Abstract: Compositions useful for activating catalysts for olefin polymerization, and methods for making same, are provided. Such compositions can be derived from at least: an organoaluminum compound, a carrier, an oxygen source, and, optionally, a Lewis base.
Type:
Grant
Filed:
August 29, 2008
Date of Patent:
January 15, 2013
Assignee:
Albemarle Corporation
Inventors:
Lubin Luo, Samuel A. Sangokoya, Xiao Wu, Steven P. Diefenbach, Brian Kneale
Abstract: The present invention provides methods and compositions for the chemical conversion of syngas to alcohols. The invention includes catalyst compositions, methods of making the catalysts, and methods of using the catalysts including techniques to maintain catalyst stability. Certain embodiments teach compositions for catalyzing the conversion of syngas into products comprising at least one C1-C4 alcohol, such as ethanol. These compositions generally include cobalt, molybdenum, and sulfur, and avoid metal carbides both initially and during reactor operation.
Abstract: Brominated styrenic polymer is recovered from solution in a vaporizable solvent by converting the solution in a devolatilization extruder into a brominated styrenic polymer melt or flow and a separate vapor phase comprised predominately of vaporizable solvent, recovering the melt or flow from the devolatilization extruder, and allowing or causing the melt or flow to solidify. The solidified brominated styrenic polymer can be subdivided into a powder or pelletized form. Pellets so made have improved hardness and/or crush strength properties along with reduced formation of fines. Brominated anionic styrenic polymer is preferably used in the process.
Type:
Application
Filed:
September 14, 2012
Publication date:
January 10, 2013
Applicant:
ALBEMARLE CORPORATION
Inventors:
Charles H. Kolich, John F. Balhoff, Douglas W. Luther, Robert C. Herndon, JR., Ronny W. Linn, Bruce C. Peters, Arthur G. Mack, David A. Lee
Abstract: The present invention relates to low triphenyl phosphate, high phosphorous content aryl phosphates with high ortho alkylation that are suitable for use as flame retardant compositions, processes for their preparation, and their use as flame retardants.
Type:
Grant
Filed:
September 14, 2011
Date of Patent:
January 8, 2013
Assignee:
Albemarle Corporation
Inventors:
William J. Layman, Arthur G. Mack, Techen Tsao, Jeffrey Todd Aplin, Hoover Chew, Douglas W. Luther
Abstract: Ultraviolet light stabilized antimicrobial compositions are formed from (A) and (B). (A) is (I) a solid-state microbiocidal compound having at least one bromine atom in the molecule; (II) an aqueous solution or slurry of (I); (III) is a concentrated aqueous antimicrobial composition having a dissolved active bromine content derived from (i) BrCl or BrCl and Br2 and (ii) overbased alkali metal sulfamate and/or sulfamic acid, alkali metal base, and water, (IV) solids made by dewatering a composition of (III). (B) is a ultraviolet light degradation-inhibiting amount of up to one part by weight of ascorbic acid, dehydroascorbic acid and/or an edible water-soluble salt/ester thereof per part by weight of bromine in the selected antimicrobial composition. Preparation and uses of such compositions are described. Methods of controlling contamination of seafood and seafood products by pathogens are also described.
Type:
Grant
Filed:
January 11, 2008
Date of Patent:
January 8, 2013
Assignee:
Albemarle Corporation
Inventors:
Joe D. Sauer, George W. Cook, Jr., William S. Pickrell
Abstract: This invention provides a process for the preparation of a dihydrocarbyl hydrocarbonphosphonate. The process comprises forming a reaction mixture from components comprising (i) at least one dihydrocarbyl phosphite, (ii) at least one alkali metal hydrocarbyloxide, and (iii) at least one alcohol, so that a dihydrocarbyl hydrocarbonphosphonate is formed.
Type:
Grant
Filed:
June 5, 2008
Date of Patent:
January 1, 2013
Assignee:
Albemarle Corporation
Inventors:
Anne M. Sauer, Techen Tsao, Arthur G. Mack, William J. Layman, Jr.
Abstract: Improved methods of introducing promoters to catalysts are described. The present invention provides a convenient method of uniformly distributing a catalyst promoter, to provide for intimate contact between the promoter and the active catalyst sites. This intimate contact can enhance the activity and/or product selectivity of the promoted catalyst. In some embodiments, the method includes reacting an alkali metal with an alcohol in a non-aqueous medium, contacting the resulting solution with a starting catalyst, and depositing the alkali metal onto the starting catalyst to form an alkali-promoted catalyst.
Abstract: The invention herein provides methods of activating a catalyst composition. These methods include annealing a catalyst with an inert gas, under effective conditions, and then contacting the annealed catalyst with syngas to produce an activated catalyst. These steps can also be reversed. The activated catalysts can be employed to convert syngas into products, such as alcohols, with improved selectivities and yields.
Type:
Grant
Filed:
September 24, 2009
Date of Patent:
November 27, 2012
Assignee:
Albemarle Corporation
Inventors:
Patrick J. Alsum, Esther M. Wilcox, Jesse E. Hensley, Karl Kharas
Abstract: Compositions, and processes utilizing such compositions, are provided for reducing mercury emissions during fuel combustion Such compositions comprise a sorbent, a bromine source and a chlorine source Such compositions exhibit improved thermal stability as compared to that of the sorbent by itself.
Abstract: A process of producing a concentrated liquid biocide formulation is described. Mixed together are (a) bromine and (b) an aqueous solution of alkali metal salt of sulfamic acid having a pH of at least about 12, in amounts such that (i) the active bromine content of the solution is at least about 100,000 ppm (wt/wt), and (ii) the atom ratio of nitrogen to active bromine from (a) and (b) is greater than 1. A continuous process for producing the concentrated liquid biocide composition is provided. This process comprises continuously feeding into mixing apparatus (i) bromine and (ii) an aqueous solution of alkali metal salt of sulfamic acid; the desired product is withdrawn from the mixing apparatus at a rate sufficient to enable the continuous feeding to be maintained. Also described are methods for disinfecting surfaces and for sanitizing bodies of water using a single-feed, bromine-based biocide. These methods use concentrated liquid biocide compositions comprising biocidally active bromine as the biocide.
Type:
Grant
Filed:
November 30, 1999
Date of Patent:
October 23, 2012
Assignee:
Albemarle Corporation
Inventors:
Robert M. Moore, Jr., Christopher J. Nalepa
Abstract: The present invention provides processes for selectively producing ethanol from syngas. In some variations, the process comprises converting biomass-derived syngas to dimethyl ether, carbonylating the dimethyl ether to methyl acetate, hydrogenating the methyl acetate to methanol and ethanol, and recovering the ethanol product. The methanol is preferably recycled by converting to hydrogen and carbon monoxide for introduction back into the process at distinct points. In certain variations of this invention, fresh syngas feed is introduced downstream of the first unit operation in the sequence. High yields of ethanol from biomass can be achieved according to the disclosed processes.
Type:
Grant
Filed:
November 22, 2010
Date of Patent:
October 16, 2012
Assignee:
Albemarle Corporation
Inventors:
Ronald C. Stites, Shakeel Tirmizi, Jerrod Hohman, Stephen Deutch
Abstract: The present invention relates to a coating composition. More particularly the present invention relates to a coating composition comprising an amine curative composition comprising a bis-aromatic secondary diamine, a bis-aromatic primary diamine and optionally a mono-aromatic primary diamine.
Type:
Application
Filed:
December 16, 2010
Publication date:
October 4, 2012
Applicant:
ALBEMARLE CORPORATION
Inventors:
Peter J. Schreiber, Samuel L. Lane, Paul L. Wiggins
Abstract: Brominated styrenic polymer is recovered from solution in a vaporizable solvent by converting the solution in a devolatilization extruder into a brominated styrenic polymer melt or flow and a separate vapor phase comprised predominately of vaporizable solvent, recovering the melt or flow from the devolatilization extruder, and allowing or causing the melt or flow to solidify. The solidified brominated styrenic polymer can be subdivided into a powder or pelletized form. Pellets so made have improved hardness and/or crush strength properties along with reduced formation of fines. Brominated anionic styrenic polymer is preferably used in the process.
Type:
Grant
Filed:
July 18, 2007
Date of Patent:
September 25, 2012
Assignee:
Albemarle Corporation
Inventors:
Charles H. Kolich, John F. Balhoff, Douglas W. Luther, Robert C. Herndon, Jr., Ronny W. Lin, Bruce C. Peters, Arthur G. Mack, David A. Lee
Abstract: This invention provides a method of controlling microbes in a drinking line system when poultry and/or swine are absent from the area where the drinking line system is located.
Abstract: The present invention describes improved methods of introducing promoters to catalysts. This invention provides a method for dispersal of a promoter onto a solid surface. A catalyst material and a deliquescent material can together be contacted with a gas phase comprising a solvent under conditions effective for deliquescence whereby the promoter is dispersed onto the solid surface. This invention combines practical benefits of dry-mixing with the enhanced dispersion that can be realized by solvent-based methods.
Abstract: Methods are provided for preparing branched alkyl-substituted-anilines, such as 2-(1,3-dimethylbutyl)aniline. Such methods comprise combining aniline, an alkyl-substituted-1-alkene, such as 4-methyl-i-pentene, and an aluminum alkyl catalyst.
Abstract: Thermally-activated cellulosic-based carbon is rendered more thermally stable by exposure to a halogen and/or a halogen-containing compound. Such treated cellulosic-based carbon is suitable for use in mitigating the content of hazardous substances in flue gases, especially flue gases having a temperature within the range of from about 100° C. to about 420° C.
Type:
Application
Filed:
April 1, 2010
Publication date:
July 26, 2012
Applicant:
ALBEMARLE CORPORATION
Inventors:
Qunhui Zhou, Yinzhi Zhang, Jonathan P. O'Dwyer, Gregory H. Lambeth, Christopher J. Nalepa
Abstract: Methods are provided for producing alkylbenzenes, such as propylbenzene, from aromatics, such as toluene, and alkenes, such as ethylene. Such methods comprise combining the toluene with about 100 ppm to about 350 ppm water and alkali metal catalyst, activating the catalyst at about 180° C. to about 220° C., adding the ethylene and conducting the synthesis reaction at about 130° C. to about 150° C.
Type:
Grant
Filed:
March 27, 2008
Date of Patent:
July 24, 2012
Assignee:
Albemarle Corporation
Inventors:
Robert W. Nelson, Christopher A. Curtis, Stephen E. Belmont
Abstract: This invention relates to solvent systems useful for foam nozzle cleaning, which solvent systems are formed by combining at least a brominated compound, an alcohol and a stabilizer in amounts such that the solvent system has no flash point.
Abstract: Processes are provided for producing 3-(methylthio) thiophene by (i) combining at least an alkyl lithium, one or more alkanes and an ether to form a first combination, (ii) at a temperature of about ?30° C. to about ?25° C. and over a time period of at least about 30 minutes, adding 3-bromothiophene diluted in an ether to the first combination to form a second combination, (iii) at a temperature of about ?25° C. to about ?20° C. combining at least the second combination and dimethyl disulfide, and (iv) yielding at least the 3-(methylthio) thiophene.
Type:
Application
Filed:
September 16, 2010
Publication date:
July 12, 2012
Applicant:
Albemarle Corporation
Inventors:
Thierry Giard, Vincent L. Mutterer, Christophe Durvaux