Patent application number | Description | Published |
20080201872 | Aqueous Formulations Of Dye Mixtures - The present invention relates to an aqueous formulation of dye mixtures, comprising at least one anionic dye, at least one cationic dye and/or an acid dye derived from a cationic structural unit and, optionally, at least one formulation assistant, a process for their preparation and the use thereof for dyeing natural or synthetic fibres, especially paper or paperboard. | 08-28-2008 |
20080307588 | 1-Phenoxy-2-Propanol as a Formulating Aid for Dyes - The invention relates to an aqueous dye solution comprising a) 5 to 30% by weight of an anionic or cationic direct dye, b) 0.1 to 10% by weight of 1-phenoxy-2-propanol, c) 0 to 20% by weight of an inorganic or an organic acid, d) 0 to 20% by weight of further additives and e) water to complete to 100%, a process for the preparation of the solution and the use thereof for dyeing paper. | 12-18-2008 |
20090077756 | Aqueous solutions of direct dyes - The invention relates to an aqueous dye solution comprising a) 5 to 30% by weight of an anionic or cationic direct dye, b) 0.01 to 5% by weight of the compound of formula (1), in which M represents hydrogen, an alkali metal or alkaline earth metal, ammonium or ammonium, that is mono-, di-, tri- or tetra-substituted by C | 03-26-2009 |
20090105108 | Shading Process - The present invention relates to a shading process characterized by using a composition comprising a phthalocyanine to which at least one dyestuff is attached through a covalent bonding, to shading compositions, to new compounds used in these shading compositions as well as to the production of these new compounds. | 04-23-2009 |
20090220749 | Coating Compositions Comprising a Latent Activator for Marking Substrates - The present invention provides a composition, which comprises a latent activator. It also provides a process for the preparation of these compositions, substrates coated with these compositions and a process for their preparation, a process for preparing marked substrates using these compositions and marked substrates obtainable by the latter process. | 09-03-2009 |
20100104825 | ELECTROMAGNETIC RADIATION OR THERMALLY SENSITIVE COMPOSITION - The present invention provides coating compositions comprising (i) a) a compound containing a free carbonyl group and b) a nucleophile or (ii) a compound containing a free carbonyl group, which compound is substituted with one or more nucleophilic groups. The present invention also provides a process for the preparation of these compositions, substrates coated with these compositions and a process for their preparation, a process for preparing marked substrates using these compositions, and marked substrates obtainable by the latter process. | 04-29-2010 |
20100199443 | YELLO ANIONIC DISAZO DYES - The present invention relates to novel yellow anionic dyes, a process for their preparation, certain novel intermediates necessary for their preparation and the use of these dyes for dyeing natural or synthetic materials, in particular, paper. The dyes are of formula (14), (15) or (16) | 08-12-2010 |
20100299849 | SHADING PROCESS - The present invention relates to a shading process characterized by using a composition comprising a phthalocyanine to which at least one dyestuff is attached through a covalent bonding, to shading compositions, to new compounds used in these shading compositions as well as to the production of these new compounds. | 12-02-2010 |
20100304166 | NEW FIBER PRODUCTS - Fiber products, comprising in their body at least 20% by weight of cellulose fibers, and adequate amounts of an acid and a cationic retention aid for the acid, can be marked by means of a laser beam. | 12-02-2010 |
20100319142 | Improved Shading Process - The present invention relates to new compounds, which are molecular combinations of a phthalocyanine and a mono-azo dyestuff linked via specific linking groups and to a process for their preparation. Further aspects are shading compositions using these compounds. | 12-23-2010 |