US3275597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized polyolefin containing a mixed ester of a polyfunctional alcohol with a phenol carboxylic acid and an aliphatic carboxylic acid
Assignee: Hercules LLC
•
Filing: 1963-09-16
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Granted: 1966-09-27
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Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 Mauz Otto
- 👤 Prinz Eberhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:57
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/005; C08K5/04; C08K5/13; C08K5/134; C08K5/1345
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A SOLID POLYMER OF A MONOLEFIN CONTAINING AS A STABLIZIER FROM 0.05 TO 5% BY WEIGHT OF A MIXED ESTER OF A POLYFUNCTIONAL ALCOHOL HAVING 2 TO 6 HYDROXYL GROUPS WITH AT LEAST 2 DIFFERENT CARBOXYLIC ACIDS, 1 OF SAID ACIDS BEING A PHENOL MONOCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF GALLIC ACID, BIS-(D-HYDROXYPHENYL) ALKANOIC ACID, AND ALKYL SALICYLIC ACIDS, AND THE OTHER BEING AN ALIPHATIC MONOCARBOXYLIC ACID.
Claim 2
Dependent Claim
69 words
A SOLID POLYMER OF A MONOLEFIN CONTAINING AS A STABLIZIER FROM 0.05 TO 5% BY WEIGHT OF A MIXED ESTER OF A POLYFUNCTIONAL ALCOHOL HAVING 2 TO 6 HYDROXYL GROUPS WITH AT LEAST 2 DIFFERENT CARBOXYLIC ACIDS, 1 OF SAID ACIDS BEING A PHENOL MONOCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF GALLIC ACID, BIS-(D-HYDROXYPHENYL) ALKANOIC ACID, AND ALKYL SALICYLIC ACIDS, AND THE OTHER BEING AN ALIPHATIC MONOCARBOXYLIC ACID.
References Cited (Backward Citations)
US2891089A
Cited
US2865954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |