Inventor

Philip K. G. Hodgson

Inventor

Walton-on-Thames, GB

Overview

1985–2002

Patent span

Chemistry

Primary field (CPC C)

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

C07Cprimary

C07CAcyclic or carbocyclic compounds9%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%

C09KMaterials for miscellaneous applications, not provided for elsewhere9%

C10GCracking hydrocarbon oils9%

C10LFuels not otherwise provided for9%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%

C07DHeterocyclic compounds5%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%

C08JWorking-up5%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1985–1990Patents assigned to BRITISH PETROLEUM CO PLC (4)· patent assignee history

1985Based in Reading, GB· patent location history

1989–2002Based in Walton-on-Thames, GB· patent location history

1994–2002Patents assigned to BP CHEM INT LTD (7)· patent assignee history

1997–1998Based in Surrey, GB· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BP CHEM INT LTD	7	1994–2002
BRITISH PETROLEUM CO PLC	4	1985–1990

Locations