US3069369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color stabilized polyethylene compounds
Assignee: Monsanto Chemicals Ltd
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Filing: 1957-11-14
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Granted: 1962-12-18
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Expires: 1977-11-14
Abstract
No abstract record available.
Inventors
- 👤 Albert D Galbraith
- 👤 Daniel A Popielski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:10
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/09; C08K5/098; C08K5/49; C08K5/51; C08K5/52; C08K5/524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
A RESINOUS COMPOSITION COMPRISED ESSENTIALLY OF (1) 100 PARTS BY WEIGHT OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE AND POLYISOBYTYLENE, (2) FROM 0.1 TO 5.0 PARTS BY WEIGHT OF A STERICALLY HINDERED PHENOL SELECTED FROM THE GROUP CONSISTING OF PHENOLS, ALKYLENE-BIS PHENOLS AND THIO-BIS PHENOLS CONTAINING AT LEAST TWO RING-SUBSTITUTED HYDROCARBON GROUPS CONTAINING FROM 1-10 CARBON ATOMS, (3) FROM 0.2 TO 5.0 PARTS BY WEIGHT OF A TRIALKYL PHOSPHITE WHEREIN THE ALKYL GROUPS EACH CONTAIN FROM 1 TO 20 CARBON ATOMS, (4) FROM 0.02 TO 5.0 PARTS BY WEIGHT OF A METALLIC SALT OF A FATTY ACID CONTAINING FROM 4 TO 18 CARBON ATOMS WHEREIN THE METALLIC RADICAL IS SELECTED FROM THE GROUP CONSISTING OF ZINC, CADMIUM, MERCURIC AND MERCUROUS RADICALS, AND (5) FROM ZERO TO 5.0 PARTS BY WEIGHT OF A METALLIC SALT OF A FATTY ACID CONTAINING FROM 4 TO 18 CARBON ATOMS WHEREIN THE METALLIC RADICAL IS SELECTED FROM THE GROUP CONSISTING OF SODIUM, ALUMINUM, CALCIUM, MAGNESIUM AND STRONTIUM RADICALS AND MIXTURES THEREOF; THE TOTAL CONCENTRATION OF THE HEREIN SPECIFIED NON-RESINOUS COMPONENTS NON EXCEEDING 10 PARTS BY WEIGHT; SAID NON-RESINOUS COMPONENTS SYNERGISTICALLY COMBINING TO STABILIZE SAID POLYMER AGAINST DEGRADATION DUE TO HEAT AND LIGHT.
Claim 2
Dependent Claim
201 words
A RESINOUS COMPOSITION COMPRISED ESSENTIALLY OF (1) 100 PARTS BY WEIGHT OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE AND POLYISOBYTYLENE, (2) FROM 0.1 TO 5.0 PARTS BY WEIGHT OF A STERICALLY HINDERED PHENOL SELECTED FROM THE GROUP CONSISTING OF PHENOLS, ALKYLENE-BIS PHENOLS AND THIO-BIS PHENOLS CONTAINING AT LEAST TWO RING-SUBSTITUTED HYDROCARBON GROUPS CONTAINING FROM 1-10 CARBON ATOMS, (3) FROM 0.2 TO 5.0 PARTS BY WEIGHT OF A TRIALKYL PHOSPHITE WHEREIN THE ALKYL GROUPS EACH CONTAIN FROM 1 TO 20 CARBON ATOMS, (4) FROM 0.02 TO 5.0 PARTS BY WEIGHT OF A METALLIC SALT OF A FATTY ACID CONTAINING FROM 4 TO 18 CARBON ATOMS WHEREIN THE METALLIC RADICAL IS SELECTED FROM THE GROUP CONSISTING OF ZINC, CADMIUM, MERCURIC AND MERCUROUS RADICALS, AND (5) FROM ZERO TO 5.0 PARTS BY WEIGHT OF A METALLIC SALT OF A FATTY ACID CONTAINING FROM 4 TO 18 CARBON ATOMS WHEREIN THE METALLIC RADICAL IS SELECTED FROM THE GROUP CONSISTING OF SODIUM, ALUMINUM, CALCIUM, MAGNESIUM AND STRONTIUM RADICALS AND MIXTURES THEREOF; THE TOTAL CONCENTRATION OF THE HEREIN SPECIFIED NON-RESINOUS COMPONENTS NON EXCEEDING 10 PARTS BY WEIGHT; SAID NON-RESINOUS COMPONENTS SYNERGISTICALLY COMBINING TO STABILIZE SAID POLYMER AGAINST DEGRADATION DUE TO HEAT AND LIGHT.
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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |