Inventor
SCHAPER RAYMOND J
US8 patents
Patents
8 patentsUS4166894ASep 4, 1979
Functional ionene compositions and their use
CALGON CORP284 citations97
US5087376AFeb 11, 1992
Multifunctional scale inhibitors
CALGON CORP62 citations93
US4650591AMar 17, 1987
Acrylic acid/2-acrylamido-2-methylpropylsulfonic acid/2-acrylamido-2-methylpropyl phosphonic acid polymers as scale and corrosion inhibitors
CALGON CORP69 citations93
US5259974ANov 9, 1993
N,N-bis(phosphonomethyl)-2-amino-1-propanol, derivatives and corresponding lower alkyl ethers and N-oxides thereof for high PH scale control
CALGON CORP34 citations92
US4147681AApr 3, 1979
Stable, self-inverting water-in-oil emulsions
CALGON CORP96 citations90
US4439580AMar 27, 1984
Cationic water-in-oil polymer emulsions
CALGON CORP20 citations81
US5322636AJun 21, 1994
Polyether polyamino methylene phosphonate n-oxides for high pH scale control
CALGON CORP13 citations72
US5391303AFeb 21, 1995
Polyether polyamino methylene phosphonate N-oxides for high pH scale control
CALGON CORP3 citations61