Patents by Inventor Wellington E. Walker
Wellington E. Walker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4626551Abstract: This invention relates to the manufacture of valuable alkane polyols by reacting oxides of carbon, such as carbon monoxide, with hydrogen in the presence of a rhodium carbonyl complex in homogeneous liquid phase mixture using a solvent mixture of tetraglyme and a sulfolane.Type: GrantFiled: April 1, 1982Date of Patent: December 2, 1986Assignee: Union Carbide CorporationInventors: Leonard Kaplan, Wellington E. Walker
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Patent number: 4374752Abstract: A catalyst mixture is made with improved activity and selectivity to acetaldehyde by using an inert diluent and specifically defined concentrations of cobalt, a halide, a trivalent phosphorus compound, and the inert diluent. Use of the trivalent phosphorus compound significantly inhibits corrosion of the reactor metal.Type: GrantFiled: June 30, 1981Date of Patent: February 22, 1983Assignee: Union Carbide CorporationInventors: Benny J. Argento, Wellington E. Walker, deceased, Rocco A. Fiato
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Patent number: 4337365Abstract: A process for the production of acetaldehyde from the cobalt-catalyzed, iodide-promoted reaction of methanol, hydrogen and carbon monoxide, attaining (a) selectivity to acetaldehyde heretofore unachievable and (b) high methanol conversion, wherein the reaction is carried out in an inert solvent at a temperature of from 100.degree. C. to 180.degree. C. with an iodide to cobalt mole ratio of from 2:1 to 100:1.Type: GrantFiled: February 17, 1981Date of Patent: June 29, 1982Assignee: Union Carbide CorporationInventor: Wellington E. Walker, deceased
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Patent number: 4277634Abstract: A process for the production of ethanol from the cobalt-catalyzed, iodide-promoted reaction of methanol, hydrogen and carbon monoxide, attaining selectivity to ethanol heretofore unachievable at high methanol conversion, wherein the reaction is carried out in an inert solvent, at a temperature of from greater than 180.degree. C. to 220.degree. C. with an iodide to cobalt mole ratio of from 0.1:1 to 4:1.Type: GrantFiled: April 9, 1980Date of Patent: July 7, 1981Assignee: Union Carbide CorporationInventor: Wellington E. Walker
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Patent number: 4257972Abstract: A novel catalyst and process for the manufacture of polyhydric alcohol(s) from synthesis gas. This novel catalyst is a rhodium carbonyl phosphido cluster compound. In particular, the anion cluster of the rhodium carbonyl phosphido compound is of the following empirical formula:[Rh.sub.9 P (CO).sub.21 ].sup.Type: GrantFiled: July 31, 1979Date of Patent: March 24, 1981Assignee: Union Carbide CorporationInventors: Jose L. Vidal, Wellington E. Walker
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Patent number: 4211719Abstract: This invention relates to the manufacture of such valuable chemicals as polyhydric alcohols, their ether and ester derivatives, oligomers of such alcohols and monohydric alcohols and their ether and ester derivatives by reacting oxides of carbon and hydrogen in the presence of a quaternary ammonium cation and a rhodium carbonyl complex provided to the reaction as a rhodium carbonyl cluster anion which possesses an infrared spectrum which exhibits three intense wavelength bands between about plus and minus 10 cm.sup.-1 of about 1868 cm.sup.-1, about 1838 cm.sup.-1, and about 1785 cm.sup.-1 and said cation is present in the reaction mixture in about 0.8 to about 2.0 moles of cation for every six rhodium atoms present in the reaction mixture.Type: GrantFiled: February 5, 1979Date of Patent: July 8, 1980Assignee: Union Carbide CorporationInventors: Wellington E. Walker, David R. Bryant, Earle S. Brown, Jr.
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Patent number: 4191701Abstract: The process involves the separation of product from a liquid homogeneous mixture obtained from the reaction of oxides of carbon (e.g. CO) and H.sub.2 in a solvent solution containing a rhodium carbonyl complex catalyst. The solution stability of the catalyst is enhanced by volatilizing the product from the mixture while simultaneously maintaining the mixture in contact with CO gas.Type: GrantFiled: April 11, 1977Date of Patent: March 4, 1980Assignee: Union Carbide CorporationInventors: Charles E. Moyer, Jr., George E. Keller, II, Robert W. Beisner, Wellington E. Walker
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Patent number: 4180517Abstract: A novel catalyst and process for the manufacture of polyhydric alcohol(s) from synthesis gas. This novel catalyst is a rhodium carbonyl phosphido cluster compound. In particular, the anion cluster of the rhodium carbonyl phosphido compound is of the following empirical formula:[Rh.sub.9 P (CO).sub.21 ].sup.Type: GrantFiled: November 7, 1978Date of Patent: December 25, 1979Assignee: Union Carbide CorporationInventors: Jose L. Vidal, Wellington E. Walker
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Patent number: 4153623Abstract: This invention relates to the manufacture of such valuable chemicals as polyhydric alcohols, their ether and ester derivatives, oligomers of such alcohols and their ether and ester derivatives by reacting hydrogen and oxides of carbon in the presence of a rhodium carbonyl complex and a compound of aluminum.Type: GrantFiled: July 11, 1977Date of Patent: May 8, 1979Assignee: Union Carbide CorporationInventors: Leonard Kaplan, Wellington E. Walker, George L. O'Connor
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Patent number: 4133776Abstract: A catalyst composition useful in the process for the preparation of polyfunctional oxygen-containing compounds such as ethylene glycol and/or derivatives thereof which comprise reacting an oxide of carbon with hydrogen using a rhodium complex catalyst.Type: GrantFiled: October 14, 1977Date of Patent: January 9, 1979Assignee: Union Carbide CorporationInventors: Roy L. Pruett, Wellington E. Walker
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Patent number: 3968136Abstract: This invention relates to the manufacture of such valuable chemicals as polyhydric alcohols, their ether and ester derivatives, oligomers of such alcohols and monohydric alcohols and their ether and ester derivatives by reacting oxides of carbon and hydrogen in the presence of rhodium carbonyl clusters which possess an infrared spectrum which exhibit three intense wavelength bands between about plus and minus 10 cm.sup.-.sup.1 of about 1868 cm.sup.-.sup.1, about 1838 cm.sup.-.sup.1, and about 1785 cm.sup.-.sup.1 dissolved in a lactone solvent from the group consisting of gamma-butyrolactone and delta-valerolactone.Type: GrantFiled: July 12, 1974Date of Patent: July 6, 1976Assignee: Union Carbide CorporationInventors: Wellington E. Walker, Earle S. Brown, Jr.
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Patent number: 3957857Abstract: This invention relates to the manufacture of such valuable chemicals as polyhydric alcohols, their ether and ester derivatives, oligomers of such alcohols and monohydric alcohols and their ether and ester derivatives by reacting oxides of carbon and hydrogen in the presence of rhodium carbonyl clusters which possess an infrared spectrum which exhibit three intense wavelength bands between about plus and minus 10 cm.sup.-.sup.1 of about 1868 cm.sup.-.sup.1, about 1838 cm.sup.- .sup.1, and about 1785 cm.sup.-.sup.1.Type: GrantFiled: April 18, 1974Date of Patent: May 18, 1976Assignee: Union Carbide CorporationInventors: Roy L. Pruett, Wellington E. Walker
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Patent number: 3952039Abstract: This invention relates to the manufacture of such valuable chemicals as polyhydric alcohols, their ether and ester derivatives, oligomers of such alcohols and monohydric alcohols and their ether and ester derivatives by reacting oxides of carbon and hydrogen in the presence of an alkali metal cation and a rhodium carbonyl complex provided to the reaction as a rhodium carbonyl cluster anion which possesses an infrared spectrum which exhibits three intense wavelength bands between about plus and minus 10 cm.sup.-.sup.1 of about 1868 cm.sup.-.sup.1, about 1838 cm.sup.-.sup.1, and about 1785 cm.sup.-.sup.1 and said cation is present in the reaction mixture in about 0.5 to about 1.5 atoms of cation per every six rhodium atoms in the cluster.Type: GrantFiled: July 12, 1974Date of Patent: April 20, 1976Assignee: Union Carbide CorporationInventors: Wellington E. Walker, David R. Bryant, Earle S. Brown, Jr.
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Patent number: 3940432Abstract: This invention is concerned with improving the ethylene glycol production capabilities of the metal carbonyl catalyzed reaction between carbon monoxide and hydrogen by conducting the reaction such that the ethylene glycol concentration in the reaction mixture is less than 5 gram moles per liter, preferably between about 0.4 to 5 gram moles per liter of reaction mixture and the molar formation ratio between ethylene glycol and methanol in the reaction mixture exceeds about 0.3. In a preferred embodiment, a continuous process is operated in such a manner that the concentration of ethylene glycol in the product mixture removed from the reactor is greater than the average concentration of ethylene glycol in the reactor.Type: GrantFiled: May 15, 1974Date of Patent: February 24, 1976Assignee: Union Carbide CorporationInventors: Wellington E. Walker, Jean B. Cropley