|
Total properties:
11
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/04/1993
|
Application #:
|
07820987
|
Filing Dt:
|
01/15/1992
|
|
Title:
|
METHOD FOR THE RECOVERY OF ZINC OXIDE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/07/1995
|
Application #:
|
08238250
|
Filing Dt:
|
05/04/1994
|
|
Title:
|
METHOD FOR TREATING WASTE STREAMS CONTAINING ZINC
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/11/1995
|
Application #:
|
08277233
|
Filing Dt:
|
07/19/1994
|
|
Title:
|
METHOD FOR THE RECLAMATION OF METALLIC COMPOUNDS FROM ZINC AND LEAD CONTAINING DUST
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/26/1995
|
Application #:
|
08302179
|
Filing Dt:
|
09/08/1994
|
|
Title:
|
METHOD FOR SEPARATION OF METALS FROM WASTE STREAM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/05/1996
|
Application #:
|
08360394
|
Filing Dt:
|
12/21/1994
|
|
Title:
|
METHOD FOR PRODUCING AN ENRICHED IRON FEEDSTOCK FROM INDUSTRIAL FURNACE WASTE STREAMS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/02/1998
|
Application #:
|
08439352
|
Filing Dt:
|
05/11/1995
|
|
Title:
|
METHOD FOR THE FURTHER PURIFICATION OF ZINC OXIDE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
02/24/2004
|
Application #:
|
08594349
|
Filing Dt:
|
01/29/1996
|
|
Title:
|
METHOD FOR THE PURIFICATION OF ZINC OXIDE CONTROLLING PARTICLE SIZE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/16/1997
|
Application #:
|
08604178
|
Filing Dt:
|
02/21/1996
|
|
Title:
|
METHOD FOR THE REMOVAL OF CALCIUM BY PRODUCTS DURING THE PRODUCTION OF AN IRON FEEDSTOCK
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/15/1998
|
Application #:
|
08670454
|
Filing Dt:
|
06/26/1996
|
|
Title:
|
PRODUCTION OF DIRECT REDUCED IRON AND/OR PIG IRON FROM INDUSTRIAL WASTE STREAMS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/24/1999
|
Application #:
|
08672103
|
Filing Dt:
|
06/27/1996
|
|
Title:
|
BENEFICIATION OF FURNACE DUST FOR THE RECOVERY OF CHEMICAL AND METAL VALUES
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/05/1999
|
Application #:
|
08687650
|
Filing Dt:
|
07/26/1996
|
|
Title:
|
PRODUCTION OF MORE CONCENTRATED IRON PRODUCT FROM INDUSTRIAL WASTE MATERIALS STREAMS
|
|
