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Inventor

Stephen Geoffrey Warren

Inventor
Royston, GB

Overview

3→
Patents
1992–2006
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%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium25%
C25DProcesses for the electrolytic or electrophoretic production of coatings25%
H05KPrinted circuits25%
PatentTitleYear
7,138,545'Metal salts'20065,886,204'Process for the production of ruthenium (III) acetate solution'19995,102,509'Plating'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to JOHNSON MATTHEY PLC (1)· patent assignee history
1992–1999Based in Royston, GB· patent location history
1999Patents assigned to BP CHEM INT LTD (1)· patent assignee history
2006Patents assigned to AUBIN LTD (1)· patent assignee history
2006Based in Herts, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AUBIN LTD12006
BP CHEM INT LTD11999
JOHNSON MATTHEY PLC11992
Locations
LocationPatentsSpan
Royston, GB21992–1999
Herts, GB12006