US3245978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crosslinking polyethylene with aluminum compound
Assignee: WR Grace and Co
•
Filing: 1964-04-02
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Granted: 1966-04-12
•
Expires: 1984-04-02
Abstract
No abstract record available.
Inventors
- 👤 Razmic S Gregorian
- 👤 Frank A Mirabile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:28
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; Y; Y10; Y10S; Y10S8/00; Y10S8/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
COMPOSITION USEFUL IN THE PRODUCTI OF CROSSLINKED POLYETHYLENE ON EXPOSURE TO FREE OXYGEN CONSISTING ESSENTIALLY OF POLYETHYLENE AND 0.0010 TO 0.10 MOLES PER 100 GRAMS OF POLYETHYLENE OF AN ALUMINUM COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
34 words
COMPOSITION USEFUL IN THE PRODUCTI OF CROSSLINKED POLYETHYLENE ON EXPOSURE TO FREE OXYGEN CONSISTING ESSENTIALLY OF POLYETHYLENE AND 0.0010 TO 0.10 MOLES PER 100 GRAMS OF POLYETHYLENE OF AN ALUMINUM COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |