Details for Patent: 6,423,722

Summary for Patent: 6,423,722

Title:	Crystalline macrolides and process for their preparation
Abstract:	33-Epichloro-33-desoxyascomycin of formula I ##STR1## and various tautomeric or forms thereof, in crystalline form, such as Form A and Form B. Their preparation involves appropriately converting amorphous compound of formula I, or compound of formula I in other than Form A, or compound of formula I in other than Form B, respectively, from a solution thereof under crystallization-inducing conditions or conditions inducing preferential crystallization of Form A or B, respectively. Such crystals are particularly indicated for use in the preparation of topical galenical forms of the compound for pharmaceutical use, e.g. creams, emulsions and ointments.
Inventor(s):	Dosenbach; Cornelia (Efringen-Kirchen, DE), Grassberger; Maximilian (Vienna, AT), Hartmann; Otto (Basel, CH), Horvath; Amarylla (Vienna, AT), Mutz; Jean-Paul (Blotzheim, FR), Penn; Gerhard (Oberwil, CH), Pfeffer; Sabine (Weil, DE), Wieckhusen; Dierk (Binzen, DE)
Assignee:	Novartis AG (Basel, CH)
Application Number:	09/690,404
Patent Claim Types: see list of patent claims	Compound; Process; Composition; Use;

Drugs Protected by US Patent 6,423,722

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: 6,423,722

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
United Kingdom	9713730	Jun 30, 1997

International Family Members for US Patent 6,423,722

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Argentina	017754
Austria	287410
Australia	739211
Australia	8540998