US3049471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preservative composition
Assignee: Chapman Chemical Co
•
Filing: 1959-01-07
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Granted: 1962-08-14
•
Expires: 1979-01-07
Abstract
No abstract record available.
Inventors
- 👤 Eldon A Behr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:42
CPC Classifications
A; A01; A01N; A01N31/00; A01N31/08; A01N31/10; B; B27; B27K; B27K3/00; B27K3/34; B27K3/38; B27K3/40; B27K3/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A WOOD PRESERVATIVE COMPOSITION COMPRISING AT LEAST 2% AND UP TO 30% OF PENTACHLOROPHENOL, 0.5% TO 20% OF AN ALKALINE INORGANIC ALKALI METAL SALT SELECTED FROM THE CLASS CONSISTING OF FLUORIDES, CARBONATES, BICARBONATES AND BORATES, 50% TO 95% OF AN ORGANIC LIQUID CARRIER FOR THE PENTACHLOROPHENOL CONSISTING ESSENTIALLY OF CREOSOTE AND AN AROMATIC PETROLEUM OIL, AND A COMPOUND OF BENTONITE AND AN ORGANIC NITROGEN BASE IN AN AMOUNT SUFFICIENT TO IMPART A GREASE-LIKE CONSISTENCY TO THE COMPOSITION, SAID COMPOUND BEING A COMPOUND OF BENTONITE WITH AN ORGANIC BASE OF SUFFICIENT ALKALINITY TO BE TITRATABLE WITH MINERAL ACIDS, WHICH COMPOUND IS MADE BY BRINGING TOGETHER BENTONITE AND SUCH ORGANIC BASE IN THE PRESENCE OF WATER.
Claim 2
Dependent Claim
114 words
A WOOD PRESERVATIVE COMPOSITION COMPRISING AT LEAST 2% AND UP TO 30% OF PENTACHLOROPHENOL, 0.5% TO 20% OF AN ALKALINE INORGANIC ALKALI METAL SALT SELECTED FROM THE CLASS CONSISTING OF FLUORIDES, CARBONATES, BICARBONATES AND BORATES, 50% TO 95% OF AN ORGANIC LIQUID CARRIER FOR THE PENTACHLOROPHENOL CONSISTING ESSENTIALLY OF CREOSOTE AND AN AROMATIC PETROLEUM OIL, AND A COMPOUND OF BENTONITE AND AN ORGANIC NITROGEN BASE IN AN AMOUNT SUFFICIENT TO IMPART A GREASE-LIKE CONSISTENCY TO THE COMPOSITION, SAID COMPOUND BEING A COMPOUND OF BENTONITE WITH AN ORGANIC BASE OF SUFFICIENT ALKALINITY TO BE TITRATABLE WITH MINERAL ACIDS, WHICH COMPOUND IS MADE BY BRINGING TOGETHER BENTONITE AND SUCH ORGANIC BASE IN THE PRESENCE OF WATER.
References Cited (Backward Citations)
CA523161A
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US1465603A
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US1544013A
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US2033856A
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US2904467A
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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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |