Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7559959 | Bridged monoazo dyes Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates. ... | 07/14/2009 |
| 7235110 | Method for dyeing fabric materials with indigo, other vat dyes, and sulfur dyes A method for surface dyeing a range of textile materials, in the form of yarn, fabric, or garments, includes: a) preparing a dyebath including dye particles and an additive, such as an anionic acrylic copolymer, causing the particles to become charged; b) preparing ... | 06/26/2007 |
| 7101407 | Sulfur dye protection systems and compositions and methods employing same The present invention relates to sulfur dye protection systems and compositions and methods employing same, as well as processes for making sulfur dyes, especially bleach stable sulfur dyes, processes for dying textiles with sulfur dyes and textiles dyed by such pro... | 09/05/2006 |
| 7066991 | Ink jet ink set An ink jet set comprising: a) a cyan ink comprising a carrier and a sulfonated copper phthalocyanine dye; b) a magenta ink comprising a carrier and an anthrapyridone magenta dye or metal complex magenta dye, or azo-naphthol derivative magenta dye or mixture thereof;... | 06/27/2006 |
| 7018424 | Sulfur dye protection systems and compositions and methods employing same The present invention relates to sulfur dye protection systems and compositions and methods employing same, as well as processes for making sulfur dyes, especially bleach stable sulfur dyes, processes for dying textiles with sulfur dyes and textiles dyed by such pro... | 03/28/2006 |
| 7018769 | Liquid toners comprising organic pigments and methods Liquid electrographic toner compositions are provided comprising a liquid carrier having a Kauri-Butanol number less than about 30 mL and a plurality of toner particles dispersed in the liquid carrier. The toner particles comprise polymeric binder and a pigment comp... | 03/28/2006 |
| 6916348 | Dyed leather and method for dyeing tanned leather Tanned leather is (a) pretreated in an aqueous and alkaline medium either with ammonia, primary amines or a mixture of ammonia and primary amines and then with a polyfunctional organic compound containing at least one aldehyde group as a functional group, or (b) in ... | 07/12/2005 |
| 6846334 | Sulfur dye protection systems and compositions and methods employing same The present invention relates to sulfur dye protection systems and compositions and methods employing same, as well as processes for making sulfur dyes, especially bleach stable sulfur dyes, processes for dying textiles with sulfur dyes and textiles dyed by such pro... | 01/25/2005 |
| 6814763 | Mediator systems based on mixed metal complexes, used for reducing dyes Mediator systems obtainable by mixing one or more salts of a metal capable of forming a plurality of valence states with at least one amino-containing complexing agent (K1) and at least one hydroxyl-containing but amino-devoid complexing agent (K2) in an alkaline aq... | 11/09/2004 |
| 6790241 | Mediator systems based on mixed metal complexes, used for reducing dyes Mediator systems obtainable by mixing a salt of an electrochemically active complexing metal (M1) capable of forming a plurality of valence states with a hydroxyl-containing complexing agent, which may likewise be present as salt, and with a salt of an electrochemic... | 09/14/2004 |
| 6302925 | Process and composition of sulfur dyes A process for dyeing fibrous substrates which comprises the steps of: providing a fibrous substrate; providing at least one sulfur dye; providing at least one reduction stable direct dye; and applying said reduction stable direct dye and sulfur dye to sai... | 10/16/2001 |
| 6287349 | Process and composition of sulfur dyes A process for dyeing fibrous substrates which comprises the steps of: providing a fibrous substrate; providing at least one sulfur dye; providing at least one reduction stable direct dye; and applying said reduction stable direct dye and sulfur dye to sai... | 09/11/2001 |
| 6129769 | Enzymatic methods for dyeing with reduced vat and sulfur dyes The present invention relates to methods for dyeing a material, comprising (a) treating the material with a dyeing system which comprises one or more reduced vat dyes and/or one or more reduced sulfur dyes; and (b) oxidizing the one or more reduced vat dy... | 10/10/2000 |
| 6093221 | Process for reducing sulfur and vat dyes This invention concerns a process for reducing dyes of the group consisting of sulfur and vat dyes. The reduction is carried out in an aqueous alkali medium using isomaltulose or a mixture containing isomaltulose as the reducing agent.... | 07/25/2000 |
| 6019800 | Process and composition of sulfur dyes A process for dyeing fibrous substrates which comprises the steps of: providing a fibrous substrate; providing at least one sulfur dye; providing at least one reduction stable direct dye; and applying said reduction stable direct dye and sulfur dye to sai... | 02/01/2000 |
| 5964899 | Azo dyes, their production and use Azo dyes containing sulphur dye entities as a constitutional component are dyes of valuable properties, in particular for the dyeing of leather.... | 10/12/1999 |
| 5961670 | Sulfur dyes New sulfur dyes comprising in their preparation at least one sulfur dye intermediate of the formula I ##STR1## wherein R and R1 are independently nitro, nitroso or amino, are produced by including in their preparation at least one modifyin... | 10/05/1999 |
| 5948122 | Enzymatic methods for dyeing with reduced vat and sulfur dyes The present invention relates to methods for dyeing a material, comprising (a) treating the material with a dyeing system which comprises one or more reduced vat dyes and/or one or more reduced sulfur dyes; and (b) oxidizing the one or more reduced vat dy... | 09/07/1999 |
| 5922085 | Preparation of a dye for coloring protein-based fibers and cellulose-based materials from the oxidation products of the manufacture of a triphenylmethane dye A process of preparing a dye composition and a resultant dye composition. The process includes preparing a mixture comprising a triphenylmethane dye and oxidation products by reacting methylenedianiline, aniline, an oxidation catalyst, and an oxidant; sep... | 07/13/1999 |
| 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 |
| 5876466 | Suede-like artificial leather Suede-like artificial leather is described that is treated with at least one dye selected from the group consisting of sulfur dyes, vat dyes and sulfur vat dyes, and 2,2',4,4'-tetrahydroxy benzophenone. The suede-like artificial leather has excellent colo... | 03/02/1999 |
| 5873911 | Water-soluble urea derivative polymers with quaternary ammonium groups and their use Polymeric, water soluble, quaternary ammonium compounds (F) obtainable by quaternization of (a) at least one amino-group-containing urea compound that contains one or more groups of the formula --NH--CO--NH--G--L-- (³... | 02/23/1999 |
| 5873912 | Exhaust dyeing process for sulphur dyes Improved processes for the exhaust dyeing of cellulosic fibers with sulphur dyes in the presence of non-sulphide reducing agents wherein the dyeing of the textile substrate is performed in a closed vessel in an atmosphere of reduced oxygen level and then ... | 02/23/1999 |
| 5766269 | Cationic dyes, their production and use A cationic dye (SK) comprising at least one quaternary ammonium group or protonated or protonizable tertiary amino group and at least one chromophoric radical, wherein the chromophoric radical is the radical of an optionally (pre)reduced sulphu... | 06/16/1998 |
| 5632782 | Exhaust dyeing process for sulphur dyes Improved processes for the exhaust dyeing of cellulosic fibers with sulphur dyes in the presence of non-sulphide reducing agents wherein the dyeing of the textile substrate is performed in a closed vessel in an atmosphere of reduced oxygen level and then ... | 05/27/1997 |
| 5611818 | Dry leuco sulphur dyes in particulate form By reducing a sulphur dye (S) in aqueous medium with a reducing carbonyl compound in the presence of alkali metal hydroxide and optionally alkali metal (bi)sulphite at temperatures above 60° C. and drying the reaction mixture, there are obtained very sta... | 03/18/1997 |
| 5558677 | Dyeing and printing textile materials made of cellulose fibers A process for dyeing and printing textile materials consisting of cellulose fibers or containing cellulose fibers in a blend with other fibers in an aqueous medium at above pH 12 with vattable dyes in the presence of cyclic compounds which contain at leas... | 09/24/1996 |
| 5518508 | Continuous dyeing of yarns A continuous process for dyeing yarns with vattable dyes comprises, in continuous yarn dyeing ranges, metering an aqueous dye dispersion into the circulating chemical liquor.... | 05/21/1996 |
| 5470356 | Sulfur dye compositions and their production A sulfur dye or sulfurized vat dye is treated in an aqueous reducing medium, preferably an aqueous mixture of alkali and reducing sugar, to form a solution which is then oxidized to form particles of the dye having improved characteristics.... | 11/28/1995 |
| 5300148 | Pigments, their production and use Pigments (P) obtainable by cationizing desolubilization of (L) the colored leuco form of sulphur dyes and standardization of the desolubilized products and their use, in particular in printing inks.... | 04/05/1994 |
| 5244549 | Process for the reduction of dyes In a process for reducing dyes in aqueous solution, a pair of electrodes is immersed in the solution. The cathode potential is maintained below the value at which hydrogen is evolved. A reducing agent is used, the redox potential of which, increased by th... | 09/14/1993 |
| 5240466 | Dyeing leather with water-insoluble sulphur dyes The present invention relates to a process for dyeing leather by the exhaust method, characterized in that water-insoluble sulphur dyes in dispersed form are used.... | 08/31/1993 |
| 5240463 | Dyeing leather: exhaustion process using combination of pigment dispersion and aqueous solution of water-soluble sulfur dye The process for dyeing leather by the exhaust method comprises allowing a pigment dispersion and an aqueous solution of sulfur dye to act on the conventionally pretreated leather in one step or in succession. It affords a high depth of shade and a high br... | 08/31/1993 |
| 5234465 | Pad-dyeing of cellulose fibers with sulfur black dyes: mixture of dithionite and glucose reducing sugar as reducing agent in aqueous alkaline dye bath Cellulose fibers are dyed ecologically soundly with sulfur black dyes by the pad-dyeing process by avoiding sulfides as reducing agent by replacing them by a dithionite-based mixture with at least one reducing sugar. A high color yield, a deep black shade... | 08/10/1993 |
| 5230711 | Dyeing of cellulose with soluble sulphur dyes without reducing agent Water-soluble sulphur dyes can be applied to cellulose without reducing agents, without added salt and without oxidising agents if the cellulose has been grafted with a polymer obtained by polymerisation of at least one N-containing basic monomer.... | 07/27/1993 |
| 5131913 | Production of pattern effects when dyeing or printing textile material in the absence of alkali or reducing agents: cationization and oxidized in a pattern before dyeing Process for producing pattern effects when dyeing or printing textile material in the absence of alkali or reducing agents, which comprises pretreating the textile material with a cationizing agent, drying, applying an oxidizing agent in the form of a pat... | 07/21/1992 |
| 5030248 | Dyeing method Cellulosic substrates are dyed by a continuous dyeing method with dispersed sulfur dyes using a reducing sugar, especially glucose, as the reducing agent for the dye.... | 07/09/1991 |
| 5019131 | Redyeing suppressed bleached fabric A process for redyeing partially bleached fabric or garments to yield sharply-etched multicolored designs comprises the steps of: (a) dyeing the fabric, or purchasing a commercial garment, with a background first color; (b) gathering selected areas of the dyed... | 05/28/1991 |
| 4992078 | Sulfur dyes and method of preparing same: membrane process Improved sulfur dye dispersions are obtained by subjecting an aqueous suspension of oxidized sulfur dye particles to membrane separation. The oxidized sulfur dye is obtained by controlled aeration whereby the content of sulfides, polysulfur and inorganic ... | 02/12/1991 |
| 4950306 | Dyeing and printing of cellulosic fibre materials with vat dyes with mono- or di-hydroxyacetone as reducing agent Process for dyeing and printing cellulosic fiber materials with vat dyes in the presence of enediols as reducing agents and alkali, using in addition small amount of organic water-miscible solvents, for example low molecular weight alcohols, when reducing... | 08/21/1990 |
