Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830696 | Treatment of spent pulping liquor with lignin separation to recover alkali pulping chemicals in manufacture of paper pulp | Hassan El-Sayed El-Shall | 2004-12-14 |
EA
El-Sayed A. Abdel-Aal
Overall (2004): #267,736 of 270,089Top 100%
1
Patents 2004