US2947722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized polymeric oxetane molding compositions
Assignee: Hercules Powder Co
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Filing: 1954-08-17
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Granted: 1960-08-02
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Expires: 1974-08-17
Abstract
No abstract record available.
Inventors
- 👤 Boardman Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:19
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AS A NEW ARTICLE OF MANUFACTURE, A PELLETED PLASTIC MOLDING COMPOSITION ESSENTIALLY CONSISTING OF A MIXTURE OF A POLYMER OF THE GROUP CONSISTING OF HOMOPOLYMERS OF 3,3-BIS(CHLOROMETHYL)OXETANE AND COPOLYMERS OF 3,3BIS(CHLOROMETHYL)OXETANE WITH AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF 3,-DISUBSTITUTED OXETANES OTHER THAN 6,3-BIS(CHLOROMETHYL)OXETANE AND OXETANE, AND A PHENOLIC COMPOUND OF THE GROUP CONSISTING OF PHENOLS, ESTERS OF SAID PHENOLS, AND ETHERS OF SAID PHENOLS IN AN AMOUNT FROM ABVOUT 0.1% TO ABOUT 10% BY WEIGHT OF SAID POLYMER AS A HEAT AND LIGHT STABILIZER THEREFOR, SAID PHENOLS HAVING AT LEAST ONE SUBSTITUENT RADICAL OF THE GROUP CONSISTING OF ALKYL RADICALS HAVING AT LEAST 4 CARBON ATOMS, ARYL RADICALS, AND ARALKYL RADICALS, SAID POLYMER HAVING A SPECIFIC VISCOSITY OF AT LEAST ABOUT 0.3 WHEN MEASURED AS A 1% SOLUTION IN CYCLOHEXANONE AT 50* C.
Claim 2
Dependent Claim
136 words
AS A NEW ARTICLE OF MANUFACTURE, A PELLETED PLASTIC MOLDING COMPOSITION ESSENTIALLY CONSISTING OF A MIXTURE OF A POLYMER OF THE GROUP CONSISTING OF HOMOPOLYMERS OF 3,3-BIS(CHLOROMETHYL)OXETANE AND COPOLYMERS OF 3,3BIS(CHLOROMETHYL)OXETANE WITH AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF 3,-DISUBSTITUTED OXETANES OTHER THAN 6,3-BIS(CHLOROMETHYL)OXETANE AND OXETANE, AND A PHENOLIC COMPOUND OF THE GROUP CONSISTING OF PHENOLS, ESTERS OF SAID PHENOLS, AND ETHERS OF SAID PHENOLS IN AN AMOUNT FROM ABVOUT 0.1% TO ABOUT 10% BY WEIGHT OF SAID POLYMER AS A HEAT AND LIGHT STABILIZER THEREFOR, SAID PHENOLS HAVING AT LEAST ONE SUBSTITUENT RADICAL OF THE GROUP CONSISTING OF ALKYL RADICALS HAVING AT LEAST 4 CARBON ATOMS, ARYL RADICALS, AND ARALKYL RADICALS, SAID POLYMER HAVING A SPECIFIC VISCOSITY OF AT LEAST ABOUT 0.3 WHEN MEASURED AS A 1% SOLUTION IN CYCLOHEXANONE AT 50* C.
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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |