US2570490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wire coating composition
Assignee: Anaconda Wire and Cable Co
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Filing: 1949-02-15
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Granted: 1951-10-09
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Expires: 1969-02-15
Abstract
No abstract record available.
Inventors
- 👤 Harry L Saums
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:30
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D101/10; C09D101/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A WIRE COATING COMPOSITION THAT SETS BY GELATION COMPOSED ESSENTIALLY OF A CELLULOSE ESTER OF WITH AT LEAST ONE ALIPHATIC ACID CONTAINING FROM 2 TO 4 CARBON ATOMS DISSOLVED IN A SOLVENT COMPOSED ESSENTIALLY OF 15% TO 30% BY WEIGHT OF A LOWER MONOHYDROXY ALKANOL, 50% TO 60% BY WEIGHT OF ONE OF A GROUP MADE UP OF BENZENE AND ITS METHYL HOMOLOGUES, AND 10% TO 30% BY WEIGHT OF A LOWER ALKAYL KETONE, SAID ESTER CONSTITUTING 12% TO 15% BY WEIGHT OF THE COMPOSITION AND THE COMPOSITON HAVING A VISCOSITY OF 600 TO 1500 CENTIPOISES AT 100* F. AND FORMING, WITHOUT SUBSTANTIAL SOLVENT EVAPORATION, A NON-FLOWING GEL AT 65* F., CHARACTERIZED IN THAT SILICA OF COLLOIDAL FINENESS IS INCORPORATED IN THE COMPOSITION, THE AMOUNT OF SAID SILICA BEING FROM 0.25% TO 10% BY WEIGHT OF THE CELLULOSE ESTER AND THE MAXIMUM PARTICLE SIZE OF THE SILICA BEING 50 MILLIMICRONS.
Claim 2
Dependent Claim
150 words
A WIRE COATING COMPOSITION THAT SETS BY GELATION COMPOSED ESSENTIALLY OF A CELLULOSE ESTER OF WITH AT LEAST ONE ALIPHATIC ACID CONTAINING FROM 2 TO 4 CARBON ATOMS DISSOLVED IN A SOLVENT COMPOSED ESSENTIALLY OF 15% TO 30% BY WEIGHT OF A LOWER MONOHYDROXY ALKANOL, 50% TO 60% BY WEIGHT OF ONE OF A GROUP MADE UP OF BENZENE AND ITS METHYL HOMOLOGUES, AND 10% TO 30% BY WEIGHT OF A LOWER ALKAYL KETONE, SAID ESTER CONSTITUTING 12% TO 15% BY WEIGHT OF THE COMPOSITION AND THE COMPOSITON HAVING A VISCOSITY OF 600 TO 1500 CENTIPOISES AT 100* F. AND FORMING, WITHOUT SUBSTANTIAL SOLVENT EVAPORATION, A NON-FLOWING GEL AT 65* F., CHARACTERIZED IN THAT SILICA OF COLLOIDAL FINENESS IS INCORPORATED IN THE COMPOSITION, THE AMOUNT OF SAID SILICA BEING FROM 0.25% TO 10% BY WEIGHT OF THE CELLULOSE ESTER AND THE MAXIMUM PARTICLE SIZE OF THE SILICA BEING 50 MILLIMICRONS.
References Cited (Backward Citations)
GB191121426A
Cited
US1521859A
Cited
US1818108A
Cited
US2417344A
Cited
US2418211A
Cited
US2404353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |