Patents by Inventor Daniel James Weinmann

Daniel James Weinmann 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).

  • Waterproofing membrane from epoxy resin and amine-terminated polyamide
    Patent number: 6395845
    Abstract: The present invention relates to thermoset epoxy resin waterproofing membranes for structures such as roofs comprising: (a) one or more epoxy resin(s) having an average of at least 1.5 epoxy groups per molecule; (b) a liquid amine terminated polyamide prepared by reacting at least one C18-50 dicarboxylic acid and an aminoalkylpiperazine in a ratio of moles of aminoalkylpiperazine to equivalents of carboxyl group in the acid of greater than 0.75:1; (c) one or more optional polyamine(s); (d) one or more optional filler(s); and (e) one or more optional modifying resin(s) wherein the tensile modulus of the thermoset epoxy waterproofing membranes is less than 200,000 psi and the tensile elongation of the thermoset epoxy waterproofing membranes is greater than 20%.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: May 28, 2002
    Assignee: Resolution Performance Products LLC
    Inventors: Daniel James Weinmann, Steven Lee Stewart
  • Epoxy resin system
    Patent number: 5780555
    Abstract: An amine curing agent composition for an epoxy resin is provided having low volatility and good processability containing a) a polyamine curing agent and b) an aliphatic alcohol-alkylene oxide adduct. An epoxy resin-polyamine curing agent system containing an aliphatic alcohol-alkylene oxide adduct is also provided.
    Type: Grant
    Filed: September 16, 1996
    Date of Patent: July 14, 1998
    Assignee: Shell Oil Company
    Inventors: Larry Steven Corley, Kalyan Ghosh, Joseph Michael Hunter, Derek Scott Kincaid, Leo Meilus, Daniel James Weinmann
  • Epoxy resin system
    Patent number: 5746935
    Abstract: An amine curing agent composition for an epoxy resin is provided having low volatility and good processability containing a) a polyamine curing agent and b) an aliphatic alcohol-alkylene oxide adduct. An epoxy resin-polyamine curing agent system containing an aliphatic alcohol-alkylene oxide adduct is also provided.
    Type: Grant
    Filed: September 23, 1996
    Date of Patent: May 5, 1998
    Assignee: Shell Oil Company
    Inventors: Larry Steven Corley, Kalyan Ghosh, Joseph Michael Hunter, Derek Scott Kincaid, Leo Meilus, Daniel James Weinmann