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| Number | Title | Issue Date |
| 8168723 | Brominated styrenic polymers and their preparation Preparing brominated styrenic polymer by maintaining a mixture formed from (i) brominating agent, (ii) a solvent solution of styrenic polymer, and (iii) aluminum halide catalyst, at −20 to +20° C., and terminating bromination in 20 minutes or less. New brominated... | 05/01/2012 |
| 8143365 | Formulations for reaction injection molding and for spray systems This invention provides articles made by reaction injection molding and spray coatings, and processes for forming such articles and coatings. The coatings and articles are polyureas or polyurea-urethanes. The ingredients used to form the coatings and articles compri... | 03/27/2012 |
| 8080626 | Chain extenders This invention provides chain extender compositions. These compositions comprise (i) an aromatic primary diamine, and (ii) a component selected from the group consisting of: (a) an aliphatic secondary diamine; ... | 12/20/2011 |
| 8076518 | Chain extenders This invention provides chain extender compositions. These compositions comprise (i) an aliphatic secondary diamine, and (ii) a component selected from the group consisting of: (a) a cy... | 12/13/2011 |
| 8071688 | Brominated anionic styrenic polymers and their preparation Concurrently fed into a reaction zone held at about 10° C. or less are brominating agent, aluminum halide catalyst, and a solution of anionic styrenic polymer having a GPC Mn about 2000-30,000. The components are in at least two separate feed streams. The feeds are... | 12/06/2011 |
| 8067088 | Pelletized brominated anionic styrenic polymers and their preparation and use Despite the frangibility of additive-free granules of brominated anionic styrenic polymer, pellets of unadulterated brominated anionic styrenic polymer are provided having 50 wt % or more bromine content, in which 70 wt % or more of the pellets are retained on a US ... | 11/29/2011 |
| 8034986 | Processing of solid brominated aromatic organic compounds containing occluded bromine Solid-state highly brominated compounds such as solid brominated flame retardants with bromine contents of at least about 60 wt % often contain occluded bromine. Because of their high bromine contents, such compounds have relatively low solubility in common organic ... | 10/11/2011 |
| 8002614 | Microbiocidal control in the processing of meat-producing four-legged animals Methods of processing four-legged slaughter animals for consumption as meat and/or meat product(s) are described. The methods comprise I) contacting exterior surfaces of the live animal at least once with a microbiocidal solution formed from mixing together at least... | 08/23/2011 |
| 7999118 | Process for producing N-halogenated hydantoins This invention provides a process for the N-halogenation of at least one 5-hydrocarbyl hydantoin and/or at least one 5,5-dihydrocarbyl hydantoin. The process comprises concurrently feeding into a reaction zone (i) water, inorganic base, and 5,5-dimethylhydantoin, th... | 08/16/2011 |
| 7988884 | Preparation of sterically hindered hydroxyphenylcarboxylic acid esters A novel manufacturing process is described for producing hindered phenolic alkyl esters, which may be useful as antioxidants. This process simplifies catalyst neutralization and removal during the preparation of hindered phenolic esters. Compositions that comprise t... | 08/02/2011 |
| 7985413 | Microbiological control in aqueous systems Microbiological control is achieved by continuously and inexpensively dosing water in contact with biofilm, or that comes into contact with biofilm, using a highly effective biocide that provides very effective microbiocidal control of planktonic microorganisms and ... | 07/26/2011 |
| 7964695 | Chain extenders This invention provides chain extender compositions. These compositions comprise (i) an aromatic primary diamine, and (ii) a component selected from the group consisting of: (a) an aliphatic secondary diamine; ... | 06/21/2011 |
| 7914365 | Microbiocidal control in the processing of meat-producing four-legged animals Methods of processing four-legged slaughter animals for consumption as meat and/or meat product(s) are described. The methods comprise I) contacting exterior surfaces of the live animal at least once with a microbiocidal solution formed from mixing together at least... | 03/29/2011 |
| 7901276 | Microbiocidal control in the processing of meat-producing four-legged animals Methods of processing four-legged slaughter animals for consumption as meat and/or meat product(s) are described. The methods comprise: I) contacting exterior surfaces of the live animal at least once with a microbiocidal solution formed from mixing together at leas... | 03/08/2011 |
| 7871547 | Halide reduction in dihydrocarbylmagnesium mixtures This invention provides a process for reducing the amount of soluble halide in a solution comprising a liquid organic medium, at least one viscosity reducing agent, at least one dihydrocarbylmagnesium compound, and an initial amount of soluble halide. The process co... | 01/18/2011 |
| 7862749 | Flame retardant polyurethanes and additives therefor A free-flowing, stable liquid flame retardant mixture comprised of or formed by mixing together components comprised of: A) at least one organic halogen-containing reactive flame retardant in which the halogen is bromine, chlorine or both; and B) a liquid additive t... | 01/04/2011 |
| 7851662 | Preparation and provision of high assay decabromodiphenylethane High assay reaction-derived decabromodiphenylethane product is produced and provided. The process comprises feeding diphenylethane, a partially brominated diphenylethane, or both subsurface into the liquid phase of a reaction mixture formed from components comprisin... | 12/14/2010 |
| 7767858 | Diimines and secondary diamines This invention provides aromatic diimines which have imino hydrocarbylidene groups with at least two carbon atoms, and aromatic secondary diamines which have amino hydrocarbyl groups with at least two carbon atoms. Both the aromatic diimines and the aromatic seconda... | 08/03/2010 |
| 7666944 | Flame retarded fibers and filaments and process of production therefor A fiber or filament which is formed from ingredients comprising (a) at least one fiber-forming thermoplastic polymer and (b) at least one polybrominated anionic styrenic polymer is provided. The polybrominated anionic styrenic polymer has a bromine content of at lea... | 02/23/2010 |
| 7666943 | Flame retarded fibers and filaments and process of production therefor A fiber or filament which is formed from ingredients comprising (a) at least one fiber-forming thermoplastic polymer, and (b) at least one polybrominated anionic styrenic polymer is provided. The polybrominated anionic styrenic polymer has a bromine content of at le... | 02/23/2010 |
| 7638583 | Brominated anionic styrenic polymers and their preparation Concurrently fed into a reaction zone held at about 10° C. or less are brominating agent, aluminum halide catalyst, and a solution of anionic styrenic polymer having a GPC Mn about 2000-30,000. The components are in at least two separate feed streams. The feeds are... | 12/29/2009 |
| 7632893 | Brominated styrenic polymers and their preparation Preparing brominated styrenic polymer by maintaining a mixture formed from (i) brominating agent, (ii) a solvent solution of styrenic polymer, and (iii) aluminum halide catalyst, at −20 to +20° C., and terminating bromination in 20 minutes or less. New brominated... | 12/15/2009 |
| 7585443 | Pelletized brominated anionic styrenic polymers and their preparation and use Despite the frangibility of additive-free granules of brominated anionic styrenic polymer, it has been found possible by use of special mechanical processing to provide pellets of unadulterated brominated anionic styrenic polymer having a bromine content of at least... | 09/08/2009 |
| 7579018 | Microbiological control in aqueous systems Microbiological control is achieved by continuously and inexpensively dosing water in contact with biofilm, or that comes into contact with biofilm, using a highly effective biocide that provides very effective microbiocidal control of planktonic microorganisms and ... | 08/25/2009 |
| 7578968 | Microbiological control in oil or gas field operations Processes for effecting biocidal activity in subterranean oil and gas wells being drilled, completed, worked over or produced are described. In general the process comprises blending with aqueous well fluid a biocidally-effective amount of a sulfamate stabilized, br... | 08/25/2009 |
| 7446153 | Preparation of brominated styrenic polymers or resins Bromination of styrenic polymer is carried out in a closed reaction system to retain HX coproduct (where HX is HBr or HCl, or both) in the bromination reaction mixture at superatmospheric pressure. Preferably, the reaction mixture which includes the brominated styre... | 11/04/2008 |
| 7425290 | Granular polymer additives and their preparation A compacted particulate polymer additive composition in a dry granular form formed from a substantially uniform mixture of the following components: (a) at least one particulate sterically-hindered phenolic compound; and (b) one or more par... | 09/16/2008 |
| 7408088 | Process for separation of bromine from gaseous hydrogen bromide and use of such process in production of decabromodiphenylethane Bromine is scrubbed from a gaseous mixture of bromine and hydrogen bromide by passing the mixture into a mixture formed from (i) diphenylethane and/or partially brominated diphenylethane with average bromine number less than about 2 and (ii) a catalytic quantity of ... | 08/05/2008 |
| 7405254 | Flame retardant compositions and their use Disclosed are flame retardant compositions comprised of (a) brominated anionic styrenic polymer, and (b) at least one polybrominated alpha-omega diphenylalkane having a total of at least 6 bromine atoms directly bonded to the phenyl rings and in the range of 1 to 6 ... | 07/29/2008 |
| 7381354 | Flame retardants with high halogen content and low viscosity Flame retardant formulations comprised of at least one bromine-containing polyol are produced by a process which comprises: A) heating a mixture formed from components comprised of (i) tetrabromophthalic anhydride, (ii) at least on... | 06/03/2008 |
| 7378449 | Poly(bromoaryl)alkane additives and methods for their preparation and use An additive mixture useful as a flame retardant is described. The mixture is comprised of (i) a poly(bromophenyl)alkane having in the molecule in the range of 13 to 60 carbon atoms and in the range of two to four aryl groups and (ii) a poly(bromophenyl)bromoalkane h... | 05/27/2008 |
| 7371397 | Methods for microbiological control in aqueous systems Microbiological control in aqueous media and/or eradication or reduction of biofilm on a surface in contact with such media is achieved by introducing into the aqueous medium a microbiocidally effective quantity of one or more 1,3-dibromo-5,5-dialkylhydantoins where... | 05/13/2008 |
| 7358407 | Bromination process This invention relates to a novel process which comprises feeding a mixture formed from diphenylethane and bromine to a stirrable reaction mass comprised of bromine and a bromination catalyst to yield a decabromodiphenylethane wet cake which can be most economically... | 04/15/2008 |
| 7355058 | Haloaluminoxane compositions, their preparation, and their use in catalysis Novel haloaluminoxane compositions have been formed. The halogen is fluorine, chlorine, and/or bromine, and the amount of halogen atoms present in said composition is in the range of about 0.5 mole % to about 15 mole % relative to aluminum atoms. Processes for produ... | 04/08/2008 |
| 7297306 | Class of amine coinitiators in photoinitiated polymerizations A new class of amines is incorporated into phtopolymerizable systems employing type I or type II photoinitiators. These amines are trialkylamines having a total of 10 to about 36 carbon atoms in the molecule and wherein at least one alkyl group has a chain length of... | 11/20/2007 |
| 7288677 | Diimines and secondary diamines This invention provides aromatic diimines which have imino hydrocarbylidene groups with at least two carbon atoms, and aromatic secondary diamines which have amino hydrocarbyl groups with at least two carbon atoms. Both the aromatic diimines and the aromatic seconda... | 10/30/2007 |
| 7258823 | Flame retardants with high halogen content and low viscosity Flame retardant formulations comprised of at least one bromine-containing polyol are produced by a process which comprises: A) heating a mixture formed from components comprised of (i) tetrabromophthalic anhydride, (ii) at least one aliphatic polyol, an... | 08/21/2007 |
| 7250529 | Synthesis process for 2-(3-hydroxy-1-adamantyl)-2-oxoacetic acid A highly advantageous process for the preparation of 2-(3-hydroxy-1-adamantyl)-2-oxoacetic acid or a salt thereof is described. The process comprises subjecting 1-acetyl 3-hydroxyadamantane to liquid phase oxidation with permanganate to produce 2-(3-hydroxy-1-adaman... | 07/31/2007 |
| 7223719 | Breaker composition and process A process for reducing the viscosity of fracturing fluids in downhole oilfield operations is provided. The process comprises contacting a sulfamate stabilized, bromine-based breaker with an aqueous polysaccharide fracturing fluid, with the breaker present in an amou... | 05/29/2007 |
| 7202296 | Flame retardant compositions and their use Disclosed are flame retardant compositions comprised of (a) brominated anionic styrenic polymer, and (b) at least one polybrominated alpha-omega diphenylalkane having a total of at least 6 bromine atoms directly bonded to the phenyl rings and in the range of 1 to 6 ... | 04/10/2007 |
