Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5167787 | Linings for aluminum reduction cells | Tom J. Hudson, John M. McIntyre, Pierre Tremblay, Claude Allaire | 1992-12-01 |
| 5062929 | Linings for aluminum reduction cells | Tom J. Hudson, John M. McIntyre, Pierre Tremblay, Claude Allaire | 1991-11-05 |
| 5033721 | Insulating lightweight refractory materials | — | 1991-07-23 |
| 4877507 | Linings for aluminum reduction cells | Tom J. Hudson, John M. McIntyre, Pierre Tremblay, Claude Allaire | 1989-10-31 |
| 4873209 | Insulating lightweight refractory materials | — | 1989-10-10 |
| 4681819 | Treatment of refractory articles | — | 1987-07-21 |
| 4632292 | Method of joining pipes by explosive welding using disintegrating anvil | — | 1986-12-30 |
| 4394365 | Method for curtailing phosphorous impurity in the production of hydrogen fluoride | — | 1983-07-19 |
| 4275043 | Removal of oxalate from bayer process liquor | — | 1981-06-23 |