Inventor

Terence Colclough

Inventor

Abingdon, GB

Overview

11→

Patents

1978–1998

Patent span

Chemistry

Primary field (CPC C)

Patents· 11 as inventor

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

C10Mprimary

C10MLubricating compositions32%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions29%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium18%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%

C09KMaterials for miscellaneous applications, not provided for elsewhere6%

C10LFuels not otherwise provided for6%

C07DHeterocyclic compounds3%

PatentTitleYear

5,739,089'Dihydrocarbyl dithiophosphates'1998 5,703,262'Process for the preparation of dithiophosphoric acids'1997 5,558,805'Lubricating compositions'1996 5,232,614'Lubricating oil compositions and additives for use therein'1993 5,064,886'Dithiophosphonates, their preparation and use as anti-oxidants'1991 5,013,465'Dithiophosphates'1991 4,900,852'Heavy metal salts of dithiophosphonate compounds'1990 4,867,890'Lubricating oil compositions containing ashless dispersant, zinc dihydrocarbyldithiophosphate, metal detergent and a copper compound'1989 4,859,353'Sulphur-containing borate esters'1989 4,115,287'Lubricating compositions'1978 4,104,179'Lubricating and petroleum fuel oil compositions containing azole polysulfide wear inhibitors'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to EXXON RESEARCH ENGINEERING CO (2)· patent assignee history

1978Based in Oxford, GB· patent location history

1989–1998Patents assigned to EXXON CHEMICAL PATENTS INC (8)· patent assignee history

1989Patents assigned to COLCLOUGH TERENCE (1)· patent assignee history

1989Patents assigned to GIBSON FREDERICK A (1)· patent assignee history

1989Patents assigned to MARSH JOHN F (1)· patent assignee history

1989–1996Based in Abingdon, GB· patent location history

1997–1998Based in Abingdon, VA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EXXON CHEMICAL PATENTS INC	8	1989–1998
EXXON RESEARCH ENGINEERING CO	2	1978
COLCLOUGH TERENCEself	1	1989
GIBSON FREDERICK A	1	1989
MARSH JOHN F	1	1989

Locations

Location	Patents	Span
Abingdon, GB	7	1989–1996
Abingdon, Virginia, US	2	1997–1998
Oxford, GB	2	1978