Patent · US Expired

Therapeutically effective derivatives of cystine

US4438133A · kind A · utility

0Cited by
2References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 28, 1982
Grant dateMar 20, 1984
Priority date
Expiry dateJun 28, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2601/14
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Novel cystine derivatives having the structural formula (I): ##STR1## wherein R is benzyloxycarbonyl or tosyl, and the pharmaceutically acceptable acid addition salts thereof, are effective expectorants and antitussives, and are also effective for the liquescence of respiratory tract fluids.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.