Patents by Inventor Giovanni Gustalla

Giovanni Gustalla 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).

  • Process for the preparation of halogenated polyethers
    Patent number: 5292961
    Abstract: Process for the preparation of halogenated polyethers of the general formula: ##STR1## wherein X=Cl or F, R.sub.F and R'.sub.F either equal to or different from each other, are selected from fluorinated alkyl radicals with from 1 to 20 carbon atoms, cycloalkyl, heterocyclic, alkylcycloalkyl or cycloalkylalkyl radicals, having from 5 to 20 carbon atoms, said radicals possibly containing also other halogen atoms different from fluorine and possibly ethereal oxygen atoms, by reaction with a fluoroxy or chloroxy compound of the formula: R'.sub.F OX with a fluorovinylether of the general formula: R.sub.F O--CF.dbd.CF.sub.2.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: March 8, 1994
    Assignee: Ausimont S.p.A.
    Inventors: Antonio Marraccini, Giovanni Gustalla, Alessandro Malacrida, Giorgio Guglielmo