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Class 162/181.4 - Metal oxide or hydroxide


Subclass of Class 162 - Paper making and fiber liberation
Definition: Subject matter comprising a binary compound of oxygen and
No. of patents: 119
Last issue date: 03/15/2011


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NumberTitleIssue Date
7905987Paper sludge processing for animal bedding
A method for making an animal bedding fiber product, the method includes providing fiber from paper sludge, formulating the fiber in a mixture including a first desiccant agent including ash, so as to form a friable aggregate. Further, a fiber product including at l...
03/15/2011
7416639Ink-jet recording method using dispersion of alumina hydrate
Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 Å and a half breadth of pore radius distribution of 20 to 150 Å. ...
08/26/2008
7377997Fibrous structure comprising a fiber flexibilizing agent system
Fibrous structures comprising a fiber flexibilizing agent system, methods for making such fibrous structures and sanitary tissue products comprising such fibrous structures are provided. ...
05/27/2008
7364641Manufacture of paper and paper board
Process for making paper or paper board comprising, forming an aqueous cellulosic suspension, adding a retention system to the cellulosic suspension, draining the suspension on a screen to form a sheet and drying the sheet, wherein the retention system comprises a s...
04/29/2008
7195695Cross-linked cellulose fibers and method of making same
The invention provides a method for preparing cross-linked cellulosic fibers. A sheet of cellulosic fibers treated with a caustic solution under non-mercerizing conditions is cross-linked with a solution containing polymeric polycarboxylic acid cross-linking agents....
03/27/2007
7179347Method for fiber stock preparation
A method for the preparation of fiber stock for the production of paper or cardboard, including the steps of: a) Supplying fibers in the form of a suspension that has a predetermined solids content, b) Loading of t...
02/20/2007
7175741Reducing odor in absorbent products
Hydrogen sulfide is removed or reduced in absorbent products by the use of a particulate material attached to pulp fiber by a retention aid. The particulate material can remove or reduce the hydrogen sulfide in the environment surrounding the fiber. Suitable materia...
02/13/2007
7169258Process and a fluffer device for treatment of a fiber stock suspension
A device treats a fiber stock suspension with at least one additive, the fiber stock suspension being used for production of at least one of paper and cardboard. The fiber stock suspension includes a suspension medium and a fiber material. The fiber material has fib...
01/30/2007
7160419Coated paper for printing
A coated paper for printing comprising a base paper and a coating layer containing a pigment and an adhesive, wherein the coating layer has a volume distribution of 65% or more of pigment particles ranging from 0.4 μm to 4.2 μm in size, and wherein the coated pape...
01/09/2007
7150839Fluorescent 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) selected from the group consisting of sugar and starch; and one or mo...
12/19/2006
7070677Method and apparatus for treating pulp with filler
The present invention relates to a method of and apparatus for treating pulp with filler. The method and apparatus according to the invention are especially well suitable for treating pulp with filler, the mixing of which to the pulp requires simultaneous treatment ...
07/04/2006
7060160Process for producing a photocatalytic pulp composition and molded photocatalytic pulp
There is provided a photocatalytic pulp composition having the antibacterial, bad smell degrading and harmful substance oxidatively degrading effects in various wide uses such as a filter material, packaging material, building material. A photocatalytic pulp composi...
06/13/2006
6991677Titanium 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
6991705Process for stabilizing the PH of a pulp suspension and for producing paper from the stabilized pulp
The invention relates to a process for stabilizing the pH of a pulp suspension with buffering agents and to a process for producing paper from a stabilized pulp suspension. The alkalinity of the pulp suspension is increased by a combination of an alkali metal hydrox...
01/31/2006
6890652Decorative 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
6887351Process for regulating the porosity and printing properties of paper by use of colloidal precipitated calcium carbonate, and paper containing such colloidal precipitated calcium carbonate
The invention relates to a process for regulating the porosity and printing properties of paper, in particular uncoated wood-containing paper such as SC-paper, wherein a sufficient quantity of colloidal PCC having a BET surface area of 10-100 m2/g is used...
05/03/2005
6881298Process for loading fibers with calcium carbonate in a plurality of reactors
For a process and an apparatus for loading fibers contained in a pulp suspension with calcium carbonate, a calcium oxide and/or a medium containing calcium hydroxide is fed to the pulp suspension, and the so treated pulp suspension is further charged in several reac...
04/19/2005
6855404Inorganic sheet laminate
A laminate of inorganic sheet and polyester resin having an overall thickness of 5 to 25 mils and having an elongation at break in both the cross direction and machine direction of at least 25%. ...
02/15/2005
6811653Multi-purpose paper, manufacturing method thereof and the application thereof
A multi-purpose paper, a manufacturing method thereof, and an application thereof are provided. The method of manufacturing the multi-purpose paper comprises steps of (a) providing a papermaking material and obtaining a clean paper pulp by treating the papermaking m...
11/02/2004
6783631Decorative 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
6770170Papermaking 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
6740202Speaker diaphragm and method of manufacturing same
A speaker diaphragm is formed from a material combining a fiber-type material and a ceramic-type-coating agent including metal alkoxide, metal hydroxide, and a colloidal or fine-particulate inorganic substance. The combining process for the ceramic-type-coating agen...
05/25/2004
6722373Cigarette sidestream smoke treatment material
A cigarette sidestream smoke treatment material made from a sheet of non-combustible active components provides a porous structure capable of treating sidestream smoke. The treatment material, as used in combination with a cigarette, provides a low sidestream smoke ...
04/20/2004
6716495Ink-jet recording apparatus and recording medium
An ink-jet recording apparatus is adapted to eject ink from an ink-jet head onto a recording medium held in position by means of an electrostatic adsorption system. The surface resistance of the recording medium is not greater than 1×1011 Ω/□. ...
04/06/2004
6716314Method for making improved abrasion resistant overlays
A method for forming an abrasion resistant sheet which comprises forming a web of cellulosic fibers on a papermaking machine and applying a slurry including an encapsulated abrasion-resistant grit to the upper surface of the web on the papermaking machine. ...
04/06/2004
6712933Papermaking 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
6706340Recording medium, process for production thereof, and image-forming method employing the recording medium
A recording medium having a non-sized single-layer fibrous structure which is composed mainly of a fibrous material and contains no filler and employing a face of the single-layer fibrous structure as an ink-receiving face, wherein alumina hydrate of a boehmite stru...
03/16/2004
6702922Papers 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
6673207Laminated photocatalytic pulp paper and process for making thereof
An object of the present invention is to provide a laminated photocatalytic pulp paper having a variety of uses such as a filter material, a packaging material, a construction material and the like, which has the antibacterial property, the bad smell degr...
01/06/2004
6610136Pigments 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
6602385Method of improving the brightness of calcium carbonate filled paper
A method of improving the brightness of calcium carbonate filled paper. The filled paper is dried and then bleached with an aqueous solution of a bleaching agent. The process may be used on all grades of paper that contain filler and is particularly usefu...
08/05/2003
6579410Pigment materials and their preparation and use
A new composite material which is useful as a pigment in paper making or paper coating is produced by precipitating a white insoluble pigment compound, eg calcium carbonate, in an aqueous suspension containing a mixture of fine particulate material eg tit...
06/17/2003
6551457Process for the production of paper
A process for the production of paper from an aqueous suspension containing cellulosic fibers, and optional fillers, which comprises draining the suspension to obtain a paper web and subjecting the obtained paper web to impulse pressing by passage through...
04/22/2003
6540870Process for substantially retarding dissolution of calcium carbonate in a papermaking system
The invention relates to papermaking processes wherein calcium carbonate is included in a pulp suspension. The dissolution of the calcium carbonate in the papermaking system is prevented or substantially retarded by the introduction of carbon dioxide to s...
04/01/2003
6537425Process for loading fibers with calcium carbonate
During the chemical process of loading with calcium carbonate fibers contained in a pulp suspension, a medium containing calcium oxide or calcium hydroxide is added to the pulp suspension. This treated pulp suspension is charged in at least one reactor wi...
03/25/2003
6533897Thermally and structurally stable noncombustible paper
The present invention is drawn to a thermally and structurally stable, noncombustible paper, comprising a dominant amount of aluminosilicate refractory fibers and from 0.2% to 4% by weight of a polymeric binder. The refractory fibers can be substantially ...
03/18/2003
6517674Process for manufacturing wear resistant paper
Abrasion resistant papers such as overlays or decor sheets useful in decorative laminates, and in particular, to abrasion resistant papers incorporating spacer or separator particles to minimize the amount of damage to highly polished caul plates caused b...
02/11/2003
6491789Fibril 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
6436232Procedure for adding a filler into a pulp based on cellulose fibers
The invention relates to a procedure for adding a filler into a pulp based on cellulose fibers, in which the pulp is fluidized and the filler is added into it. Preferably the pulp is stirred in the fluidized state while the filler is being added. The pulp...
08/20/2002
6419792Photocatalytic pulp composition
There is provided a photocatalytic pulp composition characterized in that 40 to 95 wt % of a pulp and/or a paper having the water content of 3 wt % or less, the average fiber diameter of 5 to 300 μm and the average fiber length of 0.7 to 70 mm is blended...
07/16/2002
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