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8182651 |
Sheet material comprising at least one watermark having a colored shade
The present invention relates to a sheet material comprising at least one first layer defining an outer surface of the sheet material and having at least one first color, at least one second layer...
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8172982 |
Conductive webs and process for making same
Conductive nonwoven webs are disclosed. The nonwoven webs contain pulp fibers combined with conductive fibers. In one embodiment, the webs are made in a wetlaid tissue or paper making process. The...
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8157961 |
Paper substrate having enhanced print density
The present invention relates to a sizing composition that, when applied to paper substrate, creates a substrate, preferably suitable for inkjet printing, having increased print density, print...
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8088250 |
Method of increasing filler content in papermaking
The invention provides a method of producing paper with a higher proportion of mineral filler particles than is otherwise be possible without the expected loss in paper strength. The method allows...
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8062415 |
Paper coating compositions
The invention relates to a composition for controlling the bleed fastness of organic coloring pigments in paper coatings comprising a) 1 to 30% by weight, based on the total weight of the...
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8034129 |
Aqueous solutions of direct dyes
The invention relates to an aqueous dye solution comprising a) 5 to 30% by weight of an anionic or cationic direct dye, b) 0.01 to 5% by weight of the compound of formula (1), in which M represents...
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8025924 |
Cast-coated papers and processes for preparing thereof
The present invention aims to provide a cast-coated paper having good sheet gloss, printability and productivity and a process for preparing it. Herein disclosed is a cast-coated paper obtained by...
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8021517 |
Use of fluorescent nanoparticles to make on-line measurements of cross-web and machine-direction component and property variations in paper and continuous web products
Fluorescent nanoparticles such as quantum dots are incorporated into paper and other web products such as plastics to achieve cross-direction and machine direction on-line detection of selected...
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7972477 |
Surface treatment of substrate or paper/paperboard products using optical brightening agent
The present invention relates to a process for applying optical brightening agent (OBA) to a sheet of paper or paperboard substrate. The process comprises the step of spraying an aqueous...
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7922059 |
Hand-held drive-in power tool
A hand-held drive-in power tool for driving-in fastening elements includes a drive-in ram (13) displaceably arranged in a guide (12), a drive (30) for driving the drive-in ram (13) and having at...
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7914646 |
Compositions and processes for paper production
Oxidative compositions and processes that preserve and enhance the brightness and improve color of pulp or paper when applied during different stages of the papermaking process are identified. The...
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7905955 |
Aqueous pigment preparations
The invention relates to aqueous pigment preparations containing (A) at least one organic and/or inorganic pigment, (B) a dispersant of formula (I) or (II), or mixtures of the dispersants of...
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7858154 |
Paper coating slip based on pigment-polymer hybrids
A paper coating slip comprising at least one inorganic pigment and, based on 100 parts by weight of the inorganic pigments, less than 40 parts by weight of organic polymers, and less than 25 parts...
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7820009 |
Cellulose composites comprising hydrophobic particles and their use in paper products
Polymer composite films were prepared by solvent casting suspensions of quantum dots (QDs) in cellulose triacetate (CTA) solution. The films were robust and possessed the optical properties...
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7799125 |
Yellow iron oxide pigments
The present invention relates to improved yellow iron oxide pigments and to their use.
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7731820 |
Compositions of fluorescent whitening agents
The invention relates to a composition comprising a) at least one water-soluble fluorescent whitening agent, b) a polymer formed from an ethylenically unsaturated monomer or monomer blend,...
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7682438 |
Paper substrate having enhanced print density
The present invention relates to a sizing composition that, when applied to paper substrate, creates a substrate, preferably suitable for inkjet printing, having increased print density, print...
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7641765 |
Method for production of coated paper with extreme whiteness
Paper coated with a coating slip containing at least one optical brightener is produced by a process in which base paper or precoated paper is treated, before application of the coating slip...
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7632380 |
Article formed from at least a fibrous material jet comprising at least a null thickness zone and method for making same
The present invention relates to an article formed from at least one ply of fibrous material comprising at least one region of zero thickness, characterized in that said region is covered on at...
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7622022 |
Surface treatment of substrate or paper/paperboard products using optical brightening agent
The present invention relates to a process for applying optical brightening agent (OBA) to a sheet of paper or paperboard substrate. The process comprises the step of spraying an aqueous...
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7608168 |
Alkanolammonium-containing triazinyl flavonate whiteners
A process for whitening paper in a size press includes contacting a cellulose sheet with a size press liquor that contains a surface size and a particular whitener containing sulfonate groups and...
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7591926 |
Process for production on nonuniformly intensely colored paper and paper obtainable by such process
The present invention relates to a process for the production of nonuniformly intensely colored paper with improved printing or lettering features, and paper produced by this process.
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7578903 |
Colored sanitary tissue paper and production method thereof
The invention is directed to obtain a colored sanitary tissue paper giving a bright feeling in spite of modest color. The invention provides a colored sanitary tissue paper with a color difference...
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7455726 |
Photostabilised effect pigments
The present invention relates to photostabilised effect pigments in which one or more calcined and vanadium-containing oxide layers, alone or mixed with sulfates, borates or phosphates, have been...
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7452416 |
Cationic titanium dioxide pigments
A composition containing cationic pigment particles includes titanium dioxide particles to which are bound a first water-soluble cationic polymer and cationic polymer latex particles. In some...
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7425234 |
Iron oxide pigments
The invention relates to iron oxide pigments comprising an average solid body diameter of 0.1 to 500 μm, and to the production and use thereof.
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7413631 |
Opacifying composition for paper or paperboard, processes using same and paper or paperboard produced therefrom
An agent for enhancing brightness and opaqueness in paperboard comprises a reaction product selected from the groups consisting of: A) an amide reaction product of a C12-C22 fatty acid, condensed...
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7387671 |
Iron oxide pigments
Iron Oxide pigment containing greater than 99% iron oxide, having a chloride content of less than 0.1% and a mean solid diameter of 10 to 500 μm and methods of making the same are disclosed.
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7384504 |
Light-stable and process-stable lignocellulosic materials and their production
A novel method for the production of light-stable and process-stable lignocellulosic materials, in particular, the production of mechanical wood pulps with much improved light and process stability...
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7381300 |
Process for manufacturing paper and paperboard products
The present invention relates to a process for applying optical brightening agent (OBA) to a sheet of paper or paperboard substrate. The process comprises applying the composition comprising a...
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7318860 |
Green pigment preparations
A green pigment preparation that is characterized by a C.I. Pigment Yellow 214 and at least one copper phthalocyanine pigment C.I. Pigment Blue 15:3 and/or C.I. Pigment Blue 15:1 content, the ratio...
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7294191 |
Pure-coloured, readily dispersible iron oxide red pigments with high grinding stability
The present invention relates to pure-coloured, readily dispersible iron oxide red pigments having high grinding stability, to a process for preparing them, and to their use.
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7270727 |
Paper sized with a sizing agent and a selected sizing promoter
Sized paper containing an amphoteric promoter resin that is a polymerization reaction product of a quaternary diallylammonium monomer, optionally a diallylammonium monomer, and an unsaturated...
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7258815 |
Use of brighteners for the preparation of coating slips
The use of optical brighteners of the formula (II): in which Y denotes a radical of the formula and the other substituents have the meaning stated in the description, for brightening aqueous...
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7198731 |
Optical brighteners
The present invention relates to the use of compounds of formula (I) wherein all substituents are as defined in the claims as optical brighteners as well as to new mixtures of optical brighteners.
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7192471 |
Aryl-ureido benzoxazinone compounds
Fluorescent pigment compounds comprising aryl-ureido benzoxazinone compounds of the general formula (I): wherein R1 is an substituted or unsubstituted aryl group, R2 and R3 are each independently...
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7175739 |
Method for incorporating feature substances into a paper web
A method and apparatus for incorporating feature substances into a still moist but already sufficiently consolidated paper web provides for directing a feature substance suspension onto the surface...
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7150839 |
Fluorescent agents
Composition comprising a fluorescent material comprising the mixture of one or more metal salts selected from the group consisting of metal oxides and metal hydroxides; one or more carbohydrate(s)...
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7060201 |
Optical brighteners their composition their production and their use
Optical brighteners (PAB) of formula wherein each n independently signifies 1 or 2,the group SO3M shown with the floating bond is linked to the position 4 or 5,each M independently signifies an...
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6991706 |
Clothlike pattern densified web
An improved paper and the process of making an improved paper web is disclosed. The improved paper is characterized as having two regions; one is a network (or open grid) region and the other is a...
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6989056 |
IR reflective pigment compositions
The present invention relates to IR reflective black pigment compositions comprising a halogenated copper phthalocyanine such as C.I. Pigment Green 7 and a perylenetetracarboxylic acid diimide such...
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6969444 |
Paper coating slip containing n-vinylformamide
Paper coating slips whose additives comprise addition polymers or copolymers containing N-vinylformamide in (co)polymerized form, and their use.
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6936078 |
Fluorescent brightener pigment compositions
The invention relates to a fluorescent brightener pigment and the use of said pigment, which is derived from formaldehyde, for improving the whiteness of paper or textiles, or for incorporation in...
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6911116 |
Cationically modified white pigments, their production and use
Cationically modified white pigments (W) in particulate form, essentially consisting of a particulate inorganic white pigment (M) of a particle size in the range of 0,1 to 40 μm and an applied ...
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6890454 |
Optical brighteners compositions their production and their use
The invention relates to an optical brightener mixture (W) comprising optical brighteners (A) of formula (Ia), and (B) of formula (Ib) and optionally (C) of formula (Ic) as defined herein, their...
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6872282 |
Surface finishing of paper or board
Surface finishing of paper or board by applying an aqueous solution (LW) of a surface-finishing active ingredient (W) to a hydrophilic paper or board sheet (B), in which (W) consists of (W1)...
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6860906 |
Process for preparing solutions of anionic organic compounds
Described is a process for preparing concentrated solutions or suspensions of anionic organic compounds which comprises a) acidifying an aqueous solution or suspension of an anionic organic...
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6858255 |
Thickeners for paper dye compositions
The present invention is a thickened dye composition and method of applying same to a paper web that produces colored or patterned paper having good bleed resistance. The dye composition of the...
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6852198 |
Resin composition, water-resistant/moisture-proof paper, containing the same, and process for producing the same
Disclosed is a resin composition for water-resistant and moisture-proof paper comprising 40 to 75 parts by weight of a polyolefin (A), 25 to 60 parts by weight of a tackifier (B) and 0 to 20 parts...
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6808559 |
Kaolin clay pigments suited to rotogravure printing applications and method for preparing the same
The present invention provides kaolin clay pigments having at least the following characteristics: Brightness (GE): at least about 89.0; Shape Factor: at least about 30; Brookfield viscosity,...
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