Patents by Inventor Bruce A. Marteness

Bruce A. Marteness 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).

  • Patent number: 4777084
    Abstract: Viscous oligomeric epoxy resins can be quickly cured at temperatures of 100.degree. C. by incorporating a hardener that is a blend of (a) the oligomeric reaction product of bisphenol A and bisphenol A monoglycidyl ether and (b) an imidazole. The cured resins are tough and resistant to both moisture and high temperatures. Prepregs, in which glass, graphite or polymeric organic fiber sheets are saturated with these resins, are particularly useful in the repair of damaged aircraft and aerospace structures.
    Type: Grant
    Filed: October 8, 1987
    Date of Patent: October 11, 1988
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Bruce A. Marteness
  • Patent number: 4292110
    Abstract: Fabric-reinforced adhesive bonding sheet, the adhesive of which is a blend of epoxy resin and a dianiline which soften and melt at 50.degree.-110.degree. C. The bonding sheet is especially useful for making insulated rail joints.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: September 29, 1981
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Bruce A. Marteness
  • Patent number: 4209130
    Abstract: An electrically insulated rail joint is protected from electrical shorting by laying an adhesive tape against the undersides and around the toes of the rails across their juncture. The adhesive tape has a thin plastic film backing which is exceedingly stretchy and a thick adhesive which is tacky, stretchy, self-sealing and more adhesive than cohesive.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: June 24, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Gerald J. Sundsrud, Bruce A. Marteness