US3011979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of finely-divided metal dispersions in fluids
Assignee: Phillips Petroleum Co
•
Filing: 1959-04-24
•
Granted: 1961-12-05
•
Expires: 1979-04-24
Abstract
No abstract record available.
Inventors
- 👤 Paul F Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:34
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/0004; B01J13/0043; Y; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/921; Y10S585/922; Y10S585/924; Y10S585/949; Y10S585/955
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
AN APPARATUS FOR THE PREPARATION OF A FINELY-DIVIDED METAL DISPERSED IN A NON-SOLVENT FLUID MEDIUM FOR SAID METAL WHICH COMPRISES CONTAINER MEANS FOR CONTAINING SAID METAL IN VAPOROUS STATE, MEANS LOCATED BELOW SAID CONTAINER FOR VAPORIZING SAID METAL UPWARDLY INTO A LOWER SECTION OF SAID CONTAINER, MEANS FOR PASSING FLUID MEDIUM AT A TEMPERATURE BELOW THE VAPORIZATION TEMPERATURE OF THE METAL INTO AN UPPER SECTION OF SAID CONTAINER AS A SUBDIVIDED STREAM BLANKETING THE UPPER SECTION THEREOF, MEANS FOR INSULATING AGAINST PASSAGE OF HEAT FROM SAID MEANS FOR VAPORIZING SAID SAID METAL TO SAID CONTAINER, MEANS IN SAID CONTAINER FOR COLLECTING AND RECEIVING SAID METAL DISPERSED IN SAID MEDIUM, AND MEANS FOR REMOVING CONDENSED, FINELY-DIVIDED METAL DISPERSED IN SAID MEDIUM FROM SAID CONTAINER.
Claim 2
Independent Claim
123 words
AN APPARATUS FOR THE PREPARATION OF A FINELY-DIVIDED METAL DISPERSED IN A NON-SOLVENT FLUID MEDIUM FOR SAID METAL WHICH COMPRISES CONTAINER MEANS FOR CONTAINING SAID METAL IN VAPOROUS STATE, MEANS LOCATED BELOW SAID CONTAINER FOR VAPORIZING SAID METAL UPWARDLY INTO A LOWER SECTION OF SAID CONTAINER, MEANS FOR PASSING FLUID MEDIUM AT A TEMPERATURE BELOW THE VAPORIZATION TEMPERATURE OF THE METAL INTO AN UPPER SECTION OF SAID CONTAINER AS A SUBDIVIDED STREAM BLANKETING THE UPPER SECTION THEREOF, MEANS FOR INSULATING AGAINST PASSAGE OF HEAT FROM SAID MEANS FOR VAPORIZING SAID SAID METAL TO SAID CONTAINER, MEANS IN SAID CONTAINER FOR COLLECTING AND RECEIVING SAID METAL DISPERSED IN SAID MEDIUM, AND MEANS FOR REMOVING CONDENSED, FINELY-DIVIDED METAL DISPERSED IN SAID MEDIUM FROM SAID CONTAINER.
References Cited (Backward Citations)
US1647446A
Cited
US2631175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |