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Which drugs does patent 6,946,149 protect, and when does it expire?

Patent ► Subscribe protects SUPREP BOWEL PREP KIT and is included in one NDA. There has been one Paragraph IV challenge on Suprep Bowel Prep Kit.

This patent has eighteen patent family members in thirteen countries.

Summary for Patent: ► Subscribe

Title:	Salt solution for colon cleansing
Abstract:	The field of colonic diagnostic and surgical procedures is hampered by the lack of optimal means available to cleanse the colon. A compromise between convenient, distasteful, solid or low volume, hyperosmotic solutions which cause considerable fluid and electrolyte imbalances in patients and large volume, difficult to consume, iso-osmotic solutions has had to be made heretofore. This invention describes a low volume, hyper-osmotic solution consisting of sulfate salts with and with out polyethylene glycol. Unlike prior art, this composition is useful for the cleansing of the bowel and, in lower volumes, as a laxative, without producing clinically significant changes in bodily function.
Inventor(s):	Cleveland; Mark vB. (Duxbury, MA)
Assignee:	Braintree Laboratories, Inc. (Braintree, MA)
Application Number:	10/135,857
Patent Claim Types: see list of patent claims	Composition; Formulation; Use;

Glossary

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Patented / Exclusive Use
Braintree Labs	SUPREP BOWEL PREP KIT	magnesium sulfate; potassium sulfate; sodium sulfate	SOLUTION;ORAL	022372-001	Aug 5, 2010	AA	RX	Yes	Yes	► Subscribe	► Subscribe	Y	GASTROINTESTINAL LAVAGE INDICATED FOR CLEANSING OF THE COLON AS A PREPARATION FOR COLONOSCOPY IN ADULTS

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International Patent Family for Patent: ► Subscribe

Country	Document Number	Estimated Expiration
Slovenia	2233147	► Subscribe
Slovenia	1499331	► Subscribe
Portugal	2292244	► Subscribe
Portugal	2233147	► Subscribe
Portugal	1499331	► Subscribe

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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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