US2686133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating solution containing a cellulose compound and an alkyl titanate
Assignee: NL Industries Inc
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Filing: 1950-09-13
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Granted: 1954-08-10
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Expires: 1970-09-13
Abstract
No abstract record available.
Inventors
- 👤 Harry H Beacham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:32
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A FILM FORMING AND DRYING COMPOSITION COMPRISING A SOLUTION OF A CELLULOSIC DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF CELLULOSE NITRATE, LOWER CELLULOSE ALIPHATIC ACRYLATES AND CELLULOSE ETHERS CONTAINING FROM 2 TO 7 CARBON ATOMS IN THE ETHERIFYING GROUP, SAID CELLULOSIC DERIVATIVE HAVING FROM 0.2 TO 0.8 FREE HYDROXYL GROUPS PER GLUCOSE UNIT, AND AN ALKYL TITANATE CONTAINING FROM 1 TO 12 CARBON ATOMS PER ALKYL GROUP IN A SOLVENT MEDIUM CONSISTING ESSENTIALLY OF A LOWER ALIPHATIC LIQUID SOLVENT HAVING A BOILING POINT SUBSTANTIALLY NO HIGHER THAN 155* C., AND CONTAINING A COMPOUND HAVING AN ALCOHOL RADICAL.
Claim 2
Dependent Claim
97 words
A FILM FORMING AND DRYING COMPOSITION COMPRISING A SOLUTION OF A CELLULOSIC DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF CELLULOSE NITRATE, LOWER CELLULOSE ALIPHATIC ACRYLATES AND CELLULOSE ETHERS CONTAINING FROM 2 TO 7 CARBON ATOMS IN THE ETHERIFYING GROUP, SAID CELLULOSIC DERIVATIVE HAVING FROM 0.2 TO 0.8 FREE HYDROXYL GROUPS PER GLUCOSE UNIT, AND AN ALKYL TITANATE CONTAINING FROM 1 TO 12 CARBON ATOMS PER ALKYL GROUP IN A SOLVENT MEDIUM CONSISTING ESSENTIALLY OF A LOWER ALIPHATIC LIQUID SOLVENT HAVING A BOILING POINT SUBSTANTIALLY NO HIGHER THAN 155* C., AND CONTAINING A COMPOUND HAVING AN ALCOHOL RADICAL.
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) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |