Compositions – Preservative agents – Anti-corrosion
Patent
1977-07-19
1978-11-28
Padgett, Benjamin R.
Compositions
Preservative agents
Anti-corrosion
252325, 526 21, 526 41, 526 51, 526 52, B01D 1704
Patent
active
041275004
ABSTRACT:
A fibrous material useful for treating a waste water having a suitable amount and ratio of hydrophobic group and hydrophilic group is produced by reacting a fibrous material with sulfuric acid and/or chlorosulfonic acid, and then with alkylamines having 2 to 20 carbon atoms and optionally finally with, for example, ammonia, amines and/or hydrazines.
REFERENCES:
patent: 2907717 (1959-10-01), Hann
patent: 3927968 (1975-12-01), Suzuki et al.
Ono Tomoyoshi
Suzuki Hideaki
Yamamoto Naoki
Yamamoto Wataru
Padgett Benjamin R.
Parr E. Suzanne
Teijin Limited
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