Patents by Inventor Nelson F. Molina

Nelson F. Molina 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).

  • Polyols useful for preparing water blown rigid polyurethane foam
    Patent number: 6281393
    Abstract: Mannich polyols having a viscosity of from 300 to 3,500 cps (0.3 to 3.5 Pa*s) at 25° C. are prepared by admixing a phenol, an alkanolamines, and formaldehyde mixed in molar ratios of from 1:1:1 to 1:2.2:2.2 resulting in an initiator which can be alkoxylated using a mixture of ethylene oxide and propylene oxide to prepare polyols that have a nominal functionality of from 3 to 5.4.
    Type: Grant
    Filed: September 3, 1999
    Date of Patent: August 28, 2001
    Assignee: The Dow Chemical Company
    Inventors: Nelson F. Molina, Stanley E. Moore