Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645384 | Method for inhibiting scale in high-cycle aqueous systems | John Richardson, Richard H. Tribble | 2003-11-11 |
| 6177276 | Oxidation and measurement of phosphonates in aqueous solutions | John G. Richardson | 2001-01-23 |
| 6153110 | Method for controlling treatment chemicals in aqueous systems | John G. Richardson | 2000-11-28 |
| 4759852 | Use of sulfamic acid to inhibit phosphonate decomposition by chlorine-bromine mixtures | — | 1988-07-26 |