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Inventor

James Empfield

Inventor
Wilmington, DE, US

Overview

26→
Patents
1995–2020
Patent span
Human necessities
Primary field (CPC A)

Patents· 26 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Dprimary
C07DHeterocyclic compounds41%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations39%
C07CAcyclic or carbocyclic compounds8%
A61BDiagnosis6%
A61KPreparations for medical, dental or toiletry purposes5%
C07BGeneral methods of organic chemistry2%
PatentTitleYear
10,662,184Benzenesulfonamide compounds and their use as therapeutic agents202010,246,453Benzenesulfonamide compounds and their use as therapeutic agents20198,377,940'Oxadiazole derivatives and their use as metabotropic glutamate receptor potentiators—842'20138,377,939'Oxadiazole derivatives and their use as metabotropic glutamate receptor potentiators 842'20138,153,638'Metabotropic glutamate-receptor-potentiating isoindolones'20128,148,372'Metabotropic glutamate receptor isoxazole ligands and their use as potentiators—286'20127,968,570'Isoindolone compounds and their use as metabotropic glutamate receptor potentiators'20117,888,353'Metabotropic glutamate receptor isoxazole ligands and their use as potentiators'20117,868,008'Substituted isoindolones and their use as metabotropic glutamate receptor potentiators'20117,807,706'Metabotropic glutamate-receptor-potentiating isoindolones'20107,799,792'Metabotropic glutamate receptor oxadiazole ligands and their use as potentiators 841'20107,790,760'Metabotropic glutamate receptor isoxazole ligands and their use as potentiators 286'20107,781,434'Metabotropic glutamate receptor isoxazole ligands and their use as potentiators—286'20107,384,954'4-substituted imidazoles'20087,205,314'Compounds for the treatment of dementia related diseases'20076,737,424'Alpha-substituted pyridazino quinoline compounds'20046,232,313'Pyridazino quinoline compounds'20016,214,826'Pyridazino quinoline compounds'20016,103,721'Heteroaryl-substituted pyridazino quinoline compounds'20005,900,432'Therapeutic N-(4-benzoyl-2-methyl-phenyl)-3,3,3-trifluoro-2-hydroxy-2-methyl-propana mides'19995,837,705'Alpha-substituted pyridazino quinoline compounds'19985,744,471'Pyridazion quinoline compounds'19985,693,639'Therapeutic heterocyclyl amionosulfonyl phenyl compounds'19975,510,386'Aminosulfonylphenyl compounds for treating urinary incontinence'19965,482,969'Certain N(4-benzoyl-2-phenyl)-3- trifluoro-2-hydroxy-propanamide derivatives'19965,411,973'Therapeutic alcohols'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2004Patents assigned to ZENECA LTD (11)· patent assignee history
1995–2004Based in Bear, DE, US· patent location history
2007–2013Patents assigned to ASTRAZENECA AB (13)· patent assignee history
2007–2013Based in Wilmington, DE, US· patent location history
2012–2013Patents assigned to CLAYTON JOSHUA (3)· patent assignee history
2012–2013Patents assigned to EGLE IAN (3)· patent assignee history
2012–2013Patents assigned to EMPFIELD JAMES (3)· patent assignee history
2019–2020Based in Natick, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASTRAZENECA AB132007–2013
ZENECA LTD111995–2004
CLAYTON JOSHUA32012–2013
EGLE IAN32012–2013
EMPFIELD JAMESself32012–2013
Locations
LocationPatentsSpan
Wilmington, Delaware, US132007–2013
Bear, Delaware, US111995–2004
Natick, Massachusetts, US22019–2020