US3013985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Group ib metal catalysts
Assignee: Union Carbide Corp
•
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
- 👤 Donald W Breck
- 👤 Robert M Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:39
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
AS A NEW COMPOSITION OF MATTER, A DEHYDRATED RIGID THREE DIMENSIONAL CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SIEVE TYPE, SUCH ZEOLITE BEING CAPABLE OF ADSORBING OXYGEN INTERNALLY AT THE NORMAL BOILING POINT OF OXYGEN, CONTAINING AT LEAST ONE ELEMENTAL METAL SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER AND GOLD IN THE INNER ADSORPTION AREA OF SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE.
Claim 2
Dependent Claim
62 words
AS A NEW COMPOSITION OF MATTER, A DEHYDRATED RIGID THREE DIMENSIONAL CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE OF THE MOLECULAR SIEVE TYPE, SUCH ZEOLITE BEING CAPABLE OF ADSORBING OXYGEN INTERNALLY AT THE NORMAL BOILING POINT OF OXYGEN, CONTAINING AT LEAST ONE ELEMENTAL METAL SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER AND GOLD IN THE INNER ADSORPTION AREA OF SAID CRYSTALLINE METAL ALUMINOSILICATE ZEOLITE.
References Cited (Backward Citations)
US1840450A
Cited
US2306610A
Cited
US2413134A
Cited
US2617712A
Cited
US2882244A
Cited
US2882243A
Cited
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 |