Patents Assigned to CONNORA TECHNOLOGIES, INC.
  • Publication number: 20170114002
    Abstract: The present invention relates to the reduction of polycyano compounds to produce polyamines, in particular diaminoacetal and diaminoketal compounds, and their use as curing agents in epoxy resin compositions. The reduction with molecular hydrogen can be carried out using a metal catalyst selected from GROUP VIII and a catalytic promoter. The reduction can include anhydrous or aqueous ammonia. The reaction can be carried out in continuous and batch modes with catalyst and solvent recycling. The epoxy resin composition consisting of an epoxy resin and a polyamine curing agent that can be used in fiber-reinforced composite materials, coating materials, and the like.
    Type: Application
    Filed: January 3, 2017
    Publication date: April 27, 2017
    Applicant: CONNORA TECHNOLOGIES, INC.
    Inventor: Stefan J. Pastine
  • Patent number: 9631049
    Abstract: Compounds of formula I, uses as crosslinking agents or curing agents thereof, and resins obtained by using the compounds as crosslinking agents.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: April 25, 2017
    Assignee: CONNORA TECHNOLOGIES, INC.
    Inventors: Stefan J. Pastine, Bo Liang, Bing Qin
  • Publication number: 20130245204
    Abstract: Compounds of formula I, uses as crosslinking agents or curing agents thereof, and resins obtained by using the compounds as crosslinking agents.
    Type: Application
    Filed: July 8, 2011
    Publication date: September 19, 2013
    Applicant: CONNORA TECHNOLOGIES, INC.
    Inventors: Stefan J. Pastine, Bo Liang, Bing Qin