Patents by Inventor Robert Colle

Robert Colle 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).

  • Patent number: 5322848
    Abstract: A compound, or solvate or salt thereof, of formula ##STR1## R.sub.1 is hydrogen, halogen, or C.sub.1-6 alkyl; R.sub.2 and R.sub.3 are hydrogen or C.sub.1-6 alkyl;R.sub.5 together with R.sub.4 forms a --(CH).sub.2).sub.2 -- group optionally substituted by one or two C.sub.1-6 alkyl;W is halogen or when A is gem-dimethyl substituted piperidine, is OH;a is 1 or 2,useful in the treatment of pain.
    Type: Grant
    Filed: May 22, 1992
    Date of Patent: June 21, 1994
    Assignee: Dr. Lo Zembeletti S.p.A.
    Inventors: Robert Colle, Giulio Dondio, Giuseppe Giardina, Lorenzo Leurini, Vittorio Vecchietti