US2733225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
P composition sa
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:37
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/18; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A MODIFIED PARAFFIN WAX GREASE RESISTANT COATING COMPOSITION FOR PAPERBOARD OR THE LIKE COMPRISING A MAJOR PROPORTION OF PARAFFIN WAX AND MINOR PROPORTIONS OF SOLID POLYETHYLENE AND MICROCRYSTALLINE WAX HAVING A MELTING POINT OF AT LEAST ABOUT 180* F., THE TOTAL AMOUNT OF SAID PARAFFIN WAX AND SAID MICROCRYSTALLINE WAX IN SAID COMPOSITION COMPRISING AT LEAST ABOUT 80% BY WEIGHT OF THE TOTAL WEIGHT OF THE COMPOSITION, THE PARAFFIN WAX BEING PRESENT IN AN AMOUNT CONSTITUTING AT LEAST ABOUT 90% BY WEIGHT OF THE TOTAL AMOUNT OF SAID MICROCRYSTALLINE WAX AND SAID PARAFFIN WAX, THE MICROCRYSTALLINE WAX BEING PRESENT IN AN AMOUNT SUFFICIENT TO COUNTERACT THE SCUFFING EFFECT OF SAID POLYETHYLENE BUT NOT EXCEEDING ABOUT 10% BY WEIGHT OF THE TOTAL AMOUNT OF SAID MICROCRYSTALLINE WAX AND SAID PARAFFIN WAX, AND THE POLYTHELENE BEING PRESENT IN AN AMOUNT SUFFICIENT TO COUNTERACT THE FRICTIONAL DRAG EFFECT OF SAID MICROCRYSTALLINE WAX.
Claim 2
Dependent Claim
149 words
A MODIFIED PARAFFIN WAX GREASE RESISTANT COATING COMPOSITION FOR PAPERBOARD OR THE LIKE COMPRISING A MAJOR PROPORTION OF PARAFFIN WAX AND MINOR PROPORTIONS OF SOLID POLYETHYLENE AND MICROCRYSTALLINE WAX HAVING A MELTING POINT OF AT LEAST ABOUT 180* F., THE TOTAL AMOUNT OF SAID PARAFFIN WAX AND SAID MICROCRYSTALLINE WAX IN SAID COMPOSITION COMPRISING AT LEAST ABOUT 80% BY WEIGHT OF THE TOTAL WEIGHT OF THE COMPOSITION, THE PARAFFIN WAX BEING PRESENT IN AN AMOUNT CONSTITUTING AT LEAST ABOUT 90% BY WEIGHT OF THE TOTAL AMOUNT OF SAID MICROCRYSTALLINE WAX AND SAID PARAFFIN WAX, THE MICROCRYSTALLINE WAX BEING PRESENT IN AN AMOUNT SUFFICIENT TO COUNTERACT THE SCUFFING EFFECT OF SAID POLYETHYLENE BUT NOT EXCEEDING ABOUT 10% BY WEIGHT OF THE TOTAL AMOUNT OF SAID MICROCRYSTALLINE WAX AND SAID PARAFFIN WAX, AND THE POLYTHELENE BEING PRESENT IN AN AMOUNT SUFFICIENT TO COUNTERACT THE FRICTIONAL DRAG EFFECT OF SAID MICROCRYSTALLINE WAX.
References Cited (Backward Citations)
US2612458A
Cited
US2560773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |