US3600408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid preservative composition which contains pentachlorophenol
Assignee: Frontier Chemical Co
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Filing: 1965-06-21
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Granted: 1971-08-17
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Expires: 1985-06-21
Abstract
Abstract THE SLUDGING TENDENCY OF SOLUTIONS OF PENTACHLOROPHENOL IN A LIQUID ORGANIC SOLVENT, SUCH AS AN ALKYLENE GLYCOL COMPOUND OR A HYDROCARBON SOLVENT, OR MIXTURE OF SUCH OR SIMILAR SOLVENTS, IS REDUCED BY T HE ADDITION OF AN ALIPHATIC CARBOXYLIC, AN ALKYL SULFURIC OR AN ALKYL SULFONIC ACID WHICH CONTAINS AT LEAST FIVE CARBON ATOMS PER MOLECULE.
Inventors
- 👤 Kenneth F Bursack
- 👤 Millard L Oldham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:06
CPC Classifications
A; A01; A01N; A01N31/00; A01N31/08; A01N31/10
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) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |