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| Number | Title | Issue Date |
| 6222047 | Pyrocarbonic acid diesters and the preparation and use thereof The invention relates to the preparation of pyrocarbonic acid diesters by an improved process and to the novel pyrocarbonic acid diesters prepared according to said process as well as to the use thereof. The core of the invention is a process for the preparati... | 04/24/2001 |
| 6203909 | Composite pigment A composite pigment, which consists of a colourant and a substrate, using a substrate (S) and a colourant (C), which are each coated with ions or ionisable compounds having a charge rotating in the same direction, and, if desired, of additional ions or io... | 03/20/2001 |
| 6103795 | Continuous process for preparing acrylate based pigment preparations Process for preparing pigment preparations by mixing a colored composition with monomers and simultaneously polymerizing the monomers in an extruder at elevated temperatures, whereby the following steps are carried out: (A) introducing continuously into an ext... | 08/15/2000 |
| 6103446 | Fluorescent chromophore, covalently linked to an organic support material A composition comprising a solid organic support material to which are either directly, or via a bridging group, covalently linked fluorescent chromophores, characterized in that the chromophores are selected from the group consisting of benzo[4,5]imidazo... | 08/15/2000 |
| 6091491 | Optical fingerprinting of plastics compositions A plastics material which contains a pigment composition comprising a pigment having adsorbed on its surface, or as a physical mixture, up to 10% by weight, based on the total weight of pigment composition of a coding compound which is a compound containi... | 07/18/2000 |
| 6071632 | Triboluminescent lanthanideIII complexes In one of its aspects, the invention relates to compounds of formula I ##STR1## M is Eu, Tb or Dy, Sm; R2 is hydrogen or C1 -C6 alkyl, and R1 and R3 are each independently of the other phenyl, hydrogen or ... | 06/06/2000 |
| 6066202 | Diketopyrrolopyrrole compositions Substance compositions, which comprise at least one diketopyrrolopyrrole from each of formulae ##STR1## R1 is C1 -C6 alkyl, C1 -C6 alkoxy, C1 -C6 alkylthio, halogen or pheny... | 05/23/2000 |
| 6063924 | Soluble chromophores containing solubilising groups which can be easily removed Compounds of formula A(B)x (I), wherein x is an integer from 1 to 4, A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone, isoindoline, dioxa... | 05/16/2000 |
| 6036766 | Mixed crystals and solid solutions of 1,4-diketopyrrolopyrroles Ternary solid solutions useful as pigments are disclosed. The ternary solid solutions result from incorporating a third component, which is a diketopyrrolopyrrole or quinacridone pigment, into the crystal lattice of the mixed crystal formed from equimolar... | 03/14/2000 |
| 6031030 | Production process A process for the preparation of a paint concentrate which comprises (a) milling or acid pasting a crude metal phthalocyanine to reduce the particles size thereof, thereby forming a modified crude metal phthalocyanine and (b) kneading a mixture of the modified... | 02/29/2000 |
| 6013776 | Fluorescent azo pigments Compounds of formula A(B)x, (I), wherein x is an integer from 1 to 4, A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone, isoindoline, dioxa... | 01/11/2000 |
| 6013127 | Process for the preparation of quinacridone solid solutions Solid solutions comprising quinacridone and 6,13-dihydroquinacridone are prepared by oxidation of a finely divided 6,13-dihydroquinacridone salt in an aqueous basic alcoholic medium using hydrogen peroxide as the oxidant. The solid solutions are useful as... | 01/11/2000 |
| 6010567 | Black-pigmented structured high molecular weight material This invention relates to a black-pigmented high molecular weight organic material which is structured from a radiation-sensitive precursor by irradiation, the pigmentation of which material consists of coloured organic pigments, at least one of which is ... | 01/04/2000 |
| 6007586 | Pigment dyeing and pigment printing process The present invention describes a process for dyeing or printing fiber material by the pigment dyeing or pigment printing process, which comprises applying to the fiber material, and subsequently fixing, a dyeing liquor or a print paste comprising at leas... | 12/28/1999 |
| 6008332 | Phthalimidylazo dyes, process for their preparation and the use thereof Disperse azo dyes of formula ##STR1## wherein R1 is hydrogen, C1 -C2 alkyl, halogen, NH--CO--R5 or O--SO2 --R6 ; R2 is hydrogen, halogen, C1 -C4 alkyl,... | 12/28/1999 |
| 5985019 | Pigments A process for the manufacture of a pigment concentrate which comprises dispersing dry organic pigment granules in an organic vehicle.... | 11/16/1999 |
| 5972084 | Process for printing textile fiber materials in accordance with the ink-jet printing process A process for printing textile fiber materials in accordance with the ink-jet printing process, wherein the fiber materials are printed with an aqueous ink comprising a) at least one reactive dye of formula ##STR1## or at least one reactive dye of fo... | 10/26/1999 |
| 5968242 | Colourant-loaded molecular sieve A molecular sieve, which contains in all, or only in some, of its cavities colorant molecules as well as a modifier which is covalently bound to said molecular sieve and which reduces its pore diameter, a process for its preparation as well as its use as ... | 10/19/1999 |
| 5964929 | Process for the production of ink concentrates A process for the preparation of an ink concentrate which comprises (a) milling a crude metal phthalocyanine to reduce the particle size thereof, thereby forming a modified crude metal phthalocyanine and (b) kneading a mixture of the modified crude metal phthalocya... | 10/12/1999 |
| 5948125 | Method of treating dyed, natural or synthetic polyamide fibre materials A method of fixing dyes on natural or synthetic polyamide fiber material, wherein the fiber material is treated, before, during or after dyeing, with a liquor comprising a homo- or co-polymer having structural repeating units of at least one of formulae (... | 09/07/1999 |
| 5919299 | Process for producing transparent pigmentary quinacridones by acid swelling of premilled subpigmentary quinacridones in the presence of an organic liquid A process for preparing transparent, pigmentary quinacridone compounds and solid solutions thereof comprises combining a premilled, sub-pigmentary powder containing at least one unsubstituted or substituted quinacridone or a derivative thereof with a suff... | 07/06/1999 |
| 5917120 | Resist printing on hydrophobic fibre materials The present invention relates to a process for printing hydrophobic fibre materials with disperse dyes, which comprises a procedure in which the fibre materials A) are dyed over the entire area or printed over the entire area with a disperse dye and B) ar... | 06/29/1999 |
| 5917035 | Oxazine dyes, their preparation and the use thereof The compounds of formula ##STR1## wherein the substituents are as defined in the claims, are suitable for dyeing or printing, inter alia, polyacrylonitrile and acid-modified polyester fibers, and can furthermore be converted by anion exchange into ... | 06/29/1999 |
| 5914445 | Dyeing assistant preparations and their use for dyeing wool The present invention relates to novel dyeing assistant preparations comprising, as component (a), at least one amine oxide of the formula ##STR1## in which R is an aliphatic radical having 8 to 24 carbon atoms and R1 is an aliphatic radical wh... | 06/22/1999 |
| 5914426 | Process for the preparation of di-tert-butyl succinate A process for the preparation of di-tert-butyl succinate of formula ##STR1## by proton-catalysed esterification of succinic acid with isobutene, which comprises reacting succinic acid or succinic acid anhydride, or mixtures thereof, with isobutene in... | 06/22/1999 |
| 5914444 | Process for increasing the sun protection factor of cellulosic fiber materials Process for increasing the sun protection factor of cellulosic fibre materials by treating the cellulosic fibre materials with at least one direct dye and at least one UV absorber.... | 06/22/1999 |
| 5911902 | Use of modified fatty amines for preventing low molecular weight by-product deposits on textile materials The present invention relates to the use of a modified fatty amine of formula R--NR3 --(R1 --O)n --R2 (1), wherein R is C9 -C24 alkyl or acyl, R1 is C2 -C4 | 06/15/1999 |
| 5891201 | Process for the continuous dyeing of yarns with reactive dyes and apparatus for carrying out this process The present invention relates to a process for the continuous dyeing of cellulose fibre yarns with reactive dyes and to an apparatus for carrying out this process. The process essentially comprises steps of impregnating yarn which has been continuously un... | 04/06/1999 |
| 5810889 | Aqueous textile treatment compositions containing an ultra-violet absorbing agent The present invention provides an aqueous textile treatment composition comprising: a) a non-reactive UVA compound; b) an emulsifier for the UVA compound; c) water, and, optionally, d) a polysiloxane-based product; as well as a method of treating a textile fibre ma... | 09/22/1998 |
| 5786475 | UV absorbers, their preparation and the use thereof The invention relates to compounds of formula ##STR1## wherein the variables have the meanings given in the claims. The compounds are suitable for use as UV absorbers for the photochemical stabilization of undyed, dyed or printed textile fiber materi... | 07/28/1998 |
| 5718754 | Pigment compositions The invention provides a pigment composition comprising a pigment having adsorbed on its surface, or as a physical mixture, up to 10% by weight, based on the total weight of pigment composition of a coding compound which is a compound containing an azo, a... | 02/17/1998 |
| 5705605 | Process for the preparation of a dyeing auxiliary There is described a process for the preparation of basic poIycondensates, which comprises (a) reacting an amine of formula ##STR1## wherein R1, R2, R3 and R4 are each independently of one another hydrogen ... | 01/06/1998 |
| 5700295 | UV absorbers, their preparation and the use thereof The invention relates to compounds of formula ##STR1## wherein the variables have the meanings given in the claims. The compounds are suitable for use as UV absorbers for the photochemical stabilisation of undyed, dyed or printed textile fiber materi... | 12/23/1997 |
| 5696262 | Water-soluble triazines The invention relates to novel water-soluble triazines of formula ##STR1## wherein the variables are as defined in the claims, to a process for their preparation and to the use thereof for the photochemical and thermal stabilisation of dyed or undyed... | 12/09/1997 |
| 5672754 | Process for the preparation of aminodiphenylamine compounds The invention relates to a process for the preparation of compounds of formula ##STR1## wherein R1 is hydrogen, C1 -C4 alkyl or sulfo, and R2 is hydrogen or C1 -C4 alkyl, which process... | 09/30/1997 |
