US3135785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Di(pentaerythritol trimonocarboxylate) alkylene dicarboxylate
Assignee: Hercules Powder Co
•
Filing: 1956-12-19
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Granted: 1964-06-02
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Expires: 1976-12-19
Abstract
No abstract record available.
Inventors
- 👤 Fred A Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:42
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/11; C07; C07C; C07C69/00; C07C69/34; C07C69/44; C07C69/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
15 words
A COMPOSITION USEFUL AS A PLASTICIZER FOR SYNTHETIC RESINS COMPRISING AN ESTER HAVING THE FORMULA:
Claim 2
Dependent Claim
15 words
A COMPOSITION USEFUL AS A PLASTICIZER FOR SYNTHETIC RESINS COMPRISING AN ESTER HAVING THE FORMULA:
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |