Details for Patent: 3,957,982

Summary for Patent: 3,957,982

Title:	Method for contraception by the application of combination-type sequential preparations
Abstract:	Method of contraception in which an estrogen and a progestagen are orally administered daily for 21 days, the first 4-6 days at a low contraceptively effective daily dose, the next 4-6 days at a daily estrogen dose 1-2 times and a daily progestrogen dose 1-1.5 times that of the first 4-6 days, and for the next 9-11 days at a daily estrogen dose from that of the first 4-6 days to that of the next 4-6 days and a daily progestogen dose higher than either prior daily dose, up to 3 times that of the initial dose, followed by 7 days without hormone administration.
Inventor(s):	Lachnit-Fixson; Ursula (Berlin, DT), Pitchford; Alan G. (High Hurstwood, near Uckfield, EN)
Assignee:	Schering Aktiengesellschaft (Berlin & Bergkamen, DT)
Application Number:	05/535,575
Patent Claim Types: see list of patent claims	Use; Delivery; Composition; Dosage form;

Drugs Protected by US Patent 3,957,982

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate

Foreign Priority and PCT Information for Patent: 3,957,982

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
	2365103	Dec 21, 1973

International Family Members for US Patent 3,957,982

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Australia	7670874
Belgium	823689
Canada	1029303
Cyprus	1065
Germany	2365103