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Inventor

John Barker

Inventor
Oxfordshire, GB

Overview

4→
Patents
1989–2020
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

C07Dprimary
C07DHeterocyclic compounds50%
A61KPreparations for medical, dental or toiletry purposes25%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
PatentTitleYear
10,717,738Pyrimidinone and its derivatives inhibiting factor XIa20209,732,085'Pyridinone and pyrimidinone derivatives as factor Xia'20175,153,330'Thiapentanamide derivatives'19924,847,386'Process for preparing thiophene derivatives'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1992Patents assigned to SHELL INT RESEARCH (2)· patent assignee history
1989Based in Ruddington, GB· patent location history
1992Based in Nottingham, GB· patent location history
2017–2020Patents assigned to ONO PHARMACEUTICAL CO (2)· patent assignee history
2017–2020Based in Oxfordshire, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ONO PHARMACEUTICAL CO22017–2020
SHELL INT RESEARCH21989–1992
Locations
LocationPatentsSpan
Oxfordshire, GB22017–2020
Nottingham, GB11992
Ruddington, GB11989