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Patent US3524902A successfully refreshed from Google Patents.
US3524902A
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US
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Reaction product of polyester of a polyoxyalkylene ether of a dihydric phenol,and an unsaturated dicarboxylic acid with an epoxy compound and an unsaturated monomer
Assignee: Zeneca Inc
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Filing: 1967-06-02
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Granted: 1970-08-18
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Expires: 1987-06-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph Feltzin
- 👤 Frank T Sanderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:30
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/676; C08G63/02; C08G63/12; C08G63/52; C08G63/56; C08G63/58
Claims Analysis
Total Claims: 0
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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) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |