← Back to Patent Explorer
US3033778A Expired / Lapsed US ⏱️ 0.0 years remaining

Catalytic conversion in the presence of carbon dioxide promoted crystalline metal aluminosilicates

Assignee: ExxonMobil Oil Corp
•
Filing: 1958-11-07
•
Granted: 1962-05-08
•
Expires: 1978-11-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Vincent J Frilette

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 08:24
CPC Classifications
C; C10; C10G; C10G57/00; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/082; B01J29/70; C07; C07C; C07C1/00; C07C1/20; C07C1/24; C07C4/00; C07C4/02; C07C4/06; C07C5/00; C07C5/22; C07C5/2206; C07C5/222; C07C5/23; C07C5/25; C07C5/2506; C07C5/2518; C10G11/00; C10G11/02; C10G11/04; C10G11/05; C07C2521/00; C07C2521/12; C07C2529/00; C07C2529/04; C07C2529/06

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 123 words
A METHOD FOR TRANSFORMING ORGANIC COMPOUNDS, CATALYTICALLY CONVERTIBLE IN THE PRESENCE OF ACIDIC CATALYST SITES, WHICH COMPRISES PASSING THE SAME THROUGH A REACTION ZONE CONTAINING A CATALYST OF A CRYSTALLINE ALUMINOSILICATE SALT, MAINTAINED UNDER CONVERSION CONDITIONS, INTRODUCING INTO AND MAINTAINING DURING CONVERSION IN SAID REACTION ZONE A GAS CONSISTING ESSENTIALLY OF CARBON DIOXIDE PRESENT IN AN AMOUNT SUFICIENT TO EFFECTIVELY ENHANCE THE ACTIVITY OF SAID CATALYST, WHICH CATALYST HAS RIGID THREEDIMENSIONAL NETWORKS MADE UP OF UNIT CELLS CHARACTERIZED BY THE SUBSTANTIAL ABSENCE OF CHANGE IN UNIT CELL DIMENSIONS UPON DEHYDRATION AND REHYDRATION AND A SORPTION CAPACITY AT 760 MM. PRESSURE AND 25*C. OF AT LEAST 4 WEIGHT PERCENT OF NORMAL BUTANE AND COLLECTING THEE CATALYTICALLY TRRANSFORMED ORGANIC PRODUCT ISSUING FROM SAID REACTION ZONE.
Claim 2
Independent Claim 123 words
A METHOD FOR TRANSFORMING ORGANIC COMPOUNDS, CATALYTICALLY CONVERTIBLE IN THE PRESENCE OF ACIDIC CATALYST SITES, WHICH COMPRISES PASSING THE SAME THROUGH A REACTION ZONE CONTAINING A CATALYST OF A CRYSTALLINE ALUMINOSILICATE SALT, MAINTAINED UNDER CONVERSION CONDITIONS, INTRODUCING INTO AND MAINTAINING DURING CONVERSION IN SAID REACTION ZONE A GAS CONSISTING ESSENTIALLY OF CARBON DIOXIDE PRESENT IN AN AMOUNT SUFICIENT TO EFFECTIVELY ENHANCE THE ACTIVITY OF SAID CATALYST, WHICH CATALYST HAS RIGID THREEDIMENSIONAL NETWORKS MADE UP OF UNIT CELLS CHARACTERIZED BY THE SUBSTANTIAL ABSENCE OF CHANGE IN UNIT CELL DIMENSIONS UPON DEHYDRATION AND REHYDRATION AND A SORPTION CAPACITY AT 760 MM. PRESSURE AND 25*C. OF AT LEAST 4 WEIGHT PERCENT OF NORMAL BUTANE AND COLLECTING THEE CATALYTICALLY TRRANSFORMED ORGANIC PRODUCT ISSUING FROM SAID REACTION ZONE.

References Cited (Backward Citations)

US1914722A Cited
US2035189A Cited
US2217252A Cited
US2395274A Cited
US2495262A Cited
US2542488A Cited
US2617712A Cited
US2920122A Cited
US2921026A Cited
US2900430A Cited
US2904607A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-05-07 1965-11-06 1966-05-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-05-07 1969-11-06 1970-05-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-05-07 1973-11-06 1974-05-08 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag