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US3198748A Expired / Lapsed US ⏱️ 0.0 years remaining

Refractory oxide-alkaline earth carbonate supported catalyst

Assignee: BASF Catalysts LLC
•
Filing: 1960-09-21
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Granted: 1965-08-03
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Expires: 1980-09-21
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Abstract

No abstract record available.

Inventors

  • 👤 Carl D Keith
  • 👤 Paula M Kenah
  • 👤 Paul N Rylander

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 18:14
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/58

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 131 words
A METHOD FOR PREPARING A CATALYST WHICH COMPRISES IMPREGNATING AN ALKALINE EARTH CARBONATE WITH AN AQUEOUS SOLUTION OF A COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF THE TRANSITION HEAVY METALS OF THE PERIODIC TABLE, SAID COMPOUND BEING HYDROLYZABLE TO A CATALYTICALLY ACTIVE MATERIAL, HYDROLYZING THE HYDROLYZABLE COMPOUND TO DEPOSIT THE CATALYTICALLY ACTIVE MATERIAL IN THE ALKALINE EARTH CARBONATE, THEN INTIMATELY ADMIXING A REFRACTORY OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, SILICA, CLAY, ZIRCONIA AND TITANIA WITH THE ALKALINE EARTH CARBONATE THE ALKALINE EARTH CARBONATE AND REFRACTORY OXIDE BEING ADMIXED TOGETHER IN PROPORTIONS, BY WEIGHT, BETWEEN ABOUT 5 PERCENT AND 95 PERCENT OF THE ALKALINE EARTH CARBONATE AND THE BALANCE THE REFRACTORY OXIDE, AND FORMING THE ADMIXTURE WHILE OF PLASTIC CONSISTENCY INTO A BODY OF THE DESIRED SHAPED.
Claim 2
Independent Claim 131 words
A METHOD FOR PREPARING A CATALYST WHICH COMPRISES IMPREGNATING AN ALKALINE EARTH CARBONATE WITH AN AQUEOUS SOLUTION OF A COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF THE TRANSITION HEAVY METALS OF THE PERIODIC TABLE, SAID COMPOUND BEING HYDROLYZABLE TO A CATALYTICALLY ACTIVE MATERIAL, HYDROLYZING THE HYDROLYZABLE COMPOUND TO DEPOSIT THE CATALYTICALLY ACTIVE MATERIAL IN THE ALKALINE EARTH CARBONATE, THEN INTIMATELY ADMIXING A REFRACTORY OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, SILICA, CLAY, ZIRCONIA AND TITANIA WITH THE ALKALINE EARTH CARBONATE THE ALKALINE EARTH CARBONATE AND REFRACTORY OXIDE BEING ADMIXED TOGETHER IN PROPORTIONS, BY WEIGHT, BETWEEN ABOUT 5 PERCENT AND 95 PERCENT OF THE ALKALINE EARTH CARBONATE AND THE BALANCE THE REFRACTORY OXIDE, AND FORMING THE ADMIXTURE WHILE OF PLASTIC CONSISTENCY INTO A BODY OF THE DESIRED SHAPED.
Claim 3
Independent Claim 108 words
A METHOD FOR PREPARING A CATALYST SUPPORT WHICH COMPRISES INTIMATELY MIXING TOGETHER A REFRACTORY OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, SI ICA, CLAY, ZIRCONIA AND TITANIA, AN ALKALINE EARTH CARBONATE AND WATER, THE ALKALINE EARTH CARBONATE AND REFRACTORY OXIDE BEING MIXED TOGETHER IN THE PROPORTIONS OF, BY WEIGHT, BETWEEN ABOUT 5 PERCENT AND 95 PERCENT OF THE ALKALINE EARTH CARBONATE AND THE BALANCE THE REFRACTORY OXIDE, FORMING THE MIXTURE WHILE OF PLASTIC CONSISTENCY INTO A CATALYST SUPPORT BODY OF HE DESIRED SHAPE, AND CALCINING THE SHAPED CATALYST SUPPORT BODY AT A TEMPERATURE BELOW THE DECOMPOSITION TEMPERATURE OF THE ALKALINE EARTH CARBONATE TO EXPEL THE WATER THEREFROM.
Claim 4
Independent Claim 108 words
A METHOD FOR PREPARING A CATALYST SUPPORT WHICH COMPRISES INTIMATELY MIXING TOGETHER A REFRACTORY OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA, SI ICA, CLAY, ZIRCONIA AND TITANIA, AN ALKALINE EARTH CARBONATE AND WATER, THE ALKALINE EARTH CARBONATE AND REFRACTORY OXIDE BEING MIXED TOGETHER IN THE PROPORTIONS OF, BY WEIGHT, BETWEEN ABOUT 5 PERCENT AND 95 PERCENT OF THE ALKALINE EARTH CARBONATE AND THE BALANCE THE REFRACTORY OXIDE, FORMING THE MIXTURE WHILE OF PLASTIC CONSISTENCY INTO A CATALYST SUPPORT BODY OF HE DESIRED SHAPE, AND CALCINING THE SHAPED CATALYST SUPPORT BODY AT A TEMPERATURE BELOW THE DECOMPOSITION TEMPERATURE OF THE ALKALINE EARTH CARBONATE TO EXPEL THE WATER THEREFROM.

References Cited (Backward Citations)

US2173111A Cited
US2244196A Cited
US2587599A Cited
US2826480A Cited
US2825701A Cited
US2930765A Cited
US2930766A Cited
US2885442A Cited
US2970034A Cited
US3087966A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-08-02 1969-02-01 1969-08-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-02 1973-02-01 1973-08-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-02 1977-02-01 1977-08-03 $7700.00 Window Closed / Lapsed

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