Patents by Inventor Pierluigi Griggi

Pierluigi Griggi 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 17.beta.-substituted-4-aza-5.alpha.-androstan-3-one derivatives
    Patent number: 5342948
    Abstract: The preparation of a compound of formula (I) ##STR1## wherein X is oxygen or sulphur; R.sub.1 is hydrogen or C.sub.1 -C.sub.6 alkyl; each of R.sub.2 and R.sub.3 is, independently, hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.5 or C.sub.6 cycloalkyl or C.sub.6 -C.sub.9 cycloalkylalkyl; R.sub.4 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 - or C.sub.6 cycloalkyl, C.sub.6 -C.sub.9 cycloalkylalkyl or aryl; and the symbol represents a single or a double bond; by a multi-step process is disclosed.
    Type: Grant
    Filed: March 19, 1993
    Date of Patent: August 30, 1994
    Assignee: Farmitalia Carlo Erba S.R.L.
    Inventors: Achille Panzeri, Lucio Ceriani, Pierluigi Griggi, Marcella Nesi
  • Crystalline (5R,6S)-2-carbamoyloxymethyl-6-[(1R)-hydroxyethyl]-2-penem-carboxylic acid and its pharmaceutical formulation
    Patent number: 5302588
    Abstract: A crystalline form of (5R,6S)-2-carbamoyloxymethyl-6-[(1R)-hydroxyethyl]-2-penem-3-carboxylic acid incorporates two molecules of water per molecule of the acid and is useful as an antibacterial agent.
    Type: Grant
    Filed: June 16, 1992
    Date of Patent: April 12, 1994
    Assignee: Farmitalia Carlo Erba
    Inventors: Carlo Battistini, Roberto Bianchini, Stefano del Nero, Pierluigi Griggi, Sergio Vioglio