Inventor

John M. Thomas

Inventor
Cambridge, GB

Overview

8→
Patents
1985–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry33%
C07CAcyclic or carbocyclic compounds29%
C07DHeterocyclic compounds21%
C01BNon-metallic elements8%
C07BGeneral methods of organic chemistry8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1991Patents assigned to BRITISH PETROLEUM CO PLC (4)· patent assignee history
1985–2013Based in Cambridge, GB· patent location history
1986Patents assigned to BRITISH PETROLEUM CO (1)· patent assignee history
2002Patents assigned to HOECHST RES & TECHNOLOGY (1)· patent assignee history
2013–2014Patents assigned to UNIV SOUTHAMPTON (2)· patent assignee history
2013Patents assigned to RAJA ROBERT (1)· patent assignee history
2014Based in Cambridgeshire, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRITISH PETROLEUM CO PLC41985–1991
UNIV SOUTHAMPTON22013–2014
BRITISH PETROLEUM CO11986
HOECHST RES & TECHNOLOGY12002
RAJA ROBERT12013
Locations
LocationPatentsSpan
Cambridge, GB71985–2013
Cambridgeshire, GB12014