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).
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Publication number: 20220275236Abstract: 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: ApplicationFiled: July 9, 2020Publication date: September 1, 2022Applicant: CLARIANT INTERNATIONAL LTDInventors: Benjamin SCHEINHARDT, Uwe BECHTOLD, Dorothee GABEL, Felix HOEVELMANN, Rainer KUPFER
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Patent number: 8796366Abstract: 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: GrantFiled: January 7, 2010Date of Patent: August 5, 2014Assignee: Clariant Finance (BVI) LimitedInventors: Dietmar Beck, Uwe Bechtold, Bjoern Fechner, Jesus Pitarch-Lopez
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Publication number: 20130045912Abstract: 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 iType: ApplicationFiled: March 23, 2011Publication date: February 21, 2013Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Roman Morschhaeuser, Barbara Duecker, Hans Juergen Scholz, Uwe Bechtold
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Publication number: 20110288209Abstract: 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: ApplicationFiled: January 7, 2010Publication date: November 24, 2011Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Dietmar Beck, Uwe Bechtold, Bjoern Fechner, Jesus Pitarch-Lopez
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Patent number: 7938900Abstract: 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: GrantFiled: February 28, 2007Date of Patent: May 10, 2011Assignee: Clariant Finance (BVI) LimitedInventors: Bjoern Fechner, Uwe Bechtold, Andrea Boehmer
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Patent number: 7811376Abstract: 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: GrantFiled: September 29, 2005Date of Patent: October 12, 2010Assignee: Clariant Produkte (Deutschland) GmbHInventors: Bjoern Fechner, Frank-Peter Lang, Alexander Lerch, Uwe Bechtold, Hendrik Ahrens
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Publication number: 20100222500Abstract: 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: ApplicationFiled: January 10, 2007Publication date: September 2, 2010Inventors: Hendrik Ahrens, Bjoern Fechner, Uwe Bechtold
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Publication number: 20090095202Abstract: 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: ApplicationFiled: February 28, 2007Publication date: April 16, 2009Applicant: CLARIANT INTERNATIONAL LTD.Inventors: Bjoern Fechner, Uwe Bechtold, Andrea Boehmer
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Publication number: 20070261596Abstract: 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: ApplicationFiled: September 29, 2005Publication date: November 15, 2007Inventors: Bjoern Fechner, Frank-Peter Lang, Alexander Lerch, Uwe Bechtold, Hendrik Ahrens