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US Patent 5248699 - Sertraline polymorph
US Patent Issued on September 28, 1993
Estimated Patent Expiration Date:
August 13, 2012Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
Estimated Patent Expiration Date:
August 13, 2012Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.AbstractThis invention relates to a novel crystalline polymorphic form of sertraline hydrochloride, (1S-cis)-4-(3,4-dichlorophenyl)-1,2,3,4 -tetrahydro-N-methyl-1-naphthalenamine hydrochloride, and to a method for preparing it. | InventorsApplicationNo. 929326 filed on 08/13/1992US Classes:514/647, Amino nitrogen and a ring bonded directly to the same ring and any other amino nitrogen in the compound is bonded directly to one of the rings564/308Polycyclo ring systemField of Search564/308, Polycyclo ring system514/647Amino nitrogen and a ring bonded directly to the same ring and any other amino nitrogen in the compound is bonded directly to one of the ringsExaminersPrimary: Raymond, Richard L.Attorney, Agent or FirmUS Patent References4536518, Antidepressant derivatives of cis-4-phenyl-1,2,3,4-tetrahydro-1-naphthalenamineIssued on: 08/20/1985 Inventor: Welch, Jr. , et al.4556676Antidepressant derivatives of trans-4-phenyl-1,2,3,4-tetrahydro-1-naphthalenamine Issued on: 12/03/1985 Inventor: Welch, Jr. , et al. International ClassesA61K 031/135C07C 211/42 |
