US2938879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-blocking polyethylene compositions
Assignee: Union Carbide Corp
•
Filing: 1955-10-18
•
Granted: 1960-05-31
•
Expires: 1975-10-18
Abstract
No abstract record available.
Inventors
- 👤 Henry W Mock
- 👤 Walter A Haine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:07
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K5/18; C08K5/20; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A COMPOSITION COMPRISING A NORMALLY SOLID POLYMER OF ETHYLENE, FROM 0.005 PERCENT TO ABOUT 1.25 PERCENT WEIGHT OF AN AMIDE OF A WATER-INSOLUBLE ALIPHATIC MONOCARBOXYLIC ACID HAVING FROM 10 TO 22, INCLUSIVE, CARBON ATOMS IN THE MOLECULE AND FROM 0.003 PERCENT TO ABOUT 2 PERCENT BY WEIGHT OF AN ANTI-OXIDANT FOR POLYETHYLENE SELECTED FROM THE GROUP CONSISTING OF 2-6-DITERT-BUTYL-4 METHYL PHENOL, WHEREIN THE PHENOLIC PROPERTIES OF THE PHENOLIC HYDROXYL GROUP ARE NODIFIED BY THE PRESENCE OF THE ALKYL GROUPS ON THE PHENOLIC RING, AND SECONDARY AROMATIC AMINES CHARACTERIZED BY THE FORMULA
Claim 2
Dependent Claim
91 words
A COMPOSITION COMPRISING A NORMALLY SOLID POLYMER OF ETHYLENE, FROM 0.005 PERCENT TO ABOUT 1.25 PERCENT WEIGHT OF AN AMIDE OF A WATER-INSOLUBLE ALIPHATIC MONOCARBOXYLIC ACID HAVING FROM 10 TO 22, INCLUSIVE, CARBON ATOMS IN THE MOLECULE AND FROM 0.003 PERCENT TO ABOUT 2 PERCENT BY WEIGHT OF AN ANTI-OXIDANT FOR POLYETHYLENE SELECTED FROM THE GROUP CONSISTING OF 2-6-DITERT-BUTYL-4 METHYL PHENOL, WHEREIN THE PHENOLIC PROPERTIES OF THE PHENOLIC HYDROXYL GROUP ARE NODIFIED BY THE PRESENCE OF THE ALKYL GROUPS ON THE PHENOLIC RING, AND SECONDARY AROMATIC AMINES CHARACTERIZED BY THE FORMULA
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) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |