Patents by Inventor Mark Leo Listemann

Mark Leo Listemann 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).

  • Aminopropylbis(aminoethyl) ether compositions for the production of polyurethanes
    Patent number: 6051527
    Abstract: A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition consisting essentially of a compound having the following formula I: ##STR1## where R.sup.1 is hydrogen or a C1-C4 linear or branched alkyl, hydroxyalkyl or aminoalkyl group;R.sup.2 is hydrogen or a C1-C6 linear or branched alkyl, hydroxyalkyl or aminoalkyl group; andR.sup.3 and R.sup.4 are independently hydrogen or a C1-C10 linear or branched alkyl, hydroxyalkyl or aminoalkyl group which may contain ether functionality.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: April 18, 2000
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Ann Coates Lescher Savoca, Richard Paul Underwood, Richard Van Court Carr, James Stephen Emerick, Mark Leo Listemann
  • 3-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide for the production of polyurethanes
    Patent number: 6037496
    Abstract: 3-{N-[2-(N',N'-dimethylamino ethoxy)ethyl]-N-methylamino}propionamide is a new compound which is useful as a catalyst in the production of polyurethane foams.
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: March 14, 2000
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Richard Van Court Carr, Ning Chen, Mark Leo Listemann, Richard Paul Underwood
  • Group IVB metal blowing catalyst compositions for the production of polyurethane foams
    Patent number: 5902835
    Abstract: An improved method of preparing polyurethane foam by reacting an organic polyisocyanate with a polyol in the presence of water and a combination of a gelling catalyst and a blowing catalyst, in which the blowing catalyst is a compound represented by the following formulae:?M(L.sup.1)(L.sup.2)(L.sup.3)(L.sup.4)!.sub.n?M(L.sup.1)(L.sup.2)(L.sup.3)!.sub.n?M(L.sup.1)(L.sup.2)!.sub.n?M(L.sup.1)!.sub.nwherein M is titanium, zirconium, or hafnium; n ranges from 1 to 20; and each of L.sup.1, L.sup.2, L.sup.3, and L.sup.
    Type: Grant
    Filed: May 28, 1998
    Date of Patent: May 11, 1999
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Ingrid Kristine Meier, Mark Leo Listemann, Michael John Kimock
  • Aminopropylbis (aminoethyl) ether compositions for the production of polyurethanes
    Patent number: 5874483
    Abstract: A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition consisting essentially of a compound having the following formula I: ##STR1## where R.sup.1 is hydrogen or a C1-C4 linear or branched alkyl, hydroxyalkyl or aminoalkyl group;R.sup.2 is hydrogen or a C1-C6 linear or branched alkyl, hydroxyalkyl or aminoalkyl group; andR.sup.3 and R.sup.4 are independently hydrogen or a C1-C10 linear or branched alkyl, hydroxyalkyl or aminoalkyl group which may contain ether functionality.
    Type: Grant
    Filed: September 27, 1995
    Date of Patent: February 23, 1999
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Ann Coates Lescher Savoca, Richard Paul Underwood, Richard Van Court Carr, James Stephen Emerick, Mark Leo Listemann
  • Polyurethane catalyst compositions for improving foam performance
    Patent number: 5859079
    Abstract: A polyurethane catalyst composition comprises N,N'-bis(3-dimethylaminopropyl) urea and 3-dimethylaminopropyl urea in a ratio that can be varied to systematically control flowability, airflow, and force-to-crush physical properties for flexible polyurethane foam to enhance processibility. Increasing the N,N'-bis(3-dimethylaminopropyl) urea to 3-dimethylaminopropyl urea ratio increases the airflow and decreases the force-to-crush values of the foam whereas decreasing the N,N'-bis(3-dimethylaminopropyl) urea to 3-dimethylaminopropyl urea ratio improves the flowability of the foam.
    Type: Grant
    Filed: May 21, 1997
    Date of Patent: January 12, 1999
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Lisa Ann Mercando, Michael John Kimock, Michael Louie, Mark Leo Listemann
  • N,N,N'-trimethylbis (Aminoethyl) ether substituted urea compostions for the production of polyurethanes
    Patent number: 5824711
    Abstract: A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition consisting essentially of the compound represented by the following formula I or II, or any blend of I and II.
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: October 20, 1998
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Michael John Kimock, Mark Leo Listemann
  • Aminomethyl pyrrolidine urea compositions for the production of polyurethanes
    Patent number: 5756557
    Abstract: A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition comprising a compound represented by the following formula I or II, or any blend of compounds I and II.
    Type: Grant
    Filed: May 6, 1997
    Date of Patent: May 26, 1998
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Michael John Kimock, Mark Leo Listemann
  • Hydroxymethyl quinuclidine catalyst compositions for making polyurethane foams
    Patent number: 5710191
    Abstract: A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition comprising at least one compound of either of the following formulas IA and IB: ##STR1## where R is hydrogen, methyl or hydroxymethyl. The preferred catalysts comprise 3-hydroxymethyl quinuclidine, 3-methyl-3-hydroxymethyl quinuclidine and 4-hydroxymethyl quinuclidine.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: January 20, 1998
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Mark Leo Listemann, Kristen Elaine Minnich, Brian Eugene Farrell, Lisa Ann Mercando, Michael John Kimock, James Dudley Nichols