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Assignee: Supresta LLC


Location: Ardsley, NY
No. of patents: 7

NumberTitleIssue Date
7759522Process for purification of phosphate esters
A crude phosphate ester product can be purified by first washing it with chelating agent composition (such as a dilute acidic solution) and then, preferably, water, drying the resulting product, and then treating the resulting product with an acid scavenger, as exem...
07/20/2010
7700807Process to prepare alkyl phenyl phosphates
A process is provided for reacting dichloromonophenyl phosphate and monochlorodiphenyl phosphate with aliphatic alcohol in the presence of a Lewis acid catalyst and absence of solvent, at a temperature above 60 to 200° C. and pressure of 0.001 to 1.1 bara, and spar...
04/20/2010
7662876Arylalkylsilyls used as flame retardant additives
Flame retarded resin compositions comprise at least one resin selected from the group consisting of polycarbonate, polyester and mixtures thereof, and a flame retarding effective amount of at least one nonhalogenated arylalkylsilyl flame retardant, the flame retarde...
02/16/2010
7541415Process for preparing diaryl alkylphosphonates and oligomeric/polymeric derivatives thereof
A process is provided for the production of diaryl alkyl phosphonate by the reaction of triaryl phosphate with dialkyl alkyl phosphonate in the presence of alkali metal iodide catalyst; and, optionally, the diaryl alkyl phosphonate is reacted in situ with aromatic d...
06/02/2009
7442737Low acidity phosphate esters
A phosphate ester composition of low acidity achieved by treating the phosphate ester of high acidity with an oxetane compound. The phosphate ester can be represented by the formula (I), where Ar is an aryl or alkaryl group, R is an arylene or alkylene group, and n ...
10/28/2008
7427652Composition of epoxy resin, OH-terminated phosphonate oligomer and inorganic filler
An epoxy resin composition is disclosed that comprises an epoxy resin, a reactive phosphonate curing agent, an inorganic filler, whose presence allows for reduced amounts of phosphonate as compared to a composition not containing the filler, an optional polybenzoxaz...
09/23/2008
7407997Alkyl-aryl oligomeric phosphate ester and polymeric plasticizer blends for vinyl resins
A vinyl chloride polymer composition that contains a mixture of an alkylene-bridged bisphosphate composition, as a fire retardant, and a polyester plasticizer, which is the reaction product of an aliphatic diol and a dicarboxylic acid. ...
08/05/2008
 
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