Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1990-12-20
1992-02-25
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C07C20924
Patent
active
050915843
ABSTRACT:
A formaldehyde/amine adduct useful in water treatment having improved stability made by reacting formaldehyde and a secondary amine, limiting the water content of the adduct to no more than 30 weight percent, optionally, adding an alcohol.
REFERENCES:
patent: 2101215 (1937-12-01), Graves et al.
patent: 2179215 (1939-11-01), Jacobson
patent: 2287464 (1942-06-01), Bock
patent: 3539535 (1970-11-01), Wisner
patent: 3979348 (1976-09-01), Ballweber et al.
patent: 4010131 (1977-03-01), Phillips et al.
patent: 4026807 (1977-05-01), Quinlan et al.
patent: 4049606 (1977-09-01), Hunter et al.
patent: 4179424 (1979-12-01), Phillips et al.
patent: 4230608 (1980-10-01), Mura
patent: 4390659 (1983-06-01), Stanley, Jr. et al.
patent: 4395311 (1983-07-01), McDonald
patent: 4605772 (1986-08-01), Darby et al.
Walker, Formaldehyde, American Chemical Society Monograph Series, 3rd ed., pp. 360-361.
E. I. Du Pont de Nemours and Company
Raymond Richard L.
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