US2762775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wax and polyethylene for filter adhesives
Assignee: California Research LLC
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Filing: 1953-09-28
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Granted: 1956-09-11
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Expires: 1973-09-28
Abstract
No abstract record available.
Inventors
- 👤 Edward G Foehr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:43
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A FILLER ADHESIVE COMPOSITION COMPRISING A MAJOR PROPORTION OF A HYDROCARBON OIL AND FROM 4% TO 6%, BY WEIGHT, OF A MIXTURE OF WAX AND POLYMETHYLENE, WHEREIN THE MOLE RATIO OF WAX TO POLYETHYLENE HAS A VALUE FROM 2 TO 5, SAID WAX HAVING A MELTING POINT IN THE RANGE OF 90* C. TO 140* C., AND SAID POLYETHYLENE HAVING A MOLECULAR WEIGHT IN THE RANGE OF 10,000 TO 40,000.
Claim 2
Dependent Claim
70 words
A FILLER ADHESIVE COMPOSITION COMPRISING A MAJOR PROPORTION OF A HYDROCARBON OIL AND FROM 4% TO 6%, BY WEIGHT, OF A MIXTURE OF WAX AND POLYMETHYLENE, WHEREIN THE MOLE RATIO OF WAX TO POLYETHYLENE HAS A VALUE FROM 2 TO 5, SAID WAX HAVING A MELTING POINT IN THE RANGE OF 90* C. TO 140* C., AND SAID POLYETHYLENE HAVING A MOLECULAR WEIGHT IN THE RANGE OF 10,000 TO 40,000.
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) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |