US3067065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the saccharification of
Assignee: —
•
Filing: —
•
Granted: 1962-12-04
•
Expires: 1979-12-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:29
CPC Classifications
C; C08; C08H; C08H8/00; C13; C13K; C13K1/00; C13K1/02; C12; C12P; C12P7/00; C12P7/02; C12P7/04; C12P7/06; C12P7/08; C12P7/10; D; D21; D21C; D21C1/00; D21C1/04; D21C11/00; D21C11/0007; D21C3/00; D21C3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
IN THE PROCESS OF SACCHARIFICATION OF A CELLULOSE-CONTAINING MATERIAL BY THE HYDROGEN-CHLORIDE-GAS-SUSPENSIONMETHOD, THE IMPROVEMENT OF CONTACTING PARTICLES OF THE CELLULOSE-CONTAINING MATERIAL, HAVING A STICKY SURFACE, WITH A DRY SUBSTANCE THE PARTICLES OF WHICH ARE OF SMALLER AVERAGE SIZE THAN HALF THE AVERAGE PARTICLE SIZE OF THE CELLULOSE-CONTAINING MATERIAL, THE PARTICLES OF SAID DRY SUBSTANCE BEING SUBSTANTIALLY INERT TO HYDROCHLORIC ACID, AND FREE FROM STICKINESS.
Claim 2
Dependent Claim
64 words
IN THE PROCESS OF SACCHARIFICATION OF A CELLULOSE-CONTAINING MATERIAL BY THE HYDROGEN-CHLORIDE-GAS-SUSPENSIONMETHOD, THE IMPROVEMENT OF CONTACTING PARTICLES OF THE CELLULOSE-CONTAINING MATERIAL, HAVING A STICKY SURFACE, WITH A DRY SUBSTANCE THE PARTICLES OF WHICH ARE OF SMALLER AVERAGE SIZE THAN HALF THE AVERAGE PARTICLE SIZE OF THE CELLULOSE-CONTAINING MATERIAL, THE PARTICLES OF SAID DRY SUBSTANCE BEING SUBSTANTIALLY INERT TO HYDROCHLORIC ACID, AND FREE FROM STICKINESS.
References Cited (Backward Citations)
US2739086A
Cited
US2900284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |