US3119784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propylene resin stabilized with a mixture of a para-tertiaryalkylphenolformaldehyde resin and an aminodithioformate
Assignee: Union Carbide Corp
•
Filing: 1960-01-05
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Granted: 1964-01-28
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Expires: 1980-01-05
Abstract
No abstract record available.
Inventors
- 👤 Bernard O Baum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/39; C08L; C08L23/00; C08L23/02; C08L23/10; C08L61/00; C08L61/04; C08L61/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROPYLENE RESIN COMPOSITION HAVING IMPROVED STABILITY TOWARD HEAT AND LIGHT INDUCED MOLECULAR DEGRADATION WHICH COMPRISES A NORMALLY SOLID PROPYLENE POLYMER CONTAINING AT LEAST 50 PERCENT BY WEIGHT OF PROPYLENE POLYMERIZED THEREIN, A STABILIZING AMOUNT OF AN A-STAGE PARA-TERTIARYALKYLPHENOL-FORMALDEHYDE RESIN IN WHICH THE ALKYL GROUP OF THE PARA-TERTIARYALKYLPHENOL CONTAINS FROM 4 TO 20 CARBON ATOMS, AND AN AMINODITHIOFORMATE HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
62 words
A PROPYLENE RESIN COMPOSITION HAVING IMPROVED STABILITY TOWARD HEAT AND LIGHT INDUCED MOLECULAR DEGRADATION WHICH COMPRISES A NORMALLY SOLID PROPYLENE POLYMER CONTAINING AT LEAST 50 PERCENT BY WEIGHT OF PROPYLENE POLYMERIZED THEREIN, A STABILIZING AMOUNT OF AN A-STAGE PARA-TERTIARYALKYLPHENOL-FORMALDEHYDE RESIN IN WHICH THE ALKYL GROUP OF THE PARA-TERTIARYALKYLPHENOL CONTAINS FROM 4 TO 20 CARBON ATOMS, AND AN AMINODITHIOFORMATE HAVING THE GENERAL FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |