Patent US2999828A successfully refreshed from Google Patents.
US2999828A
Expired / Lapsed
US
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Wax composition and sheet materials coated therewith
Assignee: Primerica Inc
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Filing: 1959-05-05
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Granted: 1961-09-12
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Expires: 1979-05-05
Abstract
No abstract record available.
Inventors
- 👤 Robert W Dannenbrink
- 👤 George E Unmuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:42
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/18; C; C08; C08L; C08L91/00; C08L91/06; C09; C09D; C09D191/00; C09D191/06; C09D191/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A WAX COMPOSITION CONTAINING AS THE ESSENTIAL COMPONENTS BY WEIGHT FROM ABOUT 5% TO ABOUT 50% OF A POLYETHLENE HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 3,000 AND ABOUT 12,000, A DENSITY BETWEEN 0.880 AND 0.910 AND BETWEEN ABOUT 7% AND ABOUT 12% OF ITS CARBON ATOMS PRESENT AS BRANCHED CHAIN CARBONS, AND BETWEEN ABOUT 5% AND ABOUT 90% OF AN INTERMEDIATE WAX DERIVED FROM PETROLEUM DISTILIATE AND HAVING A MELTING POINT BETWEEN ABOUT 140*F. AND 170*F., A VISCOSITY OF LESS THAN 10 CENTISTOKES WHEN MEASURED AT 210*F. AND A REFRACTIVE INDEX, WHEN MEASURED AT 194*F., OF AT LEAST 1.4292 PLUS 0.0002 REFRACTIVE INDEX UNITS PER DEGREE FAHRENHEIT BY WHICH THE MELTING POINT OF SAID WAX EXCEEDS 140*F.
Claim 2
Dependent Claim
117 words
A WAX COMPOSITION CONTAINING AS THE ESSENTIAL COMPONENTS BY WEIGHT FROM ABOUT 5% TO ABOUT 50% OF A POLYETHLENE HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 3,000 AND ABOUT 12,000, A DENSITY BETWEEN 0.880 AND 0.910 AND BETWEEN ABOUT 7% AND ABOUT 12% OF ITS CARBON ATOMS PRESENT AS BRANCHED CHAIN CARBONS, AND BETWEEN ABOUT 5% AND ABOUT 90% OF AN INTERMEDIATE WAX DERIVED FROM PETROLEUM DISTILIATE AND HAVING A MELTING POINT BETWEEN ABOUT 140*F. AND 170*F., A VISCOSITY OF LESS THAN 10 CENTISTOKES WHEN MEASURED AT 210*F. AND A REFRACTIVE INDEX, WHEN MEASURED AT 194*F., OF AT LEAST 1.4292 PLUS 0.0002 REFRACTIVE INDEX UNITS PER DEGREE FAHRENHEIT BY WHICH THE MELTING POINT OF SAID WAX EXCEEDS 140*F.
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) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |