Assignee
CHEMED CORP
45 patents
Top patents by PatentIndex Score
US4098720AJul 4, 1978
Corrosion inhibition
CHEMED CORP60 citations96
US4067690AJan 10, 1978
Boiler water treatment
CHEMED CORP67 citations95
US4306991ADec 22, 1981
Scale inhibition
CHEMED CORP33 citations92
US4255259AMar 10, 1981
Scale inhibition
CHEMED CORP49 citations92
US4719083AJan 12, 1988
Composition useful as corrosion inhibitor, anti-scalant and continuous biocide for water cooling towers and method of use
CHEMED CORP41 citations91
US4111679ASep 5, 1978
Polyquaternary compounds for the control of microbiological growth
CHEMED CORP59 citations91
US3935125AJan 27, 1976
Method and composition for inhibiting corrosion in aqueous systems
CHEMED CORP46 citations91
US4134959AJan 16, 1979
Azole-phosphate corrosion inhibiting composition and method
CHEMED CORP50 citations90
US4101441AJul 18, 1978
Composition and method of inhibiting corrosion
CHEMED CORP37 citations90
US4066398AJan 3, 1978
Corrosion inhibition
CHEMED CORP53 citations90
US4353745AOct 12, 1982
Cleaner for anti-graffiti system
CHEMED CORP50 citations89
US4242216ADec 30, 1980
Stabilized dichlorodimethyl hydantoin
CHEMED CORP44 citations89
US4222131ASep 16, 1980
Hook type fowler for hospital stretchers
CHEMED CORP51 citations89
US4147650AApr 3, 1979
Slurried detergent and method
CHEMED CORP72 citations89
US4048066ASep 13, 1977
Method of inhibiting scale
CHEMED CORP41 citations88
US4228048AOct 14, 1980
Foam cleaner for food plants
CHEMED CORP53 citations87
US4088600AMay 9, 1978
Demulsification using cationic starches of the quaternary ammonium type
CHEMED CORP37 citations86
US4681696AJul 21, 1987
Solid stabilized active halogen-containing detergent compositions and methods
CHEMED CORP44 citations85
US4278635AJul 14, 1981
Method for deoxygenation of water
CHEMED CORP60 citations85
US4215004AJul 29, 1980
Slurried laundry detergent
CHEMED CORP33 citations83
US4155657AMay 22, 1979
Continuous mixer for preparing emulsions
CHEMED CORP37 citations81
US4202796AMay 13, 1980
Anti-corrosion composition
CHEMED CORP19 citations80
US4230592AOct 28, 1980
Controlled foam detergent additive
CHEMED CORP26 citations79
US4245573AJan 20, 1981
Air heater corrosion prevention
CHEMED CORP22 citations77
US4362994ADec 7, 1982
Self alarming five single electrodes conductivity cell
CHEMED CORP24 citations75
US3959167AMay 25, 1976
Method and composition of inhibiting scale
CHEMED CORP23 citations75
US4190421AFeb 26, 1980
Fireside treating compositions
CHEMED CORP12 citations74
US4365200ADec 21, 1982
Self alarming four double electrodes conductivity cell
CHEMED CORP10 citations72
US4204954AMay 27, 1980
Detoxification of residual quaternaries
CHEMED CORP16 citations72
US4012354AMar 15, 1977
Composition and method of flocculating mineral solids colloidally suspended in an aqueous medium
CHEMED CORP11 citations71
US4256703AMar 17, 1981
Fly ash collection
CHEMED CORP14 citations69
US4248728AFeb 3, 1981
Liquid scouring cleanser
CHEMED CORP26 citations69
US4157977AJun 12, 1979
Detergent-germicide compositions
CHEMED CORP26 citations69
US4089831AMay 16, 1978
Composition and method for dispersing flocculant polymers
CHEMED CORP25 citations69
US4225471ASep 30, 1980
Cleaning composition containing mineral spirits alkanolamide, and oleyl dimethylamine oxide
CHEMED CORP11 citations66
US4082459AApr 4, 1978
Analytical cell assembly for an analyzer
CHEMED CORP10 citations66
US4010135AMar 1, 1977
Composition and method for dispersing high molecular weight flocculant polymers in water
CHEMED CORP11 citations66
US4115139ASep 19, 1978
Production of raw mix cement slurries having reduced water content
CHEMED CORP2 citations61
US4061589ADec 6, 1977
Corrosion inhibitor for cooling water systems
CHEMED CORP3 citations61
US4071450AJan 31, 1978
Precipitation of iron related color bodies
CHEMED CORP3 citations60
US4298018ANov 3, 1981
Pumping process
CHEMED CORP13 citations59
US4080351AMar 21, 1978
Composition and method for dispersing high molecular weight polymers in water
CHEMED CORP10 citations59
US4406812ASep 27, 1983
Deodorant and reconditioner for metal working fluids
CHEMED CORP8 citations58
US4070992AJan 31, 1978
Boiler blow down controller
CHEMED CORP8 citations58
US3954646AMay 4, 1976
Disinfectant composition and method
CHEMED CORP3 citations45