Hazen Research, Inc.

États‑Unis d’Amérique

Commandez votre montre hebdomadaire Hazen Research, Inc.
Quantité totale PI 5
Rang # Quantité totale PI 316 351
Note d'activité PI 0,9/5.0    2
Rang # Activité PI 477 193

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Dernier brevet 2020 - Compositionally gradient nickel-...
Premier brevet 1974 - Axial flow electrolytic cell

Derniers inventions, produits et services

2020 Invention Compositionally gradient nickel-rich cathode materials and methods for the manufacture thereof. T...
2016 Invention Recovery of rare earths from concentrates containing fluorine. The present invention relates to t...
2003 Invention Dry dust control materials. The present invention discloses methods to reduce dusting in bulk mat...
2002 Invention Methods of controlling the density and thermal properties of bulk materials. Methods of controlli...
1998 Invention Method to reduce oxidative deterioration of bulk materials. A method and composition are disclose...
Invention Method for reducing lead leaching in fixtures. A method for treating a brass fixture (2) having a...
1997 Invention Method to reduce oxidative deterioration of bulk materials. Disclosed is a method to reduce oxida...
Invention Method for reducing lead leaching in fixtures. A method for treating a brass fixture having a flu...
1996 Invention Method for removing metals from waste solutions. The present invention is a method to remove meta...
Invention Process for stabilization of arsenic. The present invention is a method to remove arsenic from ar...
1994 Invention Method for removing metals from a solution. The present invention is a method to remove metals fr...
1992 Invention Selective recovery of dissolved metals and preparation of metal salt products. Discussed is a pro...
Invention Selective recovery of heavy metals using xanthates. A process for selectively recovering dissolve...
1982 Invention Automatic volatile matter content analyzer. An analyzer is provided for use in determining the vo...
1981 Invention Process for the recovery of lead and silver chlorides. Modifications are leaching at the agglomer...
1979 Invention Hydrometallurgical process for the recovery of lead. The present process avoids air pollution pro...
1977 Invention Solar energy collector. A solar energy collector which is inexpensive to manufacture and install ...
1976 Invention Process for recovering zinc from steel-making flue dust. A method for recovering a substantially ...
Invention Solder skimmings recovery process. An improvement in the method for recovering marketable values ...
1975 Invention Process for the direct production of steel. A process for the direct production of steel from par...
1974 Invention Axial flow electrolytic cell. There is provided a membrane-free axial flow electrolytic cell in w...