Patents Assigned to Papierfabrik August Koehler SE
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Patent number: 11926168Abstract: The invention relates to a color developer of formula (I), (Ar1—SO2—NH—)m-Y—(—NH—C(O)—NH—SO2—Ar2)n (I), wherein Ar1 is an unsubstituted or substituted aromatic moiety, Ar2 is an unsubstituted or substituted phenyl moiety, Y is at least an (m+n)-times substituted benzene group or naphthalene group, and Y is substituted in such a way that at least one Ar2—SO2—NH—C(O)—NH group is in ortho-position with respect to at least one Ar1—SO2—NH group. The invention further relates to a heat-sensitive recording material, comprising a carrier substrate and a heat-sensitive color-forming layer, which contains at least one color former and at least one phenol-free color developer, the at least one color developer being the compound of formula (I). The invention further relates to a method for producing said heat-sensitive recording material.Type: GrantFiled: May 17, 2018Date of Patent: March 12, 2024Assignee: PAPIERFABRIK AUGUST KOEHLER SEInventors: Michael Horn, Timo Stalling, Maren Steppat
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Patent number: 11781029Abstract: The invention relates to a heat-sensitive recording material, comprising a carrier substrate and a heat-sensitive colour-forming layer, which contains at least one colour former and at least one phenol-free colour developer, characterised in that the at least one colour developer is the compound of formula (A), Ar(NH—CO—NH—CO—NH—Ar1)n (A), wherein Ar is an unsubstituted or substituted phenyl or naphthyl group, Ar1 is an unsubstituted or substituted phenyl, naphthyl, pyridyl, thiazolyl or benzothiazolyl group, and n is 1 or 2.Type: GrantFiled: May 6, 2019Date of Patent: October 10, 2023Assignee: PAPIERFABRIK AUGUST KOEHLER SEInventors: Michael Horn, Timo Stalling, Kerstin Zieringer
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Patent number: 11465431Abstract: The invention relates to a self-adhesive, heat-sensitive recording material, comprising a carrier substrate, a heat-sensitive, color-forming layer that is applied on one side of the carrier substrate and contains at least a non-phenolic color developer in and at least one color former, a siliconized layer on the upper side of the heat-sensitive, color-forming layer that is applied on the carrier substrate, as well as an adhesive layer on the side of the carrier substrate facing away from the heat-sensitive, color-forming layer.Type: GrantFiled: March 14, 2017Date of Patent: October 11, 2022Assignee: PAPIERFABRIK AUGUST KOEHLER SEInventors: Uwe Brasch, Lutz Kuhne, Jurgen Keske, Matthias Schulte
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Patent number: 11407935Abstract: Described are colour developers of formula (I) Ar1—SO2—NH—C6H4—SO2—C6H4—NH—CO—NH—Ar2 (I), a heat-sensitive recording material, comprising a carrier substrate and also a heat-sensitive, colour-forming layer comprising at least one colour former and at least one phenol-free colour developer, the at least one colour developer being the compound of formula (I), and a method for producing this heat-sensitive recording material.Type: GrantFiled: December 19, 2019Date of Patent: August 9, 2022Assignee: PAPIERFABRIK AUGUST KOEHLER SEInventors: Michael Horn, Timo Stalling
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Patent number: 11344857Abstract: The invention relates to the field of capsules having a high load of active ingredients or substances, to the use thereof in cosmetic preparations, pharmaceuticals, household products, cleaning agents and technical compositions, e.g. adhesive and coating compositions, and to the manufacturing of the capsules.Type: GrantFiled: January 25, 2017Date of Patent: May 31, 2022Assignees: Symrise AG, Papierfabrik August Koehler SEInventors: Claus Jurisch, Michael Horn, Claudia Meier, Ralf Bertram, Patrick Ott
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Patent number: 11084308Abstract: The invention relates to a heat-sensitive recording material, comprising a carrier substrate and at least one heat-sensitive thermal reaction layer, which is applied to at least one side of the carrier substrate and contains at least one fluoran color former, at least one color developer, at least one melting aid, and optionally typical additives, such as lubricants, stabilizers (anti-aging agents), and/or pigments, characterized in that the color developer is dodecyl gallate and the melting aid is an ethylene bis fatty acid amide of formula (I), wherein R1 and R2 are CH3(CH2)mCH2 with m=13 and/or 15. The invention further relates to a method for producing said recording material.Type: GrantFiled: November 9, 2016Date of Patent: August 10, 2021Assignee: PAPIERFABRIK AUGUST KOEHLER SEInventors: Michael Horn, Jurgen Keske, Dietmar Fritz
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Patent number: 11084307Abstract: The invention relates to a compound of the formula (I) Ar(NHSO2Ar1)l(SO2NHAr1)m(NHC(O)NHAr2)n (I), wherein l and m independently of one another are 0, 1, 2, 3, and/or 4 and the sum of l+m is equal to or more than 1, n is 2, 3, 4, or 5, Ar is a benzol group which is substituted (l+m+n) times, Ar1 is an unsubstituted or substituted aromatic group, and Ar2 is an unsubstituted or substituted phenyl group or a benzoyl group. The invention also relates to a heat-sensitive recording material comprising a carrier substrate and a heat-sensitive color-forming layer which contains at least one color former and at least said color developer.Type: GrantFiled: January 18, 2018Date of Patent: August 10, 2021Assignee: PAPIERFABRIK AUGUST KOEHLER SEInventors: Michael Horn, Timo Stalling, Kerstin Zieringer
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Patent number: 10718089Abstract: The invention concerns a CF paper comprising a base paper and a coating applied thereto, said coating containing at least one binding agent, at least one ink-absorbing agent, at least one coating pigment and conventional additives, and being characterised in that the at least one binding agent comprises a cross-linked biopolymeric material in the form of nanoparticles.Type: GrantFiled: June 10, 2015Date of Patent: July 21, 2020Assignee: PAPIERFABRIK AUGUST KOEHLER SEInventors: Claus Jurisch, Lutz Kuhne
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Publication number: 20200172477Abstract: The invention relates to a color developer of formula (I), (Ar1—SO2—NH-)m-Y—(—NH—C(O)—NH—SO2—Ar2)n (I), wherein Ar1 is an unsubstituted or substituted aromatic moiety, Ar2 is an unsubstituted or substituted phenyl moiety, Y is at least an (m+n)-times substituted benzene group or naphthalene group, and Y is substituted in such a way that at least one Ar2—SO2—NH—C(O)—NH group is in ortho-position with respect to at least one Ar1—SO2—NH group. The invention further relates to a heat-sensitive recording material, comprising a carrier substrate and a heat-sensitive color-forming layer, which contains at least one color former and at least one phenol-free color developer, the at least one color developer being the compound of formula (I). The invention further relates to a method for producing said heat-sensitive recording material.Type: ApplicationFiled: May 17, 2018Publication date: June 4, 2020Applicant: Papierfabrik August Koehler SEInventors: Michael Horn, Timo Stalling, Maren Steppat
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Patent number: 10662546Abstract: The invention relates to a particularly energy efficient, two-step method and to a system for the continuous or semicontinuous production of crystalline calcium carbonate (precipitated calcium carbonate, PCC) by reacting calcium hydroxide with CO2, the calcium hydroxide being lime milk. In the first step of the germination, the CO2-source is exclusively flue gas having a CO2-content of between 4-25% <sb/><sb/>. In the second step, the complete conversion of the lime milk reacted in the first step to a maximum of 90%, preferably between 10-90%, is carried out exclusively using a rich gas which comprises 30-99% CO2, preferably using biogas.Type: GrantFiled: March 26, 2014Date of Patent: May 26, 2020Assignee: PAPIERFABRIK AUGUST KOEHLER SEInventors: Heinrich Follmann, Berit Hillbrecht
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Patent number: 10265986Abstract: The invention relates to a thermal sublimation paper which can be printed with inks containing a sublimatable dye, in particular ink-jet inks, in which paper a hydrophilic thermal transfer layer to be printed is formed on a porous base paper. Thermoplastic particles with an average particle size of between 0.3 and 5 ?m and a melting point of between 35° C. and 190° C. are present in the thermal transfer layer. This thermal sublimation paper can be advantageously produced as follows: an aqueous coating slip is applied to a porous base paper having a Cobb value of between 55 and 150 g/m2, in particular between 70 and 150 g/m2, in a paper-making or coating machine, online or offline, said aqueous coating slip containing thermoplastic particles and constituents suitable for forming a hydrophilic thermal transfer layer, and a drying step is subsequently carried out in order to obtain the thermal sublimation paper.Type: GrantFiled: November 11, 2015Date of Patent: April 23, 2019Assignee: PAPIERFABRIK AUGUST KOEHLER SEInventors: Lutz Kuhne, Claus Jurisch
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Patent number: 10265985Abstract: The invention relates to a heat-sensitive recording material, comprising a supporting substrate and a heat-sensitive color-forming layer, which contains at least one color former and at least one phenol-free color developer, characterized in that the at least one color developer is a compound of formula (I), wherein Ar is an aryl residue, a heteroaryl residue, or a benzyl residue and Y is an aryl residue, a heteroaryl residue, a benzyl residue, an aryloxy residue, a heteroaryloxy residue, a benzyloxy residue, an arylamino residue, a heteroarylamino residue, or a benzylamino residue. The invention further relates to a method for producing said heat-sensitive recording material.Type: GrantFiled: March 7, 2016Date of Patent: April 23, 2019Assignee: PAPIERFABRIK AUGUST KOEHLER SEInventor: Michael Horn
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Publication number: 20190093289Abstract: The invention relates to paper that contains scalenohedral precipitated calcium carbonate (s-PCC) of a certain specification. The invention further relates to the user of a s-PCC having a certain specification as filler material for paper.Type: ApplicationFiled: November 29, 2018Publication date: March 28, 2019Applicant: PAPIERFABRIK AUGUST KOEHLER SEInventors: Heinrich FOLLMANN, Michael BOSCHERT, René BAUCH, Anja HOFMANN
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Patent number: 9851146Abstract: A dryer section for drying a web of fibrous material is provided, which has at least one drying unit for reducing the moisture content of the web by means of convection drying. The drying unit has at least one nozzle for applying a drying fluid to the web, at least one discharge device for the moist air produced during convection drying, and transport means for moving the web relative to the drying unit. The drying unit has at least one ultrasonic generator, which is arranged, for excitating vibrations in the drying fluid, in the region of the nozzle in such a manner that the reduction of the moisture content by ultrasound can be supported over the entire width of the web.Type: GrantFiled: September 27, 2013Date of Patent: December 26, 2017Assignee: Papierfabrik August Koehler SEInventors: Manfred Huber, Joachim Uhl, Lutz Kuhne, Michael Boschert
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Patent number: 9719058Abstract: The invention relates to microcapsules having a particle size distribution that has at least two maxima, wherein the main maximum of the particle size lies in the range of 5 to 100 ?m and wherein the volume assumed by the microcapsules that have a particle size less than ¼ of the particle size of the main maximum is greater than approximately 20% of the total volume of the microcapsules.Type: GrantFiled: July 25, 2013Date of Patent: August 1, 2017Assignee: PAPIERFABRIK AUGUST KOEHLER SEInventors: Ralf Bertram, Patrick Ott, Lutz Kühne, Claudia Meier, Julien Schroeder, Stephan Mahler, Claus Jurisch
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Patent number: 9676218Abstract: The invention relates to a heat-sensitive recording material having a flat support, a thermal reaction layer on at least one face of the flat carrier, and optionally an intermediate layer formed between the flat support and the respective thermal reaction layer, and optionally other layers, a crosslinked biopolymer material in the form of nanoparticles being used as a binder in at least one of the layers. The invention also relates to the production and the use thereof.Type: GrantFiled: February 7, 2014Date of Patent: June 13, 2017Assignee: PAPIERFABRIK AUGUST KOEHLER SEInventors: Lutz Kuhne, Uwe Brasch
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Publication number: 20160032481Abstract: The invention relates to a particularly energy efficient, two-step method and to a system for the continuous or semi-continuous production of crystalline calcium carbonate (precipitated calcium carbonate, PCC) by reacting calcium hydroxide with CO2, the calcium hydroxide being lime milk. In the first step of the germination, the CO2-source is exclusively flue gas having a CO2-content of between 4-25% <sb/><sb/>. In the second step, the complete conversion of the lime milk reacted in the first step to a maximum of 90%, preferably between 10-90%, is carried out exclusively using a rich gas which comprises 30-99% CO2, preferably using biogas.Type: ApplicationFiled: March 26, 2014Publication date: February 4, 2016Applicant: Papierfabrik August Koehler SEInventors: Heinrich Follmann, Berit Hillbrecht