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| Number | Title | Issue Date |
| 7211608 | Method for pretreatment of filler, modified filler with a hydrophobic polymer and use of the hydrophobic polymer A modified filler used in the making of paper or the like, preparation of the filler and its use. The modified filler comprises a filler known as such, e.g. Calcium carbonate, kaolin, talc, titanium dioxide, sodium silicate and aluminum trihydrate or their mixture, ... | 05/01/2007 |
| 7144475 | Method of making a coated paper The present invention discloses a paper coated with a new coating formulation. The coating formulation comprises a stable pigment slurry prepared without an acid-based dispersant. The coating formulation may be applied to the paper using a variety of methods: In gen... | 12/05/2006 |
| 6991677 | Titanium dioxide-calcium carbonate composite particles Titanium dioxide-calcium carbonate composite particles capable of realizing characteristic properties inherent in titanium dioxide such as a high opacity, a process for producing the same, and a complex composition or complex incorporated with the same are provided.... | 01/31/2006 |
| 6904918 | Low sidestream smoke cigarette with non-combustible treatment material A low sidestream smoke cigarette comprises a conventional tobacco rod and a non-combustible treatment material for the rod. The treatment material has a porosity less than about 200 Coresta units and a sidestream smoke treatment composition. The treatment compositio... | 06/14/2005 |
| 6890652 | Decorative paper base with improved opacity A decorative base paper for decorative coating materials having a pigment component of 10 to about 65% by wt., comprises a modified titanium dioxide containing silicon and aluminum, in mixture with a further white pigment. ... | 05/10/2005 |
| 6810884 | Low sidestream smoke cigarette with non-combustible treatment material A low sidestream smoke cigarette comprises a conventional tobacco rod and a non-combustible treatment material for the rod. The treatment material has a porosity less than about 200 Coresta units and a sidestream smoke treatment composition. The treatment compositio... | 11/02/2004 |
| 6783631 | Decorative paper with a high opacity A decorative base paper for decorative coating materials contains a pigment mixture of titanium dioxide and talc, wherein the talc has a particle size distribution D50 of less than approximately 3.0 μm, and both the decorative base paper and the decorative paper ha... | 08/31/2004 |
| 6770170 | Papermaking pulp including retention system Methods of making paper or paperboard are described. According to one method, fibrous cationic colloidal alumina microparticles and a polymer are introduced to a papermaking pulp to form a treated pulp having improved retention properties. The fibrous cationic collo... | 08/03/2004 |
| 6712933 | Papermaking pulp and flocculant comprising acidic acqueous alumina sol Methods of making paper or paperboard are described. According to one of the methods, an acidic aqueous alumina sol is introduced to a papermaking pulp to form a treated pulp having improved retention properties. The acidic aqueous alumina sol preferably has a pH of... | 03/30/2004 |
| 6702922 | Papers for use in decorative laminates and methods of making the same A process for forming an abrasion resistant, decorative sheet which comprises forming a web of cellulosic fibers on a papermaking machine and applying a coating suspension including an abrasion-resistant grit and decorative inclusion particles to the uppe... | 03/09/2004 |
| 6669816 | Process for the manufacture of coated liquid packaging board The process contemplates the use of a sizing dispersion that comprises an aqueous dispersion of rosin material, a synthetic sizing agent and a aluminum compound selected from the group formed by aluminum sulfate and aluminum polymers of formulas or where ... | 12/30/2003 |
| 6623848 | Water-absorbing polymers having interstitial compounds, a process for their production, and their use The invention relates to absorvents for water and aqueous liquids, which are vased on water-swell-able, yet water-insoluble polymers wherein cyclodextrin or cyclodextrin derivatives and zeolites high in silicon have been incorporated ionically, covalently... | 09/23/2003 |
| 6610136 | Pigments for ink jet paper Aggregated mineral pigments (such as kaolin clay pigments) having a high surface area and useful in coating and filling compositions for ink jet printing media are manufactured by dry grinding an unground mineral composition starting material and then opt... | 08/26/2003 |
| 6494991 | Paper products comprising filler materials preflocculated using starch granules and/or polymerized mineral networks Composite products having mineral networks polymerized about cellulosic material and a method for making such products are described. One embodiment of the composite product comprises a paper product having a polymerized mineral network, such as a silica/... | 12/17/2002 |
| 6491789 | Fibril composite electrode for electrochemical capacitors Composite electrodes including carbon nanofibers (fibrils) and an electrochemically active material are provided for use in electrochemical capacitors. The fibril composite electrodes exhibit high conductivity, improved efficiency of active materials, hig... | 12/10/2002 |
| 6436181 | Sizing composition and a method of sizing A sizing composition and a method of sizing a cellulosic fiber material are disclosed. The sizing composition comprises an aqueous dispersion of a rosin material and a polyaluminium compound, and is characterised in that the polyaluminium compound is a po... | 08/20/2002 |
| 6409881 | Metal-crosslinkable oxidized cellulose-containing fibrous materials and products made therefrom The present invention relates to crosslinked cellulose-containing fibrous material, wherein hydroxy groups are oxidized at the C(6) of glucose units of the cellulose into aldehyde and/or carboxy groups crosslinked with a metal-containing crosslinking agen... | 06/25/2002 |
| 6361653 | Method of increasing retention in papermaking using colloidal borosilicates The invention comprises a borosilicate retention aid composition and a method for improving the production of paper by addition of the borosilicate. The borosilicate may be utilized in conjunction with a high molecular weight synthetic flocculent and/or s... | 03/26/2002 |
| 6361652 | Method of increasing drainage in papermaking using colloidal borosilicates The invention comprises a borosilicate retention aid composition and a method for improving the production of paper by addition of the borosilicate. The borosilicate may be utilized in conjunction with a high molecular weight synthetic flocculant and/or s... | 03/26/2002 |
| 6358364 | Method for flocculating a papermaking furnish using colloidal borosilicates The invention comprises a borosilicate retention aid composition and a method for improving the production of paper by addition of the borosilicate. The borosilicate may be utilized in conjunction with a high molecular weight synthetic flocculant and/or s... | 03/19/2002 |
| 6340408 | Method of preparation of a fluffed pulp to be used in absorbent products A method for the preparation of cellulosic pulp capable of being defibrated (fluffed) for the manufacture of an absorbent material intended to be incorporated as a component in absorbent products. A stock of cellulosic fibres in aqueous suspension is pH-a... | 01/22/2002 |
| 6328850 | Layered tissue having improved functional properties A multi-layered paper product. The paper product has individual layers for providing a soft tactile sensation to the user, for providing strength, and for providing bulk. Suitable fibers for increasing bulk may be synthetic fibers, debonded fibers, weakly... | 12/11/2001 |
| 6270627 | Use of colloidal borosilicates in the production of paper The invention comprises a borosilicate retention aid composition and a method for improving the production of paper by addition of the borosilicate. The borosilicate may be utilized in conjunction with a high molecular weight synthetic flocculant and/or s... | 08/07/2001 |
| 6264794 | Process for manufacturing glazed paper The process is used for the production of high-quality glazed paper and includes the three process sections, stock preparation (1), paper formation (2), and glazing (3). According to the invention, the paper fibers used in the performance of the process a... | 07/24/2001 |
| 6224768 | Filter paper for laden liquids The subject-matter of the present invention is a filter paper for laden liquids, with a high adsorption and absorption capacity. This paper, based on cellulose fibers, is filled with organic and/or inorganic pulverulent matter. The powder filling is adapt... | 05/01/2001 |
| 6168686 | Papermaking aid A novel method of improving drainage rate and retention of fines which is effective in unfilled, newsprint-type furnish without a silica/bentonite-type particle is disclosed. The method comprises adding a cationic or amphoteric starch, and a cationic poly... | 01/02/2001 |
| 6159335 | Method for treating pulp to reduce disintegration energy A method of reducing the amount of energy required to disintegrate comminution sheets formed from cellulose fibers without adversely affecting the absorbency, strength, or fluid transport properties of airfelts formed from the comminuted treated fibers. T... | 12/12/2000 |
| 6153054 | Raw release papers with pigment strips based on aluminium hydroxides Raw release paper for coating with a layer of dehesive silicone, in which case a pigment coating containing a binder is formed on the paper, exhibits aluminum hydroxide as the sole pigment or a pigment mixture with aluminum hydroxide as the main component... | 11/28/2000 |
| 6033525 | Modified cationic starch composition for removing particles from aqueous dispersions Modified starches prepared by cooking an amphoteric or cationic starch and certain polyacrylamides have improved performance in paper making if a soluble aluminum compound also is present.... | 03/07/2000 |
| 5976322 | Process for producing paper and paperboard having high mechanical strength Process for producing paper and paperboard, which comprises adding to a cellulose pulp stock a natural starch and an aluminum and/or iron salt. The so obtained cellulose pulp stock is then submitted to dewatering and subsequent calendering according to co... | 11/02/1999 |
| 5958185 | Soft filled tissue paper with biased surface properties Soft, strong, and low dusting tissue paper webs useful in the manufacture of soft, absorbent sanitary products such as bath tissue, facial tissue, and absorbent towels are disclosed. The tissue papers comprise fibers such as wood pulp and a non-cellulosic... | 09/28/1999 |
| 5928470 | Method for filling and coating cellulose fibers Metal oxides or metal hydroxides, such as titanium dioxide, are incorporated into papermaking fibers by absorbing an organometallic compound into the fiber walls while the fibers are dry or slurried with a non-aqueous solvent and thereafter contacting the... | 07/27/1999 |
| 5858174 | Process for the production of paper The invention relates to a process for the production of paper from a suspension of cellulose containing fibers, and optional fillers, comprising adding to the suspension a low molecular weight cationic organic polymer, a high molecular weight cationic or... | 01/12/1999 |
| 5846384 | Process for the production of paper A process for the production of paper from a suspension of cellulose containing fibers, and optional fillers, which comprises adding an aluminum compound and anionic inorganic particles to the suspension, forming and draining the suspension on a wire, whe... | 12/08/1998 |
| 5817427 | Titanium oxide-containing paper, corrugated board, and deodorizing element The invention has for its object to provide a titanium oxide-containing paper possessed of satisfactory deodorizing power and well protected against aging of paper, a corrugated board fabricated from the titanium oxide-containing paper, and a deodorizing ... | 10/06/1998 |
| 5750006 | Process for making paper and cardboard Process for making paper and cardboard, wherein at least one nitrate or basic nitrate of a trivalent metal is used as sizing agent, so that the process wastewater, after a biological denitrification treatment, can be discharged into the environment withou... | 05/12/1998 |
| 5723020 | Fire-retardant saturating kraft paper The invention relates to an improvement in the art of making saturating kraft paper. In particular, the invention relates to a method for enhancing the fire-retardancy of saturating kraft paper containing alumina trihydrate and phenolic resin by including... | 03/03/1998 |
| 5705033 | Paper/paper laminate-opacifying TiO2 particulates Unique titanium dioxide (TiO2) particulates have an especially high physicochemical affinity for cellulosic fibers and, thus, are well suited as opacifying pigments for paper and paper laminates, and include a zeta potential-adjusting amount of... | 01/06/1998 |
| 5700352 | Process for including a fine particulate filler into tissue paper using an anionic polyelectrolyte A process for incorporating a fine particulate filler such as kaolin clay into tissue paper is disclosed. The process results in strong, soft, and low dusting tissue paper webs useful in the manufacture of soft, absorbent sanitary products such as bath ti... | 12/23/1997 |
| 5695609 | Process for producing paper The invention relates to a process for the production of paper by adding to an aqueous fiber suspension, which possibly contains a filler, auxiliary agents for improving retention and/or dewatering, the auxiliary agents being a cationic long-chain polyacr... | 12/09/1997 |
