| abstract |
(57) [Summary] (Modified) [Constitution] The following formula N, N-bis (phosphonomethyl) -2-amino-1-propanol, Where n is an integer from 1 to 3; M is hydrogen or a suitable cation; and R is independently selected from hydrogen and C 1 -C 4 alkyl); . [Effect] These compounds, their derivatives and corresponding lower alkyl ethers have high calcium tolerance and high Better inhibits the formation, deposition and deposition of scale-forming salts, especially calcium carbonate, under harsh conditions including pH, high dissolved solids content and high saturation levels of calcium carbonate. |