Patents by Inventor Basilio Pando

Basilio Pando 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).

  • Quaternary ammonium salts used as phase transfer catalyst
    Patent number: 4880894
    Abstract: Novel quaternary ammonium salts of general formula (I) ##STR1## wherein: R is a saturated or unsaturated, linear or branched alkyl radical of C.sub.1 to C.sub.8.R' is a saturated or unsaturated, linear or branched alkyl radical of C.sub.1 to C.sub.12, or a benzyl radical.n is a number equal to 2 or 3.X.sup..theta. is a halogenide anion, such as Cl.sup..theta., Br.sup..theta., I.sup..theta., are used as phase transfer catalysts, in heterogeneous ionic reactions wherein the reagents are in different phase and have different polarity.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: November 14, 1989
    Assignee: Alter, S.A.
    Inventors: Carlos Sunkel, Miguel Fay de Casa Juana, Fernando Dorrego, Basilio Pando, Julio Alvarez-Builla, Juan J. Vaquero, Carlos Galera, Maria L. Vazquez