Patent US2950210A successfully refreshed from Google Patents.
US2950210A
Expired / Lapsed
US
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Coating composition
Assignee: Individual
•
Filing: 1958-12-08
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Granted: 1960-08-23
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Expires: 1978-12-08
Abstract
No abstract record available.
Inventors
- 👤 Harold D Schrier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:05
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/20; D21H19/22; C; C09; C09D; C09D123/00; C09D123/02; C09D123/04; C09D123/06; D21H19/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A COATING COMPOSITION FORSHEETS OR WEBS, CONSISTING ESSENTIALLY OF AN ESTER SELECTED FROM THE GROUP CONSISTING OF HYDROGENATED AND POLYMERIZED ROSIN ESTERS WHICH ARE NONOXIDIZING AND WHICH A SOFTENING POINT SIMILAR TO THE MELTING POINT OF WAXES, HIGH MOLECULAR WEIGHT ALIPHATIC AMIDES HAVING ALKYL CHAIN LENGTHS OF 8 TO 18 CARBON ATOMS, THE RATIO OF THE WEIGHT OF SAID ESTER TO THE WEIGHT OF SAID AMIDES BEING BETWEEN ABOUT 5.5:1 AND ABOUT 12:1, THE TOTAL WEIGHT OF SAID ESTER AND SAID AMIDES COMBINED BEING AT LEAST ABOUT 5 PERCENT BY WEIGHT OF THE COMPOSITION, THE REMAINDER OF SAID COMPOSITION CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF WAXES AND POLYETHYLENE HAVING A RELATIVELY LOW MELTING POINT AND MIXTURES THEREOF.
Claim 2
Dependent Claim
122 words
A COATING COMPOSITION FORSHEETS OR WEBS, CONSISTING ESSENTIALLY OF AN ESTER SELECTED FROM THE GROUP CONSISTING OF HYDROGENATED AND POLYMERIZED ROSIN ESTERS WHICH ARE NONOXIDIZING AND WHICH A SOFTENING POINT SIMILAR TO THE MELTING POINT OF WAXES, HIGH MOLECULAR WEIGHT ALIPHATIC AMIDES HAVING ALKYL CHAIN LENGTHS OF 8 TO 18 CARBON ATOMS, THE RATIO OF THE WEIGHT OF SAID ESTER TO THE WEIGHT OF SAID AMIDES BEING BETWEEN ABOUT 5.5:1 AND ABOUT 12:1, THE TOTAL WEIGHT OF SAID ESTER AND SAID AMIDES COMBINED BEING AT LEAST ABOUT 5 PERCENT BY WEIGHT OF THE COMPOSITION, THE REMAINDER OF SAID COMPOSITION CONSISTING ESSENTIALLY OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF WAXES AND POLYETHYLENE HAVING A RELATIVELY LOW MELTING POINT AND MIXTURES THEREOF.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |