Patents Assigned to United Catalysts, Inc.
-
Publication number: 20010020118Abstract: A catalyst for the production of alkenylaromatics from alkylaromatics, wherein the catalyst is predominantly iron oxide, an alkali metal compound and a small amount of a source for palladium or platinum. Additional components of the catalyst may include compounds based on cerium, molybdenum, tungsten and other such promoters. Also a process for the production of alkenylaromatics from alkylaromatics using this catalyst.Type: ApplicationFiled: March 26, 2001Publication date: September 6, 2001Applicant: Sud-Chemie, Inc. (formerly United Catalysts, Inc.)Inventors: David L. Williams, Yuji Mishima, Andrzej Rokicki
-
Patent number: 6242379Abstract: A catalyst for the production of alkenylaromatics from alkylaromatics, wherein the catalyst is predominantly iron oxide, an alkali metal compound and a small amount of a source for palladium or platinum. Additional components of the catalyst may include compounds based on cerium, molybdenum, tungsten and other such promoters. Also a process for the production of alkenylaromatics from alkylaromatics using this catalyst.Type: GrantFiled: April 1, 1998Date of Patent: June 5, 2001Assignee: United Catalysts Inc.Inventors: David Williams, Yuji Mishima, Andrzej Rokicki, Kazuhiko Shinyama, Dennis J. Smith
-
Patent number: 6217701Abstract: Disclosed is a new desiccant composition containing calcium chloride and a modified starch, preferably a modified corn starch. The composition contains from about 5 to about 95 percent calcium chloride and from about 5 to about 95 percent starch.Type: GrantFiled: July 7, 1999Date of Patent: April 17, 2001Assignee: United Catalysts Inc.Inventors: Richard M. Shelley, Matthew Lee Rix
-
Patent number: 6191065Abstract: A catalyst for the production of alkenylaromatics from alkylaromatics, wherein the catalyst is predominantly iron oxide, an alkali metal compound and less than about 100 ppm of a source for a noble metal, such as palladium, platinum, ruthenium, rhenium, osmium, rhodium or iridium. Additional components of the catalyst may include compounds based on cerium, molybdenum, tungsten and other such promoters. Also a process for the production of alkenylaromatics from alkylaromatics using this catalyst.Type: GrantFiled: January 26, 1999Date of Patent: February 20, 2001Assignees: Nissan Girdler Catalysts Company, United Catalysts Inc.Inventors: David Williams, Yuji Mishima, Andrzej Rokicki, Kazuhiko Shinyama, Dennis Smith
-
Patent number: 6177602Abstract: A catalyst for the production of alkenylaromatics from alkylaromatics, wherein the catalyst is predominantly iron oxide, an alkali metal compound and a small amount of a source for palladium or platinum. Additional components of the catalyst may include compounds based on cerium, molybdenum, tungsten and other such promoters. Also a process for the production of alkenylaromatics from alkylaromatics using this catalyst.Type: GrantFiled: August 28, 1998Date of Patent: January 23, 2001Assignees: United Catalysts, Inc., Nissan Girdler Catalysts Co., Ltd.Inventors: David L. Williams, Yuji Mishima, Andrzej Rokicki, Kazuhiko Shinyama, Dennis Smith
-
Patent number: 5990040Abstract: A catalyst for the conversion of carbon oxide comprising 30 to 70% CuO, 20 to 90% ZnO, 0.1 to 20% of an element of Group IV-B in the form of an oxide, preferably titanium and/or zirconium, most preferably titanium, about 5 to about 40 percent Al.sub.2 O.sub.3 and preferably 50 to 1000 ppm of a Group 1-A element in the form of an oxide.Type: GrantFiled: July 28, 1997Date of Patent: November 23, 1999Assignee: United Catalysts Inc.Inventors: X. D. Hu, Jon P. Wagner
-
Patent number: 5990372Abstract: An adsorbent product for the adsorption of trace elements of sulfur, arsenic, mercury, compounds which contain these elements or metal hydrides from a hydrocarbon gas stream, preferably an olefinic or paraffinic stream, wherein the adsorbent product is iron oxide and manganese oxide placed on a support material, preferably aluminum oxide. Also disclosed is a process for the use of this adsorbent product for the removal of trace elements of arsenic, mercury and sulfur or compounds containing those elements or metal hydrides from a hydrocarbon gas stream, preferably an olefinic or paraffinic gas stream.Type: GrantFiled: January 12, 1998Date of Patent: November 23, 1999Assignee: United Catalysts Inc.Inventors: Steven A. Blankenship, Richard W. Voight
-
Patent number: 5935304Abstract: Disclosed is a new desiccant composition containing calcium chloride and starch. Preferably the starch is a modified starch, preferably a modified corn starch. The composition contains from about 5 to about 95 percent calcium chloride and from about 5 to about 95 percent starch.Type: GrantFiled: November 13, 1996Date of Patent: August 10, 1999Assignee: United Catalysts Inc.Inventors: Richard M. Shelley, Matthew Lee Rix
-
Patent number: 5914373Abstract: A linear aminoplast-ether copolymer of the formula: ##STR1## where the divalent R.sub.01 contains a divalent alkyleneoxy containing moiety, Amp is the skeletal residue of an aminoplast, R is hydrogen, alkyl containing 1 to about 4 carbon atoms, and acyl containing 1 to about 4 carbon atoms, p is a positive number that is equal to the free valence of Amp minus 2, RO is bonded to alkylene units of Amp, and a is a number greater than 1. The method for making the copolymer is described.Type: GrantFiled: June 7, 1995Date of Patent: June 22, 1999Assignee: United Catalysts, Inc.Inventors: Charles W. Glancy, Alan L. Steinmetz
-
Patent number: 5773105Abstract: An absorbent packet for absorbing water vapor. The absorbent packet comprises a gas permeable, multi-layered packaging material which absorbs water vapor, but does not permit liquid water within the packet from flowing back through the packaging material, wherein the packaging material preferably comprises a microporous film, a gas permeable film and a binder to bind the microporous film to the gas permeable film, and an absorbent material incorporated between the layers of the multi-layered packaging material. This absorbent packet is particularly useful for absorbing water vapor in shipping containers where changes in the atmospheric conditions result in variable relative humidity in the shipping container.Type: GrantFiled: March 7, 1996Date of Patent: June 30, 1998Assignee: United Catalysts Inc. - DesiccantsInventor: George E. Klett
-
Patent number: 5759241Abstract: A desiccant canister comprised of a generally cylindrical body portion, first and second end portions, and at least one gas permeable disk-shaped member, wherein the body portion is generally impermeable to liquids and gases, wherein at least one of the said end portions is perforated, and wherein the disk-shaped member is secured to the end portion of the canister containing perforations.Type: GrantFiled: August 14, 1996Date of Patent: June 2, 1998Assignee: United Catalysts, Inc.--DesiccantsInventors: George E. Klett, John E. Thomas
-
Patent number: 5743942Abstract: Formed is a new desiccant film made of an uncoated microporous film secured to an uncoated laminate film wherein the inner surface of both the microporous film and the laminate material are compatible. This film is less expensive to form and produces a stronger bond than conventional coated materials used for desiccant packaging.Type: GrantFiled: September 19, 1996Date of Patent: April 28, 1998Assignee: United Catalysts Inc.Inventors: Richard M. Shelley, Matthew Lee Rix
-
Patent number: 5629373Abstract: A coating composition containing a linear aminoplast-ether copolymer of the formula: ##STR1## where the divalent R.sub.01 contains a divalent alkyleneoxy containing moiety, Amp is the skeletal residue of an aminoplast, R is hydrogen, alkyl containing 1 to about 4 carbon atoms, and acyl containing 1 to about 4 carbon atoms, p is a positive number that is equal to the free valence of Amp minus 2, RO is bonded to alkylene units of Amp, and a is a number greater than 1.Type: GrantFiled: June 7, 1995Date of Patent: May 13, 1997Assignee: United Catalysts, Inc.Inventors: Charles W. Glancy, Alan L. Steinmetz
-
Patent number: 5627232Abstract: A water-containing composition containing a linear aminoplast-ether copolymer of the formula: ##STR1## where the divalent R.sub.01 contains a divalent alkyleneoxy containing moiety, Amp is the skeletal residue of an aminoplast, R is hydrogen, alkyl containing 1 to about 4 carbon atoms, and acyl containing 1 to about 4 carbon atoms, p is a positive number that is equal to the free valence of Amp minus 2, RO is bonded to alkylene units of Amp, and a is a number greater than 1.Type: GrantFiled: June 7, 1995Date of Patent: May 6, 1997Assignee: United Catalysts, Inc.Inventors: Charles W. Glancy, Alan L. Steinmetz
-
Patent number: 5529622Abstract: A process is disclosed for the production of a blended smectite clay with enhanced rheology, particle size restriction and reduced abrasion characteristics which is useful for the coating of paper. The process comprises slurrying of a predominantly sodium smectite clay, slurrying a predominantly calcium smectite clay, degritting of the clay slurries to remove coarse grained impurities, removing a substantial portion of the undesirable soluble salts from the clay slurries, fractionating the clay slurries to control particle size of the smectite clays in the slurry and blending together the predominantly sodium smectite clay slurry with the predominantly calcium smectite clay slurry to form a blended clay slurry.Type: GrantFiled: April 10, 1995Date of Patent: June 25, 1996Assignee: United Catalysts Inc.Inventor: Thomas D. Thompson
-
Patent number: 5258346Abstract: An extruded nickel oxide on refractory oxide hydrogenation catalyst, having, in its reduced state, a nickel surface area greater than 30 m.sup.2 /gm of reduced nickel in the catalyst and 15 to about 65 volume percent of pores having diameters of about 300 to about 1000 angstroms, is highly active for the hydrogenation of aromatics in heavy hydrocarbon streams and is relatively resistant to sulfur poisoning.Type: GrantFiled: July 13, 1992Date of Patent: November 2, 1993Assignee: United Catalysts Inc.Inventors: Dinah C. Huang, Edward K. Dienes, Jon P. Wagner
-
Patent number: 5186747Abstract: Preactivated organophilic clays useful as rheological control and gelling agents for organic liquids are made by dry blending the organophilic clays with free-flowing dry powder blends of 1,2-propylene carbonate and finely divided amorphous silica.Type: GrantFiled: March 28, 1991Date of Patent: February 16, 1993Assignee: United Catalysts Inc.Inventor: Wayne T. Mattingly
-
Patent number: 5023225Abstract: Improved iron oxide catalysts for the dehydrogenation of ethylbenzene to styrene are made by forming a blend of chromium oxide and yellow iron hydrate and heating the blend to convert the yellow iron hydrate to red iron oxide prior to forming the catalyst.Type: GrantFiled: July 21, 1989Date of Patent: June 11, 1991Assignee: United Catalysts Inc.Inventors: David L. Williams, Karl J. Russ, Edward K. Dienes, George A. Laufer
-
Patent number: 5017361Abstract: An allergen absorbent and blocking aerosol composition for topical application to the skin comprises a highly activated organophilic clay of the smectite type, ion exchanged with a quaternary ammonium compound having aryl or alkyl groups in the range of from 10 to 22 carbon atoms, and a vehicle comprising one or more long-chain hydrocarbons or volatile silicone oils. The composition is preferably in the form of an aerosol composition additionally comprising an aerosol propellant. The composition is applied to the skin, preferably by spraying, to block and absorb the allergenic oils of toxic plants such as poison ivy and the like.Type: GrantFiled: August 8, 1989Date of Patent: May 21, 1991Assignee: United Catalysts, Inc.Inventors: Thomas W. Powell, Jr., Anthony A. Schulz, Gary W. Beall
-
Patent number: 4980327Abstract: Transition metal on an inert stable carrier hydrogenation catalysts are stabilized with a coating of a fatty amine and an alkane wherein the fatty amine-alkane coating has a melting point of about 130.degree. C. to about 180.degree. F.Type: GrantFiled: March 6, 1990Date of Patent: December 25, 1990Assignee: United Catalysts Inc.Inventor: David C. Wolfe