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8999112 Process for manufacturing paper and board having improved retention and drainage properties  
A method for manufacturing a sheet of paper and/or board having improved retention and drainage properties is provided, according to which, before the formation of the sheet and/or board, at least...
8974637 Process for the production of paper and board  
The present invention relates to a process for the production of paper and board which comprises: (a) introducing one or more fillers, one or more anionic polysaccharides and one or more cationic...
8932433 Retention and drainage in the manufacture of paper  
A method of improving retention and drainage in a papermaking process is disclosed. The addition of an associative polymer, a poly(vinylamine) and optionally a siliceous material to the...
8888956 Treated inorganic pigments having improved bulk flow and their use in paper slurries  
The disclosure provides a paper slurry comprising a treated inorganic pigment, wherein the treated inorganic pigment comprises an inorganic pigment comprising a pigment surface area of about 30 to...
8888957 Process for the production of paper  
The present invention relates to a process for producing paper which comprises: providing an aqueous suspension comprising cellulosic fibers, adding to the suspension, after all points of high...
8871058 Addition of endothermic fire retardants to provide near neutral pH pulp fiber webs  
A process in which an at least partially delignified pulp fiber web having a Kappa number of less than about 130 is treated with an aqueous endothermic fire retardant solution having a pH of about...
8840761 Method for contaminant removal in paper production  
The present invention relates to a process for controlling deposits in a paper making process, more particularly to a process comprising the use of talc for controlling deposits in a paper making...
8790493 Process for the production of paper  
The present invention relates to a process for producing paper which comprises: (vii) providing an aqueous suspension comprising cellulosic fibers,(viii) adding to the suspension after all points...
8778140 Preflocculation of fillers used in papermaking  
A method of preparing a stable dispersion of flocculated filler particles for use in papermaking processes comprises use of microparticle prior to, simultaneous to, and/or after addition of a...
8663427 Addition of endothermic fire retardants to provide near neutral pH pulp fiber webs  
A process in which an at least partially delignified pulp fiber web having a Kappa number of less than about 130 is treated with an aqueous endothermic fire retardant solution having a pH of about...
8613832 Process for the production of paper  
The present invention relates to a drainage and retention aid composition which comprises: (d) a first anionic component which is a water-soluble anionic organic polymer;(e) a second anionic...
8568565 Silica-based sols  
The present invention relates to a silica-based sol having a concentration of soluble silica of less than about 1000 mg SiO2/l, conductivity of at least about 2.0 mS/cm and S-value below about...
RE44519 Starch compositions and methods for use in papermaking  
Starch compositions, including cationic crosslinked starches, and methods of using those starches in papermaking are disclosed. In particular, a cationized crosslinked starch and use of the starch...
8460512 Paper with improved stiffness and bulk and method for making same  
The invention provides a three layered reprographic paper having improved strength, stiffness and curl resistance properties, and a method for making same. The paper has a central core layer made...
8398821 Fibrous structures comprising a low surface energy additive  
Fibrous structures comprising an additive, more particularly finished fibrous structures comprising a low surface energy solid additive, and/or sanitary tissue products comprising such finished...
8354003 Reinforced porous fibre product  
The present invention relates to a porous fiber product, which contains chemical pulp or wood fibers, between which structural filler particles are attached, as well as to a method of...
8343311 Method for producing paper and cardboard  
A method for producing paper, cardboard or similar materials, comprising, separately or in a mixture, adding to a fibrous suspension: at least one main retention agent comprising a cationic...
8273216 Process for the production of paper  
The present invention relates to a process for producing paper which comprises: providing an aqueous suspension comprising cellulosic fibers, adding to the suspension, after all points of high...
8197642 Inorganic board and method for manufacturing the same  
An object of the present invention is to provide an inorganic board lighter in weight and excellent in strength and rigidity, and a method of producing the inorganic board. An inorganic board...
8133352 Method and apparatus for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials  
A method of manufacturing high purity fiber cement grades of cellulose fibers is described. Additional washing steps, coupled with an elevated temperature, are used in the process to extensively...
8118976 Process for the production of a cellulosic product  
The present invention concerns a process for the production of a cellulosic product comprising providing a fiber-containing suspension, wherein at least about 60% by weight of the fibers are...
8097127 Siliceous composition and its use in papermaking  
An aqueous polysilicate composition comprising a polysilicate microgel based component in association with particles derived from colloidal polysilicate. The invention also concerns a process for...
8092587 Stable aqueous dispersions of precipitated silica  
The invention relates to stabilized dispersions of precipitated silicon dioxide, to a process for production thereof and to the use thereof, especially for production of paper coatings for glossy...
8038846 Composition and method for paper processing  
According to the present invention, a process is provided for making paper or board comprising forming a cellulosic suspension that may or may not comprise a filler, flocculating the cellulosic...
8025768 Latex-treated filler slurries for use in papermaking  
A continuous fiIter treatment process in which anionic polymer dispersions (latex) are added to common papermaking filler slurries ai ambient temperature and then mixed with water of temperature...
8016979 Chemical solution-containing thin paper  
A chemical solution-containing thin paper wherein a chemical solution is contained in an amount of 5 to 40% by weight with respect to base paper, powders are included in an amount of 0.1 to 30% by...
8003707 Metal-rich siliceous compositions and methods of producing same  
A modified sol-gel method to create metal-rich siliceous material, such as colloidal silica or aluminosilicate particles is disclosed. Initially, the metal salt of choice is added to a silicic...
7981250 Method for paper processing  
According to the present invention, a process is provided for making paper or board comprising forming a cellulosic suspension that may or may not comprise a filler, flocculating the cellulosic...
7976679 Fibrous structures comprising a low surface energy additive  
Fibrous structures comprising an additive, more particularly finished fibrous structures comprising a low surface energy solid additive, and/or sanitary tissue products comprising such finished...
7955473 Process for the production of paper  
The present invention relates to a process for producing paper which comprises: (vii) providing an aqueous suspension comprising cellulosic fibres,(viii) adding to the suspension after all points...
7918965 Method for the production of paper, cardboard and card  
Process for the production of paper, board and cardboard by draining a paper stock with sheet formation in the presence of a retention aid system comprising (i) at least one polymer comprising...
7892398 Sizing of paper  
The invention relates to an aqueous dispersion of cellulose-reactive sizing agent containing an acid anhydride, an anionic polyelectrolyte and a nitrogen-containing organic compound which is an...
7815771 Process for the manufacture of paper and board  
A process for the manufacture of paper, board or similar products, comprises first of all, adding, to the paper pulp fibrous suspension, at least one main retention aid composed of a cationic...
7815774 Elements made by paper-making technique for the production of molded articles and production method thereof  
An element made by papermaking for use in the production of a casting cast which comprises an organic fiber, an inorganic fiber, and a binder. The contents of the organic fiber, the inorganic...
7776179 Fire-retardant, method for manufacturing fire-retardant cellulose-based  
The present invention imparts fire-retardancy upon cellulosic products utilizing a cost-effective, non-toxic, and reliable process. Unlike previous methods which impart superficial fire-retardant...
7691234 Aqueous composition  
The present invention relates to an aqueous composition comprising anionic organic polymeric particles and colloidal anionic silica-based particles. The anionic organic polymeric particles are...
7670460 Production of paper using slica-based-sols  
A process for the production of paper which includes the steps of providing an aqueous suspension containing cellulosic fibers, and optional fillers; adding to the suspension: (a) at least one...
7662306 Polysilicate microgels  
The present invention generally relates to polysilicate microgels. More specifically, the invention relates to a process for preparing aqueous polysilicate microgels which comprises mixing an...
7608644 Aqueous silica-containing composition  
The present invention refers to a process for the production of paper from a suspension containing cellulosic fibers, and optionally fillers, comprising adding to the suspension at least one...
7597781 Inorganic fiber paper  
This invention provides an inorganic fiber paper that consists essentially of inorganic materials and has a basis weight of less than 100 g/m2 and has been mainly produced by a wet sheet making...
7541014 Pyrogenically produced silica  
Pyrogenically produced silica powder with a BET surface of 30 to 90 m2/g, a dibutyl phthalate number of at least 80 and a tamped density of no more than 110 g/l. It is produced in that at least...
7534409 Pyrogenic silicon dioxide powder and dispersion thereof  
Pyrogenically produced silicon dioxide powder with a specific surface area of between 5 and 600 m2/g and a carbon content of less than 500 ppm, which displays a specific dibutyl phthalate...
7503999 Member for producing castings  
A part for casting obtained by converting base paper for paper tubing into a tube and containing an organic fiber, an inorganic fiber, and a binder. The part is preferably obtained by winding the...
7504001 Method for producing paper and agent for improving yield  
The objective of the present invention is to provide a papermaking method that can enhance the retention in the papermaking steps. This invention provides a method including making paper by adding...
7494565 Use of starch with synthetic metal silicates for improving a papermaking process  
The invention discloses a paper or paperboard produced from a slurry comprising cellulose fibers and an effective amount of SMS. In addition, a method for increasing retention and dewatering...
7488402 Process for production of paper  
The invention related to process for the production of paper from an aqueous suspension containing cellulosic fibers, and optional fillers, which comprises adding to the suspension (i) a cationic...
7473333 Process for making coated paper or paperboard  
The present invention refers to a method of producing a coated paper or paperboard, but excluding photographic papers, comprising the steps of: (a) forming a free flowing curtain comprising at...
7470346 Aqueous compositions and their use in the manufacture of paper and paperboard  
A process of preparing an aqueous composition comprising a polysilicate, wherein the composition is a substantially uniform liquid when measured at 25° C., comprising the steps of, i) providing an...
7459059 Use of synthetic metal silicates for increasing retention and drainage during a papermaking process  
The invention discloses a paper or paperboard produced from a slurry comprising cellulose fibers and an effective amount of SMS. In addition, a method for increasing retention and dewatering...
7449086 Use of synthetic metal silicates for decreasing the deposition of contaminants during a papermaking process  
A method for decreasing the amount of contaminants in a papermaking a process is disclosed. The method involves adding an effective amount of SMS to said papermaking process.