Patent US3611311A successfully refreshed from Google Patents.
US3200003A
Expired / Lapsed
US
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Process for impregnating wood with pentachlorophenol and composition therefor
Assignee: Beazer East Inc
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Filing: 1962-01-11
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Granted: 1965-08-10
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Expires: 1982-01-11
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Bescher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:16
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/02; B27K3/08; B27K3/0278; B27K3/34; B27K3/36; B27K3/38; B27K3/40; B27K5/00; B27K5/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A PROCESS FOR THE IMPREGNATION OF WOOD, THE STEPS COMPRISING ENCLOSING THE WOOD IN A HERMETICALLY SEALABLE TREATING CYLINDER; EVACUATING AIR FROM THE CYLINDER AFTER SEALING THEREOF; EQUALIZING THE PRESSURE BETWEEN SAID CYLINDER AND A PRESSURE STORAGE TANK CONTAINING A SOLUTION OF A LIQUIEFIED ALIPHATIC HYDROCARBON SELECTED FROM THE CLASS CONSISTING OR PROPANE, N-BUTANE, ISOBUTANE, N-PENTANE, ISOPENTANE, AND MIXTURES THEREOF, AND CONAINING PENTACHLOROPHENOL IN COMBINATION WITH AT LEAST ABOUT TWO PERCENT BASED ON SAID SOLUTION OF A COSOLVENT, DIFFERING IN TIS MOLECULAR STRUCTURE FROM SAID LIQUEFIED ALIPHATIC HYDROCARBON, HAVING LESS THAN $10 WATER SOLUBILITY, GREATER THAN 25% SOLUBILITY FOR THE PENTACHLOROPHENOL AND A SOLUBILITY IN SAID ALIPHATIC HYDROCARBON, WHEREBY SAID SOLUTION CONTAINS AT LEAST 2% PENTACHLOROPHENOL, AND THEREAFTER INTRODUCING THE ALIPHATIC HYDROCARBON AND COSOLVENT HAVING THE PENTACHLOROPHENOL IN THE
Claim 2
Dependent Claim
130 words
IN A PROCESS FOR THE IMPREGNATION OF WOOD, THE STEPS COMPRISING ENCLOSING THE WOOD IN A HERMETICALLY SEALABLE TREATING CYLINDER; EVACUATING AIR FROM THE CYLINDER AFTER SEALING THEREOF; EQUALIZING THE PRESSURE BETWEEN SAID CYLINDER AND A PRESSURE STORAGE TANK CONTAINING A SOLUTION OF A LIQUIEFIED ALIPHATIC HYDROCARBON SELECTED FROM THE CLASS CONSISTING OR PROPANE, N-BUTANE, ISOBUTANE, N-PENTANE, ISOPENTANE, AND MIXTURES THEREOF, AND CONAINING PENTACHLOROPHENOL IN COMBINATION WITH AT LEAST ABOUT TWO PERCENT BASED ON SAID SOLUTION OF A COSOLVENT, DIFFERING IN TIS MOLECULAR STRUCTURE FROM SAID LIQUEFIED ALIPHATIC HYDROCARBON, HAVING LESS THAN $10 WATER SOLUBILITY, GREATER THAN 25% SOLUBILITY FOR THE PENTACHLOROPHENOL AND A SOLUBILITY IN SAID ALIPHATIC HYDROCARBON, WHEREBY SAID SOLUTION CONTAINS AT LEAST 2% PENTACHLOROPHENOL, AND THEREAFTER INTRODUCING THE ALIPHATIC HYDROCARBON AND COSOLVENT HAVING THE PENTACHLOROPHENOL IN THE
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |