Patents Assigned to Carlo Erba S.p.A.
  • Pyrazine 4-oxide derivatives and process for their preparation
    Patent number: 4002750
    Abstract: Compounds of the formula (I) ##STR1## are disclosed, wherein at least one of R.sup.1, R.sup.2 and R.sup.3 is C.sub.1.sub.-6 alkyl and the others are hydrogen atoms; R.sup.4 is hydroxy or C.sub.1.sub.-6 alkoxy, or a salt of the compound wherein R.sup.4 is hydroxy with a pharmaceutically acceptable base. A typical compound is, for example, 2-carboxy-5-methylpyrazine 4-oxide.These compounds exhibit hypoglycaomic and hypolipaomic activity.
    Type: Grant
    Filed: May 19, 1975
    Date of Patent: January 11, 1977
    Assignee: Carlo Erba S.p.A.
    Inventors: Vittorio Ambrogi, Willy Logemann, Marc Antonio Parenti, Raffaele Tommasini
  • 1-Oxo-1H-naphtho [2,1-b] pyran derivatives for treating depression
    Patent number: 4001424
    Abstract: 1-Oxo-1H-naphtho [ 2,1-b] pyran derivatives, such as, for instance, 1-oxo-3-(N-methyl-N-ethyl) amino-1H-naphtho [2,1-b] pyran, are disclosed, as well as pharmaceutical compositions containing same and the method of treating depression by administering such compositions.These compounds are active on the central nervous system, and therefore function as antidepressive agents.
    Type: Grant
    Filed: March 12, 1976
    Date of Patent: January 4, 1977
    Assignee: Carlo Erba S.p.A.
    Inventors: Norina Passerini, Aldo Ermili, Giorgio Roma, Alessandro Balbi, Mauro Mazzei
  • 5C-PROSTEN-13-YNOIC ACIDS
    Patent number: 3935254
    Abstract: 14-Chloro and 13-14 dehydro PG.sub.2 analogues have been prepared.
    Type: Grant
    Filed: March 30, 1973
    Date of Patent: January 27, 1976
    Assignee: Carlo Erba S.p.A.
    Inventors: Carmelo Gandolfi, Gianfederico Doria, Pietro Gaio