Papierfabrik August Koehler Se

Rohm and Haas Company

Symrise Ag

Technische Universitat Darmstadt

Papierfabrik August Koehler Ag

Koehler Innovation & Technology Gmbh

Koehler Paper Se

Papierfabrik August Kohler Se

Michael Horn

Timo Stalling

Kerstin Zieringer

Chao-Jen Chung

Ralf Bertram

Brian R Einsla

Lan Deng

Claus Jurisch

Patrick Ott

Uwe Brasch

Jurgen Keske

Claudia Meier

Dietmar Fritz

Juergen Keske

Douglas Rudnick

Christian Schnick

Markus Biesalski

Maximilian Nau

Maren Steppat

Jürgen Keske

Described are colour developers of formula (I)Ar—NH—CO—NH—CH—SO—O—CH—NH—CO—NH—Ar  (I),a heat-sensitive recording material comprising a carrier substrate and also a heat-sensitive, colour-forming layer containing at least one colour former and at least one phenol-free colour developer, wherein the at least one colour developer is the compound of formula (I), and a method for producing this heat-sensitive recording material.

Heat-sensitive recording material

The invention relates to a color developer of the formula (I), wherein m and n independently of one another are ≥1, Aris an unsubstituted or substituted (hetero) aromatic radical, Aris an unsubstituted or substituted phenyl radical, and Y is at least one (m+n)-times substituted benzene or naphthalene group, and to a heat-sensitive recording material, comprising a supporting substrate and a heat-sensitive color-forming layer containing at least one color former and at least one phenol-free color developer, wherein the at least one color developer is the compound of the formula (I). The invention further relates to a method for producing said heat-sensitive recording material.

The present invention relates to a heat-sensitive recording material comprising a carrier substrate, which is black or coloured on at least one side, and a thermoresponsive layer on the at least one black or coloured side of the carrier substrate, wherein the thermoresponsive layer comprises nanoparticles of at least one cellulose ester, and to a method for producing this material, and to a heat-sensitive recording material that can be obtained by this method.

Thermoresponsive paper coatings based on cellulose derivatives

The invention relates to a color developer of formula (I), (Ar—SO—NH—)m-Y—(—NH—C(O)—NH—SO—Ar)n (I), wherein Aris an unsubstituted or substituted aromatic moiety, Aris 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 Ar—SO—NH—C(O)—NH group is in ortho-position with respect to at least one Ar—SO—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.

Non-phenolic color developer and heat-sensitive recording material

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&#x2014;CO&#x2014;NH&#x2014;CO&#x2014;NH&#x2014;Ar)(A), wherein Ar is an unsubstituted or substituted phenyl or naphthyl group, Aris an unsubstituted or substituted phenyl, naphthyl, pyridyl, thiazolyl or benzothiazolyl group, and n is 1 or 2.

The present invention relates to an N-(4-((4-(3-phenylureido)phenyl)sulfonyl)phenyl)benzenesulfonamide in the polymorphic form &#x3c9;, characterised by an x-ray powder diffractogram having the Bragg angles (2&#x3b8;/CuK) 10.9, 11.7, 14.6, 15.0, 15.8, 16.6, 17.6, 18.9, 19.4, 20.9, 21.2, 22.0, 23.3, 24.4, 24.7, 26.1, 27.4, 29.4, 34.2, or in the polymorphic form &#x3b1;, characterised by an x-ray powder diffractogram having the Bragg angles (2&#x3b8;/CuK) 8.7, 9.8, 10.8, 13.2, 13.9, 14.9, 15.2, 16.0, 17.4, 17.7, 18.7, 20.4, 21.2, 21.6, 22.3, 23.0, 23.3, 23.9, 24.4, 25.0, 25.8, 26.6, 28.1, 28.9, 29.4, 30.1, 30.6, 31.8, 34.5, 35.3, 35.6, 36.9, a method for production thereof, use thereof as a colour developer in a heat-sensitive recording material, and a heat-sensitive recording material comprising N-(4-((4-(3-phenylureido)phenyl)sulfonyl)phenyl)benzenesulfonamide in the polymorphic form &#x3c9;or in the polymorphic form &#x3b1;.

Polymorphic forms of N-(4-((4-(3-phenylureido)phenyl)sulfonyl)phenyl)benzolsulfonamide

Described are colour developers of formula (I) Ar&#x2014;SO&#x2014;NH&#x2014;CH&#x2014;SO&#x2014;CH&#x2014;NH&#x2014;CO&#x2014;NH&#x2014;Ar(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.

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.

Microcapsules

The invention relates to a compound of the formula (I) Ar(NHSOAr)l(SONHAr)(NHC(O)NHAr)(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, Aris an unsubstituted or substituted aromatic group, and Aris 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.

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 Rand Rare CH(CH)CHwith m=13 and/or 15. The invention further relates to a method for producing said recording material. 

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. 

The invention relates to a heat-sensitive recording material. A heat-sensitive recording material, comprising a carrier substrate and a heat-sensitive, color-forming layer that contains at least one color former and at least one phenol-free color developer, is characterized in that said at least one color developer is a compound of formula (I) where Arand Arare a phenyl group and/or a C-C-alkyl substituted phenyl group. The invention also relates to a method for producing this heat-sensitive recording material and to the use, in a heat-sensitive recording material, of the color developer of formula (I) that is present in said heat-sensitive, color-forming layer. 

A recording material including a support and disposed thereon at least one layer including certain core/shell polymeric particles, the particles having, whey dry, at least one void; and an opacity reducer is provided. A method for providing an image using the recording sheet is also provided.

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Offenburg, Germany

Michael Horn