Details for Patent: 9,643,929

Which drugs does patent 9,643,929 protect, and when does it expire?

Patent 9,643,929 protects APTIOM and is included in one NDA.

This patent has twenty-seven patent family members in twenty-one countries.

Summary for Patent: 9,643,929

Patent landscape, scope, and claims:

Title:	Asymmetric catalytic reduction of oxcarbazepine
Abstract:	A process for preparing (S)-(+)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamide or (R)-(-)-10,11-dihydro-10-hydroxy-5H-dibenz/b,f/azepine-5-carboxamide, by reduction of oxcarbazepine in the presence of a catalyst and a hydride source is disclosed. The catalyst is prepared from a combination of [RuX.sub.2(L)].sub.2 wherein X is chlorine, bromine or iodine, and L is an aryl or aryl-aliphatic ligand, with a ligand of formula (A) or formula (B): ##STR00001## wherein R.sup.1 is chosen from C.sub.1-6 alkoxy and C.sub.1-6 alkyl, n is a number from 0 to 5, and when n is a number from 2 to 5, R.sup.1 can be the same or different, and R.sup.2 is alkyl, substituted alkyl, aryl, substituted aryl, alkaryl or substituted alkaryl. The hydride source is either NR.sup.3R.sup.4R.sup.5 and formic acid, [R.sup.3R.sup.4R.sup.5NH][OOCH] and optionally formic acid, or [M][OOCH].sub.x and formic acid, wherein R.sup.3, R.sup.4 and R.sup.5 are C.sub.1-6 alkyl, M is an alkali metal or alkaline earth metal and x is 1 or 2. A pH from 6.5 to 8 is maintained during the process.
Inventor(s):	Learmonth; David Alexander (Alfena, PT), Grasa; Gabriela Alexandra (Mantua, NJ), Zanotti-Gerosa; Antonio (Cambridge, GB)
Assignee:	BIAL--PORTELA & CA, S.A. (S. Mamede do Coronado, PT)
Application Number:	14/944,546
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 9,643,929
Patent Claim Types: see list of patent claims	Composition; Compound;

Drugs Protected by US Patent 9,643,929

Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
Sumitomo Pharma Am	APTIOM	eslicarbazepine acetate	TABLET;ORAL	022416-001	Nov 8, 2013	AB	RX	Yes	No			Y
Sumitomo Pharma Am	APTIOM	eslicarbazepine acetate	TABLET;ORAL	022416-002	Nov 8, 2013	AB	RX	Yes	No			Y
Sumitomo Pharma Am	APTIOM	eslicarbazepine acetate	TABLET;ORAL	022416-003	Nov 8, 2013	AB	RX	Yes	No			Y
Sumitomo Pharma Am	APTIOM	eslicarbazepine acetate	TABLET;ORAL	022416-004	Nov 8, 2013	AB	RX	Yes	Yes			Y

Foreign Priority and PCT Information for Patent: 9,643,929

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
United Kingdom	0515690.6	Jul 29, 2005

International Family Members for US Patent 9,643,929

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	1915346		C01915346/01	Switzerland
Argentina	055917
Austria	E520665
Australia	2006273874