Patents by Inventor Andreas Mehlin

Andreas Mehlin 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).

  • 4-aminopyrimidines and their use for the antimicrobial treatment of surfaces
    Patent number: 7731985
    Abstract: A method is provided for the antimicrobial treatment of a surface which comprises the contacting a surface with substituted 4-aminopyrimidines.
    Type: Grant
    Filed: March 10, 2003
    Date of Patent: June 8, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Sophie Marquais-Bienewald, Werner Hölzl, Wolfgang Haap, Andrea Preuss, Andreas Mehlin
  • Use of substitute 2,4-bis (alkylamino) pyrimidines or quinzolines as antimicrobials
    Patent number: 7722893
    Abstract: The use of 2,4—bis(alkylamino)pyrimidines of formula (1) R1 is C1-C12alkyl or C6-C10laryl; R2 is hydrogen or C1-C12alkyl; or R1 and R2 together form a radical of formula (1a) R? and R? are each independently of the other hydrogen, C1-C6alkyl or C1-C6alkoxy, R3 and R5 are each independently of the other hydrogen or C1-C8alkyl; R4 is C1-C20alkyl, unsubstituted phenyl, C6-C10aryl, C6-C10aryl-C1-C6alkyl, hydroxy-C1-C6alkyl, di-C1-C6alkylamino-C 1-C6alkyl, mono-C1-C6alkylamino-C1-C6alkyl, —(CH2)2-(O—(CH2)2)1-4—OH or —(CH2)2—(O—(CH2)2)1-4—NH2; R6 is C1-C20alkyl, C6-C10aryl, C6-C10aryl-C1-C6alkyl, hydroxy-C1-C6alkyl, di-C1C6alkylamino-C1-C6alkyl, mono- C1-C6alkylamino-C1-C 6alkyl, —(CH2)2—(O—(CH2)2)1-4—OH or —(CH2)2—(O—(CH2)2)1-4—NH2; or R3 and R 4 and/or R5 and R6, together form a pyrrolidine, piperidine, hexamethyleneimine or morpholine ring; in the antimicrobial treatment of surfaces.
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: May 25, 2010
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Sophie Marquais-Bienewald, Werner Hölzl, Andrea Preuss, Andreas Mehlin
  • Use of substitute 2,4-bis (alkylamino)pyrimidines
    Publication number: 20060188453
    Abstract: The use of 2,4—bis(alkylamino)pyrimidines of formula (1) R1 is C1-C12alkyl or C6-C10laryl; R2 is hydrogen or C1-C12alkyl; or R1 and R2 together form a radical of formula (1a) R? and R? are each independently of the other hydrogen, C1-C6alkyl or C1-C6alkoxy, R3 and R5 are each independently of the other hydrogen or C1-C8alkyl; R4 is C1-C20alkyl, unsubstituted phenyl, C6-C10aryl, C6-C10aryl—C1-C6alkyl, hydroxy—C1-C6alkyl, di—C1-C6al—ky—lamino—C 1-C6alkyl, mono—C1-C6alkylamino—C1-C6alkyl,—(CH2)2—(O—(CH2)2)1—4-OH or —(CH2)2-(O—(CH2)2)1—4-NH2; R6 is C1-C20alkyl, C6-C10aryl, C6-C10aryl—C1-C6alkyl, hydroxy—C1-C6alkyl, di—C1C6alkylamino—C1-C6alkyl, mono—C1-C6alkylamino—C1-C 6alkyl, —(CH2)2-(O—(CH2)2)1—4-OH or —(CH2)2-(O—(CH2)2)1—4-NH2; or R3 and R 4 and/or R5 and R6, together form a pyrrolidine, piperidine, hexamethyleneimine or morpholine ring; in the antimicrobial treatment of surfaces.
    Type: Application
    Filed: July 16, 2004
    Publication date: August 24, 2006
    Inventors: Sophie Marquais-Bienewald, Werner Holzl, Andrea Preuss, Andreas Mehlin
  • Bis-alkylbenzylamines
    Publication number: 20060052375
    Abstract: Compounds of Formula (1), wherein R1 is hydrogen; C1-C18alkyl; trifluoromethyl; C3-C8cycloalkyl; phenylC1-C5alkyl; phenyl-C1-C5alkoxy; mono- or di-N-C1-C5alkamino-C1-C5alkyl; amino-di-N-C1-C5alkylamino-C1-C5alkyl; C1-C5alkoxy-C1-C5alkyl; R2 is C2-C20alkyl; hydroxy-C1-C20alkyl; phenyl; phenyl-C1-C5alkyl; phenyl-C1-C5alkoxy; mono- or di-N-C1-C5alkylamino-C1-C5alkyl; amino-di-N-C1-C5alkylamino-C1-C5alkyl; or heteroaryl-C1-C5alkyl; or R1 and R2 together with the nitrogen atom bonding them form a 5- to 7-membered monocyclic heterocyclic ring; are described. They are suitable for the antimicrobial treatment of surfaces, especially as antimicrobial active ingredients against gram-positive and gram-negative bacteria.
    Type: Application
    Filed: October 14, 2003
    Publication date: March 9, 2006
    Inventors: Sophie Marquais-Bienewald, Werner Holzl, Andrea Preuss, Andreas Mehlin, Frederic Brunner
  • Tetrahydrocarbazoles, a process for the preparation of those compounds, and the use thereof
    Patent number: 6967215
    Abstract: Tetrahydrocarbazoles of formula where Q is —SO2—; —O—; or —(CO)—; X is —(CH)—; or —N—; m is from 1 to 3; t is 0 or 1 and the remaining substituents are as defined herein, are useful as antimicrobial active ingredients.
    Type: Grant
    Filed: September 11, 2001
    Date of Patent: November 22, 2005
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Wolfgang Haap, Andreas Mehlin, Karin Petzold, Dietmar Ochs, Werner Hölzl
  • 4-Aminopyrimidines and their use for the antimicrobial treatment of surfaces
    Publication number: 20050143387
    Abstract: Use of 4-aminopyrimidines of formula (1), wherein R1, R2, R3, R4 and R5 are as described in the description in the antimicrobial treatment of surfaces.
    Type: Application
    Filed: March 10, 2003
    Publication date: June 30, 2005
    Inventors: Sophie Marquais-Bienewald, Werner Holzl, Wolfgang Haap, Andrea Preuss, Andreas Mehlin
  • Tetrahydrocarbazoles, a process for the preparation of those compounds, and the use thereof
    Publication number: 20040097535
    Abstract: There are described tetrahydrocarbazoles of formula (1) or (2). The compounds are suitable as antimicrobial active ingredients.
    Type: Application
    Filed: March 13, 2003
    Publication date: May 20, 2004
    Inventors: Wolfgang Haap, Andreas Mehlin, Karin Petzold, Dietmar Ochs, Werner Holzl