-
-
Method for dewatering of sludge
-
Patent number 6,413,433
-
Issue date Jul 2, 2002
-
Nalco Chemical Company
-
Elise Maury
-
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
-
-
-
-
-
-
-
-
Dithiocarbamate polymers
-
Patent number 5,164,095
-
Issue date Nov 17, 1992
-
Nalco Chemical Company
-
John W. Sparapany
-
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
-
-
-
Cationic polymers for sludge dewatering
-
Patent number 5,093,413
-
Issue date Mar 3, 1992
-
Nalco Chemical Company
-
Bhupati R. Bhattacharyya
-
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
-
Superabsorbent polymers
-
Patent number 4,921,904
-
Issue date May 1, 1990
-
Nalco Chemical Company
-
John W. Sparapany
-
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
-