Methylene phosphonates of polymerized polyalkylenepolyamines

Details Methylene phosphonates of polymerized polyalkylenepolyamines Methylene phosphonates of polymerized polyalkylenepolyamines

1976-04-22

1977-09-27

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

210 54, 210 58, 252 85C, 252 85P, 252 855B, 252 855D, 252 88, 252 82, 252 89R, 252180, 252389A, 260 294R, 260 2P, 260 51R, 260 52, 260 725, C08G 1206

Patent

active

040511103

ABSTRACT:
Methylene phosphonates of polyalkylenepolyamines polymerized with chain extenders such as epoxyhalides, dihalides, etc., such as epihalohydrin, alkylenedihalide, alkenyldihalide, alkynylenedihalide, xylylenedihalide, alkyleneetherdihalides, etc.; and to uses therefor, particularly as scale inhibitors, chelating agents, etc.

REFERENCES:
patent: 2841611 (1958-07-01), Bersworth
patent: 3751371 (1973-08-01), Redmore et al.
patent: 3799893 (1974-03-01), Quinlan

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