Patents by Inventor Bansi Lal Kaul

Bansi Lal Kaul 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).

  • Publication number: 20190367701
    Abstract: Use of oligomeric or polymeric compounds according to the general formula I as organic synergists of fire and flame retardants in self-extinguishing polymeric compositions.
    Type: Application
    Filed: August 14, 2019
    Publication date: December 5, 2019
    Inventor: Bansi Lal KAUL
  • Publication number: 20170327665
    Abstract: Use of oligomeric or polymeric compounds according to the general formula I as organic synergists of fire and flame retardants in self-extinguishing polymeric compositions.
    Type: Application
    Filed: August 4, 2017
    Publication date: November 16, 2017
    Inventor: Bansi Lal KAUL
  • Publication number: 20160075849
    Abstract: Use of oligomeric or polymeric compounds according to the general formula I as organic synergists of fire and flame retardants in self-extinguishing polymeric compositions.
    Type: Application
    Filed: September 2, 2015
    Publication date: March 17, 2016
    Inventor: Bansi Lal KAUL
  • Publication number: 20150057395
    Abstract: Compounds consisting of an oligomer or a polymer of a 1,3,5-triazine derivative, having the general formula I: wherein: X is selected from: or X is a heterocyclic radical containing in the ring at least one nitrogen atom which radical is linked to the triazine ring through one of such nitrogen atoms, R2 is alkyl or cycloalkyl, R1 is a divalent radical of piperazine of the formula or R2 is a divalent radical according to the formula or R2 is a radical according to the formula Y n is an integer from 2 to 30, inclusive, m is an integer from 2 to 6, inclusive, p is an integer from 2 to 12, inclusive, and X1=OH, NH2 or X whereby X and X1 may be the same or different, and, X2=H or is a C1-C4 alkyl group, and a solvent-free process for the production of the compounds of Formula I as well as the use of the self-extinguishing oligomeric or polymeric compounds as flame retardants and light stabilizers in thermoplastic polymers such as polypropylene or regenerated cellulose or polyester.
    Type: Application
    Filed: October 31, 2014
    Publication date: February 26, 2015
    Inventor: Bansi Lal Kaul
  • Publication number: 20140011923
    Abstract: Compounds consisting of an oligomer or a polymer of a 1,3,5-triazine derivative, having the general formula I: wherein: X is selected from: or X is a heterocyclic radical containing in the ring at least one nitrogen atom which radical is linked to the triazine ring through one of such nitrogen atoms, R2 is alkyl or cycloalkyl, R1 is a divalent radical of piperazine of the formula or R2 is a divalent radical according to the formula or R2 is a radical according to the formula Y n is an integer from 2 to 30, inclusive, m is an integer from 2 to 6, inclusive, p is an integer from 2 to 12, inclusive, and X1?OH, NH2 or X whereby X and X1 may be the same or different, and, X2?H or is a C1-C4 alkyl group, and a solvent-free process for the production of the compounds of Formula I as well as the use of the self-extinguishing oligomeric or polymeric compounds as flame retardants and light stabilizers in thermoplastic polymers such as polypropylene or regenerated cellulose or polyester.
    Type: Application
    Filed: September 9, 2013
    Publication date: January 9, 2014
    Applicant: MCA Technologies GmbH
    Inventor: Bansi Lal Kaul
  • Publication number: 20120245291
    Abstract: Disclosed are self-extinguishing halogen-free polymer compositions comprising oligomers of a 1,3,5-triazine derivative, and processes for their production and for their use as additives to thermoplastic polymers in order to impart a self-extinguishing benefit thereto. The processes for the production of the disclosed oligomers of a 1,3,5-triazine derivative are solvent free processes which result in a halogen free polymer composition which includes the oligomers of the disclosed 1,3,5-triazine derivatives.
    Type: Application
    Filed: May 18, 2012
    Publication date: September 27, 2012
    Applicant: MCA Technologies GmbH
    Inventor: Bansi Lal Kaul
  • Patent number: 8202924
    Abstract: Compounds consisting of an oligomer or a polymer of a 1,3,5-triazine derivative, having the general formula I: and a solvent-free process for the production of the compounds of Formula I as well as the use of the self-extinguishing oligomeric or polymeric compounds as flame retardants and light stabilizers in thermoplastic polymers such as polypropylene or regenerated cellulose or polyester.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: June 19, 2012
    Assignee: MCA Technologies GmbH
    Inventor: Bansi Lal Kaul
  • Publication number: 20120071594
    Abstract: Compounds consisting of an oligomer or a polymer of a 1,3,5-triazine derivative, having the general formula I: and a solvent-free process for the production of the compounds of Formula I as well as the use of the self-extinguishing oligomeric or polymeric compounds as flame retardants and light stabilizers in thermoplastic polymers such as polypropylene or regenerated cellulose or polyester.
    Type: Application
    Filed: October 12, 2011
    Publication date: March 22, 2012
    Applicant: MCA Technologies GmbH
    Inventor: Bansi Lal Kaul
  • Patent number: 7728139
    Abstract: The present application relates to compounds of formula A(D)x(E)y, (I), compounds of formula (III), compounds of formula (X), as well as processes for the preparation thereof, processes where the compounds (I) are converted to pigments of formula (II) and the use of the compounds (I).
    Type: Grant
    Filed: June 24, 2003
    Date of Patent: June 1, 2010
    Assignee: MCA Technologies GmbH
    Inventor: Bansi Lal Kaul
  • Publication number: 20090281215
    Abstract: Compounds consisting of an oligomer or a polymer of a 1,3,5-triazine derivative, having the general formula I: wherein: X is selected from: or X is a heterocyclic radical containing in the ring at least one nitrogen atom which radical is linked to the triazine ring through one of such nitrogen atoms, R2 is alkyl or cycloalkyl, R1 is a divalent radical of piperazine of the formula or R2 is a divalent radical according to the formula or R2 is a radical according to the formula Y n is an integer from 2 to 30, inclusive, m is an integer from 2 to 6, inclusive, p is an integer from 2 to 12, inclusive, and X1?OH,NH2 or X whereby X and X1 may be the same or different, and, X2?H or is a C1-C4 alkyl group, and a solvent-free process for the production of the compounds of Formula I as well as the use of the self-extinguishing oligomeric or polymeric compounds as flame retardants and light stabilizers in thermoplastic polymers such as polypropylene or regenerated cellulose or polyester.
    Type: Application
    Filed: May 5, 2009
    Publication date: November 12, 2009
    Applicant: MCA Technologies GmbH
    Inventor: Bansi Lal Kaul
  • Publication number: 20090017307
    Abstract: The present invention relates to advantageous processes for the manufacture of organic pigments and their precursors. The invention particularly relates to reactions carried out in an “All In One Reactor”® (Draiswerke GmbH, Germany), a kneader like the TurbuKneader® of the same company, a paddle dryer like the Turbudry® of the same company or a related system and thereby submitting the reaction mixtures to enhanced driving power as expressed by a Froude number >1, the reaction mixture being caused to react in high concentrations at elevated temperature.
    Type: Application
    Filed: May 16, 2008
    Publication date: January 15, 2009
    Applicant: MCA TECHNOLOGIES, GMBH
    Inventor: Bansi Lal KAUL
  • Patent number: 7307170
    Abstract: The epindolidione compounds of the general formula (I) in which A?, R2 and A have the meanings given in claim 1, are outstanding pigments which are notable in particular for better migration, light and solvent fastnesses, better heat stability and enhanced colouring power and also better dispersibility and capability to be brought into pigment form. The invention also relates to a process for preparing these epindolidione compounds and to their use a colorants for colouring polymer compositions or paper pulps, as colorants in electrophotographic toners and developers, as colorants in ink-jet inks, as colorants in the coatings industry, as colorants for textile printing or as a printing ink in the graphical industry, as colorants in cosmetics.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: December 11, 2007
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bansi Lal Kaul, Bruno Piastra, Valérie Wolf, Frank Prokschy, Martin Ulrich Schmidt
  • Patent number: 7087677
    Abstract: This invention relates to copolymer compositions having pigment like properties, comprising a fluorescent or non-fluorescent dye attached to a polymer chain by a spacer having a chain length of C3 or longer. The invention also provides for new mono- and difunctional dye monomers comprising a polymerizable group attached to a dye moiety by a spacer of a chain length of C3 or longer. The polymer pigments provide excellent properties, especially high temperature stability and easy applicability as colorant in different standard polymers.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: August 8, 2006
    Inventors: Bansi Lal Kaul, Jean-Christophe Graciet, Mitchell A. Winnik, Frederic Tronc, Mei Li, Jianping Lu
  • Publication number: 20040231561
    Abstract: This invention relates to copolymer compositions having pigment like properties, comprising a fluorescent or non-fluorescent dye attached to a polyurea or polyurethane chain by a spacer.
    Type: Application
    Filed: June 16, 2004
    Publication date: November 25, 2004
    Inventors: Bansi Lal Kaul, Jean-Christophe Graciet, Nikolay N. Barashkov, Thomas C. Molloy, Ronghua Liu
  • Publication number: 20040138451
    Abstract: The epindolidione compounds of the general formula (I) 1
    Type: Application
    Filed: January 22, 2004
    Publication date: July 15, 2004
    Inventors: Bansi Lal Kaul, Bruno Piastra, Valerie Wolf, Frank Prokschy, Martin Ulrich Schmidt
  • Publication number: 20040063889
    Abstract: This invention relates to copolymer compositions having pigment like properties, comprising a fluorescent or non-fluorescent dye attached to a polymer chain by a spacer having a chain length of C3 or longer.
    Type: Application
    Filed: August 12, 2003
    Publication date: April 1, 2004
    Inventors: Bansi Lal Kaul, Jean-Christophe Graciet, Mitchell A. Winnik, Frederic Tronc, Mei Li, Jianping Lu
  • Patent number: 6638996
    Abstract: Use of the pigment of formula (I) in which X stands for Cl or CH3, and of formula (II) wherein R is phenyl or C12H25, for the coloration of polyolefins which do not warp.
    Type: Grant
    Filed: August 11, 2000
    Date of Patent: October 28, 2003
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bansi Lal Kaul, Bruno Piastra, Till Borchert
  • Patent number: 6617453
    Abstract: The triphendioxazine compounds of the general formula (I) in which the rings labeled A in positions 1,2-, 2,3- or 3,4- and 8,9-, 9,10- or 10,11- carry a linearly or angularly fused heterocyclic ring containing at least one nitrogen atom which is substituted or unsubstituted, with the proviso that compounds with only unsubstituted nitrogen atoms and symmetrically disubstituted compounds with C1-2alkyl and unsubstituted phenyl substituents are excluded, are outstanding pigments and are notable over the closest comparable pigments in particular for better migration, light and solvent fastnesses, better heat stability and enhanced colouring power and also better dispersibility and capability to be brought into pigment form. The invention also relates to a process for preparing these triphendioxazine compounds which is characterized by a cyclization step conducted in the presence of manganese dioxide and concentrated sulphuric acid.
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: September 9, 2003
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bansi Lal Kaul, Patrick Boeglin, Peter Kempter
  • Patent number: 6559306
    Abstract: This invention relates to new fluorescent or non-fluorescent dye compounds having a terminal hydroxy, carboxylic acid/ester or amino group and a process for their preparation. The new fluorescent or non-fluorescent dye compounds are useful as colorants for preparing colored synthetic polymer resins with pigmentary properties, for dyeing or printing homo- or mixed synthetic, semi-synthetic or natural polymers or substrates or for preparing inks. The dye compounds provide excellent properties, especially high temperature stability and easy applicability.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: May 6, 2003
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bansi Lal Kaul, Jean-Christophe Graciet
  • Patent number: 6540820
    Abstract: Compounds of the formula: where R1, R2, R3, R4, R5, R6, R7, R8, R′5, R′6, R′7, R′8 are hydroxy —NO2, —CN, —CF3, —CONH2, C1-12alkyl, phenyl, naphthyl, phenanthryl, anthryl, R9R10N—, R9—O—or R9—S—, —CONHR10, —CONR9R10 in which R9 and R10 are C1-C6-alkyl, C6-C10-aryl, (C6-C10)-aryl-(C1-C6)-alkyl or (C1-C6)-alkyl-(C6-C10)-aryl, in which the alkyl and/or aryl radicals can optionally be substituted by hydroxyl, C1-C6-alkoxy, C6-C10-aryloxy or halogen; and optionally, two adjacent groups can form an isocyclic or heterocyclic group; are eminently suitable for the mass coloring of polymers, in particular polar polymers, for coloring toners, powders and powder coating materials as well as for coloring ink-jet inks.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: April 1, 2003
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bansi Lal Kaul, Bruno Piastra, Valérie Wolf