Patent US3667919A successfully refreshed from Google Patents.
US3667919A
Expired / Lapsed
US
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Sulfonation reactor head of improved adjustability
Assignee: Colgate Palmolive Co
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Filing: 1971-01-06
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Granted: 1972-06-06
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Expires: 1991-01-06
Abstract
Abstract A REACTOR HEAD FOR A SULFONATION REACTOR IN WHICH THE FEED GAP FOR THE INNER ORIFICE RING IS ADJUSTABLE AND THE FEED GAP FOR THE OUTER ORIFICE RING IS SEPARATELY ADJUSTABLE, THE ADJUSTING MECHANISMS FOR THE INNER AND OUTER RINGS ARE CALIBRATED SO THAT AN OPERATOR MAY AT ALL TIMES BE AWARE OF THE SIZE OF THE GAP. THE INNER AND OUTER GAPS MAY RANGE FROM ZERO GAP TO AS LARGE A GAP AS MAY BE DESIRED.
Inventors
- 👤 Rudolph E Denzler
- 👤 Charles F Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:04
CPC Classifications
C; C07; C07B; C07B45/00; C07B45/02; B; B01; B01J; B01J10/00; B01J10/02; B01J4/00; B01J4/001
Claims Analysis
Total Claims: 0
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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) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |