US2712994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for improving paper and product
Assignee: Monsanto Chemicals Ltd
•
Filing: 1949-01-27
•
Granted: 1955-07-12
•
Expires: 1969-01-27
Abstract
No abstract record available.
Inventors
- 👤 George E Niles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:10
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/62
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
PAPER TOWELING COMPOSED OF WOOD PULP FIBERS HAVING INCORPORATED THEREIN ALUM AND FROM ABOUT 0.2 TO 0.5% BY WEIGHT, BASE ON THE DRY PULP IN THE TOWELING, OF A WATER-DISPERSIBLE REACTION PRODUCT OF (1) 100 PARTS BY WEIGHT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF TALL OIL, ROSING OILS, ROSIN ACIDS AND MIXTURES THEREOF AND (2) FROM ABOUT 50 TO 210 PARTS BY WEIGHT OF ETHYLENE OXIDE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |