Patents by Inventor Helge Willner

Helge Willner 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: 7632969
    Abstract: The present invention relates to a process for the preparation of perfluoroalkylphosphines comprising at least the reaction of at least one fluoro(perfluoroalkyl)phosphorane with at least one hydride ion donor, and to the use of tris(perfluoroalkyl)phosphines as perfluoroalkylating reagents.
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: December 15, 2009
    Assignee: Merck Patent GmbH
    Inventors: Urs Welz-Biermann, Nikolai Ignatyev, Michael Weiden, Michael Schmidt, Udo Heider, Alexej Miller, Helge Willner, Peter Sartori
  • Publication number: 20090253914
    Abstract: The invention relates to a process for the preparation of onium salts with dialkylphosphate, dialkylphosphinate or (O-alkyl)alkyl- or alkylphosphonate anions by reaction of an onium halide with a triallyl phosphate, alkyl dialkylphosphinate, dialkyl alkylphosphonate or trialkylsilyl ester or mixed alkyl trialkylsilyl ester of phosphoric, dialkylphosphinic or alkylphosphonic acid.
    Type: Application
    Filed: November 18, 2005
    Publication date: October 8, 2009
    Applicant: MERCK PATENT GMBH
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Andriy Kucheryna, Helge Willner
  • Publication number: 20090253905
    Abstract: The invention relates to a method for producing onium salts comprising alkyl anions or aryl sulfonate anions or alkyl carboxylate anions or acryl carboxylate anions by reacting an onium halide with an alkyl silyl ester or trialkyl silyl ester of an alkyl sulfonic acid or aryl sulfonic acid or an alkyl carboxylic acid or aryl carboxylic acid or the anhydrides thereof.
    Type: Application
    Filed: November 18, 2005
    Publication date: October 8, 2009
    Inventors: Nikolai (Mykola) Ignatyev, Urs Weiz-Biermann, Andriy Kucheryna, Helge Willner
  • Publication number: 20090253912
    Abstract: The invention relates to a method for producing onium salts with tetrafluoroborate anion by reacting an onium halide with an oxonium tetrafluoroborate, sulfonium tetrafluoroborate, or triphenylcarbonium tetrafluoroborate.
    Type: Application
    Filed: November 18, 2005
    Publication date: October 8, 2009
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Andriy Kucheryna, Helge Willner
  • Patent number: 7576242
    Abstract: The invention relates to a method for the production of organic salts containing bis(perfluoroalkyl)phosphinate anions. According to said method, a tris(perfluoroalkyl)phosphine oxide is reacted with an alcohol and an organic base, which is stronger than the alcohol. The invention also relates to the salts which are produced according to said method and to the use thereof as ionic liquids.
    Type: Grant
    Filed: October 26, 2004
    Date of Patent: August 18, 2009
    Assignee: Merck Patent GmbH
    Inventors: Nikolai Mykola Ignatyev, Urs Welz-Biermann, Helge Willner, Andriy Kucheryna
  • Patent number: 7550491
    Abstract: The present invention relates to salts comprising bis(trifluoromethyl)imide anions and saturated, partially or fully unsaturated, heterocyclic cations, to a process for the preparation thereof, and to the use thereof as ionic liquids.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: June 23, 2009
    Assignee: Merck Patent GmbH
    Inventors: Nikolai Ignatyev, Urs Welz-Biermann, Michale Schmidt, Helge Willner, Andriy Kucheryna
  • Patent number: 7541488
    Abstract: The invention relates to a method for producing mono(fluoroalkyl)phosphoric acids or bis(fluoroalkyl)phosphoric acids, mono(fluoroalkyl)phosphates or bis(fluoroalkyl)phosphates, and the corresponding phosphoranes thereof. The inventive method comprises at least the step of reacting a bis(fluoroalkyl)phosphonic acid, a (fluoroalkyl)phosphonic acid, or a corresponding derivative of said acids with anhydrous hydrogen fluoride.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: June 2, 2009
    Assignee: Merck Patent GmbH
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Michael Schmidt, Andriy Kucheryna, Helge Willner
  • Publication number: 20090036628
    Abstract: The present invention relates to oxonium salts having [(Ro)3O]+ cations and sulfonium salts having [(Ro)3S]+ cations, where Ro denotes straight-chain or branched alkyl groups having 1-8 C atoms or phenyl which is unsubstituted or substituted by Ro, ORo, N(Ro)2, CN or halogen, and anions selected from the group of [PFx(CyF2y+1?zHz)6?x]? anions, where 2?x?5, 1?y?8 and 0?z?2y+1, or anions selected from the group of [BFn(CN)4?n]? anions, where n=0, 1 , 2 or 3, or anions selected from the group of [(Rf1SO2)2N]? anions or anions selected from the group of [BFwRf24?w]? anions, to processes for the preparation thereof, and to the use thereof, in particular for the preparation of ionic liquids.
    Type: Application
    Filed: January 5, 2007
    Publication date: February 5, 2009
    Inventors: Nikolai (Mykola) Ignatyev, German Bissky, Helge Willner
  • Publication number: 20080275224
    Abstract: The present invention relates to dyes of the general formula CAT+ Y? (I), where Y? is an anion selected from the group of the cyanoborates, fluoroalkylphosphates, fluoroalkylborates or imidates and CAT+ is a cation selected from the group of the azine, xanthene, polymethine, styryl, azo, tetrazolium, pyrylium, benzopyrylium, thiopyrylium, benzothiopyrylium, thiazine, oxazine, triarylmethane, diarylmethane, methine, acridine, quinoline, isoquinoline or quaternary azafluorenone dyes, for colouring plastics and plastic fibres, for the preparation of flexographic printing inks, as ball-point pen pastes, as stamp ink, for colouring leather and paper, for use in data acquisition systems, reprography, in ink microfilters, in photogalvanics, laser technology and the photo industry.
    Type: Application
    Filed: July 22, 2004
    Publication date: November 6, 2008
    Inventors: Nikolai (Mykola) Ignatyev, Urs Weiz-Biermann, Helge Willner, Maik Finze, Eduard Bernhardt, Andriy Kucheryna
  • Patent number: 7439395
    Abstract: The present invention relates to a two-step process for the preparation of guanidinium salts of the formula (1), where the substituents R have a meaning indicated in Claim, and A? is a sulfonate, alkyl- or arylsulfate, hydrogensulfate, imide, methanide, carboxylate, phosphate, phosphinate, phosphonate, borate, thiocyanate, perchlorate, fluorosilicate or nitrate, and to intermediate compounds from this process.
    Type: Grant
    Filed: January 17, 2005
    Date of Patent: October 21, 2008
    Assignee: Merck Patent GmbH
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, German Bissky, Helge Willner
  • Publication number: 20080227987
    Abstract: The invention relates to a process for the preparation of onium alkylsulfites by reaction of an onium halide or carboxylate with a symmetrically substituted dialkyl sulfite or with an asymmetrically substituted dialkyl sulfite at temperatures of 0 to 70° C.
    Type: Application
    Filed: June 14, 2006
    Publication date: September 18, 2008
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Andriy Kucheryna, Helge Willner
  • Publication number: 20080221334
    Abstract: The invention relates to a process for the preparation of onium alkylsulfonates by reaction of an onium halide or carboxylate with a symmetrically substituted dialkyl sulfite or with an asymmetrically substituted dialkyl sulfite at temperatures of 50 to 170° C.
    Type: Application
    Filed: June 14, 2006
    Publication date: September 11, 2008
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Andriy Kucheryna, Helge Willner
  • Publication number: 20080214829
    Abstract: The invention relates to salts having alkoxytris(fluoroalkyl)borate anions which on the one hand are used for the synthesis of ionic liquids, but on the other hand can be employed per se as ionic liquid, and to processes for the preparation thereof.
    Type: Application
    Filed: July 9, 2005
    Publication date: September 4, 2008
    Inventors: Nikola (Mykola) Ignatyev, Urs Welz-Biermann, Maik Finze, Eduard Bernhardt, Helge Willner
  • Publication number: 20080194831
    Abstract: The present invention relates to ionic liquids of low viscosity and high electrochemical stability, in particular for use in the area of electrochemistry and as solvents for carrying out chemical reactions.
    Type: Application
    Filed: May 12, 2006
    Publication date: August 14, 2008
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Michael Heckmeier, German Bissky, Helge Willner
  • Publication number: 20080027230
    Abstract: The invention relates to a process for the preparation of onium salts having a low chloride content by reaction of an onium chloride with an acid, where the hydrochloric acid forming is removed by azeotropic distillation by coordination to an organic solvent which forms an azeotropic mixture with water.
    Type: Application
    Filed: June 17, 2005
    Publication date: January 31, 2008
    Inventors: Nikolai (Mykola) Ignatyev, Urs Welz-Biermann, Peter Barthen, Helge Willner
  • Publication number: 20070293391
    Abstract: The invention relates to boron-containing acids of the general formula (I) [B(RF)4-x-y(CN)xFy]? H+ (I), where x=0, 1, 2, 3 or 4, y=0, 1, 2 or 3 x+y?4, and in which the ligands RF may be identical or different and RF stands for a perfluorinated or partially fluorinated C1-12-alkyl group and where the CN group is bonded to the B atom via the C atom, and complexes thereof with a solvent, to salts comprising a cation and the anion of a selection of the acids according to the invention, and to processes for the preparation of the salts.
    Type: Application
    Filed: October 4, 2005
    Publication date: December 20, 2007
    Inventors: Maik Finze, Eduard Bernhardt, Helge Willner, Nikolai Ignatyev, Urs Welz-Biermann
  • Publication number: 20070287869
    Abstract: The present invention relates to salts having thiouronium or uronium cations, to processes for the preparation thereof, and to the use thereof as ionic liquids.
    Type: Application
    Filed: May 28, 2004
    Publication date: December 13, 2007
    Inventors: Nikolai (Myloka) Ignatyev, Urs Welz-Biermann, German Bissky, Helge Willner, Andriy Kucheryna
  • Publication number: 20070265453
    Abstract: The present invention relates to salts having guanidinium cations, to processes for the preparation thereof, and to the use thereof as ionic liquids.
    Type: Application
    Filed: April 1, 2004
    Publication date: November 15, 2007
    Inventors: Urs Welz-Biermann, Nikolai Ignatyev, Helge Willner, German Bissky
  • Publication number: 20070213538
    Abstract: The invention relates to compounds of the formula (I), in which X, -Q1-Q2- and RF have the meaning indicated in Claim 1, as ionic liquids, and to a process for the preparation thereof.
    Type: Application
    Filed: January 3, 2005
    Publication date: September 13, 2007
    Inventors: Nikolai Ignatyev, Urs Welz-Biermann, German Bissky, Helge Willner, Andriy Kucheryna
  • Publication number: 20070191637
    Abstract: The present invention relates to a process for the preparation of perfluoroalkylphosphines comprising at least the reaction of at least one fluoro(perfluoroalkyl)phosphorane with at least one hydride ion donor, and to the use of tris(perfluoroalkyl)phosphines as perfluoroalkylating reagents.
    Type: Application
    Filed: April 23, 2007
    Publication date: August 16, 2007
    Inventors: Urs Welz-Biermann, Nikolai Ignatyev, Michael Weiden, Michael Schmidt, Udo Heider, Alexej Miller, Helge Willner, Peter Sartori