US2956979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising polyethylene and an alkylol amide
Assignee: Millennium Petrochemicals Inc
•
Filing: 1957-11-29
•
Granted: 1960-10-18
•
Expires: 1977-11-29
Abstract
No abstract record available.
Inventors
- 👤 Stanley P Rowland
- 👤 Braus Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:38
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A PLASTIC COMPOSITION COMPRISING POLYETHYLENE AND AN ALKYLOL AMIDE SELECTED FROM THE GROUP CONSISTING OF N-ETHANOL STEARAMIDE AND N-METHANOL STEARAMIDE, SAID ALKYLOL AMIDE BEING EMPLOYED IN AN AMOUNT OF FROM ABOUT 0.001 TO ABOUT 0.5% BASED ON THE WEIGHT OF THE POLYETHYLENE.
Claim 2
Dependent Claim
42 words
A PLASTIC COMPOSITION COMPRISING POLYETHYLENE AND AN ALKYLOL AMIDE SELECTED FROM THE GROUP CONSISTING OF N-ETHANOL STEARAMIDE AND N-METHANOL STEARAMIDE, SAID ALKYLOL AMIDE BEING EMPLOYED IN AN AMOUNT OF FROM ABOUT 0.001 TO ABOUT 0.5% BASED ON THE WEIGHT OF THE POLYETHYLENE.
References Cited (Backward Citations)
US2773852A
Cited
US2770609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |