Patente von Prof. Dr. Helge Willner
(List of Patents)
Source: SciFinder, 2011 American Chemical Society (ACS), October 2011


1. Device for opening glass ampoules
By Gomler, Willy; Willner, Helge
De-OS 3138815.9 (1983).

2. Device for collecting GC samples.
By Willner, Helge; Simon, Arno Dipl Phys
From Ger. Offen. (1988), DE 3737515 A1 19880519.

3. Tetrakisfluoroalkylborate salts and their use as electrolyte salts
By Schmidt, Michael; Kuehner, Andreas; Willner, Helge; Bernhardt, Eduard
Edited By: Meyer, Gerd; Naumann, Dieter; Wesemann, Lars
Eur. Pat. Appl. (2002), EP 1205480 A2 20020515.

4. Preparation of isotope-labeled oxalyl fluoride
By Pernice, Holger; Willner, Helge
Ger. Offen. (2002), DE 10124641 A1 20021128.

5. Synthesis, properties, and uses of (perfluoroalkyl)phosphorane-based novel strong acids and acid salts as catalysts, solvents, ionic liquids, and battery electrolytes
By Ignatyev, Nikolai; Schmidt, Michael; Kuehner, Andreas; Hilarius, Volker; Heider, Udo; Kucheryna, Andriy; Sartori, Peter; Willner, Helge
PCT Int. Appl. (2003), WO 2003002579 A1 20030109.

6. Method for perfluoroalkylation of carbonyl-containing organic compounds and/or tricoordinated organoboron compounds with tris(perfluoroalkyl)phosphine oxides in the presence of a base
By Ignatyev, Nikolai; Welz-Biermann, Urs; Schmidt, Michael; Weiden, Michael; Heider, Udo; Willner, Helge; Sartori, Peter; Miller, Alexej
PCT Int. Appl. (2003), WO 2003087020 A1 20031023.

7. Simplified process for the production of bis(perfluoroalkyl)phosphinic acids and their salts by reaction of difluorotris- or trifluorobis(perfluoroalkyl)phosphoranes with hydrogen fluoride and subsequent heating
By Welz-Biermann, Urs; Ignatyev, Nikolai; Weiden, Michael; Heider, Udo; Kucheryna, Andriy; Willner, Helge; Sartori, Peter
PCT Int. Appl. (2003), WO 2003087110 A1 20031023.

8. Process for production of monohydro(perfluoro)alkanes, bis(perfluoroalkyl)phosphinates and perfluoroalkylphosphonates by treatment of perfluoroalkylphosphoranes with bases
By Ignatyev, Nikolai; Weiden, Michael; Welz-Biermann, Urs; Heider, Udo; Sartori, Peter; Kucheryna, Andriy; Willner, Helge
PCT Int. Appl. (2003), WO 2003087111 A1 20031023.

9. Process for the production of (perfluoroalkyl)phosphines by reaction of fluoro(perfluoroalkyl)phosphoranes with hydride donors and their use as perfluoroalkylating reagents
By Welz-Biermann, Urs; Ignatyev, Nikolai; Weiden, Michael; Schmidt, Michael; Heider, Udo; Miller, Alexej; Willner, Helge; Sartori, Peter
PCT Int. Appl. (2003), WO 2003087113 A1 20031023.

10. Procedure for the production and use of ionic liquids with [N(CF3)2]- anion
By Ignatiev, Nikolai; Welz-Biermann, Urs; Schmidt, Michael; Weiden, Michael; Heider, Udo; Willner, Helge; Kucheryna, Andriy
Ger. Offen. (2004), DE 10258671 A1 20040624.

11. Synthesis of cyanoborate and cyanofluoroborate salts with organic cations and their uses
By Welz-Biermann, Urs; Ignatjev, Nikolai; Bernhardt, Eduard; Finze, Maik; Willner, Helge
Ger. Offen. (2004), DE 10306617 A1 20040826.

12. Ionic liquids comprising uronium or thiouronium cations, their production and their use
By Ignatyev, Nikolai; Welz-Biermann, Urs; Bissky, German; Willner, Helge; Kucheryna, Andriy
PCT Int. Appl. (2004), WO 2004106287 A1 20041209.

13. Synthesis of guanidinium-cation containing salts for use as ionic liquid reaction media
By Welz-Biermann, Urs; Ignatyev, Nikolai; Willner, Helge; Bissky, German
PCT Int. Appl. (2004), WO 2004106288 A2 20041209.

14. Cyanoborate, fluoroalkyl phosphate, fluoroalkyl borate or imide dyes
By Ignatyev, Nikolai; Welz-Biermann, Urs; Willner, Helge; Finze, Maik; Bernhardt, Eduard; Kucheryna, Andriy
PCT Int. Appl. (2005), WO 2005021661 A1 20050310.

15. Production of organic salts of bis(perfluoroalkyl)phosphinate anions
By Ignatyev, Nikolai; Welz-Biermann, Urs; Willner, Helge; Kucheryna, Andriy
PCT Int. Appl. (2005), WO 2005049555 A1 20050602.

16. Improved process for preparation of mono- and bis(fluoroalkyl)fluorophosphoranes and hydrogen fluoro(fluoroalkyl)phosphates by reaction of fluoroalkyl phosphinates and phosphonates with water-free hydrogen fluoride
By Ignatyev, Nikolai; Welz-Biermann, Urs; Schmidt, Michael; Kucheryna, Andriy; Willner, Helge
PCT Int. Appl. (2005), WO 2005049628 A1 20050602.

17. Method for producing guanidinium salts.
By Ignatyev, Nikolai; Welz-Biermann, Urs; Bissky, German; Willner, Helge
PCT Int. Appl. (2005), WO 2005075413 A1 20050818.

18. Cyanoborates of cationic dyes.
By Ignatyev, Nikolai; Welz-biermann, Urs; Kucheryna, Andriy; Willner, Helge
Ger. Offen. (2005), DE 102004007610 A1 20050901.

19. Imides of cationic dyes.
By Ignatyev, Nikolai; Welz-biermann, Urs; Kucheryna, Andriy; Willner, Helge
Ger. Offen. (2005), DE 102004007611 A1 20050901.

20. Preparation of pyrrolidinium, pyridinium, and imidazolium perfluoroalkyltrifluoroborates as ionic liquids.
By Ignatyev, Nikolai; Welz-Biermann, Urs; Bissky, German; Willner, Helge; Kucheryna, Andriy
Ger. Offen. (2005), DE 102004017026 A1 20051020.

21. Production of onium salts with a low chloride content
By Ignatyev, Nikolai; Welz-Biermann, Urs; Barthen, Peter; Willner, Helge
PCT Int. Appl. (2006), WO 2006007912 A1 20060126.

22. Preparation of salts containing alkoxytris(fluoroalkyl) borate anions as ionic liquids
By Ignatyev, Nikolai; Welz-Biermann, Urs; Finze, Maik; Bernhardt, Eduard; Willner, Helge
PCT Int. Appl. (2006), WO 2006010455 A2 20060202.

23. Process for preparation of alkoxytris(fluoroalkyl)borate salts of organic cations by alkylation of organic bases by tris(fluoroalkyl)borane-dialkyl ether complexes
By Welz-Biermann, Urs; Ignatiev, Nikolai; Finze, Maik; Bernhardt, Eduard; Willner, Helge
Ger. Offen. (2006), DE 102004036299 A1 20060323.

24. Process for preparation of hydrogen fluoroalkylborate strong acids and their binary and complex salts
By Finze, Maik; Bernhardt, Eduard; Willner, Helge; Welz-Biermann, Urs; Ignatiev, Nikolai
Ger. Offen. (2006), DE 102004051278 A1 20060427.

25. Preparation of imidazolium tetrafluoroborates and related compounds with a low chloride content
By Ignatyev, Nikolai; Welz-Biermann, Urs; Kucheryna, Andriy; Willner, Helge
PCT Int. Appl. (2006), WO 2006063653 A1 20060622.

26. Improved process for preparation of monoanionic phosphate, phosphinate and phosphonate salts of onium cations with low halide content by reaction of onium halides with phosphorus acid esters
By Ignatyev, Nikolai; Welz-Biermann, Urs; Kucheryna, Andriy; Willner, Helge
PCT Int. Appl. (2006), WO 2006063655 A1 20060622.

27. Preparation of imidazolium alkyl sulfate salts and related compounds with a low chloride content
By Ignatyev, Nicolai; Welz-Biermann, Urs; Kucheryna, Andriy; Willner, Helge
PCT Int. Appl. (2006), WO 2006063654 A1 20060622.

28. Preparation of imidazolium aryl sulfate salts and related compounds with a low chloride content
By Ignatyev, Nikolai; Welz-Biermann, Urs; Kucheryna, Andriy; Willner, Helge
PCT Int. Appl. (2006), WO 2006063656 A1 20060622.

29. Process for preparation of ionic liquids with low-viscosity and high electrochemical stability containing fluorinated bis-phosphinic imide anions
By Ignatyev, Nikolai; Welz-Biermann, Urs; Heckmeier, Michael; Bissky, German; Willner, Helge
PCT Int. Appl. (2006), WO 2006128563 A1 20061207.

30. Preparation of imidazolium alkylsulfonate and alkylsulfite salts and related compounds
By Ignatyev, Nikolai; Welz-Biermann, Urs; Kucheryna, Andriy; Willner, Helge
PCT Int. Appl. (2007), WO 2007006389 A1 20070118.


31. Preparation of imidazolium alkylsulfite salts and related compounds
By Ignatyev, Nikolai; Welz-Biermann, Urs; Kucheryna, Andriy; Willner, Helge
PCT Int. Appl. (2007), WO 2007006388 A1 20070118.

32. Preparation of imidazolium alkylsulfonate salts and related compounds
By Ignatyez, Nikolai; Welz-Biermann, Urs; Kucheryna, Andriy; Willner, Helge
PCT Int. Appl. (2007), WO 2007006387 A2 20070118.

33. preparation of oxonium and sulfonium perfluoroalkylfluorophosphonates, (fluoro)(cyano)borates, perfluoroalkylfluoroborates, and perfluoroalkylsulfonamides and their use in the production of ionic liquids.
By Ignatyev, Nikolai; Bissky, German; Willner, Helge
PCT Int. Appl. (2007), WO 2007087949 A2 20070809.

34. Process for preparation of low-melting onium compounds with organofluorophosphate anions as components for ionic liquids
By Ignatyev, Nikolai; Bissky, German; Willner, Helge
PCT Int. Appl. (2008), WO 2008092489 A1 20080807.

35. Process for preparation of low-melting onium compounds with organofluorophosphate anions as components for ionic liquids
By Ignatiev, Nikolai; Bissky, German; Willner, Helge
Ger. Offen. (2008), DE 102007004698 A1 20080807.

36. Method for the production of closo-borohydrides
By Bernhardt, Eduard; Willner, Helge
Ger. Offen. (2009), DE 102008004530 A1 20090716.

37. Process for preparation of fluoroalkyl phosphinic and phosphonic chlorides by chlorination of fluoroalkyl phosphinic and phosphonic acids by aryltetrachlorophosphorane
By Ignatyev, Nikolai; Aust, Emil Ferdinand; Bejan, Dana; Willner, Helge
PCT Int. Appl. (2010), WO 2010009791 A1 20100128.

38. Process for preparation of bis(fluoroalkyl)phosphinic and fluoroalkylphosphonic acids by hydrolysis of fluoroalkyl fluorophosphoranes
By Ignatyev, Nikolai; Bejan, Dana; Willner, Helge
PCT Int. Appl. (2010), WO 2010012359 A1 20100204.

39. Process for preparation of bis(fluoroalkyl)phosphinic and fluoroalkylphosphonic acids by hydrolysis of fluoroalkyl fluorophosphoranes
By Ignatyev, Nikolai; Bejan, Dana; Willner, Helge
Ger. Offen. (2010), DE 102008035174 A1 20100211.

40. Phosphinyl hydrazides
By Ignatyev, Nikolai; Hierse, Wolfgang; Bejan, Dana; Willner, Helge; Vasile, Dinoiu
PCT Int. Appl. (2011), WO 2011095277 A1 20110811.

41. Procedures for the production of tris(perfluoroalkyl)phosphine oxides by reaction of difluorotris(perfluoroalkyl)phosphoranes with metal oxides
By Ignatyev, Nikolai; Wiebe, Waldemar; Willner, Helge
PCT Int. Appl. (2011), WO 2011110281 A1 20110915.

42. Process for the production of a fireproofing foams by reaction of fluoroalkyl fluorophosphoranes with inorganic and organic bases in aqueous media
By Ignatyev, Nikolai; Hierse, Wolfgang; Wiebe, Waldemar; Willner, Helge
Ger. Offen. (2012), DE 102011111490 A1 20120329

43. Functionalized fluoroalkyl fluorophosphate salts as components for ionic liquids
By Hoge, Berthold Theo; Bader, Anne Julia; Ignatyev, Nikolai; Schulte, Michael; Hierse, Wolfgang; Wiebe, Waldemar; Willner, Helge
PCT Int. Appl. (2012), WO 2012048772 A1 20120419