Potential gradient anode for galvanic protection
United States Patent 2478478

Inventors:
Grebe, John J.
Publication Date:
08/09/1949
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Assignee:
DOW CHEMICAL CO
Primary Class:
Other Classes:
428/610, 204/290.030, 204/196.240, 428/933, 428/939, 428/653, 428/931, 428/686, 428/649, 204/293, 422/7, 204/290.010
International Classes:
C23F13/14; C23F13/00