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| Number | Title | Issue Date |
| 5900029 | Reaction of carbon black with diazonium salts, resultant carbon black products and their uses Processes for coloring a fiber or textile by adding a carbon black product having an organic group attached to the carbon black. In one process at least one diazonium salt reacts with a carbon black in the absence of an externally applied electric current... | 05/04/1999 |
| 5685881 | Aromatic allylaminonitro compounds, hair dye compositions containing aromatic allylaminonitio compounds, and synthetic and natural fiber dyeing process Aromatic allylaminonitro compounds corresponding to formula (I): ##STR1## in which R1 is hydrogen or an alkyl group containing 1 to 4 carbon atoms, R2 is hydrogen, an alkyl group containing 1 to 4 carbon atoms or an allyl group ... | 11/11/1997 |
| 5554196 | Method of marking a surface of an object by means of a laser light Method of marking a surface of an object by means of a laser light beam. A description is given of a method of decorating or marking, for example, synthetic resin objects by means of an UV-laser or IR-laser by coating the object with a layer of a dye precursor... | 09/10/1996 |
| 5409780 | Aniline analogs for hydrogen peroxide detection Systems are provided for the detection of hydrogen peroxide for determination of analytes, where a N-alkylated 3-oxyaniline derivative is covalently bonded to a bibulous support and the other component for forming an indamine dye may be non-covalently bou... | 04/25/1995 |
| 5000756 | Process for dyeing cellulosic fibre materials with reactive phthalocyanine dyes from bath containing colorless compounds The invention relates to a process for dyeing cellulosic fibre materials with reactive dyes by the pad dyeing process in the process of an assistant, which process comprises the use of a mixture containing (a) at least one reactive dye of formula ##STR1##... | 03/19/1991 |
| 4929249 | Discharge and discharge resist printing using aminoreductones Textile materials made of polyester, triacetate, acetate or polyamide or mixtures thereof are printed by the discharge printing or discharge resist printing technique by using as discharging agent for disperse dyes a 3-aminoreductone of the formula #... | 05/29/1990 |
| 4886518 | Dyeing cellulose fibres without incurring ending with colorless pyrimidine, triazine, aromatic, furfuryl or quinolinyl compound A process for dyeing cellulose fibres or cellulose-containing blend fibres with vat dyes, sulfur dyes, leuco vat ester dyes or azoic dyes by the pad dyeing process without incurring ending, in which an aqueous dyeing liquor is used which, aside from the d... | 12/12/1989 |
| 4655785 | Process for photochemical stabilization of polyamide and polyurethane fiber materials with metal complex compounds A process for the photochemical stabilization of undyed and dyed polyamide or polyurethane fibre material that is characterized in that the fibre material is treated with a water soluble, organic copper, manganese or nickel complex that displays an affini... | 04/07/1987 |
| 4014646 | Hard water-tolerant dye solutions Improved concentrated dye solutions comprising anionic monosulfonated anthraquinone dye, the cations including alkanolammonium cations, in a mixed solvent of water and an inert organic cosolvent, the improvement comprising the addition thereto of about 0.... | 03/29/1977 |
| 3973907 | Dyeing of halogenated aromatic polyester fibrous materials with dimethylterephthalate Heretofore, halogenated aromatic polyesters (as defined), such as those formed by the reaction of tetrabromobisphenol A, and a mixture of isophthaloyl chloride and terephthaloyl chloride, have proven to be extremely difficult to dye and to undergo a delet... | 08/10/1976 |
