Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1973-09-21
1976-04-06
Schain, Howard E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
210 62, 260 68, 260 71, C08G 1240
Patent
active
039488535
ABSTRACT:
This invention relates to a chlorinated polyamide resin useful for water purification. The resin of this invention is produced by first reacting urea or melamine or a mixture of both with paraformaldehyde and then subjecting this product to chlorination. The chlorinated resin so produced can be used for treatment of drinking water and swimming pools and represents an improvement over prior art methods.
REFERENCES:
patent: 2472361 (1949-06-01), Arsem
patent: 2654720 (1953-10-01), Cohen et al.
patent: 2797206 (1957-06-01), Suen et al.
Horning Douglas Patrick
Robertson Ross Elmore
Danison, Jr. W. C.
Schain Howard E.
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