Class / Patent application number | Description | Number of patent applications / Date published |
008648000 | Fluorescent dye, e.g., stilbene, benzimidazole, benzoxazole, benzothiazole, pyrazoline dye, etc., optical brightner or bluing agent | 16 |
20090000043 | Process for The Treatment of Fiber Materials - The present invention relates to a process for improving the whiteness of fibre materials selected from the group consisting of polyester, polyamide, polyacrylonitrile, wool and silk, wherein the fibre materials are treated with at least one disperse dye in a laundry process. | 01-01-2009 |
20090031506 | UV Excitable Fluorescent Energy Transfer Dyes - Novel energy transfer dyes which can be used with shorter wavelength light sources are provided. These dyes include a donor dye with an absorption maxima at a wavelength between about 250 to 450 nm and an acceptor dye which is capable of absorbing energy emitted from the donor dye. One of the energy transfer dyes has a donor dye which is a member of a class of dyes having a coumarin or pyrene ring structure and an acceptor dye which is capable of absorbing energy emitted from the donor dye, wherein the donor dye has an absorption maxima between about 250 and 450 nm and the acceptor dye has an emission maxima at a wavelength greater than about 500 nm. | 02-05-2009 |
20090100612 | Composition of Enhanced Stability and a Process for Making such a Composition - The invention relates to a laundry detergent shading composition that has been coated with a polymer that serves to promote the stability of the dye. | 04-23-2009 |
20090106916 | Detergent Composition for Textile Fibre Materials - A detergent composition comprising i) 1-70% of an anionic or nonionic surfactant, ii) 1-75% of a builder, iii) 0.001-5% of at least one compound of Formula (1) wherein R represents a C | 04-30-2009 |
20090172898 | Detergent Compositions - The present invention relates to new compositions comprising compounds, which are molecular combinations of a phthalocyanine and a mono-azo dyestuff linked via specific linking groups. Further aspects are an improved shading process for textile materials and also use of these shading compositions for shading textiles. | 07-09-2009 |
20090172899 | PHENYL XANTHENE DYES - Fluorescent phenyl xanthene dyes are described that comprise any fluorescein, rhodamine or rhodol comprising a particular C9 phenyl ring. One or both of the ortho groups on the lower C9 phenyl ring is ortho substituted with a group selected from alkyl, heteroalkyl, alkoxy, halo, haloalkyl, amino, mercapto, alkylthio, cyano, isocyano, cyanato, mercaptocyanato, nitroso, nitro, azido, sulfeno, sulfinyl, and sulfino. In one embodiment, halo and/or hydroxy groups are used. Optimal dyes contain a lower C9 phenyl ring in which both ortho groups are the same and the lower ring exhibits some form a symmetry relative to an imaginary axis running from the phenyl rings point of attachment to the remainder of the xanthene dye through a point para to the point of attachment. The phenyl xanthene dyes may be activated. Furthermore, the phenyl xanthene dyes may be conjugated to one or more substances including other dyes. The phenyl xanthene dyes are useful for a number of purposes, including labels for use in automated DNA sequencing as well the formation of fluorescent “bar codes” for polymeric particles used in the multiplexed analysis of analytes. | 07-09-2009 |
20090217467 | Shading Composition - A laundry treatment composition comprising: (i) from 2 to 70 wt % of a surfactant, and from 0.0001 to 0.1 wt % of an azine dye, wherein the dye is of the following core structure (I), wherein R | 09-03-2009 |
20090293210 | Laundering process for whitening synthetic textiles - The present invention relates to the use of a combination of a free fluorescent whitening agent and cationic polymer as a brightening agent for a synthetic single or blended textile, especially polyester textile, and to a corresponding brightening agent as well as a laundering process for brightening a synthetic, single or blended textile, which is characterized by a) preparing a composition by contacting a free fluorescent whitening agent with a cationic polymer, and b) treating said synthetic, single or blended textile with the composition prepared in step a). | 12-03-2009 |
20090320218 | LAUNDRY CARE COMPOSITIONS WITH THIAZOLIUM DYE - The present invention relates to thiazolium dyes, laundry care compositions comprising one or more thiazolium dyes, processes of making such dyes and laundry care compositions and methods of using same. The dyes, compositions and methods of the present invention are advantageous in providing improved hueing of fabric, including whitening of white fabric, while avoiding significant build up of bluing dyes on the fabric. | 12-31-2009 |
20110107527 | CLEANING METHOD - Method of cleaning a white load in a laundry machine, preferably a professional laundry machine, the method comprises subjecting the load to at least two washing steps and wherein the method comprises the steps of delivering bleach and subsequently a whitening additive. | 05-12-2011 |
20110283466 | OPTICAL BRIGHTENERS AND COMPOSITIONS COMPRISING THE SAME - Novel compounds based on distyryl-biphenyl are provided. The compounds conform to the general structure | 11-24-2011 |
20110289698 | Novel Whitening Agents For Cellulosic Substrates - This invention relates to novel whitening agents for cellulosic substrates. The whitening agents are comprised of at least two components: at least one chromophore component and at least one polymeric component. Suitable chromophore components generally fluoresce blue, red, violet, or purple color when exposed to ultraviolet light, or they may absorb light to reflect these same shades. The whitening agents are further characterized by having a dispersion component value of the Hansen Solubility Parameter of less than or equal to about 17 MPa | 12-01-2011 |
20130167309 | METHODS OF USING DYES IN ASSOCIATION WITH NUCLEIC ACID STAINING OR DETECTION AND ASSOCIATED TECHNOLOGY - Methods of using dyes and associated technology are provided. A dye, such as a monomeric dye or a dimeric dye, may be used in a nucleic acid gel staining application and/or a nucleic acid detection application. Such a dye and a salt that comprises an anion that is associated with a strong acid and a cation that is associated with a strong base may be used in such an application. A dimeric dye, such as a dimeric dye capable of forming a hairpin-like structure, may be used to stain and/or detect nucleic acids via a release-on-demand mechanism. A dimeric dye having low background fluorescence in the absence of nucleic acids and high fluorescence in the presence of nucleic acids, upon binding therewith, may be used to stain and/or detect nucleic acids. | 07-04-2013 |
20130174358 | Laundry Treatment Compositions - The present invention provides a treatment composition comprising a hydrophobic dye. | 07-11-2013 |
20130283547 | Formulations of Fluorescent Whitening Agents in Dispersed Form - The present invention relates to an aqueous dispersion containing (a) a fluorescent whitening agent, (b) a dispersing agent, (c) a β-1,3-glucan and, optionally, (d) a vat dye and the use of the aqueous dispersions for whitening synthetic fibres, in particular polyester and polyacrylonitrile. | 10-31-2013 |
20140259458 | PROCESSES AND COMPOSITIONS FOR BRIGHTNESS IMPROVEMENT IN PAPER PRODUCTION - Compositions and methods that preserve and enhance the brightness of pulp, and also improve the color of pulp or paper, when applied during different stages of a papermaking process, are disclosed. The compositions and methods maintain or enhance brightness, prevent yellowing, and enhance the performance of paper products. The compositions can include a mixture of reducing agents and can also include optical brighteners, chelants, polycarboxylates, or other additives. The mixture of reducing agents can include a borohydride, such as sodium borohydride, and any other reducing agent, such as a sulfite or bisulfite. | 09-18-2014 |