US3256240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising a polyepoxide, a chloro-hydroxy hydrocarbon phosphate and anepoxy resin curing agent
Assignee: Union Carbide Corp
•
Filing: 1960-11-10
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Granted: 1966-06-14
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Expires: 1980-11-10
Abstract
No abstract record available.
Inventors
- 👤 Percy L Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:46
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/141; C07F9/1411; C07F9/09; C07F9/091; C08; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/145; C08G59/18; C08G59/40; C08G59/4007; C08G59/4071; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A CURABLE COMPOSITION COMPRISING (1) A VICINAL POLYEPOXIDE, (2) A PHOSPHORUS-CONTAINING COMPOUND REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
16 words
A CURABLE COMPOSITION COMPRISING (1) A VICINAL POLYEPOXIDE, (2) A PHOSPHORUS-CONTAINING COMPOUND REPRESENTED BY THE FORMULA:
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |