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Inventor

Nakyen Choy

Inventor
Carmel, IN, US

Overview

31→
Patents
1996–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 31 as inventor

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

C07Dprimary
C07DHeterocyclic compounds28%
A61KPreparations for medical, dental or toiletry purposes16%
C07CAcyclic or carbocyclic compounds15%
A01NPreservation of bodies of humans or animals or plants or parts thereof11%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations10%
C07KPeptides6%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
Y02ATechnologies for adaptation to climate change4%
C07BGeneral methods of organic chemistry3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry1%
PatentTitleYear
10,919,8645-fluoro-4-imino-3(alkyl/substituted alkyl)-1-(arylsulfonyl)-3,4-dihydropyrimidin-2(1H)-one and processes for their preparation202110,550,083Processes for the preparation of 4-alkoxy-3-hydroxypicolinic acids202010,358,423Processes for the preparation of 4-alkoxy-3-(acyl or alkyl)oxypicolinamdes201910,301,2832-(2,4-difluorophenyl)-1,1-difluoro-1-(5-substituted-pyridin-2-yl)-3-(1h-tetrazol-1-yl)propan-2-ols and processes for their preparation201910,239,817Process for the preparation of (1R,3R)- and (1S,3S)-2,2-dihalo-3-(substituted phenyl)cyclopropanecarboxylic acids201910,219,516Molecules having pesticidal utility, and intermediates, compositions, and processes, related thereto201910,040,764Processes for the preparation of 4-alkoxy-3-(acyl or alkyl)oxypicolinamdes201810,035,772Processes for the preparation of 4-alkoxy-3-(acyl or alkyl)oxypicolinamides20189,988,3652-(2,4-difluorophenyl)-1,1-difluoro-1-(5-substituted-pyridin-2-yl)-3-(1H-tetrazol-1-yl)propan-2-ols and processes for their preparation20189,951,018Process for the preparation of 4-alkoxy-3-hydroxypicolinic acids20189,850,2155-fluoro-4-imino-3-(alkyl/substituted alkyl)-1-(arylsulfonyl)-3,4-dihydropyrimidin-2(1 H)-one and processes for their preparation20179,840,476'5-fluoro-4-imino-3-(alkyl/substituted alkyl)-1-(arylsulfonyl)-3,4-dihydropyrimidin-2(1H)-one and processes for their preparation'20179,795,139'Molecules having pesticidal utility, and intermediates, compositions, and processes, related thereto'20179,795,140'Molecules having pesticidal utility, and intermediates, compositions, and processes, related thereto'20179,781,935'Molecules having pesticidal utility, and intermediates, compositions, and processes, related thereto'20179,718,783'Process for the preparation of 4-alkoxy-3-hydroxypicolinic acids'20179,522,887'Process for the preparation of dibromohydroxypicolinonitrile'20169,481,651'Process for the preparation of 4-alkoxy-3-hydroxypicolinic acids'20169,475,771'Process for the preparation of 4-alkoxy-3-hydroxypicolinic acids'20168,633,321'Synthesis of (4-fluoro-3-piperidin-4-yl-benzyl)-carbamic acid tert-butyl ester and intermediates thereof'20148,497,379'Method and intermediates for the preparation of 2,2,2-trifluoro-N-(4-fluoro-3-pyridin-4-yl-benzyl)-acetamide hydrochloride'20138,217,178'[4-(5-aminomethyl-2-fluoro-phenyl)-piperidin-1-yl]-[7-flouro-1-(2-methoxy-ethyl)-4-trifluorom as an inhibitor of mast cell tryptase'20127,968,736'Analogs of discodermolide and dictyostatin-1, intermediates therefor and methods of synthesis thereof'20117,122,686'Analogs of discodermolide and dictyostatin-1, intermediates therefor and methods of synthesis thereof'20065,773,468'Irreversible HIV protease inhibitor having an anti-aids activity and process for the preparation thereof'19985,763,631'Irreversible HIV protease inhibitors, intermediates, compositions and processes for the preparation thereof'19985,744,621'Irreversible HIV protease inhibitors, intermediates, compositions and processes for the preparation thereof'19985,696,134'Irreversible HIV protease inhibitors, intermediates, compositions and processes for the preparation thereof'19975,679,687'Irreversible HIV protease inhibitors, compositions containing same and process for the preparation thereof'19975,670,517'Irreversible HIV protease inhibitors, compositions containing same and process for the preparation thereof'19975,587,388'Irreversible HIV protease inhibitors, intermediates, compositions and processes for the preparation thereof'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1998Patents assigned to LUCKY LTD (3)· patent assignee history
1996–1998Based in Daejeon, KR· patent location history
1997–1998Patents assigned to LG CHEMICAL LTD (4)· patent assignee history
2006–2014Based in Belle Mead, NJ, US· patent location history
2012–2014Patents assigned to CHOY NAKYEN (3)· patent assignee history
2012Based in Bridgewater, NJ, US· patent location history
2016–2020Patents assigned to DOW AGROSCIENCES LLC (15)· patent assignee history
2016–2021Based in Carmel, IN, US· patent location history
2017–2021Patents assigned to ADAMA MAKHTESHIM LTD (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW AGROSCIENCES LLC152016–2020
LG CHEMICAL LTD41997–1998
ADAMA MAKHTESHIM LTD32017–2021
CHOY NAKYENself32012–2014
LUCKY LTD31996–1998
Locations
LocationPatentsSpan
Carmel, IN, US192016–2021
Daejeon, KR71996–1998
Belle Mead, New Jersey, US42006–2014
Bridgewater, New Jersey, US12012