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Last Updated: March 19, 2024

Details for Patent: 4,921,843


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Summary for Patent: 4,921,843
Title: Contraception system and method
Abstract:A method of contraception is disclosed which comprises a two-stage protocol. In the first stage, an estrogenic compound in a first composition is administered daily as the sole contraceptively active substance to a human female from about Day 2 to about Day 7 of her menstrual cycle, where Day 1 is the first day of menses. The second stage of the protocol occurs immediately thereafter during which at least one follow-up composition containing a progestin is administered daily to the same human female. The follow-up composition can contain a progestin as the sole contraceptively active ingredient, or can contain a combination of an estrogenic compound with a progestin in different weight ratios. A drug delivery system containing daily dosage units is also described.
Inventor(s): Pasquale; Samuel A. (Basking Ridge, NJ)
Assignee:
Application Number:07/260,447
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form; Delivery; Compound;

Drugs Protected by US Patent 4,921,843

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

International Family Members for US Patent 4,921,843

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 175353 ⤷  Try a Trial
Australia 4497089 ⤷  Try a Trial
Australia 620940 ⤷  Try a Trial
Canada 2001144 ⤷  Try a Trial
Germany 68928897 ⤷  Try a Trial
European Patent Office 0397823 ⤷  Try a Trial
Finland 103951 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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