US3114692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation process
Assignee: Corning Glass Works
•
Filing: 1961-04-27
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Granted: 1963-12-17
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Expires: 1981-04-27
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Macdonell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:09
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/28; B01J20/28054; B01J20/28078; B01J20/28083; B01J20/281; B01J20/282; B01J20/283; G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44704; G01N30/00; G01N30/90; G01N30/92; G01N30/93; B01J2220/00; B01J2220/50; B01J2220/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A SEPARATION METHOD COMPRISING THE STEPS OF PROVIDING A PIECE OF KPOROUS GLASS HAVING A CONTINUOUS SYSTEM OF INTERCOMMUNICATING VOID SPACES HAVING DIAMETERS VARYING WITHIN THE RANGE APPROXIMATELY 20-100 ANGSTROM UNITS, MAINTAINING IN CONTACT WITH A PROUS SURFACE OF SAID POROUS GLASS A SUBSTANCE COMPRISING AT LEAST TWO COMPONENTS WHICH ARE SOLUBLE IN A LIQUID, WHICH KSEPARATE FROM ONE ANOTHER IN SOLUTION AND WHICH DIFFUSE THROUGH SAID PROUS GLASS AT DIFFERING RATES, SUPPLYING TO SAID POROUS GLASS THROUGH A PREVIOUS SURFACE THEREOF A LIQUID IN WHICH SAID SUBSTANCE IN AND MAINTAINING AND HEART IS SAID POROUS GLASS UNTIL SAID SUBSTANCE SEPARATES INTO SAID COMPONENTS.
Claim 2
Dependent Claim
104 words
A SEPARATION METHOD COMPRISING THE STEPS OF PROVIDING A PIECE OF KPOROUS GLASS HAVING A CONTINUOUS SYSTEM OF INTERCOMMUNICATING VOID SPACES HAVING DIAMETERS VARYING WITHIN THE RANGE APPROXIMATELY 20-100 ANGSTROM UNITS, MAINTAINING IN CONTACT WITH A PROUS SURFACE OF SAID POROUS GLASS A SUBSTANCE COMPRISING AT LEAST TWO COMPONENTS WHICH ARE SOLUBLE IN A LIQUID, WHICH KSEPARATE FROM ONE ANOTHER IN SOLUTION AND WHICH DIFFUSE THROUGH SAID PROUS GLASS AT DIFFERING RATES, SUPPLYING TO SAID POROUS GLASS THROUGH A PREVIOUS SURFACE THEREOF A LIQUID IN WHICH SAID SUBSTANCE IN AND MAINTAINING AND HEART IS SAID POROUS GLASS UNTIL SAID SUBSTANCE SEPARATES INTO SAID COMPONENTS.
References Cited (Backward Citations)
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Cited
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US2723756A
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US2897126A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |