Patents Assigned to ICL-IP America Inc.
-
Patent number: 8772424Abstract: This invention relates to an epoxy resin composition, in particular a curable phosphorus containing flame retardant epoxy resin composition comprising epoxy resin and an epoxy resin chain-extending amount of a diaryl alkylphosphonate and/or diaryl arylphosphonate and a cross-linking agent. The curable flame retardant compositions are useful in e.g., printed wiring boards or molding compounds for electronic applications, protective coatings, adhesives, as well as structural and decorative composite materials.Type: GrantFiled: November 1, 2011Date of Patent: July 8, 2014Assignee: ICL-IP America Inc.Inventors: Sergei V. Levchik, Andrew Mieczyslaw Piotrowski, Joseph Zilberman, Stephen J. Chaterpaul
-
Publication number: 20140155527Abstract: There is provided herein a flame retarded polyolefin composition comprising a thermoplastic polyolefin polymer, an inorganic flame retardant and a synergist comprising a metal phosphonate represented by the formula: There is also provided a method for making a flame retarded polyolefin composition comprising contacting at least one thermoplastic polyolefin polymer with at least one inorganic flame retardant and at least one metal phosphonate and heating the mixture of thermoplastic polyolefin polymer, at least one inorganic flame retardant and at least one metal phosphonate above the melting temperature of the thermoplastic polyolefin polymer.Type: ApplicationFiled: June 12, 2013Publication date: June 5, 2014Applicant: ICL-IP America Inc.Inventors: Sergei V. Levchik, Gerald R. Alessio, Yankai Yang
-
Publication number: 20140005303Abstract: There is provided herein a flame retardant thermoplastic composition comprising: a. at least one thermoplastic polyester or polyamide; b. at least one brominated flame retardant; c. at least one metal phosphonate or phosphinate. There is also provided a method of making said flame retardant thermoplastic composition; and an article containing the thermoplastic polymer composition.Type: ApplicationFiled: December 20, 2011Publication date: January 2, 2014Applicant: ICL-IP America Inc.Inventors: Rachel Shtekler, Yoav Bar Yaakov, Pierre Georlette, Sergei V. Levchik
-
Publication number: 20130237623Abstract: A monohydroxy cyclic phosphonate substantially free of polyhydroxy phosphonate is employed as a reactive flame retardant in flexible polyurethane.Type: ApplicationFiled: September 19, 2011Publication date: September 12, 2013Applicant: ICL-IP America Inc.Inventors: Andrew Piotrowski, Anantha N. Desikan, Sophia Dashevsky
-
Publication number: 20130165564Abstract: There is provided herein an aluminum methyl methylphosphonate in crystalline form wherein 90% of the aluminum methyl methylphoshponate has a particle size of less than 10 microns, and wherein the aluminum methyl methylphosphonate is obtained by the process of reacting aluminum hydroxide with dimethyl methylphosphonate in the presence of a catalyst.Type: ApplicationFiled: June 21, 2011Publication date: June 27, 2013Applicant: ICL-IP America Inc.Inventors: Joseph Zilberman, Sergei V. Levchik, Andrew Gregor, Pierre Georiette, Yoav Bar Yaakov, Gideon Shikolski
-
Patent number: 8378012Abstract: A flame retardant composition is provided which contains at least one phosphate ester containing at least one acidic substance resulting from the process of its manufacture, at least one acidity-reducing hydrotalcite and, optionally, at least one acidity-reducing oxetane. The flame retardant composition is especially useful for addition to resins that are susceptible to hydrolytic degradation such as polyesters and polycarbonates, and to resin blends (alloys) containing one or more of such resins, e.g., a blend of polycarbonate and acrylonitrile butadiene-styrene terpolymer.Type: GrantFiled: November 7, 2006Date of Patent: February 19, 2013Assignee: ICL-IP America Inc.Inventors: Paul Y. Moy, Leslie Bright
-
Publication number: 20130032375Abstract: There is provided, herein a wire and/or cable comprising (a) a conductor and (b) a covering comprising a brominated epoxy oligomer; and, a phosphate ester.Type: ApplicationFiled: January 5, 2012Publication date: February 7, 2013Applicant: ICL-IP America Inc.Inventors: Pierre Georlette, Paul Y. Moy
-
Publication number: 20130025916Abstract: There is provided herein an epoxy laminate comprising (a) an epoxy resin composition further comprising (i) at least one curable epoxy resin, (ii) at least one curing agent, (iii) at least one curing catalyst; and, (iv) a flame retardant effective amount of at least one metal phosphonate represented by the general formula: where Me is a metal, n is equal to the valency of the metal which is in the range of from 1 to 4, R1 is a linear or branched alkyl of up to about 12 carbon atoms, R2 is a linear or branched alkyl of up to about 12 carbon atoms or a substituted aryl or unsubstituted aryl of general formula: where R3 hydrogen, or a branched or linear alkyl of up to about 4 carbon atoms, or NH2 or CN or NO2, (b) a reinforcing material; and, (c) a copper foil.Type: ApplicationFiled: January 27, 2012Publication date: January 31, 2013Applicant: ICL-IP America Inc.Inventors: Sergei V. Levchik, Anantha Desikan
-
Publication number: 20120283357Abstract: This invention relates to an epoxy resin composition, in particular a curable phosphorus containing flame retardant epoxy resin composition comprising epoxy resin and an epoxy resin chain-extending amount of a diaryl alkylphosphonate and/or diaryl arylphosphonate and a cross-linking agent. The curable flame retardant compositions are useful in e.g., printed wiring boards or molding compounds for electronic applications, protective coatings, adhesives, as well as structural and decorative composite materials.Type: ApplicationFiled: November 1, 2011Publication date: November 8, 2012Applicant: ICL-IP America Inc.Inventors: Sergei V. Levchik, Andrew Mieczyslaw Piotrowski, Joseph Zilberman, Stephen J. Chaterpaul
-
Patent number: 8299149Abstract: There is provided herein a process for purifying bisphosphate comprising solvating a molten bisphosphate in a mixture of water and water miscible solvent; cooling the solution over a period and to a temperature that provides for crystallization of solid product; increasing the pH of the solution prior to, and/or during, and/or after the initiation of crystallization, and/or after crystallization, by the addition of a base; and after crystallization is complete, separating solid product from the solution; washing the separated solid product in the same and/or different mixture of water and water miscible solvent; and, washing the solid product which has been washed in the mixture with water.Type: GrantFiled: December 21, 2009Date of Patent: October 30, 2012Assignee: ICL-IP America Inc.Inventors: Joseph Zilberman, Dorit Canfi, Andrew Gregor, Andrew Piotrowski
-
Patent number: 8198341Abstract: A method of making hydroxymethylphosphonate comprising heating paraformaldehyde in a solvent to a desired reaction temperature, wherein the solvent is present in at least an amount necessary to solvate or suspend the paraformaldehyde; adding at least one alkyl phosphite to the heated paraformaldehyde, to provide hydroxymethylphosphonate, the alkyl phosphite being added to the heated paraformaldehyde at a rate which will avoid or inhibit the production of a significant exotherm and resulting high/significant level of acid by-product(s), there being present in the reaction medium at least one hindered amine catalyst in which the nitrogen in the amine is directly bound to a secondary and/or tertiary carbon of an organic group; and, optionally, following the completion of the addition, heating the reaction mixture to an elevated temperature.Type: GrantFiled: December 18, 2008Date of Patent: June 12, 2012Assignee: ICL-IP America Inc.Inventors: Jeffrey Stowell, Ronald L. Pirrelll, Ryan Yanosy
-
Patent number: 8119711Abstract: An oligomeric phosphate or mixture of oligomeric phosphates having the general formula (I) wherein R1, R2, R3 and R4 each independently is aryl or alkaryl and n has an average value of from about 1.0 to about 2.0 and resin compositions containing the same.Type: GrantFiled: August 30, 2007Date of Patent: February 21, 2012Assignee: ICL-IP America Inc.Inventors: Paul Y. Moy, Andrew Gregor, II, Ronald L. Pirelli, Danielle A. Bright, Leslie Bright, legal representative
-
Patent number: 8097747Abstract: A process for alkylating a phosphorus-containing compound to provide an alkylated phosphorus-containing compound is provided which comprises alkylating 5 phosphorus-containing compound possessing at least one phosphorus-hydrogen alkylatable site with reactant which generates alkene and/or cycloalkene alkylating agent in situ in the presence of initiator, the alkylene and/or cycloalkylene alkylating agent alkylating the phosphorus-containing component to provide alkylated phosphorus-containing product.Type: GrantFiled: April 22, 2005Date of Patent: January 17, 2012Assignee: ICL-IP America IncInventors: Qiang Yao, Sergi V. Levchik
-
Patent number: 8058322Abstract: A flexible polyurethane foam-forming composition and the flexible polyurethane foam obtained therefrom contain, as flame-retardant additive, a halogen-free phosphonate compound which is substantially unreactive for isocyanate, contains at least about 5 weight percent phosphorus, has an acid value of about 2 mg KOH/g or less, a volatility as measured by thermogravimetric analysis not exceeding a 5.0 percent weight loss at a temperature of about 150° C., and a weight average molecular weight of from about 200 to about 2000.Type: GrantFiled: May 30, 2006Date of Patent: November 15, 2011Assignee: ICL-IP America Inc.Inventors: Andrew M. Piotrowski, Sophia Dashevsky, Sergei Levchik, Yingzhong Guo
-
Patent number: 8026303Abstract: The present invention relates to a halogen-free or substantially halogen-free flame-retardant composition comprising a blend of (i) at least one of each highly charring polymer (ii) at least one low volatility phosphate ester, and (iii) at least one compound which splits off a high volatility phosphorus-containing fragment. The invention also relates to a flame retarded thermoplastic composition wherein the flame retardant composition is blended with at least one thermoplastic resin (iv), preferable a polystyrene resin. The invention also relates to a process for manufacturing a flame retardant composition and a thermoplastic composition containing the same.Type: GrantFiled: January 5, 2007Date of Patent: September 27, 2011Assignee: ICL-IP America Inc.Inventors: Sergei V. Levchik, Gerald R. Alessio, Oiang Yao
-
Patent number: 8003722Abstract: A flame retarded thermoplastic polymer composition comprising a thermoplastic polymer and a mixture of metal salts of dialkylphosphinic and monoalkylphosphinic acid providing improved flame retardant performance and better processability compared to a similar composition containing only a salt of dialkylphosphinic acid.Type: GrantFiled: November 29, 2006Date of Patent: August 23, 2011Assignee: ICL-IP America Inc.Inventors: Sergei Levchik, Qiang Yao, Gerald R. Alessio
-
Publication number: 20110132646Abstract: There is provided herein a curable epoxy resin composition comprising at least one brominated epoxy resin, at least one flame retardant curing agent, and at least one curing catalyst.Type: ApplicationFiled: June 3, 2010Publication date: June 9, 2011Applicant: ICL-IP America Inc.Inventors: Sergei V. Levchik, Fabienne Samyn
-
Patent number: 7910665Abstract: An epoxy resin composition comprising an epoxy resin and, as the effective curing agent, an epoxy-reactive polyphosphonate which can be of the formula (I) where “Y” is an arylene and “n” can range from about 2 to about 30.Type: GrantFiled: May 19, 2004Date of Patent: March 22, 2011Assignee: ICL-IP America Inc.Inventors: Sergei Levchik, Andrew M. Piotrowski
-
Patent number: 7807737Abstract: A flame retarded thermoplastic polymer composition comprising a thermoplastic polymer and a metal salt of phosphinic acid possessing a desired degree of volatility.Type: GrantFiled: June 20, 2005Date of Patent: October 5, 2010Assignee: ICL-IP America Inc.Inventors: Qiang Yao, Sergei V. Levchik, Gerald R. Alessio