Patents by Inventor Rainer Traber

Rainer Traber 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: 20060289831
    Abstract: Compositions comprising (A) a total of from 2 to 30% by weight, based on the total composition (A)+(B), of one or more amino alcohols of formula (1) herein R1, R2, R3 and R4 are each independently of the others hydrogen, C1-C12alkyl, C5-C24aryl or C6-C36aralkyl, and R5 and R6 are each independently of the other hydrogen or C1-C4alkyl; and (B) from 70 to 98% by weight, based on the total composition (A)+(B), of a fluorescent whitening agent of formula (2) herein X is hydrogen, an alkali metal ion, an ammonium ion or a hydroxyalkylammonium radical derived from the amino alcohol of formula (1), and R7, R8, R9 and R10 are each independently of the others —OR11, —NR11R12 or a group of formula (3) wherein R11, and R12 are each independently of the other hydrogen, alkyl, hydroxyalkyl, alkoxyalkyl, carboxyalkyl, dicarboxyalkyl, H2N—CO-alkyl or alkylthio, are distinguished by high solubility in water and by high storage stability of the aqueous solutions.
    Type: Application
    Filed: September 10, 2004
    Publication date: December 28, 2006
    Inventors: Rainer Traber, Ted Deisenroth, Sandra Galle, Helena Dbaly
  • Publication number: 20060030707
    Abstract: The present invention relates to a fluorescent whitening agent comprising a mixture of two symmetrically and one asymmetrically substituted triazinylaminostilbene disulphonic acids, novel asymmetrically substituted derivatives, a process for their preparations and use of the mixture for whitening synthetic or natural organic materials, especially paper and for the fluorescent whitening and improvement of sun protection factors of textile materials.
    Type: Application
    Filed: June 26, 2003
    Publication date: February 9, 2006
    Inventors: Fabienne Cuesta, Georges Mertzger, Roland Naef, Peter Rohringer, Rainer Traber
  • Publication number: 20050106114
    Abstract: A process for improving the sun protection factor (SPF) of cellulosic fibre materials and blends thereof, which comprises contacting said materials with at least one compound of the formula (1) according to claim 1.
    Type: Application
    Filed: February 11, 2003
    Publication date: May 19, 2005
    Inventors: Georges Metzger, Jean-Jacques Donze, Hans Kramer, Serge Hauger, Volker Papendick, Michael Milde, Ted Deisenroth, Rainer Traber, Ullrich Menge, Hauke Rohwer