US3284279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microcrystalline wax substitute
Assignee: Fort James Corp
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Filing: 1962-11-15
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Granted: 1966-11-08
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Expires: 1982-11-15
Abstract
No abstract record available.
Inventors
- 👤 George G Rumberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:37
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/06; C09D191/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808; Y10T428/31812; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A COMPOSITION SUITABLE FOR LAMINATING AND COATING SHEET MATERIALS CONSISTING ESSENTIALLY OF FROM ABOUT ONE TO ABOUT 20 PARTS BY WEIGHT OF CRYSTAINE HYDDROCARBON POLYMER HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 2,000 TO ABOUT 40,000 AND A DENSITY AT 20*C. OF FROM .910 TO .960, FROM TWO TO ABOUT 50 PARTS BY WEIGHT OF AN AMORPHOUS ATACTIC POLYPROPYLENE POLYMER HAIVING AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 2,000 TO ABOUT 100,000 AND A SOLID DENSITY AT 20*C. OF FROM .75 TO .89, AND FROM ABOUT 50 TO ABOUT 97 PERCENT OF A PARAFFINIC DISTILATE PETROLEUM WAX HAVING A MELTING POINT OF FROM 120*F. TO 200*F. COMPOSITION.
Claim 2
Dependent Claim
18 words
TWO SHEET MATERIAL, AT LEAST ONE OF WHICH IS CELLULOSIC, LAMINATED TOGETHER WITH THE COMPOSITION OF CLAIM 5.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |