Patent US2904467A successfully refreshed from Google Patents.
US2904467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood preservative grease
Assignee: Chapman Chemical Co
•
Filing: 1957-07-30
•
Granted: 1959-09-15
•
Expires: 1977-07-30
Abstract
No abstract record available.
Inventors
- 👤 Eldon A Behr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:31
CPC Classifications
A; A01; A01N; A01N31/00; A01N31/08; A01N31/10; A01N33/00; A01N33/02; A01N33/12; B; B27; B27K; B27K3/00; B27K3/34; B27K3/38; B27K3/40; B27K3/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A WOOD PRESERVATIVE COMPOSITION COMPRISING AT LEAST 2% OF PENTACHLOROPHENOL, 50% TO 95% OF A MINERAL OIL SOLVENT FOR THE PENTCHLOROPHENOL, AND A COMPOUND OF BENTONITE AND AN ORGANIC-NITROGEN BASE IN AN AMOUNT SUFFICIENT TO IMPART A GREASE-LIKE CONSISTENCY TO SAID 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
79 words
A WOOD PRESERVATIVE COMPOSITION COMPRISING AT LEAST 2% OF PENTACHLOROPHENOL, 50% TO 95% OF A MINERAL OIL SOLVENT FOR THE PENTCHLOROPHENOL, AND A COMPOUND OF BENTONITE AND AN ORGANIC-NITROGEN BASE IN AN AMOUNT SUFFICIENT TO IMPART A GREASE-LIKE CONSISTENCY TO SAID 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |