Patents by Inventor Christel Ehlig

Christel Ehlig 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: 6828381
    Abstract: A sol-gel coating material, containing (A) an acrylate copolymer solution, consisting of at least one acrylate copolymer; (B) a parent lacquer which can be produced by the hydrolysis and condensation of at least one hydrolysable silane of the formula (I): SiR4; wherein: R=hydrolysable groups, hydroxy groups and non-hydrolysable groups, with the proviso that there should be at least one hydrolysable group; and (C) a sol which can be produced by the hydrolysis, condensation and complexing of (C1) at least one hydrolysable metal compound of the (II): MRn; wherein: M=aluminium, titanium or zirconium, R=the aforementioned given groups and n=3 or 4; of (C2) at least one organic thio compound of the formula (III): S(R1X)2, wherein R1 represents a two-bond organic radical and X represents hydroxyl, thiol and/or primary and/or secondary amino groups; and of (C3) a hydrolysable silane of the general formula (I).
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: December 7, 2004
    Assignee: BASF Coatings AG
    Inventors: Manuela Armbrust, Wolfgang Bremser, Horst Hintze-Brüning, Wilfried Stübbe, Peter Betz, Christel Ehlig
  • Patent number: 6713559
    Abstract: The invention relates to a sol-gel coating material, containing (A) an acrylate copolymer solution, consisting of at least one acrylate copolymer (A1), (B) a sol which can be produced by the hydrolysis, condensation and complexing of at least one hydrolysable metal compound (B1) of the dormula (1): MRn; wherein the variable and the index have the following meanings: M=aluminium, titanium or zirconium; R=hydrolysable group, hydroxy groups and non-hydrolysable groups, with the proviso that there should be at least one, preferable two hydrolysable groups; and n=3 or 4; by the hydrolysis, condensation and complexing of at least one hydrolysable silane (B2) of the formula (II): Si(R1)2(R2)2; wherein the varible R1 and R2 have the following meanings: R1=alkyl and/or cycloalkyl radicals and R2=alkoxy and/or cycloakoxy radicals; and by the hydrolysis, condensation and complexing of at least one hydrollysable silane (B3) of the formula (III): SiR4; wherein the variable R has the afor
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: March 30, 2004
    Assignee: BASF Coatings AG
    Inventors: Manuela Armbrust, Horst Hintze-Brüning, Wilfried Stübbe, Peter Betz, Christel Ehlig
  • Patent number: 6419989
    Abstract: The present invention relates to a process for producing coated substrates, especially coated automobile bodies, coils and furniture, in which first of all a powder slurry clearcoat material and then a sol-gel clearcoat material are applied to an optionally precoated substrate and are then cured conjointly.
    Type: Grant
    Filed: June 6, 2001
    Date of Patent: July 16, 2002
    Assignee: BASF Coatings AG
    Inventors: Peter Betz, Horst Hintze-Büning, Christel Ehlig