Patents by Inventor Theodorus O. N. de Vroomen

Theodorus O. N. de Vroomen 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).

  • Copolyestercarbonate composition derived from dihydric phenol, carbonate precursor and an alpha omega dicarboxylic acid
    Patent number: 5510182
    Abstract: A composition comprising a copolyestercarbonate derived from a dihydric phenol, a carbonate precursor, and an aliphatic alpha omega dicarboxylic acid or ester precursor wherein the dicarboxylic acid or ester precursor has from 10 to about 20 carbon atoms, inclusive, and is present in the copolyestercarbonate in quantities of from about 2 to 30 mole percent of the dihydric phenol.
    Type: Grant
    Filed: March 29, 1994
    Date of Patent: April 23, 1996
    Assignee: General Electric Company
    Inventors: Luca P. Fontana, Kenneth F. Miller, Adrianus A. Claesen, Peter W. van Es, Theodorus O. N. de Vroomen, Clayton B. Quinn, Richard W. Campbell
  • Copolyestercarbonate composition derived from dihydricphenol, carbonate precursor and alpha omega-dicarboxylic acid
    Patent number: 5510448
    Abstract: A composition comprising a copolyestercarbonate derived from a dihydric phenol, a carbonate precursor, and an aliphatic alpha omega dicarboxylic acid or ester precursor wherein the dicarboxylic acid or ester precursor has from 10 to about 20 carbon atoms, inclusive, and is present in the copolyestercarbonate in quantities of from about 2 to 30 mole percent of the dihydric phenol.
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: April 23, 1996
    Assignee: General Electric Company
    Inventors: Luca P. Fontane, Kenneth F. Miller, Christianus A. A. Claesen, Peter W. van Es, Theodorus O. N. de Vroomen, Clayton V. Quinn, Richard W. Campbell
  • Phenolic compound end capped polyester carbonate
    Patent number: 5321114
    Abstract: A composition comprising a copolyestercarbonate derived from a dihydric phenol, a carbonate precursor, and an aliphatic alpha omega dicarboxylic acid or ester precursor wherein the dicarboxylic acid or ester precursor has from 10 to about 20 carbon atoms, inclusive, and is present in the copolyestercarbonate in quantities of from about 2 to 30 mole percent of the dihydric phenol.
    Type: Grant
    Filed: April 8, 1993
    Date of Patent: June 14, 1994
    Assignee: General Electric Company
    Inventors: Luca P. Fontana, Kenneth F. Miller, Christianus A. A. Claesen, Peter W. van Es, Theodorus O. N. de Vroomen, Clayton B. Quinn, Richard W. Campbell