Patents by Inventor Tri Vovan

Tri Vovan 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).

  • Pyrrolopyrimidinones and pyrroloimidazolones and their compositions and therapeutic methods
    Patent number: 4325954
    Abstract: The present invention relates to compounds having the formula: ##STR1## in which: n is equal to 1 or 2,R.sub.1 represents a hydrogen atom and R.sub.2 represents a phenyl group or a benzofuryl group; or R.sub.2 represents a hydrogen atom and R.sub.1 represents a phenyl group or a benzyl group; andgrouping -A-B- represents a group of the formula: ##STR2## or --CO--(CH.sub.2).sub.3 --in which R represents a hydrogen atom, a C.sub.1-6 alkyl radical, a phenyl group, a benzyl group, a methylthioethyl group, or a group having the formula --(CH.sub.2).sub.m --COOR' in which m is equal to 0, 1 or 2 and R' is a C.sub.1-6 alkyl radical,and their pharmacologically acceptable acid addition salts.These compounds are useful in the treatment of depressions.
    Type: Grant
    Filed: February 1, 1980
    Date of Patent: April 20, 1982
    Assignee: Laboratoires Jacques Logeais
    Inventors: Jacques G. Maillard, Tri Vovan, Jacky M. Legeai