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USRE28341E Expired / Lapsed US ⏱️ 0.0 years remaining

Marshall dann

Assignee: —
•
Filing: 1969-03-04
•
Granted: 1975-02-18
•
Expires: 1989-03-04
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Abstract

Abstract 2. A CRYSTALLINE SYNTHETIC CATALYST MATERIAL HAVING THE COMPOSITION: ((X/N)M(1 +OR- 0.1-X)H)ALO2.YSIO2.WH2O WHERE X IS LESSS THAN 1, Y IS GREATER THAN 5 BUT LESS THAN 100, W IS UP TO ABOUT 4, M IS A METAL, AND N IS THE VALENCE OF M, SAID MATERIAL BEING CHARACTERIZED BY AN X-RAY POWDER DIFFRACTION PATTERN ESSENTIALLY THE SAME AS THAT SHOWN IN TABLE 4. 15. IN A PROCESS FOR CONDUCTING IN THE PRESENCE OF A SOLID POROUS CATALYST A HYDROCARBON CONVERSION REACTION CHARACTERIZED BY A HEAT OF REACTION NOT LESS THAN ZERO, THE IMPROVEMENT WHICH COMPRISES CONTACTING CHARGE HYDROCARBONS FOR SAID REACTION AT CONVERSION CONDITIONS WITH A CRYSTALLINE ALUMINOSILICATE CATALYST AT LEAST PARTIALLY IN THE HYDROGEN FORM RESULTING FROM TREATMENT OF THE ZEOLITE DEFINED IN CLAIM 2 WITH A FLUID MEDIUM CONTAINING IONS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN IONS AMMONIUM IONS.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 18:23
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/70; B01J29/7007; B01J29/7049; B01J29/7057; C; C01; C01B; C01B39/00; C01B39/02; C01B39/46; C01B39/48

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 62 words
A CRYSTALLINE SYNTHETIC CATALYST MATERIAL HAVING THE COMPOSITION: ((X/N)M(1 +OR- 0.1-X)H)ALO2.YSIO2.WH2O WHERE X IS LESSS THAN 1, Y IS GREATER THAN 5 BUT LESS THAN 100, W IS UP TO ABOUT 4, M IS A METAL, AND N IS THE VALENCE OF M, SAID MATERIAL BEING CHARACTERIZED BY AN X-RAY POWDER DIFFRACTION PATTERN ESSENTIALLY THE SAME AS THAT SHOWN IN TABLE 4.
Claim 2
Dependent Claim 78 words
IN A PROCESS FOR CONDUCTING IN THE PRESENCE OF A SOLID POROUS CATALYST A HYDROCARBON CONVERSION REACTION CHARACTERIZED BY A HEAT OF REACTION NOT LESS THAN ZERO, THE IMPROVEMENT WHICH COMPRISES CONTACTING CHARGE HYDROCARBONS FOR SAID REACTION AT CONVERSION CONDITIONS WITH A CRYSTALLINE ALUMINOSILICATE CATALYST AT LEAST PARTIALLY IN THE HYDROGEN FORM RESULTING FROM TREATMENT OF THE ZEOLITE DEFINED IN CLAIM 2 WITH A FLUID MEDIUM CONTAINING IONS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN IONS AMMONIUM IONS.

References Cited (Backward Citations)

US3140251A Cited
US3140253A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-02-17 1978-08-19 1979-02-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-02-17 1982-08-19 1983-02-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-02-17 1986-08-19 1987-02-18 $7700.00 Window Closed / Lapsed

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