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US3131164A
Expired / Lapsed
US
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Polymer compositions stabilized with boron compounds
Assignee: Shell USA Inc
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Filing: 1960-07-29
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Granted: 1964-04-28
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Expires: 1980-07-29
Abstract
No abstract record available.
Inventors
- 👤 Marshall E Doyle
- 👤 Gunter S Jaffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:13
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A COMPOSITION COMPRISING A NORMALLY SOLID POLYMER SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF AN ALPHA-MONOOLEFIN AND COPOLYMERS OF MIXTURES OF ALPHA-MONOOLEFINS WITH EACH OTHER, HAVING INCORPORATED THEREIN A STABILIZING AMOUNT OF AN ORGANO-BORON COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) ESTERS OF OXY-ACIDS OF BORON CONTAINING AS SUBSTITUENTS ONLY HYDROCARBON RADICALS, SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ARALKYL, ARYL, AND ALKARYL, (B) BORONIC ACIDS CONTAINING AS SUBSTITUENTS ONLY HYDROCARBON RADICALS SELECTED FROM THE GROUP CONSISTING OF ALKYL AND ARYL AND (C) BORINIC ACIDS CONTAINING AS SUBSTITUENTS ONLY HYDROCARBON RADICALS SELECTED FROM THE GROUP CONSISTING OF ALKYL AND ARYL, WHEREIN AT LEAST ONE OF THE SAID HYDROCARBON RADICALS OF THE ORGANO-BORON COMPOUND CONTAINS NOT LESS THAN SIX CARBON ATOMS.
Claim 2
Dependent Claim
123 words
A COMPOSITION COMPRISING A NORMALLY SOLID POLYMER SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF AN ALPHA-MONOOLEFIN AND COPOLYMERS OF MIXTURES OF ALPHA-MONOOLEFINS WITH EACH OTHER, HAVING INCORPORATED THEREIN A STABILIZING AMOUNT OF AN ORGANO-BORON COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) ESTERS OF OXY-ACIDS OF BORON CONTAINING AS SUBSTITUENTS ONLY HYDROCARBON RADICALS, SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, ARALKYL, ARYL, AND ALKARYL, (B) BORONIC ACIDS CONTAINING AS SUBSTITUENTS ONLY HYDROCARBON RADICALS SELECTED FROM THE GROUP CONSISTING OF ALKYL AND ARYL AND (C) BORINIC ACIDS CONTAINING AS SUBSTITUENTS ONLY HYDROCARBON RADICALS SELECTED FROM THE GROUP CONSISTING OF ALKYL AND ARYL, WHEREIN AT LEAST ONE OF THE SAID HYDROCARBON RADICALS OF THE ORGANO-BORON COMPOUND CONTAINS NOT LESS THAN SIX CARBON ATOMS.
References Cited (Backward Citations)
US2526506A
Cited
US2617783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |