Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636224 | Ammonium lignosulfonates | — | 1987-01-13 |
| 4629469 | Humectant composition derived from kraft black liquor | — | 1986-12-16 |
| 4612051 | Water-based printing ink compositions containing a lignin acetate binder | James E. Miller | 1986-09-16 |
| 4590262 | Low electrolyte sodium lignosulfonates | — | 1986-05-20 |
| 4551151 | Dyestuff composition: disperse or vat dye and lignin sulphonate | — | 1985-11-05 |
| 4546173 | Selective crosslinking of low molecular weight sulfonated lignins and lignosulfate products produced thereby | — | 1985-10-08 |
| 4534771 | Selective crosslinking of low molecular weight sulfonated lignins and lignosulfate products produced thereby | — | 1985-08-13 |
| 4521336 | Process for preparing lignosulfonates | — | 1985-06-04 |
| 4486346 | Color reduction process for non-sulfonated lignin | — | 1984-12-04 |
| 4454066 | Reduction of lignin color | Peter T. Sarjeant | 1984-06-12 |
| 4355996 | Azo dye reduction improvement of lignin | Gerald Prazak | 1982-10-26 |
| 4338091 | Process for lowering the viscosity of sulfonated lignins | — | 1982-07-06 |
| 4244728 | Cross-linked lignin gels | Humbert Thomas Dellicolli, Sten I. Falkehag | 1981-01-13 |
| 4244729 | Sustained release pesticide compositions and process for making same | Humbert Thomas Dellicolli | 1981-01-13 |
| 4184866 | Sustained release pesticide compositions and process for making same | Humbert Thomas Dellicolli | 1980-01-22 |