Patent US2955945A successfully refreshed from Google Patents.
US2955945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostable wood preservative containing pentachlorophenol
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-12-29
•
Granted: 1960-10-11
•
Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Emond Robert Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:24
CPC Classifications
A; A01; A01N; A01N31/00; A01N31/08; A01N31/10; B; B27; B27K; B27K3/00; B27K3/34; B27K3/38; B27K3/40; B27K3/44; B27K3/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A THEROMOSTABLE WOOD PRESERVATIVE COMPOSITION COMPRISING IN COMBINATION 1 TO 18 WT. PERCENT PENTACHLOROPHENOL AND 82 TO 99 WT. PERCENT OF A PETROLEUMCOMPRISING CO-PRESERVATIVE CONTAINING 40 TO 80 WT. PERCENT OF A PHENOL EXTRACT FROM A PETROLEUM DISTILLATE, SAID EXTRACT BOILING IN THE RANGE OF ABOUT 900* TO 1175* F. AND HAVING AN AROMATIC CONTENT OF BETWEEN 50 AND 100 WT. PERCENT AND 20 TO 60 WT. PERCENT OF A PETROLEUM GAS OIL FRACTION BOILING IN THE RANGE OF ABOUT 390* TO 850*F.
Claim 2
Dependent Claim
83 words
A THEROMOSTABLE WOOD PRESERVATIVE COMPOSITION COMPRISING IN COMBINATION 1 TO 18 WT. PERCENT PENTACHLOROPHENOL AND 82 TO 99 WT. PERCENT OF A PETROLEUMCOMPRISING CO-PRESERVATIVE CONTAINING 40 TO 80 WT. PERCENT OF A PHENOL EXTRACT FROM A PETROLEUM DISTILLATE, SAID EXTRACT BOILING IN THE RANGE OF ABOUT 900* TO 1175* F. AND HAVING AN AROMATIC CONTENT OF BETWEEN 50 AND 100 WT. PERCENT AND 20 TO 60 WT. PERCENT OF A PETROLEUM GAS OIL FRACTION BOILING IN THE RANGE OF ABOUT 390* TO 850*F.
References Cited (Backward Citations)
US2182081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |