Donald E Carver

US Patent:

6353132, Mar 5, 2002

Filed:

Aug 25, 1999

Appl. No.:

09/383049

Inventors:

Joseph Robert Zoeller - Kingsport TN
Andy Hugh Singleton - Kingsport TN
Gerald Charles Tustin - Kingsport TN
Donald Lee Carver - Church Hill TN

Assignee:

Eastman Chemical Company - Kingsport TN

International Classification:

C07C 5112

US Classification:

562519, 562232, 562517, 562607

Abstract:

A method for producing esters and carboxylic acids from lower alkyl alcohols, ethers, esters and ester-alcohol reactant mixtures and includes the step of contacting a vaporous mixture of the reactants, carbon monoxide and a halide with a supported catalyst under vapor-phase carbonylation conditions. The catalyst includes iridium and a second metal selected from group 5 (vanadium, niobium, tantalum) metals of the periodic table of elements. Desirably, the iridium and secondary metal are deposited on activated carbon as a support material. In a preferred aspect of the invention, the vapor phase carbonylation process is useful for preparing acetic acid, methyl acetate or a mixture thereof.

US Patent:

6355595, Mar 12, 2002

Filed:

Aug 25, 1999

Appl. No.:

09/382957

Inventors:

Joseph Robert Zoeller - Kingsport TN
Andy Hugh Singleton - Kingsport TN
Gerald Charles Tustin - Kingsport TN
Donald Lee Carver - Church Hill TN

Assignee:

Eastman Chemical Company - Kingsport TN

International Classification:

B01J 2300

US Classification:

502312, 502311, 502325, 502326, 562517, 562519, 562607, 560232

Abstract:

A solid supported catalyst suitable for the vapor phase carbonylation of lower aliphatic alcohols, ethers, ester, and ester-alcohol mixtures, and desirably, methanol, to produce acetic acid, methyl acetate and mixtures thereof. The solid supported catalyst includes an effective amount of iridium and at least one second metal selected from group metals of the periodic table of elements, their respective salts and mixtures thereof associated with a solid support material. Desirably, the support material is selected from carbon, activated carbon, pumice, alumina, silica, silica-alumina, magnesia, diatomaceous earth, bauxite, titania, zirconia, clay, magnesium silicate, silicon carbide, zeolites, ceramics and combinations thereof.

US Patent:

6355837, Mar 12, 2002

Filed:

Aug 25, 1999

Appl. No.:

09/383124

Inventors:

Joseph Robert Zoeller - Kingsport TN
Andy Hugh Singleton - Kingsport TN
Gerald Charles Tustin - Kingsport TN
Donald Lee Carver - Church Hill TN

Assignee:

Eastman Chemical Company - Kingsport TN

International Classification:

C07C 5112

US Classification:

562519, 560232, 562517, 562607

Abstract:

A method for producing esters and carboxylic acids from lower alkyl alcohols, ethers, esters and ester-alcohol reactant mixtures and includes the step of contacting a vaporous mixture of the reactants, carbon monoxide and a halide with a supported catalyst under vapor-phase carbonylation conditions. The catalyst includes iridium and a second metal selected from group 4 (titanium, zirconium, hafnium) metals of the periodic table of elements. Desirably, the iridium and secondary metal are deposited on activated carbon as a support material. In a preferred aspect of the invention, the vapor phase carbonylation process is useful for preparing acetic acid, methyl acetate or a mixture thereof.

US Patent:

6441222, Aug 27, 2002

Filed:

May 22, 2000

Appl. No.:

09/575538

Inventors:

Joseph Robert Zoeller - Kingsport TN
Andy Hugh Singleton - Kingsport TN
Gerald Charles Tustin - Kingsport TN
Donald Lee Carver - Church Hill TN

Assignee:

Eastman Chemical Company - Kingsport TN

International Classification:

C07C 5112

US Classification:

562 1, 562519, 562537

Abstract:

Disclosed herein is a vapor phase carbonylation process useful for producing carboxylic acids, esters and mixtures thereof from lower aliphatic alcohols, ethers, ester, and ester-alcohol mixtures. The vapor phase carbonylation process is characterized in that it utilizes a solid supported catalyst having an effective amount of iridium and gold associated with a solid support material.

US Patent:

6452043, Sep 17, 2002

Filed:

Apr 5, 2000

Appl. No.:

09/544639

Inventors:

Joseph Robert Zoeller - Kingsport TN
Andy Hugh Singleton - Kingsport TN
Gerald Charles Tustin - Kingsport TN
Donald Lee Carver - Church Hill TN

Assignee:

Eastman Chemical Company - Kingsport TN

International Classification:

C07C 6736

US Classification:

560232, 560175, 560206, 560207, 560233, 562517, 562518, 562519, 562521, 562522

Abstract:

A method for producing esters, carboxylic acids and mixtures thereof includes contacting, under carbonylation conditions, lower alkyl alcohols, ethers, lower alkyl alcohol derivatives and mixtures thereof and carbon monoxide with a catalyst having a catalytically effective amount a metal selected from iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, platinum, tin and mixtures thereof associated with a carbonized polysulfonated divinylbenzene-styrene copolymer matrix. In a preferred aspect of the invention the method is called out under vapor-phase conditions.

US Patent:

6472557, Oct 29, 2002

Filed:

Nov 12, 1999

Appl. No.:

09/438859

Inventors:

Michael Paul Ekart - Wassenaar, NL
David Dunlap Cornell - Kingsport TN
Damon Brian Shackelford - Johnson City TN
Donald Lee Carver - Church Hill TN

Assignee:

Eastman Chemical Company - Kingsport TN

International Classification:

C07C 5100

US Classification:

562483, 560 78, 560 89, 560 96

Abstract:

A process for producing high quality TPA suitable for PET feedstock material from recycled polyester. The process includes the steps of depolymerizing the polyester to form DMT; separating the DMT from secondary materials; and hydrolyzing the DMT to form TPA. In a preferred embodiment of the invention the recycled polyester is contacted with a component monomer or oligomer thereof to liquefy the polyester prior to depolymerizing the polyester.

US Patent:

6506933, Jan 14, 2003

Filed:

May 22, 2000

Appl. No.:

09/575537

Inventors:

Joseph Robert Zoeller - Kingsport TN
Andy Hugh Singleton - Kingsport TN
Gerald Charles Tustin - Kingsport TN
Donald Lee Carver - Church Hill TN

Assignee:

Eastman Chemical Company - Kingsport TN

International Classification:

C07C 5112

US Classification:

562519, 562537

Abstract:

Disclosed herein is a vapor phase carbonylation process useful for producing carboxylic acids, esters and mixtures thereof from lower aliphatic alcohols, ethers, ester, and ester-alcohol mixtures. The vapor phase carbonylation process is characterized in that it utilizes a solid supported catalyst having an effective amount of gold associated with a solid support material.

US Patent:

6509293, Jan 21, 2003

Filed:

May 22, 2000

Appl. No.:

09/576628

Inventors:

Joseph Robert Zoeller - Kingsport TN
Andy Hugh Singleton - Kingsport TN
Gerald Charles Tustin - Kingsport TN
Donald Lee Carver - Church Hill TN

Assignee:

Eastman Chemical Company - Kingsport TN

International Classification:

B01J 2302

US Classification:

502344, 502184, 502224, 502243, 502317, 502330, 502439

Abstract:

A solid supported catalyst suitable for the vapor phase carbonylation of lower aliphatic alcohols, ethers, ester, and ester-alcohol mixtures, and desirably, methanol, to produce carboxylic acid, esters and mixtures thereof. The solid supported catalyst includes an effective amount of gold associated with a solid support material in the presence of a halide promoter. Desirably, the support material is selected from carbon, activated carbon, pumice, alumina, silica, silica-alumina, magnesia, diatomaceous earth, bauxite, titania, zirconia, clay, magnesium silicate, silicon carbide, zeolites, ceramics and combinations thereof.