Details for Patent: 7,301,023

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Summary for Patent: 7,301,023

Patent landscape, scope, and claims:

Title:	Chiral salt resolution
Abstract:	A method for resolving enantiomers of a compound containing the structure of the forula: ##STR00001## wherein R.sup.4 or R.sup.5 may contan one or more asymmetric centers, by mixing a racemic mixture of enantiomers of a compound, containing the structure of said formula; in a solvent, with a resolving compound having a defined sterospecificity, to form a solution and with said resolving agent being capable of binding with at least one but not all of said enantiomers to form a precipitate, containing said at least one of said enantiomers in sterospecific form and collecting either the precipitate and purifying it or collecting the solution with contained other of said enantiomers and recrystallizing the enantiomer contained in said solution.
Inventor(s):	Flanagan; Mark E. (Gales Ferry, CT), Munchhof; Michael J. (Salem, CT)
Assignee:	Pfizer Inc. (New York, NY)
Application Number:	10/154,699
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 7,301,023
Patent Claim Types: see list of patent claims	Use; Formulation;
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Drugs Protected by US Patent 7,301,023

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	1666481	⤷ Subscribe	300887	Netherlands	⤷ Subscribe
European Patent Office	1666481	⤷ Subscribe	CA 2017 00035	Denmark	⤷ Subscribe
European Patent Office	1666481	⤷ Subscribe	PA2017025	Lithuania	⤷ Subscribe
European Patent Office	1666481	⤷ Subscribe	122017000062	Germany	⤷ Subscribe
European Patent Office	1666481	⤷ Subscribe	LUC00031	Luxembourg	⤷ Subscribe
European Patent Office	1666481	⤷ Subscribe	2017C/032	Belgium	⤷ Subscribe
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