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Generated: December 12, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,544,554

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Summary for Patent: 4,544,554

Title: Triphasic oral contraceptive
Abstract:A method of contraception in which an estrogen and a progestogen are administered daily in a three phase sequence for 21 days is disclosed. In the first phase a combination of an estrogen and a progestogen in a low but contraceptively effective daily dosage corresponding in estrogenic activity to 0.02-0.05 mg of 17.alpha.-ethinylestradiol and in progestogenic activity to 0.065-0.75 mg of norethindrone is administered for 5-8 days; followed by the administering of the same dosage of estrogen and a progestogen corresponding in progestogenic activity to 0.25-1.0 mg of norethindrone for 7-11 days; followed by the administering of the same dosage of estrogen and a progestogen corresponding in progestogenic activity to 0.35-2.0 mg of norethindrone for 3-7 days; followed by 6-8 days without administering either an estrogen or a progestogen.
Inventor(s): Pasquale; Samuel A. (Basking Ridge, NJ)
Assignee: Ortho Pharmaceutical Corporation (Raritan, NJ)
Application Number:06/607,038
Patent Claim Types:
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Use; Delivery;

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International Patent Family for Patent: 4,544,554

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada1226221► Subscribe
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