| Patent Number |
Title Of Patent |
Date Issued |
| RE37902 |
Brominated polystyrene having improved thermal stability and color and process for the preparati |
November 5, 2002 |
| In a process for the suppression of backbone halogenation during the bromination of polystyrenes comprising the step of pretreating a solution of a polystyrene reactant comprising from about five to about 20 percent by weight of a polystyrene reactant, in a halogenated hydrocarbon solven |
| RE36128 |
Antioxidant aromatic fluorophosphites |
March 2, 1999 |
| Organic materials normally subject to gradual degradation in the presence of oxygen are stabilized by inclusion of an aromatic fluorophosphite having at least one benzene group bonded through oxygen to phosphorus and at least one fluorine atom bonded directly to the same phosphorus. |
| 7585443 |
Pelletized brominated anionic styrenic polymers and their preparation and use |
September 8, 2009 |
| 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 about 50 wt % and |
| 7579018 |
Microbiological control in aqueous systems |
August 25, 2009 |
| 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 of biofilm species |
| 7578968 |
Microbiological control in oil or gas field operations |
August 25, 2009 |
| 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, bromine-based biocid |
| 7576041 |
Bromine-based sulfamate stabilized breaker composition and process |
August 18, 2009 |
| 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 amount to reduce the v |
| 7446153 |
Preparation of brominated styrenic polymers or resins |
November 4, 2008 |
| 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 styrenic polymer and su |
| 7425290 |
Granular polymer additives and their preparation |
September 16, 2008 |
| 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 particulate polymer additives other than a ster |
| 7408088 |
Process for separation of bromine from gaseous hydrogen bromide and use of such process in produ |
August 5, 2008 |
| 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 iron and/or iron h |
| 7405254 |
Flame retardant compositions and their use |
July 29, 2008 |
| 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 carbon atoms in the |
| 7381354 |
Flame retardants with high halogen content and low viscosity |
June 3, 2008 |
| 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, and (iii) at least one liquid s |
| 7378449 |
Poly(bromoaryl)alkane additives and methods for their preparation and use |
May 27, 2008 |
| 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 having in the molecule |
| 7371397 |
Methods for microbiological control in aqueous systems |
May 13, 2008 |
| 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 one of the alkyls |
| 7358407 |
Bromination process |
April 15, 2008 |
| 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 treated to provid |
| 7355058 |
Haloaluminoxane compositions, their preparation, and their use in catalysis |
April 8, 2008 |
| 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 producing haloaluminoxa |
| 7297306 |
Class of amine coinitiators in photoinitiated polymerizations |
November 20, 2007 |
| 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 at least 8 carbon |
| 7288677 |
Diimines and secondary diamines |
October 30, 2007 |
| 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 secondary diamines either |
| 7258823 |
Flame retardants with high halogen content and low viscosity |
August 21, 2007 |
| 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, and (iii) at least one liquid str |
| 7250529 |
Synthesis process for 2-(3-hydroxy-1-adamantyl)-2-oxoacetic acid |
July 31, 2007 |
| 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-adamantyl)-2-oxoacetic a |
| 7223719 |
Breaker composition and process |
May 29, 2007 |
| 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 amount to reduce the v |
| 7202296 |
Flame retardant compositions and their use |
April 10, 2007 |
| 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 carbon atoms in the |
| 7195782 |
Concentrated aqueous bromine solutions and their preparation |
March 27, 2007 |
| Described is a process of producing a concentrated liquid biocide formulation. Mixed together are (a) bromine chloride or bromine and (b) an aqueous solution of alkali metal salt of sulfamic acid having a pH of at least about 7, in amounts such that (i) the active bromine content of |
| 7193100 |
Haloaluminoxane compositions, their preparation, and their use in catalysis |
March 20, 2007 |
| 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. |
| 7182966 |
Microbiological control in poultry processing |
February 27, 2007 |
| In the processing of poultry, equipment, instruments, apparatus and/or water used in such processing, and/or carcasses and/or parts of poultry resulting from the processing of poultry, are disinfected with aqueous solutions of certain halogen-based microbiocides, especially certain b |
| 7179950 |
Bromination process |
February 20, 2007 |
| 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 treated to provid |
| 7172782 |
Microbiological control in poultry processing |
February 6, 2007 |
| A method of controlling microbial contamination of poultry carcasses in the processing of poultry as food products is described. The method comprises contacting the carcasses with an aqueous medium containing an effective microbial inhibiting amount of active bromine resulting from t |
| 7153901 |
Flame retardant, additive compositions, and flame retardant polyurethanes |
December 26, 2006 |
| Provided are new flame retardants and liquid flame retardant additive compositions of low viscosity for use in flexible polyurethane foams. The new flame retardants are the reaction product of at least one brominated aromatic diester diol with at least one alcohol-reactive agent. Preferr |
| 7129385 |
Poly(bromoaryl)alkane additives and methods for their preparation and use |
October 31, 2006 |
| 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 having in the molecule |
| 7129384 |
Bromination process |
October 31, 2006 |
| 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 treated to provid |
| 7105712 |
Process for the hydrogenation of aromatics |
September 12, 2006 |
| The present invention pertains to a process for effecting aromatics hydrogenation which process comprises contacting a hydrocarbon feedstock which contains 10 80 vol. % of aromatics in the presence of a hydrogen-containing gas with a catalyst which comprises hydrogenation metals on a |
| 7087780 |
Process for producing tetrakis(.sup.Faryl)borate salts |
August 8, 2006 |
| The liquid ethereal medium or liquid hydrocarbyl medium of a solution or slurry of an alkali metal tetrakis(.sup.Faryl)borate is substituted with at least one halogenated hydrocarbon, without isolating the alkali metal tetrakis(.sup.Faryl)borate, to form a new slurry or solution. At leas |
| 7087546 |
Process for regenerating and rejuvenating additive-based catalysts |
August 8, 2006 |
| The present invention pertains to a process for regenerating and rejuvenating an additive-based hydrotreating catalyst containing Group VIB and Group VIII hydrogenation metals. The process comprises the steps of regenerating the catalyst by contacting it with an oxygen-containing gas |
| 7087251 |
Control of biofilm |
August 8, 2006 |
| A method of eradicating or at least substantially reducing biofilm on a surface in contact with water, or which comes in contact with water, which method comprises introducing into such water a concentrated aqueous biocidal composition formed from bromine chloride and an aqueous solution |
| 7063883 |
Laminate for printed circuit boards |
June 20, 2006 |
| Laminates for printed circuit boards having surface layers of curable resin impregnated woven glass fabric and intermediate layers of curable resin impregnated non-woven glass. The intermediate layers contain 200 percent by weight to 275 percent by weight, based on the resin in the i |
| 7045564 |
Flame retardants with high halogen content and low viscosity |
May 16, 2006 |
| A flame retardant formulation which is the combination of at least (1) at least one bromine-containing polyol flame retardant formed from the reaction of (a) tetrabromophthalic anhydride, (b) an aliphatic polyol, and (c) an epoxide, and (2) at least one aliphatic diester of an alkane |
| 7029746 |
Printed circuit boards |
April 18, 2006 |
| Printed circuit boards of a laminate having surface layers of curable resin impregnated woven glass fabric and intermediate layers of curable resin impregnated non-woven glass. The intermediate layers contain 200 percent by weight to 275 percent by weight, based on the resin in the i |
| 7029551 |
Method for preparing laminates |
April 18, 2006 |
| Method for the preparation of a laminate for printed circuit boards by composing together surface layers of curable resin impregnated woven glass fabric and intermediate layers of curable resin impregnated non-woven glass. The intermediate layers contain 200 percent by weight to 275 |
| 7015367 |
Stabilization and use of propargyl bromide |
March 21, 2006 |
| Propargyl bromide is effectively stabilized against shock or thermal decomposition by use therewith of an environmentally acceptable inert liquid solvent that forms an azeotrope with propargyl bromide. |
| 6992148 |
Recovery of antimony catalyst residues from bromination reaction mixtures |
January 31, 2006 |
| A process for brominating a styrenic polymer in an organic solvent in the presence of an antimony trihalide catalyst such that a reaction mass containing brominated styrenic polymer in an organic phase is formed is improved by mixing hydrochloric acid or hydrobromic acid, or both, with |
| 6989348 |
Mixed metal catalyst comprising a combustible binder, its process of preparation and use |
January 24, 2006 |
| The present invention pertains to a catalyst composition comprising at least one non-noble Group VIII metal component, at least two Group VIB metal components, and at least about 1 wt. % of a combustible binder material selected from combustible binders and precursors thereof, the Gr |
| 6986910 |
Microbiological control in poultry processing |
January 17, 2006 |
| A method of controlling microbial contamination of poultry carcasses in the processing of poultry as food products is described. The method comprises contacting the carcasses with an aqueous medium containing an effective microbial inhibiting amount of active bromine resulting from t |
| 6974887 |
Bromination process |
December 13, 2005 |
| 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 treated to provid |
| 6960677 |
Preparation of aluminates |
November 1, 2005 |
| A process for producing a tetrahydrocarbylaluminate is provided. This process comprises contacting sodium potassium alloy and a trihydrocarbylaluminum compound such that a tetrahydrocarbylaluminate is formed as a mixture of its sodium salt and potassium salt. |
| 6958423 |
Bromination process |
October 25, 2005 |
| 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 treated to provid |
| 6936078 |
Fluorescent brightener pigment compositions |
August 30, 2005 |
| The invention relates to a fluorescent brightener pigment and the use of said pigment, which is derived from formaldehyde, for improving the whiteness of paper or textiles, or for incorporation in detergent compositions. |
| 6887454 |
Process for the production of aluminium hydroxide |
May 3, 2005 |
| Gibbsite type aluminium hydroxides are obtained by seeding a Bayer liquor with bayerite crystals. The gibbsite type aluminium hydroxide show excellent properties as fire retardant fillers in synthetic resins. |
| 6869620 |
Production of concentrated biocidal solutions |
March 22, 2005 |
| The production process comprises A) forming an acidic aqueous solution comprising alkali metal cations, bromide anions, and sulfamate anions; B) feeding into said aqueous solution a source of alkali metal cations and chlorine-containing bromide oxidant proportioned to keep the resultant |
| 6855745 |
Polymerization processes using aliphatic maleimides |
February 15, 2005 |
| Aliphatic maleimides and methods using the same are disclosed. Polymerization of compositions which include the compounds of the invention may be activated by irradiating the composition with radiation. |
| 6831200 |
Process for producing tetrakis(Faryl)borate salts |
December 14, 2004 |
| The liquid ethereal medium or liquid hydrocarbyl medium of a solution or slurry of an alkali metal tetrakis(.sup.F aryl)borate is substituted with at least one halogenated hydrocarbon, without isolating the alkali metal tetrakis(.sup.F aryl)borate, to form a new slurry or solution. At le |
| 6831188 |
Dihydrocarbylamino metal compounds |
December 14, 2004 |
| This invention provides a process of preparing dihydrocarbylamido metal compounds. This process comprises bringing together, in a liquid reaction medium, at least one metal halide, MX.sub.4, where M is titanium, zirconium, or hafnium, and X is a halogen atom, with at least one dihydr |
