Title:
Semi-chemical pulping process
United States Patent 2862813
Inventors:
Clarence, Birdseye
Publication Date:
12/02/1958
Assignee:
Process, Evaluation Devel
Other Classes:
162/149, 162/96
International Classes:
D21B1/12; D21C3/24; D21B1/00; D21C3/00
US Patent References:
| 2215353 | Process of making fiberboard | | | |
| 2425024 | Apparatus for producing pulp from cellulosic material | | | |
| 2454534 | Process for defibering lignocellulose while subjected to steam and alkali-metal hydroxide | | | |
| 2542801 | Continuous digestion apparatus for the production of highly purified cellulose | | | |
| 2673690 | Method for the digestion of cellulose-bearing material | | | |