US2769730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating cellulosic materials
Assignee: Monsanto Chemicals Ltd
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Filing: 1954-06-21
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Granted: 1956-11-06
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Expires: 1974-06-21
Abstract
No abstract record available.
Inventors
- 👤 Songe S Sakornbut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:36
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/08; Y; Y10; Y10S; Y10S428/00; Y10S428/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
THE METHOD OF TREATING POROUS CELLULOSIC MATERIALS WHICH COMPRISES APPLYING TO THE POROUS MATERIALS AN AQUEOUS AMMONIACAL SOLUTION OF A ZINC COMPOUND, DRYING THE SAID MATERIAL AND THEN TREATING THE MATERIAL WITH A COMPOSITION COMPRISING A HYDROCARBON OIL BOILING BETWEEN 110* C. AND 220* C., FROM 3 TO 8 PERCENT BY WEIGHT OF A CHLORINATED PHENOL, FROM 8 TO 20 PERCENT OF A CHLORINATE HYDROCARBON CONTAINING AT LEAST 40 PERCENT CHLORINE, FROM 3 TO 10 PERCENT OF AN ESTER OF PHOSPHORIC ACID AND FROM 0.1 TO 2 PERCENT OF PETROLEUM WAX, ALL PERCENTAGES OF THE COMPONENTS OF SAID COMPOSITION BEING BASED ON THE WEIGHT OF THE RESULTING SOLUTION.
Claim 2
Independent Claim
108 words
THE METHOD OF TREATING POROUS CELLULOSIC MATERIALS WHICH COMPRISES APPLYING TO THE POROUS MATERIALS AN AQUEOUS AMMONIACAL SOLUTION OF A ZINC COMPOUND, DRYING THE SAID MATERIAL AND THEN TREATING THE MATERIAL WITH A COMPOSITION COMPRISING A HYDROCARBON OIL BOILING BETWEEN 110* C. AND 220* C., FROM 3 TO 8 PERCENT BY WEIGHT OF A CHLORINATED PHENOL, FROM 8 TO 20 PERCENT OF A CHLORINATE HYDROCARBON CONTAINING AT LEAST 40 PERCENT CHLORINE, FROM 3 TO 10 PERCENT OF AN ESTER OF PHOSPHORIC ACID AND FROM 0.1 TO 2 PERCENT OF PETROLEUM WAX, ALL PERCENTAGES OF THE COMPONENTS OF SAID COMPOSITION BEING BASED ON THE WEIGHT OF THE RESULTING SOLUTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |