Inventor · disambiguated record
Karl P. Kammann, Jr.
Also filed as: KAMMANN JR KARL P
8 granted patents·95 citations·filing 1980–1990
87Inventor score
Files withFERRO CORP8
Top patents by PatentIndex Score
8 records- 0177US4921624AModified fatty amides and sulfurized fatty oils as lubricant additivesFERRO CORP·Filed 1988·Granted May 1, 1990·28 cites·17 claims
- 0273US4380498ASulfurized, transesterified oil additives and their use in a lubricating oil and a fuelFERRO CORP·Filed 1981·Granted Apr 19, 1983·12 cites·41 claims
- 0368US4380499ASulfurized fatty oil additives and their use in a lubricating oil and a fuelFERRO CORP·Filed 1981·Granted Apr 19, 1983·19 cites·35 claims
- 0458US4485044ASulfurized esters of polycarboxylic acidsFERRO CORP·Filed 1982·Granted Nov 27, 1984·10 cites·5 claims
- 0546US4683081AAqueous corrosion inhibitor compositions of a half-amide and a dicarboxylic acid amine saltFERRO CORP·Filed 1986·Granted Jul 28, 1987·9 cites·16 claims
- 0642US4601838AWater-soluble chlorinated fatty ester additivesFERRO CORP·Filed 1985·Granted Jul 22, 1986·8 cites·10 claims
- 0741US5080813ALubricant composition containing dialkyldithiophosphoric acid neutralized with alkoxylated aliphatic aminesFERRO CORP·Filed 1990·Granted Jan 14, 1992·6 cites·19 claims
- 0827US4331564ACatalyzing the sulfurization of olefins by tertiary phosphines, and an oil based material containing an additive amount of a sulfurized olefin so producedFERRO CORP·Filed 1980·Granted May 25, 1982·3 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →