) a bisamide crosslinking agent having the formula: 1
    Type: Application
    Filed: May 20, 2002
    Publication date: November 20, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Kurt C. Melancon, Timothy D. Filiatrault, Shwi-Long J. Hwang, Rodger J. Pereyra