US2813101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized insect repellent composition
Assignee: Phillips Petroleum Co
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Filing: 1955-10-14
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Granted: 1957-11-12
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Expires: 1975-10-14
Abstract
No abstract record available.
Inventors
- 👤 Lyle D Goodhue
- 👤 Kenneth E Cantrel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:06
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/79
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
AN INSECT REPELLENT COMPOSITION CONTAINING AS AN ESSENTIAL ACTIVE INGREDIENT DI-N-ALKYL ESTER OF A DICARBOXYLIC ACID OF PYRIDINE WHEREIN THE ALKYL GROUPS EACH CONTAIN FROM 2 TO 4 CARBON ATOMS WHICH COMPRISES ADDING THERETO A COMPOUNF HAVING THE FORMULA
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) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |