Inventor

Kirk E. Davis

Inventor

Euclid, OH, US

Overview

31→

Patents

1977–2004

Patent span

Chemistry

Primary field (CPC C)

Patents· 31 as inventor

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

C10Mprimary

C10MLubricating compositions29%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions24%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%

C10LFuels not otherwise provided for6%

C07GCompounds of unknown constitution5%

F02BInternal-combustion piston engines5%

F02FCylinders, pistons or casings, for combustion engines5%

Y02PClimate change mitigation technologies in the production or processing of goods5%

C07DHeterocyclic compounds4%

C07CAcyclic or carbocyclic compounds3%

PatentTitleYear

6,794,428'Carbon black coupler'2004 5,614,480'Lubricating compositions and concentrates'1997 5,562,864'Lubricating compositions and concentrates'1996 5,490,945'Lubricating compositions and concentrates'1996 5,486,300'Lubricating compositions'1996 5,171,461'Sulfur and copper-containing lubricant compositions'1992 5,000,034'Short-term engine oil sludge test'1991 4,952,328'Lubricating oil compositions'1990 4,744,920'Borated overbased material'1988 4,740,321'Two-cycle engine oils containing sulfurized alkyl phenols'1988 4,724,091'Alkyl phenol and amino phenol compositions and two-cycle engine oils and fuels containing same'1988 4,708,809'Two-cycle engine oils containing alkyl phenols'1987 4,663,063'Alkyl phenol and amino compound compositions and two-cycle engine oils and fuels containing same'1987 4,623,473'Sulfur-containing compositions, and additive concentrates and lubricating oils containing same'1986 4,612,129'Sulfur-containing compositions, and additive concentrates and lubricating oils containing same'1986 4,584,115'Method of preparing boron-containing compositions useful as lubricant additives'1986 4,582,618'Low phosphorus- and sulfur-containing lubricating oils'1986 4,425,138'Two-cycle fuel compositions containing amino phenols'1984 4,347,148'Full and lubricant compositions containing nitro phenols'1982 4,344,854'Sulfurized compositions'1982 4,246,126'2,5-Dimercapto-1,3,4-thiadiazole derivatives and lubricants containing them'1981 4,234,435'Novel carboxylic acid acylating agents, derivatives thereof, concentrate and lubricant compositions containing the same, and processes for their preparation'1980 4,231,757'Nitro phenol-amine condensates, methods of making same, fuels and additive concentrates containing them'1980 4,191,659'Sulfurized compositions'1980 4,161,475'Sulfurized Mannich condensation products and lubricants containing same'1979 4,140,643'Nitrogen- and sulfur-containing lubricant additive compositions of improved compatibility'1979 4,136,043'Homogeneous compositions prepared from dimercaptothiadiazoles'1979 4,119,549'Sulfurized compositions'1978 4,119,550'Sulfurized compositions'1978 4,090,854'Sulfurized Mannich condensation products and fuel compositions containing same'1978 4,002,686'Method of preparing primary aliphatic mercaptans'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–2004Patents assigned to LUBRIZOL CORP (31)· patent assignee history

1977–1992Based in Euclid, OH, US· patent location history

1996Based in Chester Township, OH, US· patent location history

1997Based in Russell Township, Geauga County, OH, US· patent location history

2004Based in Chesterland, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
LUBRIZOL CORP	31	1977–2004

Locations

Location	Patents	Span
Euclid, OH, US	26	1977–1992
Chester Township, OH, US	3	1996
Chesterland, OH, US	1	2004
Russell Township, Geauga County, OH, US	1	1997