The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 18, 2011
Filed:
May. 23, 2002
Evert Johannes Bunschoten, Heesch, NL;
Herman Jan Tijmen Coelingh Bennink, Driebergen, NL;
Christian Franz Holinka, New York, NY (US);
Evert Johannes Bunschoten, Heesch, NL;
Herman Jan Tijmen Coelingh Bennink, Driebergen, NL;
Christian Franz Holinka, New York, NY (US);
Pantarhei Bioscience B.V., Al Zeist, NL;
Abstract
A method of contraception in mammalian females, which method comprises the parenteral or rectal administration of an estrogenic component and a progestogenic component to a female of childbearing capability in an amount effective to inhibit ovulation, wherein the estrogenic component is selected from the group consisting of substances represented by the following formula (1) in which R, R, R, Rindependently are a hydrogen atom, a hydroxyl group or an alkoxy group with 1-5 carbon atoms; each of R, R, Ris a hydroxyl group; and no more than 3 of R, R, R, Rare hydrogen atoms; precursors capable of liberating a substance according to the aforementioned formula when used in the present method; and mixtures of one or more of the aforementioned substances and/or precursors. Another aspect of the invention concerns a drug delivery system for parenteral or rectal administration that contains the aforementioned estrogenic component and a progestogenic component, said drug delivery system being selected from the group consisting of suppositories, systems for intravaginal delivery, inhalers, nasal sprays and transdermal delivery systems.