Arthur Alan Miller

US Patent:

43035507, Dec 1, 1981

Filed:

Dec 28, 1979

Appl. No.:

6/107989

Inventors:

James L. Callahan - Wooster OH
Wilfrid G. Shaw - Lyndhurst OH
Arthur F. Miller - Lyndhurst OH

Assignee:

Standard Oil Company - OH

International Classification:

B01J 2728
C07C 5125
C07C 57055

US Classification:

252413

Abstract:

The present invention relates to a method for the regeneration of deactivated PMA based catalysts by imbibing an aqueous volatile base within the pore structure of the deactivated catalyst so as to form a fluid phase within the pore structure, adding a volatile acid to the fluid phase to form a precipitate. The precipitate is thereafter dried and calcined to yield the regenerated catalyst. A second method for regeneration is also provided and includes the steps of imbibing a volatile solvent within the pore structure of the deactivated catalyst, adding a volatile acid to the system, and then adding a volatile base to the system to form a precipitate within the pore structure. The precipitate is again dried and calcined to yield the regenerated catalyst.

US Patent:

RE305693, Apr 7, 1981

Filed:

Nov 26, 1976

Appl. No.:

5/745027

Inventors:

James L. Callahan - Wooster OH
Arthur F. Miller - Lyndhurst OH
Wilfrid G. Shaw - Lyndhurst OH

Assignee:

The Standard Oil Company (Ohio) - OH

International Classification:

B29D 2300

US Classification:

264 13

Abstract:

Hard, rounded aggregates are produced by preparing droplets of a slurry consisting of suspending liquid containing distinct particles of a solid and dropping the droplets of the slurry onto a bed of particles under conditions where the suspending liquid of the slurry droplet is removed. This technique is especially desirable for making unique fixed-bed catalysts.

US Patent:

44709315, Sep 11, 1984

Filed:

Dec 13, 1979

Appl. No.:

6/108868

Inventors:

James L. Callahan - Wooster OH
Arthur F. Miller - Lyndhurst OH
Wilfrid G. Shaw - Lyndhurst OH

Assignee:

The Standard Oil Company - Cleveland OH

International Classification:

C07C12014

US Classification:

2604653

Abstract:

A process for conducting a combination of fixed and fluid-bed catalytic reactions is achieved by employing fixed-bed catalysts on supports within the fluid bed. The fluid-bed catalysts may move in both directions through the fixed bed, thereby giving advantages of both types of beds in one reactor.

US Patent:

44435550, Apr 17, 1984

Filed:

Nov 8, 1982

Appl. No.:

6/439704

Inventors:

James L. Callahan - Wooster OH
Wilfrid G. Shaw - Lyndhurst OH
Arthur F. Miller - Lyndhurst OH

Assignee:

The Standard Oil Company - Cleveland OH

International Classification:

B01J 2714

US Classification:

502211

Abstract:

The present invention relates to a method for the preparation of phosphomolybdic acid based catalysts by forming a solution of hydrated phosphomolybdic acid in a substantially anhydrous alkyl alcohol, heating the solution to form a concentrate, and thereafter drying and calcining the concentrate support material so as to form the catalyst. Because the catalyst is prepared in alcoholic rather than aqueous solution, it has a greater activity in converting aldehydes to their respective unsaturated carboxylic acids than known phosphomolybdic acid based catalysts. Furthermore, the deammoniation step of the prior art is no longer required.

US Patent:

46224246, Nov 11, 1986

Filed:

Sep 6, 1985

Appl. No.:

6/773145

Inventors:

James L. Callahan - Wooster OH
Arthur F. Miller - Lyndhurst OH
Wilfrid G. Shaw - Lyndhurst OH

Assignee:

The Standard Oil Company - Cleveland OH

International Classification:

C07C 5125
C07C 5705

US Classification:

562545

Abstract:

A process for conducting a combination of fixed and fluid-bed catalytic reactions is achieved by employing fixed-bed catalysts on supports within the fluid bed. The fluid-bed catalysts may move in both directions through the fixed bed, thereby giving advantages of both types of beds in one reactor.

US Patent:

45283982, Jul 9, 1985

Filed:

Nov 18, 1982

Appl. No.:

6/442702

Inventors:

James L. Callahan - Wooster OH
Wilfrid G. Shaw - Lyndhurst OH
Arthur F. Miller - Lyndhurst OH

Assignee:

The Standard Oil Company (Ohio) - Cleveland OH

International Classification:

C07C 51235
C07C 5125
C07C 5705
C07C 57055

US Classification:

562534

Abstract:

The present invention relates to a method for the preparation of phosphomolybdic acid based catalysts utilized in the oxidation of aldehydes to unsaturated carboxylic acids by forming a solution of hydrated phosphomolybdic acid in a substantially anhydrous alkanol, adding a base to the solution, evaporating the solution to yield a catalyst powder and thereafter drying and calcining the powder to form the active catalyst. A second method for preparation is also provided and includes the steps of forming a solution of hydrated phosphomolybdic acid in a substantially anhydrous alkanol, evaporating the solution to form a concentrate, impregnating a catalyst support material with the concentrate, contacting the impregnated support with ammonia gas in an amount sufficient to form an insoluble precipitate of ammonium alkyl phosphomolybdic acid within the pore structure of said support material and thereafter drying and calcining said impregnated support material so as to form a coated catalyst.

US Patent:

44449062, Apr 24, 1984

Filed:

Nov 8, 1982

Appl. No.:

6/439952

Inventors:

James L. Callahan - Wooster OH
Wilfrid G. Shaw - Lyndhurst OH
Arthur F. Miller - Lyndhurst OH

Assignee:

The Standard Oil Company - Cleveland OH

International Classification:

B01J 2714

US Classification:

502211

Abstract:

The present invention relates to a method for the preparation of phosphomolybdic acid based catalysts by forming a solution of hydrated phosphomolybdic acid in a substantially anhydrous alkyl alcohol, adding a base to the solution, evaporating the solution to yield a catalyst powder and thereafter drying and calcining the powder to form the active catalysts. A second method for preparation is also provided and includes the steps of forming a solution of hydrated phosphomolybdic acid in a substantially anhydrous alkyl alcohol, evaporating the solution to form a concentrate, impregnating a catalyst support material with the concentrate, contacting the impregnated support with ammonia gas in an amount sufficient to form an insoluble precipitate of ammonium alkyl phosphomolybdic acid within the pore structure of said support material and thereafter drying and calcining said impregnated support material so as to form a coated catalyst.

US Patent:

40421538, Aug 16, 1977

Filed:

Nov 17, 1975

Appl. No.:

5/632536

Inventors:

James L. Callahan - Wooster OH
Arthur F. Miller - Lyndhurst OH
Wilfrid G. Shaw - Lyndhurst OH

Assignee:

Standard Oil Company - Cleveland OH

International Classification:

B65D 3700

US Classification:

222207

Abstract:

Distinct droplets of a slurry are dispersed by a dropping device consisting of a resilient tube connected to a liquid reservoir so that the liquid flows through the tube, and two valves and a plunger which work in a six-movement cycle on the outer surface of the resilient tube to discharge uniform droplets of liquid at equal drop intervals.