US2551087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethylene-wax laminating composition
Assignee: WESTFIELD RIVER PAPER Co
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Filing: 1945-11-03
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Granted: 1951-05-01
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Expires: 1965-11-03
Abstract
No abstract record available.
Inventors
- 👤 Philip S Barnhart
- 👤 John C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:20
CPC Classifications
F; F16; F16L; F16L58/00; F16L58/02; F16L58/04; F16L58/10; F16L58/1054; F16L58/1063; C; C09; C09J; C09J191/00; C09J191/06; C09J191/08; C08; C08L; C08L2666/00; C08L2666/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A LAMINATING CEMENT COMPRISING MICROCRYSTALLINE WAX, POLYETHYLENE, A RESIN COMPATIBLE WITH THE MIXTURE OF WAX AND POLYETHYLENE, AND A PLASTICIZER, SAID WAX BEING PRESENT IN FROM 6780% OF THE TOTAL, SAID POLYETHYLENE BEING PRESENT IN FROM 0.1 TO APPROXIMATELY 10% OF THE TOTAL, SAID RESIN BEING PRESENT IN FROM 20-25% OF THE TOTAL AND SAID PLASTICIZER BEING PRESENT IN FROM 8-10% OF THE TOTAL.
Claim 2
Dependent Claim
64 words
A LAMINATING CEMENT COMPRISING MICROCRYSTALLINE WAX, POLYETHYLENE, A RESIN COMPATIBLE WITH THE MIXTURE OF WAX AND POLYETHYLENE, AND A PLASTICIZER, SAID WAX BEING PRESENT IN FROM 6780% OF THE TOTAL, SAID POLYETHYLENE BEING PRESENT IN FROM 0.1 TO APPROXIMATELY 10% OF THE TOTAL, SAID RESIN BEING PRESENT IN FROM 20-25% OF THE TOTAL AND SAID PLASTICIZER BEING PRESENT IN FROM 8-10% OF THE TOTAL.
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) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |