Patents by Inventor Vladimir Chaplinski

Vladimir Chaplinski 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: 6875889
    Abstract: The invention relates to compounds of formula (I), prepared by quaternising a compound (II) by means of at least one compound R3—X?: R1=H or —CH3; R2=—CH3; —C2H5; —C3H7 or —C4H9; and compound (I) is optionally quaternised on one of the nitrogens, which is symbolised by the fact that the R3, X?and ? associated with this nitrogen are shown between brackets; if compound (I) is quaternised on a single nitrogen, R3 and X? have the following meanings: (1) R3=—CH3 or —CH2C6H5; and X?=Cl? or CH3OSO3?; or (2) R3=a C1-C12-alkyl group; and X?=Br? or I?; if compound (I) is quaternised on both nitrogens, the two X? may be the same or different and the two R3 may be the same, in which case: (3) R3=a C5-C12 alkyl group; and X?=CH3OSO3?, Br? or I?; or different, in which case: (4) one of the R3=—CH3 or —CH2C6H5; and X?=Cl? or CH3OSO3?; and the other=a C5-C12-alkyl group; and X?=Br? or I?.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: April 5, 2005
    Assignee: ARKEMA
    Inventors: Alain Riondel, Vladimir Chaplinski, Denis Tembou N'Zudie
  • Patent number: 6673884
    Abstract: To prepare compound (I), a quaternising agent R3—X⊖ is introduced into a solution, in an organic solvent or a mixture of organic solvents, of a compound of formula (III), at a temperature of 35 to 80° C., and the reaction is then allowed to continue at said temperature until compound (III) has disappeared completely or substantially completely, after which water is added and then an aqueous solution of compound (I) is separated and the water removed as necessary. R1=H or —CH3; R2=one of —CH3, —C2H5, —C3H7 and —C4H9; the two R3 are the same or different and each represents one of —CH3, —C2H5, —C3H7, —C4H9 and —CH2C6H5; and the two X⊖ are the same or different and each represents Cl⊖ or Br⊖.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: January 6, 2004
    Assignee: Atofina
    Inventors: Alain Riondel, Denis Tembou N'Zudie, Marc Esch, Vladimir Chaplinski, Didier Vanhoye
  • Publication number: 20030100679
    Abstract: The invention relates to compounds of formula (I), prepared by quaternising a compound (II) by means of at least one compound R3−x⊖: 1
    Type: Application
    Filed: October 18, 2002
    Publication date: May 29, 2003
    Inventors: Alain Riondel, Vladimir Chaplinski, Denis Tembou n'Zudie
  • Publication number: 20030050417
    Abstract: To prepare compound (I), a quaternising agent R3—X{circle over (−)} is introduced into a solution, in an organic solvent or a mixture of organic solvents, of a compound of formula (III), at a temperature of 35 to 80° C., and the reaction is then allowed to continue at said temperature until compound (III) has disappeared completely or substantially completely, after which water is added and then an aqueous solution of compound (I) is separated and the water removed as necessary.
    Type: Application
    Filed: August 28, 2002
    Publication date: March 13, 2003
    Inventors: Alain Riondel, Denis Tembou N'Zudie, Marc Esch, Vladimir Chaplinski, Didier Vanhoye
  • Patent number: 6479661
    Abstract: The invention relates to a method for disubstituting carboxylic acid amides on a geminal carbonyl-C-atom using a Grignard reagent in the presence of an organotitanate.
    Type: Grant
    Filed: March 23, 2001
    Date of Patent: November 12, 2002
    Assignee: Merck Patent Gesellschaft
    Inventors: Herwig Buchholz, Urs Welz-Biermann, Armin Meijere, Vladimir Chaplinski
  • Patent number: 6469204
    Abstract: These compounds are represented by the formulae (Ia) and (Ib). To prepare them, in a first stage, p-xylylene dichloride is reacted with a compound (II) to produce a compound (III) and, in a second stage, the compound (III) thus obtained is reacted with a compound of formula (IVa) or (IVb), resulting in an aqueous solution of the compound (Ia) or (Ib) respectively, the water of which is removed, if appropriate.
    Type: Grant
    Filed: October 30, 2001
    Date of Patent: October 22, 2002
    Assignee: Atofina
    Inventors: Alain Riondel, Vladimir Chaplinski
  • Publication number: 20020091284
    Abstract: These compounds are represented by the formulae (Ia) and (Ib). To prepare them, in a first stage, p-xylylene dichloride is reacted with a compound (II) to produce a compound (III) and, in a second stage, the compound (III) thus obtained is reacted with a compound of formula (IVa) or (IVb), resulting in an aqueous solution of the compound (Ia) or (Ib) respectively, the water of which is removed, if appropriate.
    Type: Application
    Filed: October 30, 2001
    Publication date: July 11, 2002
    Applicant: ATOFINA
    Inventors: Alain Riondel, Vladimir Chaplinski
  • Patent number: 6043393
    Abstract: The present invention relates to a process for preparing cyclopropylamines of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 have specified meanings, by reacting(1) a carboxamide of the formula ##STR2## wherein R.sup.1, R.sup.2, and R.sup.3 have specified meanings, with(2) an olefin of the formula ##STR3## wherein R.sup.4, R.sup.5, and R.sup.6 have specified meanings, (3) alkylmagnesium halides or zinc alkyl compounds of the formulaR.sup.8 --X (VIII),wherein R.sup.8 has a specified meaning and X represents MgCl, MgBr, Mgl, ZnCl, ZnBr, Znl, or ZnR.sup.8, and(4) orthometallates of the formula (IX) ##STR4## wherein R.sup.9 has a specified meaning, Y represents Ti, Zr, or V.dbd.O, and Z represents chlorine, bromine, or C.sub.1 -C.sub.4 -alkyl,with the provisos that when is Y os Ti or Zr, then is 3 or 4 and r are zero or 1 and the sum q+r=4, and that when Y is V.dbd.O, then q represents 3 and r represents zero.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: March 28, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Armin de Meijere, Vladimir Chaplinski, Alexandre Kourdioukov