Patents Represented by Attorney Simon L. Xu
  • Patent number: 8273684
    Abstract: The invention pertains to a seed coating composition comprising a certain latex binder and/or graft polymer dispersant. The seed coating composition imparts good color to treated seeds, has excellent durability, and is non-sticky after application to allow for smooth flow of coated seed in planting equipment.
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: September 25, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Chaucer C. Tang, Donald W. Ward, George R. Wheeler
  • Patent number: 8087767
    Abstract: An ink set is provided which produces a printed article having excellent physical durability. The ink set contains a first liquid composition containing a reactive carbonyl group and a second liquid composition containing a co-reactive amine group, at least one of the first liquid composition and the second liquid composition further containing a coloring material. When the two inks are printed on a substrate in at least a partially overlapping arrangement, the reactive amine and reactive carbonyl species can crosslink to form a more durable image.
    Type: Grant
    Filed: March 8, 2007
    Date of Patent: January 3, 2012
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Richard Douglas Bauer, Kenneth Gene Moloy
  • Patent number: 7989391
    Abstract: The invention pertains to a seed coating composition comprising a certain latex binder and/or graft polymer dispersant. The seed coating composition imparts good color to treated seeds, has excellent durability, and is non-sticky after application to allow for smooth flow of coated seed in planting equipment.
    Type: Grant
    Filed: October 26, 2006
    Date of Patent: August 2, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Chaucer C. Tang, Donald W. Ward, George R. Wheeler
  • Patent number: 7905589
    Abstract: Method for printing high gloss, high DOI (distinctness of image) images with pigmented inkjet inks. The method comprises printing the pigmented inks in one pass onto absorbent glossy media.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: March 15, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Harry Joseph Spinelli, Richard Douglas Bauer
  • Patent number: 7833337
    Abstract: The invention provides an ink for inkjet printing, comprising a self-dispersing pigment colorant and a bleed control agent selected from the group consisting of catechol, 4-methylcatechol and any combination thereof. The ink advantageously exhibits reduced intercolor bleed when printed, for example, on plain paper.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: November 16, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Jose Esteban Valentini
  • Patent number: 7833336
    Abstract: The present invention provides an ink for inkjet printing, comprising an aqueous vehicle, a pigment colorant and an effective amount of 3-butoxypropylamine as a bleed control agent. The ink exhibits reduced intercolor bleed when printed, for example, on plain paper.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: November 16, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Jose Esteban Valentini
  • Patent number: 7806969
    Abstract: The present invention pertains to an aqueous-based black inkjet ink comprising a mixture of Direct Black 168, Acid Blue 290 and a certain magenta dye. The ink exhibits good color neutrality and gray scale.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: October 5, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Jose Esteban Valentini, Kuo Hsiung Kung, James A. Silver, William Thomas Hall
  • Patent number: 7771523
    Abstract: The present invention pertains to an aqueous inkjet ink comprising anionic self-dispersing pigment, a certain mixture of alkali metal cations and a certain humectant. The inks exhibit greatly extended latency.
    Type: Grant
    Filed: April 15, 2008
    Date of Patent: August 10, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventor: Christian Jackson