Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10441940 | Polymers grafted with organic phosphorous compounds for extracting uranium from solutions | Chanel Tissot, Mohamad Al-Sheikhly | 2019-10-15 |
| 6288300 | Thermal treatment and immobilization processes for organic materials | Miriam Lemus, Marta Gmurczyk, Galina Cherepakhov | 2001-09-11 |
| 6084146 | Immobilization of radioactive and hazardous contaminants and protection of surfaces against corrosion with ferric oxides | Ewa Labuda, Marta Gmurczyk, Donna Wilder | 2000-07-04 |
| 5434331 | Removal of radioactive or heavy metal contaminants by means of non-persistent complexing agents | Stephanie A. Olszowka | 1995-07-18 |
| 5270292 | Method for the formation of high temperature semiconductors | Hamid Hojaji | 1993-12-14 |
| 4995984 | Supported heteropolycyclic compounds in the separation and removal of late transition metals | — | 1991-02-26 |
| 4876232 | Supported heteropolycyclic compounds in the separation and removal of late transition metals | — | 1989-10-24 |
| 4687581 | Method of separating and purifying cations by ion exchange with regenerable porous glass | Pedro B. Macedo, Herbert G. Sutter | 1987-08-18 |
| 4659512 | Fixation of dissolved metal species with a complexing agent | Pedro B. Macedo | 1987-04-21 |
| 4659477 | Fixation of anionic materials with a complexing agent | Pedro B. Macedo | 1987-04-21 |
| 4654146 | Ion exchanger to separate heavy alkali metal ions | Pedro B. Macedo | 1987-03-31 |
| 4648975 | Process of using improved silica-based chromatographic supports containing additives | Pedro B. Macedo | 1987-03-10 |
| 4332031 | Silica removal process and alumina composition used therein | Pedro B. Macedo | 1982-05-25 |