Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5904856 | Process for the preparation of aluminum salt solutions | Roger Barstrom | 1999-05-18 |
| 5597510 | Coagulants containing basic aluminum polychloride or polychlorosulfatean iron compound, and an alkali or alkyline earth metall halide | Sylvain Danda, Yvette Pescher | 1997-01-28 |
| 5587086 | Purification of aqueous media using aluminum polychloride/iron compound/salt-based coagulant compositions | Sylvain Danda, Yvette Pescher | 1996-12-24 |
| 5182094 | Process for the preparation of polyaluminum compounds | Kjell Stendahl | 1993-01-26 |
| 4814106 | Manufacture of a basic metal hydroxysulfate complex in solid form | — | 1989-03-21 |
| 4310360 | Method for producing pigment for use in sizing compositions | — | 1982-01-12 |