Spielman, Jr.; E. E. - US Patent Attorneys and Agents

Attorney: Spielman, Jr.; E. E.

Number of patents: 105
Last date: March 04, 2003

Browse patents
Browse applications

Number	Title	Issue Date
6528665	Preventing undesired odor in and/or purifying alkanediols Epoxyalkanes are subjected to at least one of the following washing operations: (1) washing with aqueous inorganic base, and then with aqueous borohydride, or vice versa; or (2) washing with an aqueous solution of both inorganic base and borohydride. Unde...	03/04/2003
6448410	Production of compacted biocidal agent from particulate biocidal agent without using a binder A shape-retentive compacted article is produced from 1,3-dibromo-5,5-dimethylhydantoin particulate solids by (a) granulating the particulate solids without use of a binder, and (b) pressure compacting granulated 1,3-dibromo-5,5-dimethylhydantoin granules ...	09/10/2002
6432380	Synthesis of aluminosilicates via cofeeding an alkali metal aluminate and sodium silicate and cofeeding apparatus therefor Synthetic zeolite is produced by force feeding separate aqueous streams of sodium silicate and of an alkali metal aluminate into coaxial alignment with each other. The coaxially aligned solutions are then introduced into in an open space in coaxial fashio...	08/13/2002
6432294	Electrochemical activation of organic disulfides for electrophilic substitution Electrochemical oxidation of organic disulfides is conducted in an electrolytic solution containing an arene (e.g., anthracene, acenaphthylene, phenanthrene), and depending on the arene used and/or the product desired, an organic base (e.g., pyridine) to ...	08/13/2002
6420617	Process for producing hexabromocyclododecane This invention relates to the production of an hexabromocyclododecane product, which process comprises brominating cyclododecatriene in the presence of a 1,4-dioxane and water based solvent and from about 0.5 to about 30 wt % bromide ion in the liquid pha...	07/16/2002
6414060	Flame retardant polycarbonate-ABS polymer compositions Thermoplastic polycarbonate-ABS resin is rendered flame retardant by blending with the resin an O,O-diaryl-N-arylphosphoramidate, an arylene-N,N'-bis(O,O-diarylphosphoramidate) in which the nitrogen atoms are in the 1,3 or 1,4 positions on an arylene ring...	07/02/2002
6399685	Purification of arylene polyphosphate esters Emulsion formation is minimized or prevented and hydrolytic product degradation is suppressed during purification of impure bisphenol-A bis(diphenylphosphate). This is accomplished by forming a hydrocarbon solution of bisphenol-A bis(diphenylphosphate) pl...	06/04/2002
6375991	Production of concentrated biocidal solutions The production process comprises A) forming 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 propo...	04/23/2002
6369017	Compositions for surface cleaning in aerosol applications When certain weight ratios of certain flammable additive components (an ether and an epoxyalkane) are blended in n-propyl bromide, the components can actually function as flame retardants or flame suppressants when the resulting cleaning composition is us...	04/09/2002
6352725	Continuous processes for preparing concentrated aqueous liquid biocidal composition The process involves (a) continuously forming bromine chloride from separate feed streams of bromine and chlorine by maintaining said streams under automatic feed rate control whereby the streams are continuously proportioned to come together in equimolar...	03/05/2002
6348219	Processes for preparing concentrated aqueous liquid biocidal compositions The process involves (a) continuously forming bromine chloride from separate feed streams of bromine and chlorine by maintaining said streams under automatic feed rate control whereby the streams are continuously proportioned to come together to form brom...	02/19/2002
6326439	Process for brominating polystyrenic resins This invention relates to a thermally stable brominated polystyrene having less than 100 ppm total Cl-, above about 68 wt % bromine and less than about 6,000 ppm hydrolyzable halide. The brominated polystyrene exhibits little or no polymer cros...	12/04/2001
6322822	Biocidal applications of concentrated aqueous bromine chloride solutions Methods for disinfecting surfaces and for sanitizing bodies of water using a single-feed, bromine-based biocide are described. These methods use concentrated liquid biocide compositions comprising biocidally active bromine as the biocide. Also described i...	11/27/2001
6319432	Bisphenol-A bis(diphenyl phosphate)-based flame retardant Disclosed is a flame retardant comprising bisphenol A bis(diphenyl phosphate) and its dimer, the former having an HPLC determined 78 to 87 area % and an 85 to less than 90 normalized area %, the normalized area % being based on the total HPLC area % of th...	11/20/2001
6307113	Selective bromination of aromatic compounds Aromatic substrates such as fluorobenzene can be selectively brominated in high yield and conversion in short reaction periods by reacting the substrate with a brominating agent in a liquid reaction medium and in the presence of a catalyst composition for...	10/23/2001
6306441	Concentrated aqueous bromine solutions and their preparation A concentrated liquid biocide composition is produced by a continuous process. The process comprises continuously feeding into mixing apparatus (i) bromine chloride and (ii) an aqueous solution of alkali metal salt of sulfamic acid. These are proportioned...	10/23/2001
6303038	Solid mixtures of dialkylhydantoins and bromide ion sources for water sanitization A water soluble dialkylhydantoin and a source of bromide ion are added to a body of water needing sanitization. This is followed by contacting the body of water with an oxidizing agent, which creates biocidal species in situ in the body of water....	10/16/2001
6299909	Concentrated aqueous bromine solutions and their preparation A concentrated liquid biocide composition is produced by a process which comprises continuously or intermittently feeding (i) bromine chloride into mixing apparatus where the bromine chloride contacts (ii) an aqueous solution of alkali metal salt of sulfa...	10/09/2001
6300527	Process for the preparation of tetrabromobisphenol-A This invention relates, inter alia, to a process for the production of tetrabromobisphenol-A by the bromination of bisphenol-A and/or underbrominated bisphenol-A, which process features: a water and water-miscible organic solvent reaction medium; a relati...	10/09/2001
6284935	Process for producing hexabromocyclododecane This invention relates to the production of an hexabromocyclododecane product, which process comprises brominating cyclododecatriene in the presence of a 1,4-dioxane and water based solvent and from about 0.5 to about 30 wt % bromide ion in the liquid pha...	09/04/2001
6281176	Process for producing betaine/amine oxide mixtures This invention provides a process for producing a betaine/amine oxide mixture. This process comprises reacting, in a liquid medium, an alkali metal ω-halocarboxylate with a first tertiary amine of the formula Ra2 Rb N, wh...	08/28/2001
6258770	Compositions for surface cleaning in aerosol applications When certain weight ratios of certain flammable additive components (an ether and an epoxyalkane) are blended in n-propyl bromide, the components can actually function as flame retardants or flame suppressants when the resulting cleaning composition is us...	07/10/2001
6235844	Brominated polystyrenic resins These novel brominated styrenic polymers have a bromine content in the range of about 60 to about 66 wt % bromine; a total chlorine content, if any, of less than 700 ppm; a GPC weight average molecular weight in the range of about 500,000 to about 800,000...	05/22/2001
6235831	Polymer compositions containing brominated polystyrenic resins A polyalkylene terephthalate polymer, such as polyethylene terephthalate, polybutylene terephthalate, blends or copolymers thereof, and analogous polyester-type engineering thermoplastics, with which has been blended a flame retardant amount of brominated...	05/22/2001
6235946	Process for the preparation of tetrabromobisphenol-A Tetrabromobisphenol-A is produced in a bromination process where no bromine or only a very small proportion of bromine is fed to the reactor. In the process aqueous hydrobromic acid, is the sole source or a major source of the bromine. In the process ther...	05/22/2001
6232393	Polymers flame retarded with brominated polystyrenic resins Flame retarded thermoplastic polymer compositions are formed by blending together a thermoplastic polymer and at least a flame retardant amount of a brominated styrenic polymer having, prior to blending, a total bromine content of at least about 50 wt % a...	05/15/2001
6232408	Brominated polstyrenic resins Novel brominated styrenic polymers have an ionic bromine content of 2000 ppm or less, and one or more of the following additional characteristics: (a) a TGA temperature for 1% weight loss which is 340° C. or higher, and a chlorine content, if any, of les...	05/15/2001
6221835	High density zeolites and their production Novel synthetic zeolite compositions of extremely small particle sizes that have increased loading capability, and process technology for producing such compositions are described. So far as is presently known, it has never been possible to form such comp...	04/24/2001
6218584	Process for the preparation of tetrabromobisphenol-A This invention relates, inter alia, to a process for the production of tetrabromobisphenol-A by the bromination of bisphenol-A and/or underbrominated bisphenol-A, which process features: a water and water-miscible organic solvent reaction medium; a relati...	04/17/2001
6207838	Electrochemically generated organothiating reagents and their use Electrolysis of organic disulfides in liquid sulfur dioxide is used to obtain organothiating agents, which can then be reacted with appropriate substrates to effect the synthesis of organothioaromatic compounds efficiently and in high yields. With appropr...	03/27/2001
6207765	Process for brominated styrenic polymers This invention relates to the bromination of styrenic polymers by contacting same with a brominating agent in the presence of a bromination catalyst and, as a reaction solvent, bromochloro-methane....	03/27/2001
6165284	Method for inhibiting tarnish formation during the cleaning of silver surfaces with ether stabilized, N-propyl bromide-based solvent systems Silver tarnishing is inhibited when using ether stabilized, n-propyl bromide based cleaning compositions by including a saturated aliphatic alcohol in the compositions....	12/26/2000
6166255	Production of tertiary amine oxides Exothermic oxidation of tertiary amine with aqueous hydrogen peroxide in an aqueous reaction medium formed or being formed from tertiary amine, aqueous hydrogen peroxide, carbon dioxide, and optionally chelating agent and/or additional water, is initiated...	12/26/2000
6162953	Process for the preparation of tetrabromobisphenol-A This invention relates to a process for the production of tetrabromobisphenol-A by the bromination of bisphenol-A, which process features the addition of bisphenol-A to a reaction mass containing unreacted Br2 and 30 to 85 wt % water and an alc...	12/19/2000
6133381	Brominated polystyrenic flame retardants This invention relates to a thermally stable brominated polystyrene composition which contains alkali metal base (e.g., NaOH) in an amount less than about 1 wt % such that if the flame retardant is dissolved in bromochloromethane and the resultant solutio...	10/17/2000
6133221	Fluorinated hydrobromocarbon solvent cleaning process and composition A cleaning process suitable for both mild and aggressive applications employs non-flammable, non-corrosive and environmentally friendly, fluorinated hydrobromocarbon solvent based cleaning compositions....	10/17/2000
6121500	Production of 6-bromo-2-naphthol and derivatives A mixture of water and a glycol, such as ethylene glycol, is employed as the solvent for the reaction between 1,6-dibromo-2-naphthol and an alkali metal sulfite in the preparation of 6-bromo-2-naphthol and its derivatives to effect a substantial reduction...	09/19/2000
6121490	Production of solid tertiary amine oxides A process for producing tertiary amine oxide having two methyl or ethyl groups and one long chain primary aliphatic group in a stable, solid form is described. Aqueous 65-90% hydrogen peroxide and tertiary amine having two methyl or ethyl groups and one p...	09/19/2000
6114293	Movie film cleaning process using halogenated hydrobromocarbon solvents A process for cleaning movie film, and especially cellulose acetate based polymer film, without causing film damage, comprises immersing the film into a cleaning solvent composition which comprises one or more halogenated hydrobromocarbons having from 1 t...	09/05/2000
6110387	Sulfamate stabilization of a bromine biocide in water This invention describes a method for stabilizing bromine biocides in water. A water-soluble bromide salt and a sulfamate source are added to a body of water, and then an oxidant is added to the body of water to form the biocidal bromine species....	08/29/2000

«First «Previous1 2 3 Next»Last»

PatentStorm

Quotables

PatentStorm News

Attorney: Spielman, Jr.; E. E.