Patents by Inventor Robert Li-Jiun Sun

Robert Li-Jiun Sun 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).

  • Patent number: 6953602
    Abstract: The invention relates to a adhesive article comprising at least one backing layer with a first and second surface and a pressure sensitive adhesive layer adhered first surface of the backing layer in a pattern, wherein the pattern of the adhesive layer has an adhesive free area of less than about 25% and wherein the adhesive article has a water vapor transmission rate of greater than about 2000 g/m2/24 hour. The invention also relates to a method of forming an adhesive article comprising (a) providing a release liner, (b) applying pressure sensitive adhesive in a pattern wherein the free adhesive area is less than 25%, and (c) applying a backing layer to the pressure sensitive adhesive.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: October 11, 2005
    Assignee: Avery Dennison Corporation
    Inventors: Theresa L. Carte, Kim Vesey, Omar Attia, Brett Ulrich, Karen L. Spilizewski, Robert Li-Jiun Sun
  • Publication number: 20030064190
    Abstract: The invention relates to a adhesive article comprising at least one backing layer with a first and second surface and a pressure sensitive adhesive layer adhered first surface of the backing layer in a pattern, wherein the pattern of the adhesive layer has an adhesive free area of less than about 25% and wherein the adhesive article has a water vapor transmission rate of greater than about 2000 g/m2/24 hour. The invention also relates to a method of forming an adhesive article comprising (a) providing a release liner, (b) applying pressure sensitive adhesive in a pattern wherein the free adhesive area is less than 25%, and (c) applying a backing layer to the pressure sensitive adhesive. The present invention provides pattern coated adhesive bandages that strongly adhere to human skin while permitting water vapor transmission there through. Accordingly the present invention also provides methods of facilitating the healing of wounds using the pattern coated adhesive bandage.
    Type: Application
    Filed: October 15, 2002
    Publication date: April 3, 2003
    Inventors: Theresa L. Carte, Kim Vesey, Omar Attia, Brett Ulrich, Karen L. Spilizewski, Robert Li-Jiun Sun
  • Patent number: 6495229
    Abstract: The invention relates to a adhesive article comprising at least one backing layer with a first and second surface and a pressure sensitive adhesive layer adhered first surface of the backing layer in a pattern, wherein the pattern of the adhesive layer has an adhesive free area of less than about 25% and wherein the adhesive article has a water vapor transmission rate of greater than about 2000 g/m2/24 hour. The invention also relates to a method of forming an adhesive article comprising (a) providing a release liner, (b) applying pressure sensitive adhesive in a pattern wherein the free adhesive area is less than 25%, and (c) applying a backing layer to the pressure sensitive adhesive. The present invention provides pattern coated adhesive bandages that strongly adhere to human skin while permitting water vapor transmission there through. Accordingly the present invention also provides methods of facilitating the healing of wounds using the pattern coated adhesive bandage.
    Type: Grant
    Filed: August 22, 2000
    Date of Patent: December 17, 2002
    Assignees: Avery Dennison Corporation, Johnson & Johnson Consumer Companies, Inc.
    Inventors: Theresa L. Carte, Kim Vesey, Omar Attia, Brett Ulrich, Karen L. Spilizewski, Robert Li-Jiun Sun
  • Patent number: 4690842
    Abstract: A composition with reduced tack used to reinforce polyurethane casts is disclosed. The composition has controlled foaming activity and a viscosity between 100,000 and 1,000,000. The foaming activity and viscosity and reduced tack allow the formulation to be readily applied to the cast area that is to be reinforced.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: September 1, 1987
    Assignee: Johnson & Johnson Products, Inc.
    Inventors: Gene W. Kammerer, Hee K. Yoon, Robert Li-Jiun Sun