Patents by Inventor Daniel Roberjot

Daniel Roberjot 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).

  • Single phase/amorphous blends of amorphous semiaromatic polyamides and semicrystalline nylon polyamides
    Patent number: 5266655
    Abstract: Single-phase and amorphous polymer blends, well adapted for the production of resilient shaped articles, e.g., by molding, include (i) and amorphous semiaromatic polyamide homo- or copolymer, e.g., prepared from 2-methyl-1,5-pentamethylenediamine or mixture thereof with 2-ethyl-1,4-tetramethylenediamine and isophthalic acid or mixture thereof with terephthalic acid, and (ii) a minor amount, up to 40% by weight, of a semicrystalline nylon 66 or nylon 6 polyamide.
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: November 30, 1993
    Assignee: Rhone-Poulenc Chimie
    Inventors: Jean-Pierre Prevost, Daniel Roberjot