Patents by Inventor Philipp Eisenbarth

Philipp Eisenbarth 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).

  • Bismaleimide resin containing unreacted monomer reactants
    Patent number: 5093459
    Abstract: Solid, fusible bismaleimide resins formed from a mixture of a bismaleimide and an aminophenol still contain from 70 to 90 mol % of unconverted bismaleimide and from 30 to 60 mol % of unconverted aminophenol.
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: March 3, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Roland Peter, Philipp Eisenbarth, Lothar Schlemmer
  • Heat-curable bismaleidmide/alkenyl phenol/N-vinyl pyrrolidone resin
    Patent number: 5077363
    Abstract: Heat-curable resins which are suitable for fabricating carbon fiber prepregs and fiber composites by winding and resin transfer molding contain a bismaleimide, an alkenylphenol and N-vinylpyrrolidone.
    Type: Grant
    Filed: April 6, 1990
    Date of Patent: December 31, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Philipp Eisenbarth, Roland Peter, Thomas Folda
  • Heat-curable bismaleimide resins
    Patent number: 5059665
    Abstract: Heat-curable bismaleimide resins containing an aromatic alkenyl compound, preferably o,o'-diallylbisphenol A, and a Lewis acid as an additive for prolonging the pot life at elevated temperatures are suitable for impregnating reinforcing fibers, rovings so impregnated having a prolonged gel time and being usable for fabrication of wound structures.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: October 22, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Philipp Eisenbarth, Roland Peter, Thomas Folda
  • Heat-curable bismaleimide-alkenyl heterocyclic molding material
    Patent number: 5003017
    Abstract: Heat-curable bismaleimide resins contain a bismaleimide and a heterocyclic comonomer having terminal alkenyl or alkenyloxy groups. A preferred comonomer is 2,6-bis-(2-propenylphenoxy)-pyridine. The bismaleimide resins are suitable for the production of high performance composites.
    Type: Grant
    Filed: July 26, 1989
    Date of Patent: March 26, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Philipp Eisenbarth, Gerd Linden, Volker Altstaedt, Roland Peter
  • Novel polyphenol and thermosetting plastics prepared therefrom
    Patent number: 4987264
    Abstract: Novel phenol compounds of the general formula ##STR1## where X is a sulfone group or contains a sulfone group, are suitable for the preparation of epoxy resins, vinyl ester resins, bismaleimide resins and cyanate resins.
    Type: Grant
    Filed: April 21, 1989
    Date of Patent: January 22, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Jan Holoch, Roland Peter, Philipp Eisenbarth, Thomas Allspach
  • Bismaleimide resin from bis(maleimido phenoxy)benzene
    Patent number: 4975506
    Abstract: Bismaleimide resins contain a bismaleimide of the formula ##STR1## where R and R' are each hydrogen, methyl or phenyl.
    Type: Grant
    Filed: July 18, 1988
    Date of Patent: December 4, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Philipp Eisenbarth, Lothar Franz
  • Heat-curable molding compositions
    Patent number: 4873284
    Abstract: Bismaleimide resion systems containing a bismaleimide and a multinuclear alkenyl and/or alkynyl arene as comonomers have improved toughness while maintaining high glass transition temperatures.
    Type: Grant
    Filed: January 20, 1988
    Date of Patent: October 10, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Ittemann, Philipp Eisenbarth
  • Heat-curable molding compositions
    Patent number: 4835232
    Abstract: Bismaleimide resin systems containing one or more bismaleimides and an alkenyl and/or alkynyl substituted phenylated dicyclopentadiene comonomer have high glass transition temperatures and impact resistance.
    Type: Grant
    Filed: January 22, 1988
    Date of Patent: May 30, 1989
    Assignee: BASF Aktiengesellschaft
    Inventors: Gunnar Schornick, Philipp Eisenbarth, Rudolf Schuhmacher, Jack D. Boyd
  • Flexible bismaleimides
    Patent number: 4745197
    Abstract: Bismaleimides having the general formula ##STR1## in which n is a whole number between 5 and 70 and --X-- is --O-- or --NH-- are prepared through the reaction of the corresponding amino-terminated polyoxybutylenes with 2 moles of maleic anhydride. They are suited as toughening agents in high grade reactive resins.
    Type: Grant
    Filed: June 30, 1987
    Date of Patent: May 17, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Philipp Eisenbarth, Anton Hesse, Jan Holoch, Roland Peter