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Separation of metal compounds

Assignee: BP PLC
•
Filing: 1969-10-22
•
Granted: 1972-02-29
•
Expires: 1989-10-22
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Abstract

Abstract AN ORGANOMETALLIC COMPOUND OF A METAL OF GROUP VIII OR VII-A OR V-A OF THE PERIODIC TABLE ACCORDING TO MENDELEEF IN SEPARATED FROM A SOLUTION OF THE COMPOUND IN AN ORGANIC COMPONENT, BY BRINGING THE SOLUTION INTO CONTACT WITH ONE SIDE OF A SILICONE RUBBER MEMBRANE AT AN APPLIED PRESSURE GREATER THAN THE PRESSURE ON THE OPPOSITE SIDE OF THE MEMBRANE, THE PRESSURE DIFFERENTIAL BEING GREATER THAN THE OSMOTIC PRESSURE OF THE SYSTEM AND THE MOLECULAR CROSS SECTION OF THE ORGANOMETALLIC COM- POUND BEING GREATER THAN THAT OF THE ORGANIC COMPONENT AND COLLECTING AS A LIQUID THE ORGANIC COMPONENT WHICH PERMEATES THE MEMBRANE, THE PERMEATE HAVING A REDUCED CONTENT OF THE ORGANOMETALLIC COMPOUND.

Inventors

  • 👤 Alan Goldup
  • 👤 Michael Thomas Westaway
  • 👤 Geoffrey Walker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 22:23
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1805; B01J31/181; B01J31/1815; B01D; B01D61/00; B01D61/02; B01D61/025; B01J31/20; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/223; B01J31/2234; B01J31/24; B01J31/40; B01J31/4015; B01J31/4023; B01J31/4038; B01J31/4046; C; C07; C07C; C07C45/00; C07C45/49; C07C45/50; C07C45/78; C07C45/786; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/321; B01J2531/00; B01J2531/02; B01J2531/0238; B01J2531/0241; B01J2531/025; B01J2531/50; B01J2531/56; B01J2531/70; B01J2531/80; B01J2531/82; B01J2531/822; B01J2531/84; B01J2531/847; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-02-28 1975-08-30 1976-02-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-02-28 1979-08-30 1980-02-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-02-28 1983-08-30 1984-02-29 $7700.00 Window Closed / Lapsed

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