Patents by Inventor Quirino A. Trementozzi

Quirino A. Trementozzi 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).

  • Polyblends of polyphenylene oxide and styrene-acrylonitrile polymers having broad acrylonitrile compositional distribution
    Patent number: 4578423
    Abstract: Polyblends comprising about 10 to about 90% by weight of polyphenylene oxide and about 90 to about 10% of SAN or ABS polymer comprising 8 to 17 average % by weight acrylonitrile in which the acrylonitrile compositional distribution in the SAN or ABS polymer is broad in that the standard deviation of the weight % AN about the mean value is at least about 3.5%.
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: March 25, 1986
    Assignee: Monsanto Company
    Inventors: Gary L. Deets, Quirino A. Trementozzi
  • Polyblends comprising N-phenylmaleimide copolymers and SAN copolymers
    Patent number: 4374951
    Abstract: Polyblends of N-phenyl maleimide copolymers and SAN copolymers within certain imide and acrylonitrile content ranges are found to have unique compatibility properties not displayed by related copolymer blends.
    Type: Grant
    Filed: September 11, 1981
    Date of Patent: February 22, 1983
    Assignee: Monsanto Company
    Inventors: Yoon C. Lee, deceased, Gary L. Deets, Quirino A. Trementozzi
  • Low acrylonitrile content styrene-acrylonitrile polymers blended with polyphenylene oxide
    Patent number: 4360618
    Abstract: Polyphenylene oxide blended with SAN or ABS polymers containing from 2 to 8% by weight of acrylonitrile have highly advantageous combination of strength and distortion temperature.
    Type: Grant
    Filed: November 19, 1981
    Date of Patent: November 23, 1982
    Assignee: Monsanto Company
    Inventor: Quirino A. Trementozzi
  • Rubber modified terpolymers with improved heat distortion resistance
    Patent number: 4341695
    Abstract: Rubber-modified terpolymers of a monoalkenyl aromatic monomer, an unsaturated dicarboxylic acid anhydride and an alkyl methacrylate are found to possess an unexpectedly high heat distortion temperature over a certain range of composition.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: July 27, 1982
    Assignee: Monsanto Company
    Inventors: Yoon C. Lee, Quirino A. Trementozzi
  • Terpolymers with improved heat distortion resistance
    Patent number: 4305869
    Abstract: Terpolymers of a monoalkenyl aromatic monomer, an unsaturated dicarboxylic acid anhydride and an alkyl methacrylate are found to possess an unexpectedly high heat distortion temperature over a certain range of composition.
    Type: Grant
    Filed: December 17, 1979
    Date of Patent: December 15, 1981
    Assignee: Monsanto Company
    Inventors: Yoon C. Lee, Quirino A. Trementozzi
  • Rubber-modified terpolymer with improved molding characteristics
    Patent number: 4262096
    Abstract: Rubber-modified terpolymers of from 50 to 83% of a monoalkenyl aromatic monomer, from 15 to 30% of an unsaturated dicarboxylic acid anhydride, from 2 to 20% of an unsaturated nitrile are described which are useful as molding compositions.
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: April 14, 1981
    Assignee: Monsanto Company
    Inventors: Yoon C. Lee, Quirino A. Trementozzi
  • Rubber-modified terpolymer with improved molding characteristics
    Patent number: 4223096
    Abstract: Rubber-modified terpolymers of from 50 to 83% of a monoalkenyl aromatic monomer, from 15 to 30% of an unsaturated dicarboxylic acid anhydride, from 2 to 20% of an unsaturated nitrile are described which are useful as molding compositions.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: September 16, 1980
    Assignee: Monsanto Company
    Inventors: Yoon C. Lee, Quirino A. Trementozzi
  • Tough polyblends with improved heat distortion resistance
    Patent number: 4197376
    Abstract: Polyblends are disclosed which comprise an ABS polymer blended with a rubber-modified polymer of a monoalkenyl aromatic monomer and an unsaturated dicarboxylic acid anhydride.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: April 8, 1980
    Assignee: Monsanto Company
    Inventors: Yoon C. Lee, Quirino A. Trementozzi