US3013987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal loading of molecular sieves
Assignee: Union Carbide Corp
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Filing: 1958-09-24
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Granted: 1961-12-19
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Expires: 1978-09-24
Abstract
No abstract record available.
Inventors
- 👤 Charles R Castor
- 👤 Robert M Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:19
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/061; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J20/186; B01J23/00; B01J23/70; B01J37/00; B01J37/02; B01J37/0201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PROCESS FOR INTRODUCING ELEMENTAL TITANIUM METAL INTO THE INTERNAL ADSORPTION REGION OF RIGID THREE-DIMENSIONAL CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SIEVE TYPE WHICH COMPRISES INTIMATELY CONTACTING A DEHYDRATED, RIGID THREE-DIMENSIONAL CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SIEVE TYPE WITH AT LEAST ONE VOLATILE HALIDE OF TITANIUM WHEREBY SAID VOLATILE HALIDE IS ADSORBED INTO THE INNER ADSORPTION REGION OF SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE, SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE BEING CAPABLE OF ADSORBING BENZENE INTERNALLY, AND INTRODUCING A REDUCING AGENT INTO THE INNER ADSORPTION REGION OF SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE WHEREBY SAID VOLATILE HALIDE IS REDUCED TO THE ELEMENTAL TITANIUM METAL.
Claim 2
Dependent Claim
104 words
A PROCESS FOR INTRODUCING ELEMENTAL TITANIUM METAL INTO THE INTERNAL ADSORPTION REGION OF RIGID THREE-DIMENSIONAL CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SIEVE TYPE WHICH COMPRISES INTIMATELY CONTACTING A DEHYDRATED, RIGID THREE-DIMENSIONAL CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SIEVE TYPE WITH AT LEAST ONE VOLATILE HALIDE OF TITANIUM WHEREBY SAID VOLATILE HALIDE IS ADSORBED INTO THE INNER ADSORPTION REGION OF SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE, SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE BEING CAPABLE OF ADSORBING BENZENE INTERNALLY, AND INTRODUCING A REDUCING AGENT INTO THE INNER ADSORPTION REGION OF SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE WHEREBY SAID VOLATILE HALIDE IS REDUCED TO THE ELEMENTAL TITANIUM METAL.
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) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |