Inventor

David N. Hardern

Inventor
Loughborough, GB

Overview

17→
Patents
1976–2007
Patent span
Chemistry
Primary field (CPC C)

Patents· 17 as inventor

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

C07Dprimary
C07DHeterocyclic compounds39%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations25%
C07CAcyclic or carbocyclic compounds17%
A61KPreparations for medical, dental or toiletry purposes14%
C07HSugars6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1984Patents assigned to FISONS LTD (4)· patent assignee history
1976–1994Based in Loughborough, GB· patent location history
1977–2007Based in Sutton Bonington, GB· patent location history
1985–1995Patents assigned to FISONS PLC (7)· patent assignee history
1993–1995Based in Leicestershire, GB· patent location history
1999Patents assigned to ASTRA PHARMAEUTICALS LTD (1)· patent assignee history
2000–2003Patents assigned to ASTRAZENECA UK LTD (3)· patent assignee history
2000Based in Leics, GB· patent location history
2005–2007Patents assigned to ASTRAZENECA AB (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FISONS PLC71985–1995
FISONS LTD41976–1984
ASTRAZENECA UK LTD32000–2003
ASTRAZENECA AB22005–2007
ASTRA PHARMAEUTICALS LTD11999
Locations
LocationPatentsSpan
Loughborough, GB81976–1994
Sutton Bonington, GB61977–2007
Leicestershire, GB21993–1995
Leics, GB12000