ALKALI SOLUTION TREATMENT OF CATHODICALLY CHROMATED METAL SURFACE
United States Patent 3518169
Inventors:
Oyama, Taro
Inui, Tsuneo
Publication Date:
06/30/1970
Assignee:
TOYO KAHAN CO LTD
Other Classes:
205/323, 205/320, 205/333, 205/319
International Classes:
C25D11/38; C25D11/00; C23F13/00; C23B11/00
US Patent References:
| 3016339 | Method of protecting metal surfaces | | | |
| 3026255 | Method of protecting metal surfaces | | | |
| 3097978 | Method of coating zinc surfaces | | | |
| 3335074 | Anodic treatment of zinc and zinc-base alloys | | | |