US3256365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising polyethylene and oxidation products of polyethylene and articles thereof
Assignee: EIDP Inc
•
Filing: 1956-06-20
•
Granted: 1966-06-14
•
Expires: 1976-06-20
Abstract
No abstract record available.
Inventors
- 👤 Leon E Wolinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:42
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08F; C08F8/00; C08F8/50; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/06; C08L2205/00; C08L2205/03; C08L23/26; C08L23/30; C08L2666/00; C08L2666/02; C08L2666/04; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10S8/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A COMPOSITION OF MATTER COMPRISING A POLYETHYLENE RESIN HAVING A WEIGHT AVERAGE MOLECULAR WEIGHT OF 15,000 TO 3,000,000 AND 0.1%-10%, BASED ON THE WEIGHT OF SAID RESIN, OF THE OXIDATION PRODUCTS OF POLYETHYLENE, SAID OXIDATION PRODUCTS PREPARED BY THE OXIDATION OF POLYETHYLENE HAVING A WEIGHT AVERAGE MOLECULAR WEIGHT OF FROM 1,000 TO BELOW 5,000, SAID OXIDATION PRODUCTS HAVING A SOFTENING TEMPERATURE NO GREATER THAN THE LOWER TEMPERATURE OF THE CRYSTALLINE MELTING RANGE OF SAID RESIN, AN AVERAGE NORMAL BOILING TEMPERATURE ABOVE THE OPTICAL MELTING POINT OF SAID RESINS AND A MELT VISCOSITY LOWER THAN THAT OF SAID RESIN AT A TEMPERATURE ABOVE 110*C.
Claim 2
Dependent Claim
103 words
A COMPOSITION OF MATTER COMPRISING A POLYETHYLENE RESIN HAVING A WEIGHT AVERAGE MOLECULAR WEIGHT OF 15,000 TO 3,000,000 AND 0.1%-10%, BASED ON THE WEIGHT OF SAID RESIN, OF THE OXIDATION PRODUCTS OF POLYETHYLENE, SAID OXIDATION PRODUCTS PREPARED BY THE OXIDATION OF POLYETHYLENE HAVING A WEIGHT AVERAGE MOLECULAR WEIGHT OF FROM 1,000 TO BELOW 5,000, SAID OXIDATION PRODUCTS HAVING A SOFTENING TEMPERATURE NO GREATER THAN THE LOWER TEMPERATURE OF THE CRYSTALLINE MELTING RANGE OF SAID RESIN, AN AVERAGE NORMAL BOILING TEMPERATURE ABOVE THE OPTICAL MELTING POINT OF SAID RESINS AND A MELT VISCOSITY LOWER THAN THAT OF SAID RESIN AT A TEMPERATURE ABOVE 110*C.
References Cited (Backward Citations)
FR832174A
Cited
GB581279A
Cited
US2405977A
Cited
US2461975A
Cited
US2531408A
Cited
US2504270A
Cited
USRE24062E
Cited
US2700027A
Cited
US2698309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |