Patents by Inventor Stefan Herrmann

Stefan Herrmann 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: 20050090397
    Abstract: The application relates to compositions having a) at least one of the compounds of the formula (I) in which A, R1, R2, R3 and R4 have the meaning given in the disclosure and b) known herbicides, as stated in the disclosure, and/or c) known safeners, as stated in the disclosure, and to their use for controlling undesirable vegetation.
    Type: Application
    Filed: August 19, 2002
    Publication date: April 28, 2005
    Inventors: Dieter Feucht, Peter Dahmen, Mark Drewes, Rolf Pontzen, Dorothee Hoischen, Klaus-Helmut Muller, Hans-Georg Schwarz, Stefan Herrmann, Kristian Kather, Otto Schallner, Toshio Goto, Shinichi Shirakura
  • Publication number: 20040235666
    Abstract: The present invention relates to novel substituted imidates of the formula (I) 1
    Type: Application
    Filed: April 7, 2004
    Publication date: November 25, 2004
    Inventors: Achim Hense, Rudiger Fischer, Ernst-Rudolf Gesing, Stefan Herrmann, Kristian Kather, Stefan Lehr, Katharina Jansen, Hans-Jochem Riebel, Peter Jeschke, Christoph Erdelen, Angelika Lubos-Erdelen, Wolfram Andersch, Peter Losel, Udo Reckmann
  • Patent number: 6806292
    Abstract: The present invention relates to novel substituted imide derivatives of the general formula (I) in which R1 represents optionally substituted cycloalkyl, R2 represents optionally substituted alkyl or optionally substituted cycloalkyl, R3 represents alkyl, alkoxy, alkylthio, amino, alkylamino or dialkylamino and R4 represents cyano or nitro, and to processes for their preparation and to their use for controlling animal pests and as herbicides.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: October 19, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Jochem Riebel, Stefan Herrmann, Achim Hense, Ernst-Rudolf Gesing, Kristian Kather, Stefan Lehr, Wolfram Andersch, Mark Wilhelm Drewes, Dieter Feucht, Achim Harder
  • Publication number: 20040110640
    Abstract: The invention relates to benzoylpyrazoles of the general formula (I), 1
    Type: Application
    Filed: November 14, 2003
    Publication date: June 10, 2004
    Inventors: Hans-Georg Schwarz, Klaus-Helmut Mller, Stefan Herrmann, Dorothee Hoischen, Kristian Kather, Stefan Lehr, Otto Schallner, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Publication number: 20040097376
    Abstract: The invention relates to novel substituted aryl ketones of the formula (I) 1
    Type: Application
    Filed: July 17, 2003
    Publication date: May 20, 2004
    Inventors: Klaus-Helmut Muller, Stefan Herrmann, Dorothee Hoischen, Stefan Lehr, Hans-Georg Schwarz, Otto Schallner, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
  • Patent number: 6736590
    Abstract: The aim of the invention is to make it as easy as possible to change a spindle in a lifting device (2) for substrates, which device comprises a support (10). To this end the support is configured such that it can be made to engage the substrate holder (25) by rotation or by pivoting.
    Type: Grant
    Filed: October 24, 2001
    Date of Patent: May 18, 2004
    Assignee: Steag Hama Tech AG
    Inventors: Peter Abendschön, Stefan Herrmann
  • Publication number: 20040002599
    Abstract: The invention relates to novel substituted benzoylcyclohexenones of the formula (I), 1
    Type: Application
    Filed: October 21, 2002
    Publication date: January 1, 2004
    Inventors: Klaus-Helmut Muller, Hans-Georg Schwarz, Stefan Herrmann, Dorothee Hoischen, Stefan Lehr, Otto Schallner, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen, Akihiko Yanagi, Shinichi Narabu, Toshio Goto, Seishi Ito, Chieko Ueno
  • Publication number: 20030100613
    Abstract: The present invention relates to novel substituted imide derivatives of the general formula (I) 1
    Type: Application
    Filed: July 26, 2002
    Publication date: May 29, 2003
    Inventors: Hans-Jochem Riebel, Stefan Herrmann, Achim Hense, Ernst-Rudolf Gesing, Kristian Kather, Stefan Lehr, Wolfram Andersch, Mark Wilhelm Drewes, Dieter Feucht, Achim Harder
  • Patent number: 6531269
    Abstract: A color photographic silver halide material, which has a support which comprises at least one blue-sensitive, yellow-coupling silver halide emulsion layer nearest the light source and at least one green-sensitive, magenta-coupling silver halide emulsion layer and at least one red-sensitive, cyan-coupling silver halide emulsion layer which are further from the light source than is the at least one blue-sensitive layer, and which contains at least one cyan masking coupler which has its maximum absorption above 650 mn, the red-sensitive layers have their maximum sensitivity at 620±20 nm and the absorption of the masking coupler at the maximum sensitivity of the red-sensitive layers is at most 70% of its absorption at 690 mn, is distinguished by improved color reproduction and color saturation in the magenta layer without loss of sensitivity.
    Type: Grant
    Filed: March 12, 2001
    Date of Patent: March 11, 2003
    Assignee: Agfa-Gevaert N.V.
    Inventors: Ralf Wirowski, Jan Haller, Stefan Herrmann, Jürgen Jung
  • Patent number: 6313196
    Abstract: An ink jet ink consisting of a dispersion of particles of an ionically modified polymer loaded with dye is distinguished by improved smudge resistance.
    Type: Grant
    Filed: January 27, 1999
    Date of Patent: November 6, 2001
    Assignee: AGFA-Gevaert
    Inventors: Günter Helling, Stefan Herrmann
  • Publication number: 20010036603
    Abstract: A colour photographic silver halide material, which has a support which comprises at least one blue-sensitive, yellow-coupling silver halide emulsion layer nearest the light source and at least one green-sensitive, magenta-coupling silver halide emulsion layer and at least one red-sensitive, cyan-coupling silver halide emulsion layer which are further from the light source than is the at least one blue-sensitive layer, and which contains at least one cyan masking coupler which has its maximum absorption above 650 mn, the red-sensitive layers have their maximum sensitivity at 620±20 nm and the absorption of the masking coupler at the maximum sensitivity of the red-sensitive layers is at most 70% of its absorption at 690 mn, is distinguished by improved colour reproduction and colour saturation in the magenta layer without loss of sensitivity.
    Type: Application
    Filed: March 12, 2001
    Publication date: November 1, 2001
    Inventors: Ralf Wirowski, Jan Haller, Stefan Herrmann, Jurgen Jung
  • Patent number: 6258523
    Abstract: The present application provides cyanine dyes of the formula (1) in which R1, R2, R3, R4, R5, R6 mutually independently mean H, a substituent or R5 together with R6 or R4 together with R5 mean the remaining members to complete an optionally substituted fused benzo ring or naphtho ring system, providing that at least one of the substituents R1, R2 or R3 is a benzothienyl substituent, X denotes O, S, Se, CH=CH, C(CH3)2 or NR7 (R7 =optionally substituted alkyl), S1, S2 mutually independently mean alkyl, sulfoalkyl, carboxyalkyl, —(CH2)1—SO2—Y—SO2-alkyl, —(CH2)1—SO2—Y—CO-alkyl, —(CH2)1—CO—Y—SO2-alkyl, —(CH2)1NHSO−3, —(CH2)1N(alkyl)SO−3, —(CH2)1N(aryl)SO-−3, —(CH2)1—CO—Y—CO-alkyl, providing that 1 means 1 to 6 and Y means NH or N−, n means 3, 5 or 7, L denotes substituted or unsubstituted methine groups, which may be constituents of one or mo
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: July 10, 2001
    Assignee: Agfa-Gevaert
    Inventors: Michael Missfeldt, Stefan Herrmann
  • Patent number: 6177177
    Abstract: Particularly smudge-resistant ink jet images are produced with an ink jet recording material which comprises a support, at least one layer applied to the support and an agent which binds ink jet dyes in a spread- and smudge-resistant manner, wherein the agent exhibits a concentration gradient such that the further is the agent from the support, the lower is the concentration.
    Type: Grant
    Filed: August 13, 1998
    Date of Patent: January 23, 2001
    Assignee: Agfa N.V.
    Inventors: Stefan Herrmann, Jörg Hagemann, G{umlaut over (u)}nter Helling, Klaus Henseler, J{umlaut over (u)}rgen Strobach, Beate Weber
  • Patent number: 6025121
    Abstract: A color photographic recording material contains at least one photosensitive silver halide emulsion layer which is spectrally sensitized with a monomethine cyanine dye of the formula I ##STR1## in which: R.sup.1 denotes a benzothiophene radical which is coupled by way of the 2-, 3-, 4-, 5-, 6- or 7-position thereof to the benzo ring of the benzothiazole group,R.sup.2 and R.sup.3 (the same or different) denote sulphoalkyl, carboxyalkyl, --(CH.sub.2).sub.n --SO.sub.2 --NH--SO.sub.2 -alkyl, --(CH.sub.2).sub.n --SO.sub.2 --NH--CO-alkyl, --(CH.sub.2).sub.n --CO--NH--SO.sub.2 -alkyl or --(CH.sub.2).sub.n --CO--NH--CO-alkyl and (n=1-6);R.sup.4 to R.sup.6 (the same or different) denote hydrogen, halogen, --CN, --CF.sub.3, alkyl, alkoxy, aryl or a heterocyclic group;orR.sup.5 together with R.sup.4 or R.sup.6 denotes the remainder which is necessary to complete an optionally substituted condensed-on benzene or naphthalene ring;M denotes a cation necessary to balance the charge.
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: February 15, 2000
    Assignee: Agfa-Gevaert NV
    Inventors: Klaus Sinzger, Stefan Herrmann, Michael Missfeldt
  • Patent number: 5942382
    Abstract: A color photographic recording material contains at least one photosensitive silver halide emulsion layer which is spectrally sensitized with a monomethine cyanine dye of the formula I in which:R.sup.1 denotes a benzothiophene radical which is coupled by way of the 2-, 3-, 4-, 5-, 6- or 7-position thereof to the benzo ring of the benzothiazole group,R.sup.2 and R.sup.3 (the same or different) denote sulphoalkyl, carboxyalkyl, --(CH.sub.2).sub.n --SO .sub.2 --NH--SO.sub.2 -alkyl, --(CH.sub.2).sub.n --SO.sub.2 --NH--CO-alkyl, --(CH.sub.2).sub.n --CO--NH--SO.sub.2 -alkyl or --(CH.sub.2).sub.n --CO--NH--CO-alkyl (n=1-6);R.sup.4 to R.sup.6 (the same or different) denote hydrogen, halogen, --CN, --CF.sub.3, alkyl, alkoxy, aryl or a heterocyclic group;orR.sup.5 together with R.sup.4 or R.sup.6 denotes the remainder which is necessary to complete an optionally substituted condensed-on benzene or naphthalene ring;M denotes a cation necessary to balance the charge.The recording material has increased blue sensitivity.
    Type: Grant
    Filed: June 4, 1998
    Date of Patent: August 24, 1999
    Assignee: Agfa-Gevaert AG
    Inventors: Klaus Sinzger, Stefan Herrmann, Michael Missfeldt
  • Patent number: 5935688
    Abstract: The light-fastness of an inkjet recording material having a support and an image-receiving layer containing a binder is improved if the image-receiving layer contains a water soluble inorganic thiosulphate, trithionate or tetrathionate or an organic thiosulphate in a quantity of 2 to 200 wt. %, relative to the quantity of binder in the image-receiving layer.
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: August 10, 1999
    Assignee: Agfa-Gevaert AG
    Inventors: Peter Bergthaller, Stefan Herrmann
  • Patent number: 5855657
    Abstract: An inkjet ink results in improved color-fastness if the ink contains a water-soluble inorganic thiosulphate, trithionate or tetrathionate or an organic thiosulphate, in an amount of 0.2 to 8% by weight with respect to the ink base.
    Type: Grant
    Filed: September 4, 1997
    Date of Patent: January 5, 1999
    Assignee: Agfa-Gevaert AG
    Inventors: Peter Bergthaller, Stefan Herrmann