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1944-01-29 |
1949-01-11 |
J H Shoemaker |
Process of cleaning metal surfaces and compositions therefor
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1944-06-02 |
1951-01-16 |
Freeport Sulphur Co |
Metal surface cleaning
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1944-06-02 |
1954-05-11 |
Pottberg Rolfe |
Metal surface treatment
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1945-07-31 |
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1946-02-21 |
1951-09-25 |
United States Steel Corp |
Method of removing scale from ferrous articles
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US2488108A
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1946-08-02 |
1949-11-15 |
Pennsylvania Salt Mfg Co |
Stainless steel pickling
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1946-09-05 |
1954-05-11 |
Pottberg Rolfe |
Process of removing surface oxide films on metal
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1947-04-07 |
1951-09-11 |
J H Shoemaker |
Metal cleaning composition and process
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1947-07-08 |
1954-04-27 |
Hooker Electrochemical Co |
Processes for removal of oxides from the surface of metals
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1948-06-25 |
1953-03-03 |
Charles B Francis |
Method of cleaning and descaling ferrous bodies
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1948-09-08 |
1953-06-09 |
United States Steel Corp |
Method of cleaning and descaling ferrous articles and a bath therefor
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US2567835A
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1949-08-29 |
1951-09-11 |
Dow Chemical Co |
Removing copper-containing incrustations from steam generators
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1950-08-29 |
1954-03-09 |
Gen Electric |
Chemical brightening of aluminum
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1951-09-13 |
1956-03-13 |
Diamond Alkali Co |
Salt bath system and method for treating metals
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1952-07-25 |
1956-03-13 |
Diamond Alkali Co |
Salt bath system and method for treating metals
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1953-11-10 |
1957-10-08 |
Sylvania Electric Prod |
Fabrication of semiconductor elements
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1954-06-01 |
1955-12-13 |
Ford Motor Co |
Deoxidizing copper base metal parts
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1954-09-28 |
1960-04-05 |
Diamond Alkali Co |
Alkaline composition
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1957-10-24 |
1962-04-17 |
Hooker Chemical Corp |
Process and salt for descaling of metals
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1958-06-12 |
1962-02-06 |
Gen Dynamics Corp |
Chemical cleaning of printed circuits
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1958-12-10 |
1962-03-13 |
Purex Corp Ltd |
Composition and process for removing heat scale from metal parts
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1959-05-25 |
1963-07-02 |
Hooker Chemical Corp |
Salt bath for electrolytic cleaning of metals
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1959-05-27 |
1962-07-10 |
Gil Mfg Company |
Method of porcelain enameling ferrous metal and product
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1960-02-19 |
1961-12-05 |
Charles O Coffer |
Surface treatment of molybdenum metal
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1965-07-20 |
1969-07-22 |
Diversey Corp |
Method and composition for chemically polishing metals
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1969-01-06 |
1972-03-07 |
Olin Mathieson |
Copper alloy cleaning process
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1969-01-06 |
1973-04-17 |
Olin Corp |
Copper alloy cleaning process
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1973-03-01 |
1980-09-05 |
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1982-04-23 |
1986-05-09 |
Stephanois Rech Mec |
Procede de traitement de pieces en metal ferreux en bain de sels oxydant, pour ameliorer leur resistance a la corrosion, les pieces contenant du soufre
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1998-09-18 |
2001-03-20 |
Hoffman Industries International, Ltd. |
Electrolytic cleaning of conductive bodies
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