Patent · US Expired

Vaginal delivery systems and their methods of preparation and use

US4551148A · kind A · utility

39Cited by

13References

9Claims

0Family size

Assignee

K.V. Pharmaceutical Company · US

Inventors

Thomas C. Riley · Chesterfield, US
Charles P. Tharp · Belleville, US
Galen G. Lapka · Belleville, US

Key dates

Filing date	Oct 11, 1984
Grant date	Nov 5, 1985
Priority date	—
Expiry date	Oct 11, 2004

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S424/15
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Systems and their methods of preparation and use that release an active agent in a controlled manner for an extended period in a vaginal cavity environment. The systems are capable of delivering the active agent for periods greater than three hours at a predictable rate to a predetermined site, the vaginal cavity.

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