Patents by Inventor Trupti Dave

Trupti Dave has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10221301
    Abstract: The invention relates to flame retardants for plastics such as, for example, synthetic polymers and plastic compositions, as well as corresponding production methods and uses.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: March 5, 2019
    Assignee: J.M. Huber Corporation
    Inventors: Marcus Leistner, Rudolf Pfaendner, Trupti Dave, Hans-Günter Köstler, Wolfgang Wehner, Yann Bourgeois
  • Patent number: 9453117
    Abstract: The present invention relates to phosphorous-containing triazine compounds. Polymers containing the phosphorous-containing triazine compounds also are provided. The polymers may include thermoplastic or thermoset polymers. The phosphorous-containing triazine compounds may be flame retardants.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: September 27, 2016
    Assignee: J.M. HUBER CORPORATION
    Inventors: Trupti Dave, Wolfgang Wehner
  • Publication number: 20160053088
    Abstract: The present invention relates to phosphorous-containing triazine compounds. Polymers containing the phosphorous-containing triazine compounds also are provided. The polymers may include thermoplastic or thermoset polymers. The phosphorous-containing triazine compounds may be flame retardants.
    Type: Application
    Filed: November 3, 2015
    Publication date: February 25, 2016
    Inventors: Trupti Dave, Wolfgang Wehner
  • Publication number: 20150376375
    Abstract: The invention relates to flame retardants for plastics such as, for example, synthetic polymers and plastic compositions, as well as corresponding production methods and uses.
    Type: Application
    Filed: February 12, 2014
    Publication date: December 31, 2015
    Inventors: Marcus Leistner, Rudolf Pfaendner, Trupti Dave, Hans-Günter Köstler, Wolfgang Wehner, Yann Bourgeois
  • Patent number: 9200122
    Abstract: The present invention relates to phosphorus-containing triazine compounds of the formula (I) and (III) and to the polymers obtainable from the water-eliminating polycondensation of a compound of the formula (II), and to the use thereof as flame retardants.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: December 1, 2015
    Assignee: J. M. Huber Corporation
    Inventors: Trupti Dave, Wolfgang Wehner
  • Publication number: 20140364570
    Abstract: The present invention relates to phosphorus-containing triazine compounds of the formula (I) and (III) and to the polymers obtainable from the water-eliminating polycondensation of a compound of the formula (II), and to the use thereof as flame retardants.
    Type: Application
    Filed: June 16, 2014
    Publication date: December 11, 2014
    Inventors: Trupti DAVE, Wolfgang WEHNER
  • Patent number: 8754154
    Abstract: The present invention relates to phosphorus-containing triazine compounds of the formula (I) and (III) and to the polymers obtainable from the water-eliminating polycondensation of a compound of the formula (II), and to the use thereof as flame retardants. [(A-H)+]m[Mm+(HPO42?)m]??(III-1), [(A-H)+]m[Mm+(P2O74?)m/2]??(III-2).
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: June 17, 2014
    Assignee: Catena Additives GmbH & Co. KG
    Inventors: Trupti Dave, Wolfgang Wehner
  • Patent number: 8506854
    Abstract: The present invention relates to a stabilizer system for halogenated polymers comprising, as component (A), calcium monocarbonatohydroxodialuminate of the formula (A) CamAl2(OH)6+2(m-1)CO3*nH2O??(A), where m=from 3.8 to 4.2, and n=from 0 to 3, and, as component (B), a catena-2,2?,2?-nitrilotrisethanolperchloratolithium or -sodium coordination polymer (B1) with a monomer unit of the formula where Mt=Li or Na, An=OClO3 and q=1, and/or a quaternary or ternary ammonium or phosphonium perchlorate (B2). The present invention further relates to compositions and articles comprising these stabilizer systems, and to the use of the systems and compositions.
    Type: Grant
    Filed: August 4, 2008
    Date of Patent: August 13, 2013
    Assignee: Nabaltec AG
    Inventors: Trupti Dave, Wolfgang Wehner
  • Publication number: 20110245383
    Abstract: The present invention relates to phosphorus-containing triazine compounds of the formula (I) and (III) and to the polymers obtainable from the water-eliminating polycondensation of a compound of the formula (II), and to the use thereof as flame retardants. [(A-H)+]m[Mm+(HPO42?)m]??(III-1), [(A-H)+]m[Mm+(P2O74?)m/2]??(III-2).
    Type: Application
    Filed: July 16, 2008
    Publication date: October 6, 2011
    Inventors: Trupti Dave, Wolfgang Wehner
  • Publication number: 20110129628
    Abstract: The present invention relates to a stabilizer system for halogenated polymers comprising, as component (A), calcium monocarbonatohydroxodialuminate of the formula (A) CamAl2(OH)6+2(m?1)CO3*nH2O??(A), where m=from 3.8 to 4.2, and n=from 0 to 3, and, as component (B), a catena-2,2?,2?-nitrilotrisethanolperchloratolithium or -sodium coordination polymer (B1) with a monomer unit of the formula where Mt=Li or Na, An=OClO3 and q=1, and/or a quaternary or ternary ammonium or phosphonium perchlorate (B2). The present invention further relates to compositions and articles comprising these stabilizer systems, and to the use of the systems and compositions.
    Type: Application
    Filed: August 4, 2008
    Publication date: June 2, 2011
    Inventors: Trupti Dave, Wolfgang Wehner
  • Patent number: 7741390
    Abstract: Stabilizer system for chlorinated polymers, especially PVC, comprising at least one coordination-polymeric triethanolamineperchlorato(triflato)metal inner complex comprising the monomer unit of the formula (A) The stabilizer system may additionally comprise substituted cyanoacetylureas or/and 6-aminouracils or/and 3-aminocrotonic esters or/and hydantoins or/and monomeric or polymeric dihydropyridines or alkaline earth metal hydroxides or/and hydrotalcites or/and dawsonites or/and zeolites or/and glycidyl compounds or/and cyanamides or/and cyanoguanidines or/and melamines. In addition, phosphites or/and sterically hindered amines or/and NOR-HALS compounds may be present.
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: June 22, 2010
    Assignee: Artemis Research GmbH & Co. KG
    Inventors: Wolfgang Wehner, Trupti Dave, Thomas Wannemacher
  • Publication number: 20090306257
    Abstract: The stabilizer system for chlorine-containing polymers, in particular PVC, comprises at least one linear or cyclic acylureide (A-1) and/or a polyaminocrotonic ester (A-2) and a polyepoxypropyl alcohol ether (B-1) and/or a cyanamide (derivative) (B-2). The stabilizer system may additionally comprise a sterically hindered amine (D) or a tertiary ethanolamine (E) and/or a perchlorate (C-1), perfluoroalkanesulfonate (C-2) and/or sulfate ester (C-3) salt. A typical example is a combination of N,N?-dimethyl-6-iminobarbituric acid as component (A-1), trisepoxypropylglycerol as component (B-1) or dicyandiamide as component (B-2). This combination additionally comprises sodium or potassium perchlorate as component (C-1). Further variants of the invention are the preparation of the stabilizer system, polymer compositions comprising the stabilizer system and utility articles thereof, such as window profiles or wire sheaths.
    Type: Application
    Filed: July 26, 2005
    Publication date: December 10, 2009
    Inventors: Wolfgang Wehner, Thomas Wannemacher, Trupti Dave
  • Publication number: 20090131564
    Abstract: Stabilizer system for chlorinated polymers, especially PVC, comprising at least one coordination-polymeric triethanolamineperchlorato(triflato)metal inner complex comprising the monomer unit of the formula (A) The stabilizer system may additionally comprise substituted cyanoacetylureas or/and 6-aminouracils or/and 3-aminocrotonic esters or/and hydantoins or/and monomeric or polymeric dihydropyridines or alkaline earth metal hydroxides or/and hydrotalcites or/and dawsonites or/and zeolites or/and glycidyl compounds or/and cyanamides or/and cyanoguanidines or/and melamines. In addition, phosphites or/and sterically hindered amines or/and NOR-HALS compounds may be present.
    Type: Application
    Filed: December 26, 2007
    Publication date: May 21, 2009
    Inventors: Wolfgang Wehner, Trupti Dave, Thomas Wannemacher
  • Publication number: 20090105387
    Abstract: Stabilizer system for chlorinated polymers, especially PVC, comprising at least one coordination-polymeric triethanolamineperchlorato(triflato)metal inner complex comprising the monomer unit of the formula (A) The stabilizer system may additionally comprise substituted cyanoacetylureas or/and 6-aminouracils or/and 3-aminocrotonic esters or/and hydantoins or/and monomeric or polymeric dihydropyridines or alkaline earth metal hydroxides or/and hydrotalcites or/and dawsonites or/and zeolites or/and glycidyl compounds or/and cyanamides or/and cyanoguanidines or/and melamines. In addition, phosphites or/and sterically hindered amines or/and NOR-HALS compounds may be present.
    Type: Application
    Filed: August 25, 2008
    Publication date: April 23, 2009
    Inventors: Wolfgang Wehner, Trupti Dave, Thomas Wannemacher