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:
Jul. 27, 1999
Filed:
Nov. 10, 1997
Kathleen C Farinas, San Carlos, CA (US);
Yalia Jayalakshmi, Palo Alto, CA (US);
Susanne M Lee, Albany, NY (US);
Pravin L Soni, Sunnyvale, CA (US);
Cygnus Inc., Redwood City, CA (US);
Abstract
The present invention is directed to a stable crystalline form of estradiol suitable for incorporation into pharmaceutical formulations. The invention further provides methods of preparing said crystalline form of estradiol. The invention further provides pharmaceutical formulations comprising said crystalline form of estradiol. The invention further provides a method of treatment of an individual in need of such administration by the transdermal administration of estradiol from a polymeric matrix comprising the crystal structure of estradiol of the present invention.