Patents by Inventor Margaret A. Dulany

Margaret A. Dulany 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).

  • Method of forming heat resistant raised print from radiation curable solid particulate compositions
    Publication number: 20050013932
    Abstract: A method of forming heat-resistant raised print on a substrate using a radiation-curable powder composition where the composition is cured using radiation. The powder composition includes one or more ultraviolet radiation curable (meth)acrylated polyester powders, and optionally one or more additives. The method includes applying the (meth)acrylated polyester powder composition to a wet inked print on a substrate to produce a coated print, heating the coated print to melt temperature to form a raised-melt, and irradiating the raised-melt to form the radiation-cured heat-resistant raised print on the substrate.
    Type: Application
    Filed: January 21, 2004
    Publication date: January 20, 2005
    Inventors: Derek Dennis, Rosalyn Waldo, Margaret Dulany
  • Repulpable wet strength resins for paper and paperboard
    Patent number: 5585456
    Abstract: A composition of matter (resin) useful for imparting wet strength to paper products is prepared from a polyamine, a polycarboxylic acid or ester, a dialdehyde and epichlorohydrin. Wet strengthened paper products made using the resin are more easily repulped than paper products made with conventional wet strength agents.
    Type: Grant
    Filed: September 8, 1995
    Date of Patent: December 17, 1996
    Assignee: Georgia-Pacific Resins, Inc.
    Inventors: Margaret A. Dulany, Chad E. Garvey, Clay E. Ringold, Ramji Srinivasan
  • Repulpable wet strength resins for paper and paperboard
    Patent number: 5567798
    Abstract: A composition of matter (resin) useful for imparting wet strength to paper products is prepared from a polyamine, a polycarboxylic acid or ester, a dialdehyde and epichlorohydrin. Wet strengthened paper products made using the resin are more easily repulped than paper products made with conventional wet strength agents.
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: October 22, 1996
    Assignee: Georgia-Pacific Resins, Inc.
    Inventors: Margaret A. Dulany, Chad E. Garvey, Clay E. Ringold, Ramji Srinivasan
  • Resins with reduced epichlorohydrin hydrolyzates
    Patent number: 5256727
    Abstract: Polyamidoamine-epichlorohydrin resin solutions with less than 1500 ppm of epichlorohydrin hydrolyzates after acid stabilization are produced by contacting the resin solution with either (a) dibasic phosphate salts having the general formula M.sub.2 HPO.sub.4 where M represents Na, K, or NH.sub.4, or (b) a nucleophilic alkanolamine at a temperature of less than about 50.degree. C. for a time sufficient to produce a product solution having, after stabilization with acid, less than 1500 ppm of epichlorohydrin hydrolyzates.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: October 26, 1993
    Assignee: Georgia-Pacific Resins, Inc.
    Inventors: Margaret A. Dulany, Clay E. Ringold