Inventor

Christopher Hallett

Inventor
Hertfordshire, GB

Overview

3→
Patents
1991–2000
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds25%
C09DCoating compositions, e.g. paints, varnishes or lacquers25%
B01DSeparation13%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
Y02TClimate change mitigation technologies related to transportation13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to JOHNSON MATTHEY PLC (1)· patent assignee history
1991Based in Reading, GB· patent location history
2000Patents assigned to BP CHEM INT LTD (2)· patent assignee history
2000Based in Hertfordshire, GB· patent location history
2000Based in Watford, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BP CHEM INT LTD22000
JOHNSON MATTHEY PLC11991
Locations
LocationPatentsSpan
Hertfordshire, GB12000
Watford, GB12000
Reading, GB11991