Inventor

David S. Thomson

Inventor
Macclesfield, GB

Overview

14→
Patents
1978–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 14 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations34%
C07CAcyclic or carbocyclic compounds19%
C07DHeterocyclic compounds16%
C07HSugars9%
G01SRadio direction-finding6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
A61KPreparations for medical, dental or toiletry purposes3%
G01CMeasuring distances, levels or bearings3%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1983Patents assigned to ICI LTD (3)· patent assignee history
1978–1984Based in Macclesfield, GB· patent location history
1984–1988Patents assigned to ICI PLC (5)· patent assignee history
1985–1988Based in Holmes Chapel, GB· patent location history
1994–2000Patents assigned to GREENWICH PHARMA (3)· patent assignee history
1994–1995Based in Bluebell, PA, US· patent location history
2000Based in Newbury Park, CA, US· patent location history
2009Patents assigned to CALIHMAN ADAM E (1)· patent assignee history
2009Patents assigned to RIEL RYAN D (1)· patent assignee history
2009–2019Based in Boulder, CO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ICI PLC51984–1988
GREENWICH PHARMA31994–2000
ICI LTD31978–1983
CALIHMAN ADAM E12009
RIEL RYAN D12009
Locations
LocationPatentsSpan
Macclesfield, GB51978–1984
Holmes Chapel, GB41985–1988
Boulder, CO, US22009–2019
Bluebell, Pennsylvania, US21994–1995
Newbury Park, California, US12000