Details for Patent: 6,699,498

Summary for Patent: 6,699,498

Title:	Transdermal therapeutic systems having improved stability and their production
Abstract:	This invention provides for, inter alia, a transdermal therapeutic system comprising at least one therapeutically active substance, which is oxidizable by hydroperoxides, wherein the amount of oxidative degradation of said active substances(s) and the corresponding formation of oxidative degradation products is reduced, which comprises one or more constituents of said transdermal therapeutic system being in contact with said active substance(s), wherein the sum of the peroxide number(s) (PON) of each of said constituents related to their percentage of the whole amount of said constituents as expressed by the formula ##EQU1## where N is the percentage content of the whole amount of said constituents in the TTS, n is the number of said constituents in the TTS, i is the running number PON is the peroxide number of each of the constituents, is not greater than 20.
Inventor(s):	Muller; Walter (Neuwied, DE)
Assignee:	LTS Lohmann Therapie-Systeme AG (Andernach, DE)
Application Number:	09/723,130
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 6,699,498
Patent Claim Types: see list of patent claims	Use; Formulation; Compound;

Drugs Protected by US Patent 6,699,498

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: 6,699,498

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Germany	199 57 401	Nov 29, 1999
Germany	100 54 713	Nov 04, 2000

International Family Members for US Patent 6,699,498

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Argentina	026621
Austria	245972
Australia	2162301