Hsia; Richard

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hsia; Richard.The latest application filed is for "maleate salts of 6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-- dihydro-5h-pyrrolo[3,4-b]pyrazine".

Company Profile

0.15.16

Hsia; Richard - Boston MA
Hsia; Richard - Southborough MA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Coated tablets of eszopiclone Grant 9,114,086 - Hsia , et al. August 25, 2	2015-08-25
MALEATE SALTS OF 6-(5-CHLORO-2-PYRIDYL)-5-[(4-METHYL-1-PIPERAZINYL)CARBONYLOXY]-7-OXO-6,7-- DIHYDRO-5H-PYRROLO[3,4-b]PYRAZINE App 20150203501 - WILKINSON; H. Scott ; et al.	2015-07-23
Method of decreasing the bitterness of a pharmaceutical dosage form containing zopiclone Grant 8,889,686 - Wilkinson , et al. November 18, 2	2014-11-18
Method for treating a sleep disorder with eszopiclone maleate Grant 8,889,685 - Wilkinson , et al. November 18, 2	2014-11-18
Coated Tablets Of Eszopiclone App 20140271858 - HSIA; Richard ; et al.	2014-09-18
Method for treating anxiety with a dosage form of besylate salts of zopiclone or eszopiclone Grant 8,809,332 - Hsia , et al. August 19, 2	2014-08-19
L-malate Salts Of 6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-- Dihydro-5h-pyrrolo[3,4-b]pyrazine App 20130296565 - WILKINSON; H. Scott ; et al.	2013-11-07
Besylate Salts of 6-(5-Chloro-2-Pyridyl)-5-[(4-Methyl-1-Piperazinyl)Carbonyloxy]-7-oxo-6,7-- dihydro-5H-Pyrrolo[3,4-b]Pyrazine App 20130289039 - Hsia; Richard ; et al.	2013-10-31
MALEATE SALTS OF 6-(5-CHLORO-2-PYRIDYL)-5-[(4-METHYL-1-PIPERAZINYL)CARBONYLOXY]-7-OXO-6,7-- DIHYDRO-5H-PYRROLO[3,4-b]PYRAZINE App 20130289040 - WILKINSON; H. Scott ; et al.	2013-10-31
Method for treating a sleep disorder with a dosage form of a zopiclone or eszopiclone L-malate salt Grant 8,541,416 - Wilkinson , et al. September 24, 2	2013-09-24
Method for treating a sleep disorder with a dosage form of besylate salts of zopiclone or eszopiclone Grant 8,497,267 - Hsia , et al. July 30, 2	2013-07-30
Method for providing blood levels of eszopiclone with maleate salts Grant 8,497,268 - Wilkinson , et al. July 30, 2	2013-07-30
MALEATE SALTS OF 6-(5-CHLORO-2-PYRIDYL)-5-[(4-METHYL-1-PIPERAZINYL)CARBONYLOXY]-7-OXO-6,7-- DIHYDRO-5H-PYRROLO[3,4-b]PYRAZINE App 20120238580 - Wilkinson; H. Scott ; et al.	2012-09-20
L-malate salts of 6-(5-chloro-2-Pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-Oxo-6,7-- dihydro-5H-pyrrolo[3,4-b]pyrazine Grant 8,269,005 - Wilkinson , et al. September 18, 2	2012-09-18
Maleate salts of 6-(5-chloro-2-Pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-- dihydro-5H-pyrrolo[3,4-b]pyrazine Grant 8,268,832 - Wilkinson , et al. September 18, 2	2012-09-18
L-malate Salts Of 6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-- Dihydro-5h-pyrrolo[3,4-b]pyrazine App 20120220597 - WILKINSON; H. Scott ; et al.	2012-08-30
Besylate Salts of 6-(5-Chloro-2-Pyridyl)-5-[(4 Methyl-1-Piperazinyl)Carbonyloxy]-7-oxo-6, 7-dihydro-5H-Pyrrolo[3,4-b]Pyrazine App 20120220598 - HSIA; Richard ; et al.	2012-08-30
Maleate salts of 6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-- dihydro-5H-pyrrolo[3,4-b]pyrazine Grant 8,212,036 - Wilkinson , et al. July 3, 2	2012-07-03
L-malate salts of 6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-- dihydro-5H-pyrrolo[3,4-b]pyrazine Grant 8,198,277 - Wilkinson , et al. June 12, 2	2012-06-12
Besylate salts of 6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-oxo-6,7-- dihydro-5H-pyrrolo[3,4-b]pyrazine Grant 8,198,278 - Hsia , et al. June 12, 2	2012-06-12
Salts Of 6-(5-chloro-2-pyridyl)-5-[(4-methyl-1-piperazinyl)carbonyloxy]-7-- Oxo-6,7-dihy-dro-5h-pyrrolo[3,4-b]pyrazine App 20110053945 - Wilkinson; H. Scott ; et al.	2011-03-03
PH INDEPENDENT FORMULATIONS OF 6-(5-CHLORO-2-PYRIDYL)-5-[(4-METHYL-1-PIPERAZINYL)CARBONYLOXY]-7-OXO-6,7-- DIHYDRO-5H-PYRROLO[3,4-b]PYRAZINE App 20110009416 - HSIA; Richard ; et al.	2011-01-13
Coated Tablets Of 6-(5-Chloro-2-Pyridyl)-5-[(4-Methyl-1-Piperazinyl)Carbonyloxy]-7-Oxo-6,7-- Dihydro-5H-Pyrrolo[3,4-b]Pyrazine And Methods For Measuring Effectiveness Of Coating App 20100221338 - Hsia; Richard ; et al.	2010-09-02
L-Malate Salts of 6-(5-Chloro-2-Pyridyl)-5-[(4-Methyl-1-Piperazinyl)Carbonyloxy]-7-Oxo-6,7-- Dihydro-5H-Pyrrolo[3,4-b]Pyrazine App 20100009994 - Wilkinson; H. Scott ; et al.	2010-01-14
Maleate Salts of 6-(5-Chloro-2-Pyridyl)-5-[(4-Methyl-1-Piperazinyl)Carbonyloxy]-7-oxo-6,7-- dihydro-5H-Pyrrolo[3,4-b]Pyrazine App 20100009995 - Wilkinson; H. Scott ; et al.	2010-01-14
Maleate Salts of 6-(5-Chloro-2-Pyridyl)-5-[(4-Methyl-1-Piperazinyl)Carbonyloxy]-7-oxo-6,7-- dihydro-5H-Pyrrolo[3,4-b]Pyrazine App 20090215784 - Wilkinson; H. Scott ; et al.	2009-08-27
Besylate Salts of 6-(5-Chloro-2-Pyridyl)-5-[(4-Methyl-1-Piperazinyl)Carbonyloxy]-7-oxo-6,7-- dihydro-5H-Pyrrolo[3,4-b]Pyrazine App 20090209545 - Hsia; Richard ; et al.	2009-08-20
L-Malate Salts of 6-(5-Chloro-2-Pyridyl)-5-[(4-Methyl-1-Piperazinyl)Carbonyloxy]-7-Oxo-6,7-- Dihydro-5H-Pyrrolo[3,4-b]Pyrazine App 20090209546 - Wilkinson; H. Scott ; et al.	2009-08-20

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