← Back to Patent Explorer
US4517075A Expired / Lapsed US ⏱️ 0.0 years remaining

Catalysis over activated zeolites

Assignee: Mobil Oil AS
•
Filing: 1983-12-28
•
Granted: 1985-05-14
•
Expires: 2003-12-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A process is provided for conducting organic compound conversion over a catalyst comprising a high silica crystalline zeolite which has been treated by contact with aluminum chloride vapor.

Inventors

  • 👤 Ralph M. Dessau
  • 👤 George T. Kerr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 12:32
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/50; B01J29/505; B01J29/40; B01J2229/00; B01J2229/10; B01J2229/26; B01J2229/30; B01J2229/42; B01J29/65; B01J29/70; B01J29/80; Y; Y10; Y10S; Y10S423/00; Y10S423/22; Y10S423/29

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 107 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions with a catalyst comprising a zeolite material prepared by a method comprising calcining a crystalline zeolite material having an initial silica:alumina mole ratio of at least about 100:1, said crystalline material having been synthesized from a reaction mixture containing quaternary onium ions, contacting said calcined crystalline material with aluminum chloride vapor at a temperature of from about 100° C. to about 600° C., hydrolyzing said aluminum chloride contacted crystalline material and calcining said hydrolyzed crystalline material.
Claim 2
Dependent Claim 107 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions with a catalyst comprising a zeolite material prepared by a method comprising calcining a crystalline zeolite material having an initial silica:alumina mole ratio of at least about 100:1, said crystalline material having been synthesized from a reaction mixture containing quaternary onium ions, contacting said calcined crystalline material with aluminum chloride vapor at a temperature of from about 100° C. to about 600° C., hydrolyzing said aluminum chloride contacted crystalline material and calcining said hydrolyzed crystalline material.
Claim 3
Dependent Claim 19 words
The process of claim 1 wherein said zeolite material has an initial silica:alumina mole ratio greater than about 500:1.
Claim 4
Dependent Claim 23 words
The process of claim 1 wherein said zeolite material has the structure of ZSM-5, ZSM-11, ZSM-5/ZSM-11 intermediate, ZSM-12, ZSM-23, ZSM-35, ZSM-38 or ZSM-48.
Claim 5
Dependent Claim 15 words
The process of claim 3 wherein said zeolite has the structure of ZSM-5 or ZSM-11.
Claim 6
Dependent Claim 18 words
The process of claim 1 wherein said catalyst is a composite of said zeolite material and a matrix.
Claim 7
Dependent Claim 10 words
The process of claim 5 wherein said matrix is alumina.
Claim 8
Dependent Claim 61 words
The process of claim 1 wherein said conversion conditions include a temperature of from about 100° C. to about 800° C., a pressure of from about 0.1 atmosphere to about 200 atmospheres, a weight hourly space velocity of from about 0.08 hr -1 to about 2000 hr -1 and a hydrogen/feedstock hydrocarbon compound mole ratio of from 0 to about 100.
Claim 9
Dependent Claim 50 words
The process of claim 1 wherein said conversion conditions include a temperature of from about 300° C. to about 800° C., a pressure of from about 0.1 atmosphere to about 35 atmospheres and a weight hourly space velocity of from about 0.1 hr -1 to about 20 hr -1 .
Claim 10
Dependent Claim 113 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions with a catalyst comprising a zeolite material prepared by a method comprising calcining a crystalline zeolite material having an initial silica:alumina mole ratio of at least about 100:1 and the structure of zeolite ZSM-5, said crystalline material having been synthesized from a reaction mixture containing quaternary onium ions, contacting said calcined crystalline material with aluminum chloride vapor at a temperature of from about 100° C. to about 600° C., hydrolyzing said aluminum chloride contacted crystalline material and calcining said hydrolyzed crystalline material.
Claim 11
Dependent Claim 113 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions with a catalyst comprising a zeolite material prepared by a method comprising calcining a crystalline zeolite material having an initial silica:alumina mole ratio of at least about 100:1 and the structure of zeolite ZSM-5, said crystalline material having been synthesized from a reaction mixture containing quaternary onium ions, contacting said calcined crystalline material with aluminum chloride vapor at a temperature of from about 100° C. to about 600° C., hydrolyzing said aluminum chloride contacted crystalline material and calcining said hydrolyzed crystalline material.
Claim 12
Dependent Claim 19 words
The process of claim 9 wherein said zeolite material has an initial silica:alumina mole ratio greater than about 500:1.
Claim 13
Dependent Claim 18 words
The process of claim 9 wherein said catalyst is a composite of said zeolite material and a matrix.
Claim 14
Dependent Claim 10 words
The process of claim 11 wherein said matrix is alumina.
Claim 15
Dependent Claim 60 words
The process of claim 9 wherein said conversion conditions include a temperature of from about 100° C. to about 800° C., a pressure of from about 0.1 atmosphere to about200 atmospheres, a weight hourly space velocity of from about 0.08 hr -1 to about 2000 hr -1 and a hydrogen/feedstock hydrocarbon compound mole ratio of from 0 to about 100.
Claim 16
Dependent Claim 50 words
The process of claim 9 wherein said conversion conditions include a temperature of from about 300° C. to about 800° C., a pressure of from about 0.1 atmosphere to about 35 atmospheres and a weight hourly space velocity of from about 0.1 hr -1 to about 20 hr -1 .
Claim 17
Dependent Claim 113 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions with a catalyst comprising a zeolite material prepared by a method comprising calcining a crystalline zeolite material having an initial silica:alumina mole ratio of at least about 100:1 and the structure of zeolite ZSM-11, said crystalline material having been synthesized from a reaction mixture containing quaternary onium ions, contacting said calcined crystalline material with aluminum chloride vapor at a temperature of from about 100° C. to about 600° C., hydrolyzing said aluminum chloride contacted crystalline material and calcining said hydrolyzed crystalline material.
Claim 18
Dependent Claim 113 words
A process for converting a feedstock comprising hydrocarbon compounds to conversion products comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds which comprises contacting said feedstock at conversion conditions with a catalyst comprising a zeolite material prepared by a method comprising calcining a crystalline zeolite material having an initial silica:alumina mole ratio of at least about 100:1 and the structure of zeolite ZSM-11, said crystalline material having been synthesized from a reaction mixture containing quaternary onium ions, contacting said calcined crystalline material with aluminum chloride vapor at a temperature of from about 100° C. to about 600° C., hydrolyzing said aluminum chloride contacted crystalline material and calcining said hydrolyzed crystalline material.
Claim 19
Dependent Claim 19 words
The process of claim 15 wherein said zeolite material has an initial silica:alumina mole ratio greater than about 500:1.
Claim 20
Dependent Claim 18 words
The process of claim 15 wherein said catalyst is a composite of said zeolite material and a matrix.
Claim 21
Dependent Claim 10 words
The process of claim 17 wherein said matrix is alumina.
Claim 22
Dependent Claim 61 words
The process of claim 15 wherein said conversion conditions include a temperature of from about 100° C. to about 800° C., a pressure of from about 0.1 atmosphere to about 200 atmospheres, a weight hourly space velocity of from about 0.08 hr -1 to about 2000 hr -1 and a hydrogen/feedstock hydrocarbon compound mole ratio of from 0 to about 100.
Claim 23
Dependent Claim 50 words
The process of claim 15 wherein said conversion conditions include a temperature of from about 300° C. to about 800° C., a pressure of from about 0.1 atmosphere to about 35 atmospheres and a weight hourly space velocity of from about 0.1 hr -1 to about 20 hr -1 .

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-05-13 1988-11-12 1989-05-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-05-13 1992-11-12 1993-05-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-05-13 1996-11-12 1997-05-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag