Patents by Inventor Rose A. Schultz

Rose A. Schultz 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).

  • Process for preparing glycidyl esters for use in electronics adhesives
    Patent number: 5536855
    Abstract: Glycidyl esters are prepared to have low chlorine, chloride, sodium and potassium contamination and a thixotropic index greater than 3.0 by a process that comprises reacting carboxylic mono- or dimer acids with glycidyl alcohols in a molar ratio of 1 to (0.9-4.0) using carbodiimide as the acylating agent and a pyridine-type catalyst. The pyridine-type catalyst is removed by strongly acidic ion exchange resin.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: July 16, 1996
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Rose A. Schultz, Sharon Chaplinsky
  • Polyimides end-capped with diaryl substituted acetylene
    Patent number: 5138028
    Abstract: Novel polyimide and polyisoimide oligomers and precursors thereof, end-capped with diaryl substituted acetylene.These novel end-capped polyimide or polyisoimides oligomers are useful for composites, molding compounds, adhesives, and electronic applications.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: August 11, 1992
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Charles W. Paul, Rose A. Schultz, Steven P. Fenelli
  • Composition of polyepoxide derived from alkoxy-substituted allylphenol and carboxy-terminated polyester or polyamide
    Patent number: 5034473
    Abstract: Epoxy compositions having improved toughness and flexibility comprising a polyepoxide of the formula ##STR1## wherein each X is H, allyl or glycidyl, Y is allyl or glycidyl and R is an alkyl of 1 to 4 carbons with there being at least two epoxy groups on the ring modified with a carboxy terminated polymer.
    Type: Grant
    Filed: August 17, 1989
    Date of Patent: July 23, 1991
    Assignee: National Starch and Chemical Investment Holding Company
    Inventors: Rose A. Schultz, S. Steve Chen