Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6528665 | Preventing undesired odor in and/or purifying alkanediols | Chi Hung Cheng, John F. Balhoff | 2003-03-04 |
| 6525208 | Epoxidation of olefins | Chi Hung Cheng | 2003-02-25 |
| 6235941 | Process for production of organic disulfides | Chi Hung Cheng | 2001-05-22 |
| 5955630 | Recovery of N-hydrocarbylthiophosphoric triamides and N-hydrocarbylphosphoric triamides from reaction mixtures | Chi Hung Cheng | 1999-09-21 |
| 5883297 | Preparation and recovery of N-hydrocarbylthiophosphoric triamides or N-hydrocarbylphosphoric triamides | Chi Hung Cheng, W. Dirk Klobucar, Charles H. Kolich | 1999-03-16 |
| 5872293 | Separating ammonium chloride from N-hydrocarbylphosphoric triamide or N-hydrocarbylthiophosphoric triamide | Chi Hung Cheng | 1999-02-16 |
| 5871667 | Inhibiting ferrous metal corrosion by aqueous ammoniate solutions | Chi Hung Cheng | 1999-02-16 |
| 5770771 | Preparation of N-hydrocarbylthiophosphoric triamides | Chi Hung Cheng, W. Dirk Klobucar, Charles H. Kolich | 1998-06-23 |
| 4656018 | Cyclic phosphonitrilic halide process | Joseph B. Tedder, Jr., J. Robert Adams, Jr., Matthew K. Juneau | 1987-04-07 |
| 4568779 | Polyphosphazene process | R. Woodrow Wilson, Jr. | 1986-02-04 |