Issued Patents All Time
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 (All Time): #3,497,855 of 4,157,543Top 85%
1
Patents All Time