US3230266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of phloroglucinol
Assignee: Morton International LLC
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Filing: 1961-11-17
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Granted: 1966-01-18
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Expires: 1981-11-17
Abstract
No abstract record available.
Inventors
- 👤 Andrew A Baldoni
- 👤 Miyashiro James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:08
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/01; C07C37/045; C07C37/05; C07C37/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A PROCESS FOR PREPARING PHOLOROGLUCINOL WHICH COMPRISES REACTING A 1,2,3,5-TETRAHALOBENZENE WITH AQUEOUS AMMONIA IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF CUPROUS CHLORIDE, CUPROUS BROMIDE, CUPROUS IODIDE AND CUPROUS OXIDE, THEN ADJUSTING THE ACIDITY OF THE REACTION MIXTURE TO A PH OF NOT MORE THAN ABOUT 3, HEATING THE REACTION MIXTURE TO EFFECT HYDROLYSIS AND RECOVERING PHLOROGLUCINOL FROM THE HYDROLYSATE.
Claim 2
Dependent Claim
64 words
A PROCESS FOR PREPARING PHOLOROGLUCINOL WHICH COMPRISES REACTING A 1,2,3,5-TETRAHALOBENZENE WITH AQUEOUS AMMONIA IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF CUPROUS CHLORIDE, CUPROUS BROMIDE, CUPROUS IODIDE AND CUPROUS OXIDE, THEN ADJUSTING THE ACIDITY OF THE REACTION MIXTURE TO A PH OF NOT MORE THAN ABOUT 3, HEATING THE REACTION MIXTURE TO EFFECT HYDROLYSIS AND RECOVERING PHLOROGLUCINOL FROM THE HYDROLYSATE.
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |