Patent US2721815A successfully refreshed from Google Patents.
US2582037A
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Coating composition containing polyethylene and wax and paper coated therewith
Assignee: Fort James Corp
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Filing: 1947-11-12
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Granted: 1952-01-08
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Expires: 1967-11-12
Abstract
No abstract record available.
Inventors
- 👤 James B Hyde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:20
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/18; C; C09; C09D; C09D191/00; C09D191/06; C09D191/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31902
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A WAX PAPER COATING COMPOSITION COMPRISING MICRO-CRYSTALLINE WAX, PARAFFIN WAX, AND A MINOR PROPORTION SUFFICIENT TO PREVENT BLOCKING BUT NOT EXCEEDING 10% BY WEIGHT OF POLYETHYLENE HAVING A MOLECULAR WEIGHT OF AT LEAST 75% THE TOTAL QUANTITY OF THE MICRO-CRYSTALLINE WAX AND THE PARAFFIN WAX CONSTITUTING AT LEAST 75% BY WEIGHT OF THE COMPOSITION, AND THE PARAFFIN WAX CONSTITUTING AT LEAST 20% BY WEIGHT OF THE COMPOSITION, AND THE QUANTITY BY WEIGHT OF MICROCRLYSTALLINE WAX BEING AT LEAST 3 AND NOT MORE THAN 9 TIMES THE QUANTITY BY WEIGHT OF THE POLYETHYLENE.
Claim 2
Dependent Claim
92 words
A WAX PAPER COATING COMPOSITION COMPRISING MICRO-CRYSTALLINE WAX, PARAFFIN WAX, AND A MINOR PROPORTION SUFFICIENT TO PREVENT BLOCKING BUT NOT EXCEEDING 10% BY WEIGHT OF POLYETHYLENE HAVING A MOLECULAR WEIGHT OF AT LEAST 75% THE TOTAL QUANTITY OF THE MICRO-CRYSTALLINE WAX AND THE PARAFFIN WAX CONSTITUTING AT LEAST 75% BY WEIGHT OF THE COMPOSITION, AND THE PARAFFIN WAX CONSTITUTING AT LEAST 20% BY WEIGHT OF THE COMPOSITION, AND THE QUANTITY BY WEIGHT OF MICROCRLYSTALLINE WAX BEING AT LEAST 3 AND NOT MORE THAN 9 TIMES THE QUANTITY BY WEIGHT OF THE POLYETHYLENE.
References Cited (Backward Citations)
US2339958A
Cited
US2298846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |