US3448084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyesters from tris(2-hydroxyethyl) isocyanurate
Assignee: Chevron USA Inc
•
Filing: 1964-06-10
•
Granted: 1969-06-03
•
Expires: 1984-06-10
Abstract
No abstract record available.
Inventors
- 👤 Donald L Burdick
- 👤 William C Francis
- 👤 Joseph W Jones Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:09
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/685; C08G63/6854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A POLYMERIC ESTER OF A MIXTURE CONSISTING OF TRIS (2-HYDROXYETHYL) ISOCYANURATE, PROPYLENE GLYCOL AND ADIPIC ACID.
Claim 2
Dependent Claim
16 words
A POLYMERIC ESTER OF A MIXTURE CONSISTING OF TRIS (2-HYDROXYETHYL) ISOCYANURATE, PROPYLENE GLYCOL AND ADIPIC ACID.
References Cited (Backward Citations)
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US2894950A
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US3037979A
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US3075979A
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US2706194A
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US2809942A
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US2934525A
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US2971024A
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US3235553A
Cited
US3211585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |