Title:
REMOVAL OF COPPER CONTAINING SCALE FROM FERROUS SURFACES
United States Patent 3447965
US Patent References:
Method of treating boilers
- - 2396938
Method of treating polonium plated metal
- - 2476823
Removing copper-containing incrustations from steam generators
- - 2567835
Process for the descaling of sugar factory evaporators and other heat transfer equipment
- - 2774694
Corrosion-inhibition of oxalic acid
- - 2793190
Method of treating boilers
- - 2396938
Method of treating polonium plated metal
- - 2476823
Removing copper-containing incrustations from steam generators
- - 2567835
Process for the descaling of sugar factory evaporators and other heat transfer equipment
- - 2774694
Corrosion-inhibition of oxalic acid
- - 2793190
Inventors:
Teumac, Fred N.
Publication Date:
06/03/1969
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Export Citation:
Assignee:
DOW CHEMICAL CO
Primary Class:
Other Classes:
510/477, 510/245, 134/41, 134/22.190, 134/3, 510/480, 134/22.170
International Classes:
C11D3/33; C11D7/26; C23G1/19; C23G1/24; F28G9/00; C11D3/26; C11D7/22; C23G1/00; C23G1/14; C02B5/06; B08B3/08
US Patent References:
| 2958610 | Pre-plating treatment of aluminous surfaces | |||
| 3072502 | Process for removing copper-containing iron oxide scale from metal surfaces | |||
| 3248269 | Scale removal | |||
| 3272738 | Process for the removal of metal corrosion products from a solution of hydrazine andethylenediaminetetracetic acid | |||
| 3308065 | Scale removal, ferrous metal passivation and compositions therefor |
Foreign References:
| CA560977A |