Patents by Inventor Thomas W. Panunto

Thomas W. Panunto 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).

  • Hydroxyl containing quaternary ammonium salts of fatty acids as internal mold release compositions
    Patent number: 5317075
    Abstract: In an active hydrogen-containing B-side composition for reaction with a polyisocyanate-containing A-side composition to make a polyurethane or polyurethane/urea elastomer by reaction injected molding, the improvement which comprises a mold release composition which is the reaction product of a C.sub.12 -C.sub.36 fatty acid, a tertiary amine having at least one C.sub.12 -C.sub.18 alkyl substituent and a C.sub.2 -C.sub.21 reactive epoxide.
    Type: Grant
    Filed: December 16, 1992
    Date of Patent: May 31, 1994
    Assignee: Air Products and Chemicals, Inc.
    Inventors: John E. Dewhurst, Ronald M. Pearlstein, Thomas W. Panunto, Reinaldo M. Machado
  • Zinc stearate as a flow promoting additive for triethylenediamine
    Patent number: 4990616
    Abstract: A flowable triethylenediamine composition containing 200 to 1,000 ppm zinc stearate. Aqueous solutions containing such flowable triethylenediamine in amounts suitable for making polyurethane foam are clear and colorless without foam formation on the solution surface.
    Type: Grant
    Filed: March 17, 1989
    Date of Patent: February 5, 1991
    Assignee: Air Products and Chemicals, Inc.
    Inventor: Thomas W. Panunto
  • Optically nonlinear pyridine-N-oxide complexes
    Patent number: 4959477
    Abstract: Compounds capable of second harmonic generation are provided for use in a nonlinear optical device, in combination, a harmonic-generating medium, means for introducing coherent radiation into said harmonic-generating medium, and means for utilizing the coherent radiation emitted from said medium, wherein said medium consists essentially of a crystalline body of a compound of the formula: ##STR1## wherein n is about 0-5, m is about 0-5, R.sup.1 is individually --NO.sub.2, --OR.sup.2, --CH, --NR.sup.2 R.sup.3, (C.sub.1 -C.sub.5)alkyl, --CO.sub.2 H, halo, ##STR2## R is individually --NO.sub.2, --CH.sub.3, --OR.sup.2, --NR.sup.2 R.sup.3, --CN, ##STR3## and X is --O--, --S--, --N(R.sup.2)--, ##STR4## or --C.tbd.C--; and wherein R.sup.2 and R.sup.3 are individually H, (C.sub.1 -C.sub.5 alkyl, aryl or ar(C.sub.1 -C.sub.5)alkyl.
    Type: Grant
    Filed: February 14, 1989
    Date of Patent: September 25, 1990
    Assignee: Regents of the University of Minnesota
    Inventors: Margaret C. Etter, Gayle M. Frankenbach, Thomas W. Panunto
  • Optically nonlinear pyridine-N-oxide complexes
    Patent number: 4839536
    Abstract: Compounds capable of second harmonic generation are provided for use in a nonlinear optical device, in combination, a harmonic-generating medium, means for introducing coherent radiation into said harmonic-generating medium, and means for utilizing the coherent radiation emitted from said medium, wherein said medium consists essentially of a crystalline body of a compound of the formula: ##STR1## wherein n is about 0-5, m is about 0-5, R.sup.1 is individually --NO.sub.2, --OR.sup.2, --CN, --NR.sup.2 R.sup.3, (C.sub.1 -C.sub.5)alkyl, --CO.sub.2 H, halo, ##STR2## R is individually --NO.sub.2, --CH.sub.3, --OR.sup.2, --NR.sup.2 R.sup.3, --CN, ##STR3## and X is --O--, --S--, --N(R.sup.2)--, ##STR4## and wherein R.sup.2 and R.sup.3 are individually H, (C.sub.1 -C.sub.5)alkyl, aryl or ar(C.sub.1 -C.sub.5)alkyl.
    Type: Grant
    Filed: November 24, 1987
    Date of Patent: June 13, 1989
    Assignee: Regents of the University of Minnesota
    Inventors: Margaret C. Etter, Gayle M. Frankenbach, Thomas W. Panunto