Patents by Inventor Karl Walter Kopp

Karl Walter Kopp 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).

  • Publication number: 20130230727
    Abstract: A composition useful as an impregnant for the making of laminates for printed wiring boards including an epoxy resin a first cross-linking agent of a strene-maleic anhydride copolymer and a second co-cross-linking agent.
    Type: Application
    Filed: September 28, 2012
    Publication date: September 5, 2013
    Applicant: ISOLA USA CORP.
    Inventors: Franz Tikart, Karl-Heinz Leis, Karl Walter Kopp
  • Patent number: 8313836
    Abstract: Laminates for printed wiring boards for the making of laminates for printed wiring boards having an impregnant including an epoxy resin, a first cross-linking agent of a strene-maleic anhydride copolymer and a second co-cross-linking agent.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: November 20, 2012
    Assignee: Isola USA Corp.
    Inventors: Franz Tikart, Karl-Heinz Leis, Karl Walter Kopp
  • Publication number: 20120165457
    Abstract: Laminates for printed wiring boards for the making of laminates for printed wiring boards having an impregnant including an epoxy resin, a first cross-linking agent of a strene-maleic anhydride copolymer and a second co-cross-linking agent.
    Type: Application
    Filed: September 2, 2011
    Publication date: June 28, 2012
    Inventors: Franz Tikart, Karl-Heinz Leis, Karl Walter Kopp
  • Patent number: 8022140
    Abstract: A composition useful as an impregnant for the making of laminates for printed wiring boards including an epoxy resin, a first cross-linking agent of a strene-maleic anhydride copolymer and a second co-cross-linking agent.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: September 20, 2011
    Assignee: Isola USA Corp.
    Inventors: Franz Tikart, Karl-Heinz Leis, Karl Walter Kopp
  • Patent number: 7897258
    Abstract: A composition useful as an impregnant for the making of laminates for printed wiring boards comprises a FR4 epoxy resin which is a bisphenol A epoxy resin advanced with tetrabromobisphenol A, a crosslinking agent of a strene-maleic anhydride copolymer and a co-crosslinking agent is an optionally brominated bisphenol A and/or an optionally brominated bisphenol A diglycidyl ether.
    Type: Grant
    Filed: June 16, 2008
    Date of Patent: March 1, 2011
    Assignee: Isola USA Corp.
    Inventors: Franz Tikart, Karl-Heinz Leis, Karl Walter Kopp
  • Publication number: 20080255306
    Abstract: A composition useful as an impregnant for the making of laminates for printed wiring boards comprises a FR4 epoxy resin which is a bisphenol A epoxy resin advanced with tetrabromobisphenol A, a crosslinking agent of a strene-maleic anhydride copolymer and a co-crosslinking agent is an optionally brominated bisphenol A and/or an optionally brominated bisphenol A diglycidyl ether.
    Type: Application
    Filed: June 16, 2008
    Publication date: October 16, 2008
    Inventors: Franz Tikart, Karl-Heinz Leis, Karl Walter Kopp
  • Publication number: 20030153683
    Abstract: A resin composition comprising a copolymer of styrene and maleic anhydride (SMA) as cross-linking agent, an epoxy resin, and a co-cross-linking agent, characterized in that the co-cross-linking agent is an optionally brominated bisphenol A (BPA), or an optionally brominated bisphenol A diglycidyl ether (BPADGE), or a mixture thereof, and that the composition is free from an allyl network forming compound. The resin composition may be applied to make laminates and printed wiring boards.
    Type: Application
    Filed: December 9, 2002
    Publication date: August 14, 2003
    Applicant: Isola Laminate Systems Corp.
    Inventors: Franz Tikart, Karl-Heinz Leis, Karl Walter Kopp