Patents by Inventor Guido Maretti

Guido Maretti 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).

  • Polyurethane foams
    Patent number: 5441993
    Abstract: Process for preparing a flexible foam from a polyisocyanate, water as blowing agent and an isocyanate-reactive composition comprising a polyol with a low ethylene-oxide (EO) content, a polyol with a high EO content and an amine chain extender/cross-linker.
    Type: Grant
    Filed: December 16, 1992
    Date of Patent: August 15, 1995
    Assignee: Imperial Chemical Industries PLC
    Inventor: Guido Maretti