Patent US3800945A successfully refreshed from Google Patents.
US3800945A
Expired / Lapsed
US
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Cell having catalytic action for coalescing oil droplets
Assignee: Cata-Sep Inc
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Filing: 1971-11-26
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Granted: 1974-04-02
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Expires: 1991-11-26
Abstract
Abstract A cell having catalytic action for coalescing oil droplets dispersed in a water emulsion including a perforated core into which the emulsion is injected, a layer of emulsion breaking fibrous material wound about the core through which the emulsion passes, and catalytic material in the form of small solid particles impregnated in the fibrous material. The invention also includes the method of coalescing oil droplets dispersed in a water emuslion including the steps of passing an emulsion through a fibrous material impregnated with small solid particles of catalytic material.
Inventors
- 👤 L Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:28
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/06; B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/045; B01D17/06; B01J; B01J35/00; B01J35/50; B01J35/58; Y; Y10; Y10S; Y10S210/00; Y10S210/05
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
45 words
A cell for coalescing oil droplets dispersed in a water emulsion according to claim 1 wherein said layer of emulsion breaking fibrous material includes a plurality of layers of such material having varying densities, said catalysts being dispersed in at least one of said layers.
Claim 2
Independent Claim
88 words
A method of coalescing oil droplets dispersed in a water emulsion comprising passing the emulsion through a medium of fibrous materials impregnated with solid, bare particles loosely dispersed in the fibrous material, the fibrous materials being selected from the class consisting of glass fibers, polyester fibers, acrylic fibers, modacrylic fibers, and mixtures of such fibers, and a catalyst of small solid, bare particles being selected from the class consisting of diatomaceous earth, asbestos particles, and silica particles, the size of the particles being between 10 and 150 microns.
Claim 3
Dependent Claim
71 words
A cell for coalescing oil droplets dispersed in a water emulsion, comprising: an elongated perforated tube core into which the emulsion is injected; a layer of emulsion breaking polyester fibrous materials wound about said core through which the emulsion is forced to pass; and a catalyst of small, solid, bare particles of diatomaceous earth loosely impregnated into the fibrous materials, the size of the particles being between 10 and 150 microns.
References Cited (Backward Citations)
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Cited
US2395301A
Cited
US2517753A
Cited
US3034981A
Cited
US3142612A
Cited
US3266973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |