US3107265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of ethers of p-nitrosophenol
Assignee: Hercules Powder Co
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Filing: 1960-03-28
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Granted: 1963-10-15
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Expires: 1980-03-28
Abstract
No abstract record available.
Inventors
- 👤 Butts Edward H De
- 👤 John T Hays
- 👤 Herbert L Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:29
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/04; C07D307/10; C07D307/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS WHICH COMPRISES REACTING P-NITROSOPHENOL WITH AN ALCOHOL TO FORM A P-NITROSOPHENYL ETHER IN THE PRESENCE OF AN ACID AS A CATALYST THEREFOR, BY ADMIXING SAID P-NITROSOPHENOL WITH SAID ALCOHOL AND SAID ACID IN A MOLE RATIO OF SAID ALCOHOL TO SAID P-NITROSOPHENOL WITHIN THE RANGE OF FROM 1:1 TO 100:1 AND IN A MOLE RATIO OF SAID ACID TO SAID P-NITROSOPHENOL WITHIN THE RANGE OF FROM 0.005:1 TO 1:1 HEATING THE RESULTING ADMIXTURE AT A TEMPERATURE WITHIN THE RANGE OF FROM 0-150*C. FOR A PERIOD OF FROM 2-500 MINUTES, AND RECOVERING SAID PNITROSOPHENYL ETHER AS PRODUCT OF THE PROCESS; AND SAID ALCOHOL BEING CHARACTERIZED BY THE STRUCTURE FORMULA
Claim 2
Dependent Claim
110 words
A PROCESS WHICH COMPRISES REACTING P-NITROSOPHENOL WITH AN ALCOHOL TO FORM A P-NITROSOPHENYL ETHER IN THE PRESENCE OF AN ACID AS A CATALYST THEREFOR, BY ADMIXING SAID P-NITROSOPHENOL WITH SAID ALCOHOL AND SAID ACID IN A MOLE RATIO OF SAID ALCOHOL TO SAID P-NITROSOPHENOL WITHIN THE RANGE OF FROM 1:1 TO 100:1 AND IN A MOLE RATIO OF SAID ACID TO SAID P-NITROSOPHENOL WITHIN THE RANGE OF FROM 0.005:1 TO 1:1 HEATING THE RESULTING ADMIXTURE AT A TEMPERATURE WITHIN THE RANGE OF FROM 0-150*C. FOR A PERIOD OF FROM 2-500 MINUTES, AND RECOVERING SAID PNITROSOPHENYL ETHER AS PRODUCT OF THE PROCESS; AND SAID ALCOHOL BEING CHARACTERIZED BY THE STRUCTURE FORMULA
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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |