Patents by Inventor Jose Luis Ayuso Piqueras

Jose Luis Ayuso Piqueras 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 CRYSTALLINE THERMOPLASTIC AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20010051694
    Abstract: The compound has the general formula I 1
    Type: Application
    Filed: July 19, 1999
    Publication date: December 13, 2001
    Inventors: JOAQUIM JULIA BARGES, JOSE LUIS AYUSO PIQUERAS
  • Polyurethane thermoplastic material and production process
    Patent number: 6140453
    Abstract: The thermoplastic polyurethane material has the general formula I ##STR1## (1<f<500; 1<f'<15; R and R'=alkyl or aryl) and X has formula II ##STR2## (2<n<140; 1<(n'+n")<51). The process for the preparation thereof comprises reacting a polyether-polycaprolactone block copolymer having a molecular weight ranging from 1000 to 6000 of formula IIa ##STR3## with a chain extender of formula HO--R'--OH and a diisocyanate of formula OCN--R--NCO.
    Type: Grant
    Filed: May 18, 1999
    Date of Patent: October 31, 2000
    Assignee: Merquinsa Mercados Quimicos, S.L.
    Inventors: Joaquim Julia Barges, Jose Luis Ayuso Piqueras