US2544247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ethyl cellulose and resinous composition
Assignee: Callaghan Hession Corp
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Filing: 1947-11-03
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Granted: 1951-03-06
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Expires: 1967-11-03
Abstract
No abstract record available.
Inventors
- 👤 Annis G Asaff
- 👤 William W Donelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:12
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D101/26; C09D101/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PLASTIC COATING COMPOSITION COMPRISING A VEHICLE, SAID VEHICLE COMPRISING ETHYL CELLULOSE AN ALCOHOL-SOLUBLE RESINOUS FORTIFYING EXTENDER DERIVED FROM ROSIN AND A PLASTICIZER DISSOLVED IN A SOLVENT COMPOSED OF 60 TO 90 PER CENT BY WEIGHT OF LOW BOILING ALIPHATIC ALCOHOL AND 40 TO 10 PER CENT BY WEIGHT OF AN AROMATIC HYDROCARBON, SAID COMPOSITION ALSO CONTAINING WATER IN AN AMOUNT FROM 5% TO 10% BY WEIGHT, BASED ON THE WEIGHT OF THE VEHICLE, THE WATER PARTIALLY INACTIVATING THE SOLVENT EFFECT OF THE ALCOHOL UPON THE ETHYL CELLULOSE WITHOUT CAUSING SUBSTANTIAL PRECIPITATION OF THE ETHYL CELLULOSE AND THEREBY RENDERING THE COMPOSITION CAPABLE OF BEING SPREAD BY MEANS OF A TROWEL.
Claim 2
Dependent Claim
110 words
A PLASTIC COATING COMPOSITION COMPRISING A VEHICLE, SAID VEHICLE COMPRISING ETHYL CELLULOSE AN ALCOHOL-SOLUBLE RESINOUS FORTIFYING EXTENDER DERIVED FROM ROSIN AND A PLASTICIZER DISSOLVED IN A SOLVENT COMPOSED OF 60 TO 90 PER CENT BY WEIGHT OF LOW BOILING ALIPHATIC ALCOHOL AND 40 TO 10 PER CENT BY WEIGHT OF AN AROMATIC HYDROCARBON, SAID COMPOSITION ALSO CONTAINING WATER IN AN AMOUNT FROM 5% TO 10% BY WEIGHT, BASED ON THE WEIGHT OF THE VEHICLE, THE WATER PARTIALLY INACTIVATING THE SOLVENT EFFECT OF THE ALCOHOL UPON THE ETHYL CELLULOSE WITHOUT CAUSING SUBSTANTIAL PRECIPITATION OF THE ETHYL CELLULOSE AND THEREBY RENDERING THE COMPOSITION CAPABLE OF BEING SPREAD BY MEANS OF A TROWEL.
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) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |