William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7371831 | Azo dyestuffs Compounds of formula (I) wherein all substituents have the meanings as defined in the Specification, their production and their use. ... | 05/13/2008 |
| 7301013 | Azo compounds The present invention relates to novel dyestuffs of formula (I) wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and material dyed or ... | 11/27/2007 |
| 7204856 | Shaped bodies for forming cosmetic preparations A shaped body is provided that contains from 5 weight percent to 80 weight percent of at least one disintegration auxiliary, and from 5 weight percent to 40 weight percent of at least one thickener. The shaped body is particularly useful for forming cosmetic prepara... | 04/17/2007 |
| 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 |
| 7125966 | Azo compounds The present invention relates to novel dyestuffs of formula (I) wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and material dyed or printed by such dyestuffs | 10/24/2006 |
| 7101983 | Azo dyes The present invention relates to novel dyestuffs of formula (I) wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and material dyed or ... | 09/05/2006 |
| 7052541 | Color compositions The present invention includes a paint or coating composition comprising an organic pigment or dye complexed to the surface of a layered or fibrous inorganic clay. A wide variety of paint colors can be obtained by varying the pH during the preparation as well as by ... | 05/30/2006 |
| 6953845 | Method of printing cellulosic fiber materials without an additional fixing process step Reactive dyes of formula wherein A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore, R1, R2 and R3 are each hydr... | 10/11/2005 |
| 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 |
| 6660045 | Hair colorant preparation The invention relates to a hair colorant comprised of a flowable, aqueous preparation of oxidation colorant intermediate products (A) and a flowable, aqueous oxidation agent preparation (B) which are mixed in a weight ratio A:B=1:2 to 2:1 to produce a gel... | 12/09/2003 |
| 6365136 | Compositions for removing or lightening hair color The composition for removing or lightening hair color is in the form of a hair color lightening suspension and is mixed with an aqueous oxidizing composition immediately prior to use. The composition includes a combination of from 0.1 to 80 percent by wei... | 04/02/2002 |
| 6221113 | Liquid dyestuff compositions A liquid dyestuff composition comprising from 4 to 50 wt % of a basic or cationic water soluble dyestuff, an organic or inorganic acid and 0.1 to 15.0 wt % of a phenolic derivative, the dyestuff having a solubility in water in the presence or absence of a... | 04/24/2001 |
| 6070454 | Leak detection additives for use in heating, ventilating, refrigeration, and air conditioning systems A leak detecting dye for use in heating, ventilating, air conditioning, or refrigeration systems employing a dye powder form of dyes such as naphthalimide, perylene, coumarin, and thioxanthane. The dye is formulated into a useful liquid or paste mixture by mix... | 06/06/2000 |
| 6070455 | Leak detection additives A dye-delivery structure for introducing a leak detection dye into a climate control system is described. The dye-delivery structure is formed by compression or molding a leak detection dye and a binding agent into a dye-delivery structure such as a table... | 06/06/2000 |
| 6036885 | Method for making cellulose esters incorporating near-infrared fluorophores A cellulosic ester has associated with the ester at least one near infrared fluorophore. A method for incorporating the near infred fluorophore into the cellulosic ester is also provided. In the method, the near infrared fluorophore is dissolved in a stro... | 03/14/2000 |
| 5980589 | High activity sulfonated lignin dye dispersants Improved dyestuff compositions comprising a dye cake and a dye dispersant are disclosed wherein the dye dispersant comprises sulfonated or sulfomethylated lignin of increased activity and improved heat stability properties and which dispersants are disclo... | 11/09/1999 |
| 5922087 | Stable liquid suspensions and method for analyzing same Stable, pourable aqueous suspensions of solid particulate materials are provided, especially suspensions of sulfur dyes which are characterized a very low content of inorganic sulfides and inorganic polysulfides. The suspensions are produced using certain... | 07/13/1999 |
| 5865853 | Composition for dyeing keratin fibers containing vegetable dyes, a direct dye compound and oil and method of dyeing hair using same The composition for dyeing keratin fibers is mixed with water prior to use and contains from 35 to 75 percent by weight of at least one powdery vegetable dye material; from 25 to 65 percent by weight of at least one oil; and from 0.001 to 15 percent by we... | 02/02/1999 |
| 5755830 | Method of preparing high activity sulfonated lignin dye dispersants Improved dyestuff compositions comprising a dye cake and a dye dispersant are disclosed wherein the dye dispersant comprises sulfonated or sulfomethylated lignin of increased activity and improved heat stability properties and which dispersants are disclo... | 05/26/1998 |
| 5749926 | Method of preparing high activity sulfonated lignin dye dispersants Improved dyestuff compositions comprising a dye cake and a dye dispersant are disclosed wherein the dye dispersant comprises sulfonated or sulfomethylated lignin of increased activity and improved heat stability properties and which dispersants are disclo... | 05/12/1998 |
| 5721313 | Crosslinked polymer composition A composition comprising a water-in-oil polymer emulsion wherein the polymer is the reaction product of the following: (a) an ethylenically unsaturated carboxylate having between about 3 and about 6 carbon atoms; (b) an ethylenically unsaturated monomer which ... | 02/24/1998 |
| 5697985 | Process for the preparation storage-stable dye dispersions This invention relates to a process for the preparation of storage-stable dye dispersions of alkali metal salts of anionic azo direct dyes by (a) preparing an aqueous slurry of an alkali metal salt of an azo direct dye, said salt having a solubility in water a... | 12/16/1997 |
| 5626634 | Aqueous compositions of solvent-soluble dyestuffs A liquid dyestuff composition comprising a solvent-soluble dyestuff and a water miscible organic solvent, the composition comprising over 25% by weight of dissolved dyestuff.... | 05/06/1997 |
| 5476519 | Dye suspensions Water insoluble or sparingly soluble dyestuffs such as disperse dyes as concentrates for making up dyebaths or for use as printing pastes, and optical brightening agents for laundry detergents are formulated as stable suspensions in aqueous structured sur... | 12/19/1995 |
| 5443599 | Process for reduction of textile dyestuffs A process comprising the reduction of textile dyestuffs in an aqueous alkaline medium by means of a reducing compound which is a complex of an organic complexing agent and an iron (II)-salt. The iron (II)-salt is present in an amount sufficient to ensure ... | 08/22/1995 |
| 5442054 | Highly substituted sulphoalkycellulose derivatives, especially sulphoethycellulose ether, a process for their preparation and their use as thickening agent for textile printing pastes The present invention relates to sulphoalkylcellulose derivatives, in particular sulphoethylcellulose, with a degree of substitution by sulphoethyl groups of 1.2 to 2.0 using a one- to three-step, preferably two-step process and the use of the sulphoalkyl... | 08/15/1995 |
| 5385585 | Use of anionic alkyl cellulose mixed ethers in textile printing The present invention relates to the use of anionic alkyl cellulose mixed ethers, preferably alkyl carboxy-methyl cellulose mixed ethers and, more preferably methyl carboxymethyl cellulose mixed ethers (MCMC), as auxiliaries in the textile industry and pr... | 01/31/1995 |
| 5358537 | Process for dyeing polymeric fibers There is disclosed a process and a composition for dyeing polymeric fibers which have limited dye sites and/or difficult to penetrate chemical structures. Briefly stated, the process comprises the steps of contacting polymeric fibers with a dye compositio... | 10/25/1994 |
| 5342444 | Dyestuffs and their use for mass-coloration of plastics Plastics are colored with at least one dyestuff of the following formula (I) ##STR1## in which the substituents have the meaning given in the description.... | 08/30/1994 |
| 5221532 | Coulteria tinctoria pod extract hair treatment composition A composition for treating hair including Coulteria tinctoria pod extract activated by high temperatures, which composition is formulated into a thixotropic paste or cream for direct application to hair, subjecting the hair to the composition for a select... | 06/22/1993 |
| 5209758 | Pasty or solid dye melts: disperse dye and nonionic and/or cationic surfactants The invention relates to novel pasty or solid dye melts which contain, per 1 part of a sparingly water-soluble or water-insoluble dye whose melting point is higher than 150° C., 2 to less than 5 parts of a nonionic surfactant with a melting point of 25°... | 05/11/1993 |
| 5149791 | Chlorotriazine reactive dyes having a 4-methoxy-2-sulfoaniline diazo component and 2-amino-5-naphthol-7-sulfonic acid coupling component Novel reactive dyes of the formula ##STR1## in which Z is a radical of the formula ##STR2## in which R1 and R2 independently of one another are hydrogen or C1 -C6 alkyl, which can be substituted by C | 09/22/1992 |
| 5136028 | Reactive azo dyes Novel reactive dyes of formula ##STR1## wherein Z is a radical of formula ##STR2## and R1, R2, R3, (R4)2-3, (R5)1-3, R7 and (R8)1-3 are... | 08/04/1992 |
| 5131916 | Colored fluorescent polymer emulsions for marker pens: graft copolymers and fluorescent dyes in aqueous phase Aqueous emulsions based on certain graft polymers are outstandingly suitable for the production of colored inks for so-called marker pens. They are distinguished, for example, by a high storage stability.... | 07/21/1992 |
| 4812143 | Liquid formulations of disperse dyestuffs containing inorganic oxides or silicates for dyeing textile materials Liquid formulations of disperse dyestuffs for dyeing hydrophobic synthetic fiber materials or mixtures of synthetic fiber materials with cellulose fiber material or wool contain from 0.1 to 10% by weight of pulverulent highly disperse inorganic oxides or ... | 03/14/1989 |
| 4713081 | Stable aqueous dyestuff preparations of finely dispersed water-insoluble or sparingly water-soluble dyes The invention provides aqueous dyestuff preparations of water-insoluble or sparingly water-soluble dyes which may be used for preparing printing pastes to be used for printing textile material as well as for printing supports for transfer printing. The pr... | 12/15/1987 |
| 4708719 | Disperse dye composition for use in solvent dyeing A disperse dye concentrate for use in non-aqueous solvent systems, employing a disperse dye, comprises 10-95% by weight of dry disperse dye, free of water-soluble dispersing agents, admixed with one or more of: (A) a cycloaliphatic diester of the formula ... | 11/24/1987 |
| 4693725 | Aqueous liquid dye composition containing bifunctional reactive dye having both monohalogenotriazinyl and vinyl sulfonyl fiber reactive groups An aqueous liquid dye composition improved in storage stability, which comprises a bifunctional reactive dye of the following formula, ##STR1## wherein D is an organic dye residue having at least one sulfonic acid group, R1 and R2 | 09/15/1987 |