Patent US3317438A successfully refreshed from Google Patents.
US3317438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion process and catalytic contact material therefor
Assignee: Sinclair Research Inc
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Filing: 1965-01-21
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Granted: 1967-05-02
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Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Gordon R Engebretson
- 👤 Mooi John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:31
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/12; B01J21/20; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G47/00; C10G47/02; C10G47/04; C10G47/10; C10G47/12; C10G47/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A SOLID CONTACT MATERIAL CONSISTING ESSENTIALLY OF MODIFIED FELDSPAR OF THE GENERAL FORMULA LYMZALXSI4-XO8 WHERE L IS A CATION OF VALENCE W SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, BARIUM, STRONTIUM AND GROUP IIIB TYPE 4F RARE EARTH CATIONS, M IS A CATION OF VALENCE X SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM AND CALCIUM, X IS AN INTEGER OF 1-2, Y AND Z ARE FRACTIONAL VALUES SUCH THAT W(Y)+X(Z)=X AND Z IS NO GREATER THAN ABOUT 0.25, WHICH WHICH IS ASSOCIATED ABOUT 20-99% BY WEIGHT OF THE CONTACT MATERIAL OF SOLID SYNTHETIC GEL SELECTED FROM THE GROUP CONSISTING OF 5-80% ALUMINA, THE BALANCE ESSENTIALLY SILICA AND 10-80% MAGNESIA, THE BALANCE ESSENTIALLY SILICA.
Claim 2
Dependent Claim
114 words
A SOLID CONTACT MATERIAL CONSISTING ESSENTIALLY OF MODIFIED FELDSPAR OF THE GENERAL FORMULA LYMZALXSI4-XO8 WHERE L IS A CATION OF VALENCE W SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, BARIUM, STRONTIUM AND GROUP IIIB TYPE 4F RARE EARTH CATIONS, M IS A CATION OF VALENCE X SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM AND CALCIUM, X IS AN INTEGER OF 1-2, Y AND Z ARE FRACTIONAL VALUES SUCH THAT W(Y)+X(Z)=X AND Z IS NO GREATER THAN ABOUT 0.25, WHICH WHICH IS ASSOCIATED ABOUT 20-99% BY WEIGHT OF THE CONTACT MATERIAL OF SOLID SYNTHETIC GEL SELECTED FROM THE GROUP CONSISTING OF 5-80% ALUMINA, THE BALANCE ESSENTIALLY SILICA AND 10-80% MAGNESIA, THE BALANCE ESSENTIALLY SILICA.
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |