Patents Assigned to Bromine Compounds Ltd.
  • Fire retardant formulations
    Patent number: 7695650
    Abstract: A fire-retardant formulation for styrene-containing polymers comprising tris(2,4,6-tribromophenoxy)-s-triazine (FR-245), antimony trioxide and polytetrafluoroethylene (PTFE), wherein the bromine concentration in said fire-retardant formulation is from about 9.0 to about 10.5 wt. %, said antimony trioxide concentration being lower than about 3.2 wt. %.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: April 13, 2010
    Assignee: Bromine Compounds Ltd.
    Inventors: Yoav Bar-Yaakov, Ita Finberg
  • METHOD, DEVICE AND SYSTEM FOR WATER TREATMENT
    Publication number: 20100006513
    Abstract: A device, system and method are provided for treating water, in which a water treating agent is prepared and dispensed to an untreated drinking water source in discrete and consecutive control volumes enabling untreated water in the untreated water source to be treated thereby to provide potable water.
    Type: Application
    Filed: August 2, 2007
    Publication date: January 14, 2010
    Applicants: BROMINE COMPOUNDS LTD., WDT-WERNER DOSIERTECHNIK GMBH & CO. KG
    Inventors: Theodore Fishler, David Feldman, Dietmar Werner
  • Flame retardant bromobenzyl systems
    Patent number: 7605207
    Abstract: Polybrominated bisaryl compounds containing bromomethyl or bromomethylene groups are provided, as well as flameproof polymeric formulations comprising the compounds. The novel compounds exhibit a good thermal stability, and are particularly suitable for flame-retarding polystyrene thermoplastic foams. A process for making the polybrominated bisaryl compounds is also provided.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: October 20, 2009
    Assignee: Bromine Compounds Ltd.
    Inventors: Jakob Oren, Nasif Yassin, Joseph Zilberman, Dorit Canfi, Ron Frim, Dov Beruben
  • Synthesis of aromatic polyhalogenated halomethyl compounds
    Patent number: 7601774
    Abstract: The present invention discloses a process for the preparation of highly pure pentabromobenzyl bromide, PBB-Br, wherein the benzylic bromination reaction is carried out in a suitable organic solvent in the presence of water and wherein the reaction temperature is such that it is sufficient to activate the initiator but not high enough to consume a substantial amount thereof.
    Type: Grant
    Filed: July 19, 2005
    Date of Patent: October 13, 2009
    Assignee: Bromine Compounds Ltd.
    Inventors: Nurit Kornberg, Michael Adda, Michael Peled
  • SOLID PRODUCT FOR PREPARING A DRILLING FLUID
    Publication number: 20090253593
    Abstract: A granulated calcium bromide product is provided, and a method for its manufacture. The product, obtained by wet granulation or by dry granulation, contains at least 80 wt. % calcium bromide, and it is particularly suitable for preparing dense calcium bromide brines used as a drilling fluid.
    Type: Application
    Filed: September 14, 2006
    Publication date: October 8, 2009
    Applicant: BROMINE COMPOUNDS LTD.
    Inventors: Michel Adda, Gideon Shikolsky, Alina Bahat
  • Process for preparing polybrominated compounds
    Publication number: 20090227816
    Abstract: A process for preparing a polybrominated product such as decabromodiphenyl ether and decabromodiphenyl ethane, which comprises brominating a reduced particle size precursor of said polybrominated product in an organic solvent or in bromine as a solvent, wherein the bromination is carried out either concurrently with or subsequent to said particle size reduction, forming the polybrominated product and separating the same from the reaction mixture.
    Type: Application
    Filed: February 26, 2009
    Publication date: September 10, 2009
    Applicant: BROMINE COMPOUNDS LTD.
    Inventors: Haim Stollar, Gershon Miaskovski, Aharon Meirom, Michael Peled, Jie Yu, Iris Ben David
  • Flame-retardant polystyrenes
    Patent number: 7585912
    Abstract: The present invention relates to a styrenic polymer composition comprising a flame-retardant effective amount of a compound of formula (I): (C6H(5-n)Yn)CH2X, wherein X is Cl or Br; Y is Cl or Br; and n is an integer between 1 and 5; or a mixture of two or more of said compounds of formula (I) or their homologues and derivatives or other Br-FRs.
    Type: Grant
    Filed: July 19, 2005
    Date of Patent: September 8, 2009
    Assignee: Bromine Compounds Ltd.
    Inventors: Nurit Kornberg, Jakob Oren, Smadar Hini, Michael Peled
  • Multifunctional Solid Formulations for Water Conditioning
    Publication number: 20090220559
    Abstract: Solid formulations for use in water conditioning of circulating reservoirs, processes of preparing same and methods for water conditioning utilizing same are disclosed. The solid formulations combine a sanitizer with a bath salt and/or an odoriferous substance.
    Type: Application
    Filed: April 25, 2007
    Publication date: September 3, 2009
    Applicant: Bromine Compounds Ltd.
    Inventors: David Feldman, Theodore M. Fishler, Amiram Groweiss, Aharon Weissman, Gideon Shikolsky, Moshe Link
  • PROCESS FOR THE PREPARATION OF CONCENTRATED SOLUTIONS OF STABILIZED HYPOBROMITES
    Publication number: 20090175962
    Abstract: The invention provides stabilized concentrated aqueous solutions of alkali hypobromites, as well as a process for the preparation of said stabilized concentrated solutions at low temperatures, comprising reacting a concentrated alkali hydroxide aqueous solution with bromine, adding to the non-stabilized reaction product an aqueous solution of a sulfamic compound to stabilize the hypobromite, and oxidizing bromide to produce additional hypobromite.
    Type: Application
    Filed: March 2, 2009
    Publication date: July 9, 2009
    Applicant: Bromine Compounds Ltd.
    Inventors: Theodor Morel Fishler, David Feldman
  • PROCESS FOR THE PREPARATION OF CONCENTRATED SOLUTIONS OF STABILIZED HYPOBROMITES
    Publication number: 20090142417
    Abstract: The invention is a process for the preparation of stabilized aqueous solutions of alkali hypobromites at low temperatures, which comprises reacting a concentrated alkali hydroxide aqueous solution with bromine, and adding to the reaction product, which is a non-stabilized solution, an aqueous solution of a sulfamic compound, such as sodium sulfamate, thus forming a stabilized alkali hypobromite solution.
    Type: Application
    Filed: January 14, 2009
    Publication date: June 4, 2009
    Applicant: BROMINE COMPOUNDS LTD.
    Inventors: Theodor Morel Fishler, David Feldman
  • Formulations Containing a Non-Oxidative Biocide and a Source of Active Halogen and Use Thereof In Water Treatment
    Publication number: 20090117202
    Abstract: Novel formulations containing a non-oxidative biocide, such as DBNPA, and a source of an in situ produced active biocide, such as a concentrated aqueous solution of an inorganic halide salt, are disclosed. These novel formulations are particularly effective in the treatment of water, and are characterized by high stability, desirable rheological properties and an excellent biocidal activity.
    Type: Application
    Filed: February 25, 2007
    Publication date: May 7, 2009
    Applicant: BROMINE COMPOUNDS LTD.
    Inventors: David Feldman, Michel Adda, Raymond J. Roccon
  • Flame retardant compositions
    Patent number: 7504449
    Abstract: Novel formulations comprising pentabromobenzylbromide (PBBBr) and a carrier, for use as a flame retardant for application on a substrate, and processes for their preparation are disclosed. Further disclosed are articles-of-manufacture having these formulations applied thereon, and the use of PBBBr as a flame retardant for application on a substrate. These novel formulations are particularly effective as flame retardants for textiles, and are characterized by a low add-on and a high washing fastness.
    Type: Grant
    Filed: February 23, 2007
    Date of Patent: March 17, 2009
    Assignee: Bromine Compounds Ltd.
    Inventors: Royi Mazor, Itzhak Shalev, Asher Shoshan, Michael Peled
  • Flame Retardant Bromobenzyl Systems
    Publication number: 20080281024
    Abstract: Polybrominated bisaryl compounds containing bromomethyl or bromomethylene groups are provided, as well as flameproof polymeric formulations comprising the compounds. The novel compounds exhibit a good thermal stability, and are particularly suitable for flame-retarding polystyrene thermoplastic foams. A process for making the polybrominated bisaryl compounds is also provided.
    Type: Application
    Filed: November 16, 2006
    Publication date: November 13, 2008
    Applicant: BROMINE COMPOUNDS LTD.
    Inventors: Jakob Oren, Nasif Yassin, Joseph Zilberman, Dorit Canfi, Ron Frim, Dov Beruben
  • Aqueous suspensions of pentabromobenzyl acrylate
    Patent number: 7384579
    Abstract: Pentabromobenzyl acrylate (PBBMA), a useful flame retardant insoluble in water, is provided as an aqueous fluid for industrial applications. The fluid is an easy to handle, stable suspension of finely ground PBBMA in water.
    Type: Grant
    Filed: March 8, 2005
    Date of Patent: June 10, 2008
    Assignee: Bromine Compounds Ltd.
    Inventors: Gad Friedman, Emanuel Buchbinder, Nurit Kornberg
  • Methods of fire retarding textiles with aqueous suspensions of pentabromobenzyl acrylate
    Patent number: 7338533
    Abstract: A process for the fire retardation of textile materials comprising applying to the textile materials aqueous suspensions of finely ground pentabromobenzyl acrylate particles, suspending agents chosen from xanthan gums, anionic purified suspending agents, nonionic purified suspending agents, sodium montmorillonite, naphthalene sulfonic acid-formaldehyde condensate sodium salt, sodium, calcium or ammonium salts of sulphonated lignin, acrylic acids/acrylic acids ester copolymer neutralized-sodium polycarboxyl, and wetting agents chosen from alkyl ethers, arylalkyl ethers, fatty acid diester and sorbitan monoesters, and polyoxyethylene compounds.
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: March 4, 2008
    Assignee: Bromine Compounds Ltd.
    Inventors: Gad Friedman, Emanuel Buchbinder, Nurit Kornberg
  • Aqueous suspensions of pentabromobenzyl acrylate
    Patent number: 7317060
    Abstract: Suspensions of PBBMA, characterized in that they comprise PBBMA in the form of finely ground particles and contain suspending agents chosen from among xanthene gums, anionic or nonionic purified, sodium modified montmorilonite, naphthalene sulfonic acid-formaldehyde condensate sodium salt, sodium or calcium or ammonium salts of sulfonated lignin, acrylic acids/acrylic acids ester copolymer neutralized-sodium polycarboxyl, and wetting agents chosen from among alkyl ether, alkylaryl ether, fatty acid diester and sorbitan monoester types, polyoxyethylene (POE) compounds.
    Type: Grant
    Filed: August 11, 2004
    Date of Patent: January 8, 2008
    Assignee: Bromine Compounds Ltd.
    Inventors: Gad Friedman, Emanuel Buchbinder, Nurit Kornberg
  • Flame retardant composition
    Publication number: 20070252116
    Abstract: A flame retardant composition which comprises a first liquid, which is selected from the group consisting of non-halogenated polyols and mixtures thereof; a second liquid, which is selected from the group consisting of halogenated polyols or mixtures thereof; and tetrabromobisphenol A.
    Type: Application
    Filed: May 1, 2007
    Publication date: November 1, 2007
    Applicant: Bromine Compounds Ltd.
    Inventors: Mark Gelmont, Michael Peled, Dina Alon, Ron Frim
  • Methods, formulations and articles of manufacturing for disinfecting substances, products and structures
    Publication number: 20070249501
    Abstract: Novel pesticide formulations, articles-of-manufacturing and methods for disinfecting substances, products or structures for controlling plant pests, utilizing bromopicrin, a degradation product thereof or an analog thereof are provided.
    Type: Application
    Filed: June 11, 2007
    Publication date: October 25, 2007
    Applicant: Bromine Compounds Ltd.
    Inventors: Ron Frim, Menachem Assaraf
  • Synthesis of Aromatic Polyhalogenated Halomethyl Compounds
    Publication number: 20070205403
    Abstract: The present invention discloses a process for the preparation of highly pure pentabromobenzyl bromide, PBB-Br, wherein the benzylic bromination reaction is carried out in a suitable organic solvent in the presence of water and wherein the reaction temperature is such that it is sufficient to activate the initiator but not high enough to consume a substantial amount thereof.
    Type: Application
    Filed: July 19, 2005
    Publication date: September 6, 2007
    Applicant: BROMINE COMPOUNDS LTD.
    Inventors: Nurit Kornberg, Michael Adda, Michael Peled
  • Novel flame retardant compositions
    Publication number: 20070197112
    Abstract: Novel formulations comprising pentabromobenzylbromide (PBBBr) and a carrier, for use as a flame retardant for application on a substrate, and processes for their preparation are disclosed. Further disclosed are articles-of-manufacture having these formulations applied thereon, and the use of PBBBr as a flame retardant for application on a substrate. These novel formulations are particularly effective as flame retardants for textiles, and are characterized by a low add-on and a high washing fastness.
    Type: Application
    Filed: February 23, 2007
    Publication date: August 23, 2007
    Applicant: Bromine Compounds Ltd.
    Inventors: Royi Mazor, Itzhak Shalev, Asher Shoshan, Michael Peled