Descumming preparation and process
United States Patent 3051603

Inventors:
James, Michaels
Publication Date:
08/28/1962
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Assignee:
James, Michaels
Primary Class:
Other Classes:
430/331, 134/3, 430/310, 216/108, 134/28, 134/6, 216/48, 430/323, 252/79.300
International Classes:
C23G1/02; G03F7/40
US Patent References:
2529549Method of cleaning cement surfaces preparatory to painting
2888391Process for coating metal
Foreign References:
GB360126A