Patent US1858733A successfully refreshed from Google Patents.
Patent US3231641A successfully refreshed from Google Patents.
US3231641A
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Method of pelleting pentachlorophenol
Assignee: Dow Chemical Co
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Filing: 1962-10-05
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Granted: 1966-01-25
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Expires: 1982-10-05
Abstract
No abstract record available.
Inventors
- 👤 Alvin M Edmunds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:51
CPC Classifications
B; B01; B01J; B01J2/00; B01J2/02; B01J2/06; C; C07; C07C; C07C39/00; C07C39/24; C07C39/26; C07C39/27; C07C39/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A METHOD OF FORMING SUBSTANTIALY SPHERICAL PELLETS OF PENTACHLOROPHENOL WHICH COMPRISES, INTRODUCING MOLTEN PENTACHLOROPHENOL DROPWISE INTO LIQUID WATER HAVING A TEMPERATURE OF FROM ABOUT ZERO TO ABOUT FIFTEEN DEGREES CENTIGRADE, AND REMOVING SUBSTANTIALLY SPHERICAL PENTACHLOROPHENOL PELLETS FROM SAID LIQUID WATER.
Claim 2
Independent Claim
40 words
A METHOD OF FORMING SUBSTANTIALY SPHERICAL PELLETS OF PENTACHLOROPHENOL WHICH COMPRISES, INTRODUCING MOLTEN PENTACHLOROPHENOL DROPWISE INTO LIQUID WATER HAVING A TEMPERATURE OF FROM ABOUT ZERO TO ABOUT FIFTEEN DEGREES CENTIGRADE, AND REMOVING SUBSTANTIALLY SPHERICAL PENTACHLOROPHENOL PELLETS FROM SAID LIQUID 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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |