Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6332969 | Inert electrode containing metal oxides, copper and noble metal | Siba P. Ray, Robert W. Woods, Robert B. Hosler | 2001-12-25 |
| 6126799 | Inert electrode containing metal oxides, copper and noble metal | Siba P. Ray, Robert W. Woods, Robert B. Hosler | 2000-10-03 |
| 6030518 | Reduced temperature aluminum production in an electrolytic cell having an inert anode | Siba P. Ray, Robert B. Hosler, Robert L. Kozarek, Alfred F. LaCamera | 2000-02-29 |
| 5938914 | Molten salt bath circulation design for an electrolytic cell | Alfred F. LaCamera, R. Lee Troup, Siba P. Ray, Robert B. Hosler | 1999-08-17 |
| 5865980 | Electrolysis with a inert electrode containing a ferrite, copper and silver | Siba P. Ray, Robert W. Woods, Robert B. Hosler | 1999-02-02 |
| 5071523 | Two stage lithium transport process | Roy A. Christini | 1991-12-10 |
| 4822585 | Silicon purification method using copper or copper-aluminum solvent metal | — | 1989-04-18 |
| 4440610 | Molten salt bath for electrolytic production of aluminum | Alfred F. LaCamera, Chester H. Klingensmith | 1984-04-03 |
| 4411747 | Process of electrolysis and fractional crystallization for aluminum purification | Kenneth A. Bowman, Robert M. Mazgaj, C. Norman Cochran | 1983-10-25 |
| 4312846 | Method of silicon purification | — | 1982-01-26 |
| 4312847 | Silicon purification system | — | 1982-01-26 |
| 4312848 | Boron removal in silicon purification | — | 1982-01-26 |
| 4294612 | Fractional crystallization process | Robert E. Graziano | 1981-10-13 |
| 4273627 | Production of extreme purity aluminum | Stanley C. Jacobs | 1981-06-16 |
| 4256717 | Silicon purification method | — | 1981-03-17 |
| 4246249 | Silicon purification process | — | 1981-01-20 |
| 4239606 | Production of extreme purity aluminum | Stanley C. Jacobs | 1980-12-16 |
| 4222830 | Production of extreme purity aluminum | Stanley C. Jacobs | 1980-09-16 |
| 4221590 | Fractional crystallization process | Robert E. Graziano, Arthur A. Bonarett | 1980-09-09 |