Patents by Inventor Uwe Bechtold

Uwe Bechtold 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: 20220275236
    Abstract: Aqueous pigment preparations contain at least one organic and/or inorganic pigment and/or filler, at least one dispersant of formula (I) or (II), or mixtures of dispersants of formulae (I) and (II), wherein n is an integer ?1, z is an integer ?1, R1 is an aliphatic, linear or branched hydrocarbon radical with 1 to 30 carbon atoms or a hydrogen atom or the structural unit —O—X or the structural unit CH2—O—X, and the structural unit X of formula (III), wherein a is an integer from 1 to 50, b is an integer from 0 to 50, c is an integer from 1 to 100, m is an integer from 1 to 50, R2 is an aliphatic, linear or branched hydrocarbon radical with 1 to 30 carbon atoms, Y is hydrogen, SO3M, —SO2M, —PO3M2, —CH2COOM and M is hydrogen or a cation. Additional additives may be present.
    Type: Application
    Filed: July 9, 2020
    Publication date: September 1, 2022
    Applicant: CLARIANT INTERNATIONAL LTD
    Inventors: Benjamin SCHEINHARDT, Uwe BECHTOLD, Dorothee GABEL, Felix HOEVELMANN, Rainer KUPFER
  • Patent number: 8796366
    Abstract: The present invention relates to solid pigment preparations containing (A) 5 to 99 percent by weight of at least one pigment; (B) 1 to 95 percent by weight of at least one water-soluble dispersing additive based on copolymers that consist of the following structural units: (i) 1.0 to 50 mol percent of structural unit B1; a combined total of 50 to 99.0 mole percent of structural units (B2) and (B3); (iii) 0 to 49 mole percent of structural unit (B4).
    Type: Grant
    Filed: January 7, 2010
    Date of Patent: August 5, 2014
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Dietmar Beck, Uwe Bechtold, Bjoern Fechner, Jesus Pitarch-Lopez
  • Publication number: 20130045912
    Abstract: The invention relates to colored polyester in solid form, characterized in that the colored polyester is obtained by polymerizing components comprising a) one or more aromatic dicarbolic acids having no sulfogroups and/or the salts thereof and/or the anhydrides thereof and/or the esters thereof, b) optionally one or more dicarbolic acids having sulfogroups and/or the salts thereof and/or the anhydrides thereof and/or the esters thereof, c) one or more dioles, d) optionally one or more compounds of the formula (1) R1O(CHR2CHR3O)nH??(1) where R1 is a linear or branched, saturated or unsaturated alkyl group having 1 to 22 C atoms, R2 and R3 are, independent of each other, hydrogen or an alkyl group having 1 to 4 carbon atoms, and n is a number from 1 to 50, e) optionally one or more compounds of the formula (2) H—(OCHR2CHR3)m—SO3X??(2) where R2 and R3 are, independent of each other, hydrogen or an alkyl group having 1 to 4 carbon atoms, and m is a number from 1 to 10, and X is hydrogen or an alkali metal i
    Type: Application
    Filed: March 23, 2011
    Publication date: February 21, 2013
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Roman Morschhaeuser, Barbara Duecker, Hans Juergen Scholz, Uwe Bechtold
  • Publication number: 20110288209
    Abstract: The present invention relates to solid pigment preparations containing (A) 5 to 99 percent by weight of at least one pigment; (B) 1 to 95 percent by weight of at least one water-soluble dispersing additive based on copolymers that consist of the following structural units: (i) 1.0 to 50 mol percent of structural unit B1; a combined total of 50 to 99.0 mole percent of structural units (B2) and (B3); (iii) 0 to 49 mole percent of structural unit (B4).
    Type: Application
    Filed: January 7, 2010
    Publication date: November 24, 2011
    Applicant: CLARIANT FINANCE (BVI) LIMITED
    Inventors: Dietmar Beck, Uwe Bechtold, Bjoern Fechner, Jesus Pitarch-Lopez
  • Patent number: 7938900
    Abstract: The invention relates to an aqueous pigment preparation comprising (A) at least one organic and/or inorganic pigment, (B) dispersants and/or surfactants, (C) a trihydric or higher polyhydric alkoxylated alcohol, (D) a polyglycol alkyl ether, (E) if desired, hydrotropic oligomers and/or polymers, (F) if desired, fats, oils or fatty acids, (G) if desired, further additives typical in the preparation of aqueous pigment dispersions, and (H) water.
    Type: Grant
    Filed: February 28, 2007
    Date of Patent: May 10, 2011
    Assignee: Clariant Finance (BVI) Limited
    Inventors: Bjoern Fechner, Uwe Bechtold, Andrea Boehmer
  • Patent number: 7811376
    Abstract: An aqueous pigment preparation containing: (A) at least one organic and/or inorganic pigment; (B) at least one water-soluble or water-dispersible non-ionic oligoester or polyester, which is obtained by the polycondensation of dicarboxylic acid and glycol components, said oligoester or polyester comprising I) one or more aromatic dicarboxylic acids, their esters or anhydrides, II) C2-C8 alkenediols, III) poly (C1-C4-alkene)glycols and/or methylpoly(C2-C4 alkene)glycols, IV) optional water-soluble addition products of alkene oxide on C1-C24 alcohols, C6-C18 alkylphenols or on C8-C24 alkylamines and V) one or more optional polyols; (C) optional additional dispersants and surfactants that are conventionally used to produce aqueous pigment dispersions; (D) optional additional additives that are conventionally used to produce aqueous pigment dispersions; and (E) water.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: October 12, 2010
    Assignee: Clariant Produkte (Deutschland) GmbH
    Inventors: Bjoern Fechner, Frank-Peter Lang, Alexander Lerch, Uwe Bechtold, Hendrik Ahrens
  • Publication number: 20100222500
    Abstract: The invention relates to aqueous pigment preparations containing at least one organic and/or inorganic pigment, as well as dispersing agent that comprises or more structural units of the formula (I) which are bound to a structural unit Y. In formula (I), a represents an integer from 1 to 100, b represents an integer from 0 to 100, c represents an integer from 1 to 100, units a, b, and c can be arranged statistically or in blocks, R2 represents an aliphatic, linear or branched hydrocarbon radical having 1 to 30 carbon atoms, A represents hydrogen or an anionic radical of the formulae —SO3M, —SO2M, —PO3M2, —CH2COOM or (II), and M represents a hydrogen atom, a cation from the group Na+, K+, NH4+, ethanolammonium, diethanolammonium or triethanolammonium, or a secondary, tertiary or quaternary, alkyl-substituted ammonium ion that is substituted with alkyl groups, or a combination thereof.
    Type: Application
    Filed: January 10, 2007
    Publication date: September 2, 2010
    Inventors: Hendrik Ahrens, Bjoern Fechner, Uwe Bechtold
  • Publication number: 20090095202
    Abstract: The invention relates to an aqueous pigment preparation comprising (A) at least one organic and/or inorganic pigment, (B) dispersants and/or surfactants, (C) a trihydric or higher polyhydric alkoxylated alcohol, (D) a polyglycol alkyl ether, (E) if desired, hydrotropic oligomers and/or polymers, (F) if desired, fats, oils or fatty acids, (G) if desired, further additives typical in the preparation of aqueous pigment dispersions, and (H) water.
    Type: Application
    Filed: February 28, 2007
    Publication date: April 16, 2009
    Applicant: CLARIANT INTERNATIONAL LTD.
    Inventors: Bjoern Fechner, Uwe Bechtold, Andrea Boehmer
  • Publication number: 20070261596
    Abstract: An aqueous pigment preparation containing: (A) at least one organic and/or inorganic pigment; (B) at least one water-soluble or water-dispersible non-ionic oligoester or polyester, which is obtained by the polycondensation of dicarboxylic acid and glycol components, said oligoester or polyester comprising I) one or more aromatic dicarboxylic acids, their esters or anhydrides, II) C2-C8 alkenediols, III) poly (C1-C4-alkene)glycols and/or methylpoly(C2-C4 alkene)glycols, IV) optional water-soluble addition products of alkene oxide on C1-C24 alcohols, C6-C18 alkylphenols or on C8-C24 alkylamines and V) one or more optional polyols; (C) optional additional dispersants and surfactants that are conventionally used to produce aqueous pigment dispersions; (D) optional additional additives that are conventionally used to produce aqueous pigment dispersions; and (E) water.
    Type: Application
    Filed: September 29, 2005
    Publication date: November 15, 2007
    Inventors: Bjoern Fechner, Frank-Peter Lang, Alexander Lerch, Uwe Bechtold, Hendrik Ahrens