US3012050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clay treatment
Assignee: TE Connectivity Corp
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Filing: 1958-07-18
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Granted: 1961-12-05
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Expires: 1978-07-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Fox
- 👤 George T Kerr
- 👤 Richard H Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:51
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
THE METHOD OF REPLACING THE NATURALLY OCCURRING EXCHANGEABLE CATIONS IN AN EXPANDING LATTICE CLAY COMPRISING THE STEPS OF, CONTACTING A DISPERSION OF SAID CLAY WITH A CATION EXCHANGE MATERIAL CONTAINING INTERMEDIATE EXCHANGEABLE CATIONS WHICH ARE VOLATILE AT A GIVE TEMPERATURE IN THE PRESENCE OF A STRONG BASE, SAID INTERMEDIATE EXCHANGEABLE CATIONS BEING SELECTED FROM THE GROUP CONSISTING OF AMMONIUM IONS AND SUBSTITUTED AMMONIUM IONS, THEREBY TO REPLACE THE NATURALLY OCCURING EXCHANGEABLE CATIONS IN SAID CLAY BY CATIONS SELECTED FROM SAID GROUP, AND SUBSEQUENTLY CONTACTING SAID CLAY WITH A BASIC SOLUTION CONTAINING AN AMINE WHICH IS NON-VOLATILE AT SAID GIVEN TEMPERATURE THEREBY TO REPLACE SAID INTERMEDIATE CATIONS WITH CATIONS DERIVED FROM SAID AMINE WHILE ELIMINATING SAID INTERMEDIATE CATIONS SELECTED FROM SAID GROUP AS A GAS.
Claim 2
Independent Claim
124 words
THE METHOD OF REPLACING THE NATURALLY OCCURRING EXCHANGEABLE CATIONS IN AN EXPANDING LATTICE CLAY COMPRISING THE STEPS OF, CONTACTING A DISPERSION OF SAID CLAY WITH A CATION EXCHANGE MATERIAL CONTAINING INTERMEDIATE EXCHANGEABLE CATIONS WHICH ARE VOLATILE AT A GIVE TEMPERATURE IN THE PRESENCE OF A STRONG BASE, SAID INTERMEDIATE EXCHANGEABLE CATIONS BEING SELECTED FROM THE GROUP CONSISTING OF AMMONIUM IONS AND SUBSTITUTED AMMONIUM IONS, THEREBY TO REPLACE THE NATURALLY OCCURING EXCHANGEABLE CATIONS IN SAID CLAY BY CATIONS SELECTED FROM SAID GROUP, AND SUBSEQUENTLY CONTACTING SAID CLAY WITH A BASIC SOLUTION CONTAINING AN AMINE WHICH IS NON-VOLATILE AT SAID GIVEN TEMPERATURE THEREBY TO REPLACE SAID INTERMEDIATE CATIONS WITH CATIONS DERIVED FROM SAID AMINE WHILE ELIMINATING SAID INTERMEDIATE CATIONS SELECTED FROM SAID GROUP AS A GAS.
References Cited (Backward Citations)
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 |