Patents by Inventor Dirk KAMIN

Dirk KAMIN 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).

  • CELL-PENETRATING FLUORESCENT DYES WITH SECONDARY ALCOHOL FUNCTIONALITIES
    Publication number: 20190367737
    Abstract: The invention relates to novel cell-penetrating fluorescent dyes with secondary alcohol functionalities having one of the following general formulae I-III and 4: The invention also relates to the use of these compounds for optical microscopy and imaging techniques.
    Type: Application
    Filed: September 12, 2017
    Publication date: December 5, 2019
    Inventors: Alexey BUTKEVICH, Vladimir N. BELOV, Stefan W. HELL, Dirk KAMIN, Sven SIDENSTEIN, Heydar SHOJAEI, Kirill KOLMAKOV, Viktor V. SOKOLOV
  • Dyes with phosphinic acid, phosphinate, phosphonate and phosphonamidate substituents as auxochromic groups and methods for preparing the same
    Patent number: 10174202
    Abstract: Compounds of formula I are disclosed: wherein X1, X2, X3, X4 are independently H, F, Cl, Br, I, CN, NO2, OR1, SR1, NR1R2, COR1, COOR1, CONR1R2, PO3R1R2, SO2R1, SO3R1 or R3; R1 and R2 are, e.g., H, alkyl or aryl or optionally a ring; R3 is, e.g., alkyl, alkenyl, alkynyl, aryl or cycloalkyl; Y is OR1, NR1R2, or NR1R3; Q is O, S, SO2, NR, C(R3)2, Si(R3)2, Ge(R3)2, P(?O)R3 or P(?O)OR3; Q and X1 can optionally form part of a ring; L and M are independently OR1, SR1, NR1R2 and R3; L and M can optionally form part of a ring; Z is O, S, NR1, CR1R3 or aryl; and Z and X4 can optionally form part of a ring.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: January 8, 2019
    Assignee: MAX-PLANCK-GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN E. V.
    Inventors: Maksim Sednev, Alexey Butkevich, Heydar Shojaei, Vladimir Belov, Stefan Hell, Christian Wurm, Dirk Kamin
  • NOVEL DYES WITH PHOSPHINIC ACID, PHOSPHINATE, PHOSPHONATE AND PHOSPHONAMIDATE SUBSTITUENTS AS AUXOCHROMIC GROUPS AND METHODS FOR PREPARING THE SAME
    Publication number: 20180223102
    Abstract: Compounds of formula I are disclosed: wherein X1, X2, X3, X4 are independently H, F, Cl, Br, I, CN, NO2, OR1, SR1, NR1R2, COR1, COOR1, CONR1R2, PO3R1R2, SO2R1, SO3R1 or R3; R1 and R2 are, e.g., H, alkyl or aryl or optionally a ring; R3 is, e.g., alkyl, alkenyl, alkynyl, aryl or cycloalkyl; Y is OR1, NR1R2, or NR1R3; Q is O, S, SO2, NR, C(R3)2, Si(R3)2, Ge(R3)2, P(?O)R3 or P(?O)OR3; Q and X1 can optionally form part of a ring; L and M are independently OR1, SR1, NR1R2 and R3; L and M can optionally form part of a ring; Z is O, S, NR1, CR1R3 or aryl; and Z and X4 can optionally form part of a ring.
    Type: Application
    Filed: February 1, 2018
    Publication date: August 9, 2018
    Inventors: Maksim SEDNEV, Alexey BUTKEVICH, Heydar SHOJAEI, Vladimir BELOV, Stefan HELL, Christian WURM, Dirk KAMIN