-
-
-
-
-
-
-
-
-
-
-
-
Process for purifying silica sand
-
Patent number 4,401,638
-
Issue date Aug 30, 1983
-
Materias Primas, Monterrey, S.A.
-
Alejandro J. Caballero
-
C03 - GLASS MINERAL OR SLAG WOOL
-
-
-
3914385
-
Patent number 3,914,385
-
Issue date Oct 21, 1975
-
C01 - INORGANIC CHEMISTRY
-
3347775
-
Patent number 3,347,775
-
Issue date Oct 17, 1967
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
-
3338816
-
Patent number 3,338,816
-
Issue date Aug 29, 1967
-
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
-
3060210
-
Patent number 3,060,210
-
Issue date Oct 23, 1962
-
C07 - ORGANIC CHEMISTRY
-
2769540
-
Patent number 2,769,540
-
Issue date Nov 6, 1956
-
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
-
2459219
-
Patent number 2,459,219
-
Issue date Jan 18, 1949
-
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...