Patent US3056802A successfully refreshed from Google Patents.
US3056802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-halo lactones
Assignee: Union Carbide Corp
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Filing: 1960-10-04
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Granted: 1962-10-02
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Expires: 1980-10-04
Abstract
No abstract record available.
Inventors
- 👤 Phillips Benjamin
- 👤 Jr Frederick C Frostick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:45
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/682; C08G63/6822
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
12 words
ALPHA-HALO-DELTA-ALKYL-EPSILON-CAPROLACTONE WHEREIN THE ALKYL MOIETY HAS FROM 1 TO 4 CARBON ATOMS.
References Cited (Backward Citations)
BE552726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |