Patents by Inventor Tatiana M. Simandi

Tatiana M. Simandi 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).

  • Use of transition metal complexes having oxime ligands as bleach catalysts
    Patent number: 6746996
    Abstract: Transition metal complexes used as bleach catalysts of the formula (1) M(L)nXm  (1) where M is a metal atom from the group Mn, Fe, Co, Ni, Mo, W, L is a ligand of the formula R1R2C═N—O(H)z R1 is C1-C22-alkyl, C2-C22-alkenyl or C5-C24-aryl, R2 is H, C1-C22-alkyl, C2-C22-alkenyl, C5-C24-aryl or where z=0 or 1, X is a neutral or anion ligand from the group consisting of pyridines, imidazolines, methylimidazoles, picolines, lutidines, chloride, bromide, nitrate, perchlorate, citrate, hexafluorophosphate or anions of organic acids having C1-C22 carbon atoms, n is a number from 2 to 4 and m is a number from 0 to 4.
    Type: Grant
    Filed: January 17, 2002
    Date of Patent: June 8, 2004
    Assignee: Clariant GmbH
    Inventors: Gerd Reinhardt, Michael Seebach, Nicole Reichardt, Laszlo I. Simandi, Tatiana M. Simandi, Gabor Besenyei
  • Use of transition metal complexes having oxime ligands as bleach catalysts
    Publication number: 20020165110
    Abstract: Transition metal complexes used as bleach catalysts of the formula (1)
    Type: Application
    Filed: January 17, 2002
    Publication date: November 7, 2002
    Applicant: Clariant GmbH
    Inventors: Gerd Reinhardt, Michael Seebach, Nicole Reichardt, Laszlo I. Simandi, Tatiana M. Simandi, Gabor Besenyei