Inventor · disambiguated record
William K. Langdon
Also filed as: CAMP RONALD L · LANGDON WILLIAM K · LANGDON WILLIAM KEITH
27 granted patents·740 citations·filing 1974–1983
97Inventor score
Files withBASF WYANDOTTE CORP27
Top patents by PatentIndex Score
27 records- 0199US4011389AGlycoside polyethersBASF WYANDOTTE CORP·Filed 1975·Granted Mar 8, 1977·145 cites·7 claims
- 0292US4261704APolyoxyalkylene polyamine detergent compositionsBASF WYANDOTTE CORP·Filed 1979·Granted Apr 14, 1981·58 cites·15 claims
- 0391US4125382AFuels containing polyoxyalkylene ether demulsifiersBASF WYANDOTTE CORP·Filed 1977·Granted Nov 14, 1978·43 cites·20 claims
- 0490US3931148AHydroxyalkylamino glycosides and process of preparationBASF WYANDOTTE CORP·Filed 1974·Granted Jan 6, 1976·33 cites·12 claims
- 0589US4183821AHeteric/block polyoxyalkylene compounds as crude oil demulsifiersBASF WYANDOTTE CORP·Filed 1978·Granted Jan 15, 1980·45 cites·17 claims
- 0688US4281199APolyalkylene polyamine ether derivatives of polyoxyalkylene compoundsBASF WYANDOTTE CORP·Filed 1979·Granted Jul 28, 1981·36 cites·9 claims
- 0788US4072704AMulti-block coupled polyoxyalkylene copolymer surfactantsBASF WYANDOTTE CORP·Filed 1976·Granted Feb 7, 1978·39 cites·2 claims
- 0887US4265774AOxyalkylated polyglycerols and water-based lubricants prepared therefromBASF WYANDOTTE CORP·Filed 1976·Granted May 5, 1981·33 cites·4 claims
- 0982US4510306AMethod for purifying reaction products containing higher-alkyl glycosidesBASF WYANDOTTE CORP·Filed 1983·Granted Apr 9, 1985·21 cites·2 claims
- 1082US4189609AMulti-block coupled polyoxyalkylene copolymer surfactantsBASF WYANDOTTE CORP·Filed 1977·Granted Feb 19, 1980·28 cites·2 claims
- 1181US4086279ANonionic surfactantsBASF WYANDOTTE CORP·Filed 1976·Granted Apr 25, 1978·34 cites·2 claims
- 1280US4061684AHighly branched polyether polyols of high molecular weightBASF WYANDOTTE CORP·Filed 1976·Granted Dec 6, 1977·25 cites·5 claims
- 1379US4504418ANon-ionic surface-active agents coupled with carbonates or carboxylic estersBASF WYANDOTTE CORP·Filed 1981·Granted Mar 12, 1985·14 cites·9 claims
- 1476US4178434AAmine-coupled polyepichlorohydrin and polyamines derived therefromBASF WYANDOTTE CORP·Filed 1978·Granted Dec 11, 1979·20 cites·13 claims
- 1572US3931337AMulti-block polyacetal copolymer surfactantsBASF WYANDOTTE CORP·Filed 1974·Granted Jan 6, 1976·16 cites·2 claims
- 1671US4191820AProcess for preparing polyalkylene polyamine polyethersBASF WYANDOTTE CORP·Filed 1978·Granted Mar 4, 1980·16 cites·7 claims
- 1770US4408084ANon-ionic surfactants containing acetal groupsBASF WYANDOTTE CORP·Filed 1981·Granted Oct 4, 1983·19 cites·7 claims
- 1867US4314000AFiber lubricants yielding low residues upon oxidationBASF WYANDOTTE CORP·Filed 1980·Granted Feb 2, 1982·15 cites·23 claims
- 1967US4077894AGlycol antifreeze mixturesBASF WYANDOTTE CORP·Filed 1976·Granted Mar 7, 1978·19 cites·10 claims
- 2057US3954886AAlkali stable polyoxyethylene acetal surfactantsBASF WYANDOTTE CORP·Filed 1974·Granted May 4, 1976·13 cites·6 claims
- 2155US4353834ACarbonate and carboxylic acid ester group-containing non-ionic surface-active agentsBASF WYANDOTTE CORP·Filed 1981·Granted Oct 12, 1982·14 cites·10 claims
- 2253US4287078ASurfactants derived from the reaction product of polyoxyalkylene polyols and polyglycidyl ethers and glycol-based antifreeze using sameBASF WYANDOTTE CORP·Filed 1980·Granted Sep 1, 1981·16 cites·18 claims
- 2352US4519950AAcetal group-containing non-ionic surfactantsBASF WYANDOTTE CORP·Filed 1981·Granted May 28, 1985·9 cites·7 claims
- 2452US4198464AFiber lubricants based upon ethylene oxide capped polyethers of tetrahydrofuran and ethylene oxideBASF WYANDOTTE CORP·Filed 1978·Granted Apr 15, 1980·6 cites·7 claims
- 2550US4113785APolyether polyols and method of preparing sameBASF WYANDOTTE CORP·Filed 1976·Granted Sep 12, 1978·10 cites·10 claims
- 2647US4077895AGlycol antifreeze mixturesBASF WYANDOTTE CORP·Filed 1977·Granted Mar 7, 1978·9 cites·6 claims
- 2743US3971706AMethod of rejuvenating alkali-cell diaphragmsBASF WYANDOTTE CORP·Filed 1975·Granted Jul 27, 1976·4 cites·6 claims
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