Inventor
LANGDON WILLIAM K
22 patents
Patents
22 patentsUS4261704AApr 14, 1981
Polyoxyalkylene polyamine detergent compositions
BASF WYANDOTTE CORP58 citations96
US4011389AMar 8, 1977
Glycoside polyethers
BASF WYANDOTTE CORP145 citations96
US4281199AJul 28, 1981
Polyalkylene polyamine ether derivatives of polyoxyalkylene compounds
BASF WYANDOTTE CORP36 citations92
US4265774AMay 5, 1981
Oxyalkylated polyglycerols and water-based lubricants prepared therefrom
BASF WYANDOTTE CORP33 citations92
US4183821AJan 15, 1980
Heteric/block polyoxyalkylene compounds as crude oil demulsifiers
BASF WYANDOTTE CORP45 citations92
US4125382ANov 14, 1978
Fuels containing polyoxyalkylene ether demulsifiers
BASF WYANDOTTE CORP43 citations92
US4072704AFeb 7, 1978
Multi-block coupled polyoxyalkylene copolymer surfactants
BASF WYANDOTTE CORP39 citations92
US3931148AJan 6, 1976
Hydroxyalkylamino glycosides and process of preparation
BASF WYANDOTTE CORP33 citations92
US4510306AApr 9, 1985
Method for purifying reaction products containing higher-alkyl glycosides
BASF WYANDOTTE CORP21 citations82
US4189609AFeb 19, 1980
Multi-block coupled polyoxyalkylene copolymer surfactants
BASF WYANDOTTE CORP28 citations82
US4178434ADec 11, 1979
Amine-coupled polyepichlorohydrin and polyamines derived therefrom
BASF WYANDOTTE CORP20 citations82
US4519950AMay 28, 1985
Acetal group-containing non-ionic surfactants
BASF WYANDOTTE CORP9 citations74
US4504418AMar 12, 1985
Non-ionic surface-active agents coupled with carbonates or carboxylic esters
BASF WYANDOTTE CORP14 citations74
US4408084AOct 4, 1983
Non-ionic surfactants containing acetal groups
BASF WYANDOTTE CORP19 citations74
US4353834AOct 12, 1982
Carbonate and carboxylic acid ester group-containing non-ionic surface-active agents
BASF WYANDOTTE CORP14 citations74
US4191820AMar 4, 1980
Process for preparing polyalkylene polyamine polyethers
BASF WYANDOTTE CORP16 citations74
US3954886AMay 4, 1976
Alkali stable polyoxyethylene acetal surfactants
BASF WYANDOTTE CORP13 citations74
US3931337AJan 6, 1976
Multi-block polyacetal copolymer surfactants
BASF WYANDOTTE CORP16 citations74
US4314000AFeb 2, 1982
Fiber lubricants yielding low residues upon oxidation
BASF WYANDOTTE CORP15 citations73
US4287078ASep 1, 1981
Surfactants derived from the reaction product of polyoxyalkylene polyols and polyglycidyl ethers and glycol-based antifreeze using same
BASF WYANDOTTE CORP16 citations67
US3971706AJul 27, 1976
Method of rejuvenating alkali-cell diaphragms
BASF WYANDOTTE CORP4 citations63
US4198464AApr 15, 1980
Fiber lubricants based upon ethylene oxide capped polyethers of tetrahydrofuran and ethylene oxide
BASF WYANDOTTE CORP6 citations62