Patents by Inventor Mariko Emon

Mariko Emon 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).

  • 3N-substituted 3,4-dihydropyrimidines as agents for treating disorders of cardiovascular system
    Patent number: 4640922
    Abstract: A 3N-substituted 3,4-dihydropyrimidine derivative of the formula: ##STR1## wherein R.sup.1 is methyl or ethyl, R.sup.2 is methyl or ethyl, R is phenyl or substituted phenyl, X is chloro or methyl and pharmaceutically acceptable acid addition salts thereof have substantially the same strong vasodilative and Ca.sup.++ antagonistic effects as nicardipine and therefore are useful as agents for treating disorders of the cardiovascular system, for example, hypotensive agents, agents for amelioration of brain circulation and anti-angina pectoris agents.Processes for producing the above compounds economically and effectively are also disclosed.
    Type: Grant
    Filed: March 6, 1985
    Date of Patent: February 3, 1987
    Assignee: Suntory Limited
    Inventors: Hidetsura Cho, Kazuo Aisaka, Mariko Emon