Patents by Inventor Alfredo Orsi

Alfredo Orsi 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).

  • Integrated process for the production of butene-1
    Patent number: 5955640
    Abstract: Integrated process for the production of butene-1 which comprises feeding a C.sub.4 hydrocarbon stream to a separation unit of butene-1 and recycling the remaining stream to the same unit after treatment in a bond isomerization section to convert the remaining butenes-2 into butene-1, a molecular sieve separation unit is inserted in the cycle operating with the hydrocarbons in a vapour phase, for the purge of the paraffins.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: September 21, 1999
    Assignees: Enichem S.p.A., Snamprogetti S.p.A.
    Inventors: Renato Paludetto, Alfredo Orsi, Roberto Trotta, Gianni Donati
  • Integrated process for the simultaneous production of alkyl tert-butyl ethers and 1-butene
    Patent number: 5563299
    Abstract: An integrated process for the simultaneous production of alkyl tert-butyl ethers and 1-butene, comprising feeding a C.sub.4 hydrocarbon stream to an etherification unit and recycling the remaining stream to the same unit after possible separation of the 1-butene and treatment in an isomerization section to convert the remaining butenes into isobutene, a molecular sieve separation unit operating with the hydrocarbons in the vapour phase being incorporated into the cycle.
    Type: Grant
    Filed: February 3, 1995
    Date of Patent: October 8, 1996
    Assignees: Enichem S.p.A, Snamprogetti S.p.A.
    Inventors: Renato Paludetto, Gianni Donati, Alfredo Orsi, Gianni Pandolfi, Roberto Trotta, Maura Brianti