Quotables
"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7439340 | Reactive dyes containing an alkylthio-s-triazinyl reactive group A reactive dyestuff containing an alkylthio-s-triazinyl reactive group of the following formula (I) is disclosed, wherein A, X, Y, Z, R, Q, and a are defined the same as the specification. It is suitable for exhaust dyeing,... | 10/21/2008 |
| 7326777 | Fiber reactive dyestuffs A fiber reactive dyestuff of the following formula (I) wherein the definition of D, R, R1, R2, X and Z have the same meaning as given in the specification. The fiber reactive dyestuff of the... | 02/05/2008 |
| 7282070 | Reactive dye composition and the use thereof A reactive dye composition having satisfactory reproducibility, leveling, washing off and toughness under balanced affinity and reactivity, and improving Right First Time success ratio, for dyeing a cellulose fiber or fiber materials containing the cellulose fiber. ... | 10/16/2007 |
| 7129336 | Reactive azo dyes, their preparation and their use The present invention relates to reactive dyes of the general formula (1) where Y is a heterocyclic reactive group of the general formula (2) or (3) | 10/31/2006 |
| 7122667 | Fibre-reactive dyes, their preparation and their use Reactive dyes of formula (1) wherein Q1, Q2, Q3 and Q4 are each independently of the others hydrogen or unsubstituted or substituted C1–C4alkyl, A is the radical of a monoazo, polyazo, metal complex... | 10/17/2006 |
| 7109313 | Water-soluble reactive mono- and di-azo dyes The present invention relates to dyes of the general formula (I) where X1 is a radical —CH2CH2Z or —CH═CH2, Z being analkali-eliminable group, ... | 09/19/2006 |
| 7105645 | Water-soluble fiber-reactive dyes, method for the production and use thereof Dyes of general formula (I) wherein R1, R2, M, Y and x have the meaning cited in the description, the production and use thereof for dyeing or printing material containing hydroxy and/or carbonamide groups, preferably fiber material. | 09/12/2006 |
| 7094277 | Counterion use for reduction of decap and for improvement of durability of inkjet images A dye for ink-jet printing on both hydrophilic and hydrophobic papers. The dye includes a chromophore tonically coupled to a counterion. One of the chromophore and the counterion includes a hydrophilic moiety. The other includes a hydrophobic moiety. ... | 08/22/2006 |
| 7091328 | Fiber-reactive mono-azo dyes According to the invention there are provided fiber-reactive dyestuffs which are compounds of the formula (I) wherein the substituents are defined as in claim 1, a process making the same and th... | 08/15/2006 |
| 7038024 | Fibre-reactive azo dyes, their preparation and their use Reactive dyes containing at least one structural unit of formula (I), wherein Y is vinyl or a radical —CH2—CH2—U and U is a group removable under alkaline conditions, are suitable for dyeing cellulosic or amide-group-containing fiber mate... | 05/02/2006 |
| 6974497 | Monoazo dyes Claimed are compounds of formula (I) where the substituents are each as defined in the claims, their preparation, their use as dyes and as a ingredients of an ink-jet printing ink and also substrates dyed with such compounds. | 12/13/2005 |
| 6949631 | Reactive azo dyes, method for the production and use thereof The present invention relates to reactive dyes of the general formula (1) where X1, X2, R, M, m and n are each as defined in claim 1, processes for their preparation and also their use for dyeing ... | 09/27/2005 |
| 6930179 | Method for the trichromatic dyeing or printing of synthetic polyamide fiber materials Method for the trichromatic dyeing or printing of synthetic polyamide fiber material, wherein at least one red reactive dye of formula is used together with at least one of the yellow or orange reactive dyes of formula... | 08/16/2005 |
| 6916350 | Dye mixture of water-soluble fiber-reactive azo dyes, method for the production and use thereof Dye mixtures including one or more azo dyes of the general formula (1) and one or more azo dyes of the general formula (2) are prepared and used for dyeing or printing hydroxyl- and/or carboxamido-containing material, ... | 07/12/2005 |
| 6900294 | Reactive azo dyes preparation thereof and use thereof The present invention relates to reactive dyes of the general formula (1) where Y is a heterocyclic reactive group of the general formula (2) or (3) | 05/31/2005 |
| 6815536 | Monoazo reactive red dyestuff A monoazo reactive red dyestuff of the formula (I), wherein the R1, R2, R3, X, D, Z and n are as defined in the description. These kinds of dyestuffs are suitable for dyeing and printing of materials containing either cellulos... | 11/09/2004 |
| 6809187 | Metal complex dyes based on Bucherer naphthols Reactive copper, cobalt or chromium complex compounds of the general formula (1) where R1-R5, M, Me, W1, X, k, l and m are each as defined in claim 1, processes for their prepara... | 10/26/2004 |
| 6790943 | Reactive dye compounds A reactive dye compound comprising: (a) at least one chromophore moiety; (b) at least one SO2C2H4 group which is attached to the chromophore moiety either directly via the sulphur atom of the SO2C2... | 09/14/2004 |
| 6723834 | Reactive dye compounds A reactive dye compound comprising: (a) at least one chromophore moiety; (b) at least one nitrogen-containing heterocycle (c) a linking group to link each chromophore moiety to each nitrogen-containing heterocycle; characterized in that a... | 04/20/2004 |
| 6713613 | Reactive dye compounds A reactive dye compound comprising: (a) at least one chromophore moiety (b) at least one nitrogen-containing heterocycle (c) a linking group to link each chromophore moiety to each nitrogen-containing heterocycle; characterised in that at... | 03/30/2004 |
| 6624291 | Yellow-reactive monoazo dyes containing a tertiary or a quarternary nitrogen group, methods for their preparation and use thereof for dyeing hydroxy-and/or carboxamido-containing fiber material Monoazo dyestuffs of the formula (1) ##STR1## wherein Y is vinyl or is ethyl which is substituted in the ଲ-position by a substituent which can be eliminated by the action of an alkali, forming the vinyl group; M, X, are groups customary to d... | 09/23/2003 |
| 6552175 | Reactive dyes, a process for their preparation and their use Reactive dyes of formula ##STR1## wherein R1 is halogen, C1 -C4 alkyl, C1 -C4 alkoxy, C2 -C4 alkanoylamino, ,ଲ-dihalopropionylamino or -haloacryloylamino, X i... | 04/22/2003 |
| 6518409 | Reactive dyes, processes for the preparation thereof and the use thereof Reactive dyes of formula ##STR1## wherein R1 and R2 are each independently of the other hydrogen or unsubstituted or substituted C1 -C4 alkyl, A is C2 -C8 alkylene interrupted by oxygen, X is ha... | 02/11/2003 |
| 6410698 | Reactive dyes with a combination anchor The reactive dyes have the general formula I ##STR1## where n is 0 or 1, m is 0 or 1, Y is vinyl or a radical of the formula C2 H4 Q, where Q is an alkali-detachable group, L is C2 -C6 -alkylene with or without inter... | 06/25/2002 |
| 6399751 | Reactive dyes containing a halobenzene nucleus This application relates to reactive dyes having at least one halobenzene nucleus linked to a chromophoric group via an amino linkage and additionally containing a second reactive group. ##STR1##... | 06/04/2002 |
| 6398822 | Packaged hair coloring composition Packaged hair coloring composition comprising a stable aqueous hair coloring composition comprising a compound of formula (I): ##STR1## wherein the variables are each as defined in the claims. The packaged hair coloring compositions of the present inventi... | 06/04/2002 |
| 6395885 | Use of lithium salts of anionic dyes to enhance their light-fastness The use of lithium as a cation for an anionic dye to enhance the light-fastness of the dye. Also claimed are the lithium salts of certain anionic dyes as defined in the description; mixed lithium/sodium salts of an anionic dye wherein the molar ratio of l... | 05/28/2002 |
| 6372893 | AZO dyestuffs Claimed are novel azo dyes of the formula (I) ##STR1## where the substituents are each as defined in the claims, their preparation, their use as dyes and as an ingredient of an ink-jet printing ink and also substrates dyed with such compounds.... | 04/16/2002 |
| 6329514 | Fiber reactive dyestuffs A fiber reactive dyestuff of the following formula (I) ##STR1## wherein the definition of D, and Z the same meaning as given in the description. The fiber reactive dyestuff of the present invention is suitable for dyeing and printing on cellulose fiber or... | 12/11/2001 |
| 6319290 | Fiber-reactive disazo dyestuffs Compounds of the general formula (I) ##STR1## wherein R1 represents hydrogen or a C1 -C4 -alkyl group, X represents the radical of aliphatic, cyclic or aromatic diamines and Y represents hydrogen or an alkali metal, and a ... | 11/20/2001 |
| 6310187 | Reactive red dyes containing monochlorotriazine and acetoxyethyl sulfone groups The present invention relates to a bifunctional red reactive dye and more particularly, to the bifunctional red reactive dye with monochlorotriazine and acetoxyethylsulfone as reactive groups expressed by formula (I), wherein, M is alkaline metal atom, wh... | 10/30/2001 |
| 6281339 | Addition products of acryloylamino-substituted dyes, and the preparation and use thereof Monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine dyes comprising at least one structural unit of formula (1) ##STR1## wherein Z is C1 -C24 alkoxy unsubstituted or substituted in the alkyl ... | 08/28/2001 |
| 6271355 | Amine pyrazole nickel phthalocyanine dyes for coloration Dyes of Formula (1) which are useful for the coloration of e.g. cellulosic materials and leathers. ##STR1## wherein: NiPc is a nickel phthalocyanine radical; r has a value from 1 to 3 inclusive; m has a value from 1 to 3 inclusive; p has a value from 0 to 1 in... | 08/07/2001 |
| 6241789 | Process for dyeing or printing and novel reactive dyes Process for dyeing or printing paper, films of plastic or fibre material containing hydroxyl groups or containing nitrogen with reactive dyes, which comprises using at least one reactive dye of the formula (1) from the following group a) and at least one ... | 06/05/2001 |
| 6200963 | Aryl sulfonic acids as FSH antagonists wherein: R1 is a moiety selected from: ##STR2## R2 is CH2 CH2 CONH2 or CH2 CH2 OH; R3 and R4 are independent substituents selected from the group including H, --... | 03/13/2001 |
| 6177552 | Fiber-reactive azo compounds, processes for their preparation and their use as dyes Described are fiber-reactive water-soluble azo compounds which contain a group of the general formula (2) ##STR1## as diazo component where R21 is hydrogen, methyl, ethyl, methoxy, ethoxy or sulfo, R22 is hydrogen, methyl, ethyl, met... | 01/23/2001 |
| 6159250 | Doubled reactive dyes Doubled reactive dyes of the general formula I ##STR1## where Chr is a chromophore residue with or without further fiber-reactive groups and derived from a metallized or unmetallized mono- or disazo dye, from a triphendioxazine, from an anthraquinone... | 12/12/2000 |
| 6127531 | Monoazo reactive dyes A dyestuff according to formula (I) ##STR1## or a salt thereof wherein the substituents have the definitions as defined in claim 1. The dyestuffs are useful for dyeing or printing nitrogen-containing or hydroxy-group-containing organic substrates and... | 10/03/2000 |
| 6124441 | Monoaso compounds containing a fluoro-triazinyl group linked with a fiber-reactive group of the vinyl sulfone series via an ethyl-n-methyly-amino group, suitable as dyestuffs Described are fiber-reactive, water-soluble monoazo compounds which conform to the hereinbelow indicated and defined general formula (1) and which are capable of dyeing hydroxy- and/or carboxamido-containing material, especially fiber material, such as ce... | 09/26/2000 |
| 6114511 | Water-soluble monoazo compounds, preparation thereof and use thereof as dyes Fiber-reactive, water-soluble monoazo compounds conforming to the hereinbelow indicated and defined general formula (1) are capable of dyeing hydroxyl- and/or carboxamido-containing material, especially fiber material, such as cellulose fibers, for exampl... | 09/05/2000 |
