US3577371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrilotriacetic acid alkyd resins
Assignee: Hooker Chemical Corp
•
Filing: 1967-11-13
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Granted: 1971-05-04
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Expires: 1987-11-13
Abstract
Abstract THERE ARE PROVIDED: NOVEL NITRILOTRIACETIC ACID ALKYD RESINS AND THEIR WATER SOLUBLE AMMONIUM OR AMINE SALTS HAVING UTILITY AS COATING COMPOSITIONS ON METAL.
Inventors
- 👤 Noel D Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:24
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |