Patents by Inventor Alan M. Franson

Alan M. Franson 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).

  • Process for preparing reduced density, water blown MDI-based polyurethane foams
    Patent number: 5236964
    Abstract: A method for preparing a reduced density MDI based polyurethane foam by reacting a polyol with an MDI composition using at least 4 parts by weight water based on 100 parts of polyol as the blowing agent and a catalyst composition consisting essentially of the addition product of triethylenediamine and a boron compound of the formulaR.sub.n B(OH).sub.3-nwheren=0 or 1, andR=C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.8 cycloalkyl or C.sub.6 -C.sub.10 aryl.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: August 17, 1993
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Ann C. L. Savoca, Alan M. Franson