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7547375 |
Method of making tough, flexible mats for collapsable ceiling tile
Making mats using glass fibers having a diameter of about 13+/−3 microns, bound with a binder formed from a homopolymer or a copolymer of polyacrylic acid and a polyol produces fibrous nonwoven...
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7491293 |
White top paperboard
A multi-layered paperboard having a high brightness and exceptional uniformity. The white topped paperboard has a base layer(s) made from wood pulp and a top fibrous layer made of unbleached wood...
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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...
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7462259 |
Method of making coated mat online
New coated nonwoven fibrous mats having properties particularly suited for a facer on gypsum wallboard and other substrates and in laminates of various types, and the method of making the coated...
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7431798 |
Security paper
Security paper adapted to resist fraudulent alteration of toner-printed information thereon and to make such alteration or attempts at alteration evident has a maximum Scott-Bond strength of 150 J...
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7425246 |
Process for making multilayer coated paper or paperboard
The present invention refers in one embodiment to a method of manufacturing multilayer coated papers and paperboards, but excluding photographic papers and pressure sensitive copying papers, that...
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7387707 |
Support for image-recording material, process for manufacturing thereof, and image-recording material
An object is to provide a support for image-recording material excellent in dimension stability and smoothness, a manufacturing process of the support, and an image-recording material which employs...
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7377997 |
Fibrous 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.
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7335279 |
Low density paperboard articles
The invention provides a low density paperboard material and associated method for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material...
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7285183 |
Making foam coated mats on-line
A new foam coated nonwoven fibrous mat having properties particularly suited for a facer on gypsum wallboard, laminates made therefrom and the method of making the mat is disclosed. The mat...
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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...
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7172678 |
Process of making composite sheet material
A composite sheet material, useful as a component of roofing shingles, and a process of making same, which includes a glass fiber web bound with a thermosetting resin which includes a fatty acid...
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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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6929714 |
Tissue products having reduced slough
A method for forming a tissue product that is soft and produces relatively low levels of slough is provided. The method includes providing a liquid furnish of cellulosic fibers and forming a...
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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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6890405 |
Method of controlling tackiness in papermaking
To reduce the problem of tackiness caused by contaminants in recycled paper, effective amounts of talc and a terpene such as D-limonene are added to paper stock in conjunction with chemical fixing...
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6887347 |
Cellulose fibers comprising radiation activatable resin formalities
The present invention relates to cellulosic fibrous material comprising a radiation activatable resin, structures comprising such fibrous material, and absorbent articles especially disposable...
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6887350 |
Tissue products having enhanced strength
A tissue product containing a multi-layered paper web that has at least one outer layer formed from a blend of pulp fibers and synthetic fibers is provided. A polymer latex is also applied to the...
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6875308 |
Method of making foam coated mat online
A new foam coated nonwoven fibrous mat having properties particularly suited for a facer on gypsum wallboard, laminates made therefrom and the method of making the mat is disclosed. The mat...
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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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6802938 |
Low density paper and paperboard articles
The invention provides a low density paperboard material and associated method for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material...
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6800176 |
Preservation of paper and textile materials
A method is disclosed for strengthening a paper or textile article. The method involves (a) applying to the article a solution of an amorphous fluoropolymer in a perfluoroalkane solvent; and (b)...
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6749720 |
Wet-formed mat applications for cement backerboards
A wet-formed permeable mat composed of wet use chopped strands (WUCS), chopped roving, and potentially unidirectional roving coupled with an alkaline resistant binder are combined to create an...
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6716314 |
Method 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...
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6702923 |
Wet strength agent and method for production thereof
A method for preparing a wet strength agent comprising a first step of reacting a nitrogen-containing polymer with a hydrophobic compound to form hydrophobic side-chain substituents on the polymer,...
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6669815 |
Sheet surface treating agent and ink-jet printing paper
There is provided a treating agent for a sheet surface comprising a graft copolymer composed of a back bone polymer and branch polymer, either of which is a polymer having vinyl alcohol units, and...
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6655101 |
Drywall finishing trim having fiber covering fabricated with strengthening compound
A drywall trim device incorporating a metal core covered on the exterior by a cover strip fabricated from fibers mixed with a strengthening compound to encapsulate the fibers. The method of the...
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6610174 |
Patterned application of polymeric reactive compounds to fibrous webs
Methods for making high wet performance webs. A polymeric anionic reactive compound is applied heterogenously to a cellulosic fibrous web followed by curing of the compound to crosslink the...
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6497787 |
Process of manufacturing a wet-laid veil
A method of making a microsphere-filled wet-laid veil involves forming a non-woven fibrous veil, contacting the veil with an impregnation binder composition having a binder and microspheres, and...
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6485608 |
Manufacture of plain bearings
The bearing comprises a metal backing, a sintered layer on said metal backing, and a lining layer infiltrated into pores of the sintered layer and standing proud thereof to provide a bearing...
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6475340 |
Solid phase extraction membrane
A wet-laid, porous solid phase extraction sheet material that contains both active particles and binder and that possesses excellent wet strength is described. The binder is present in a relatively...
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6468393 |
Patterned paper
Speckle-patterned paper is produced on the paper machine without the use of printing techniques by first preparing speckle-forming material and then introducing this into a contrasting color...
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6416628 |
Method of producing dimensionally stable paper and paperboard products
A method of producing dimensionally stable paper and/or paperboard products by treating a hygroreactive cellulosic fiber matrix with a hydrophobic sizing agent solution; and drying the treated...
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6387213 |
Text and cover printing paper and process for making the same
A printing paper is provided having the appearance of uncoated paper and improved printability properties approaching those of coated papers. Also provided are a surface treatment formulation...
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6365001 |
Wet-laid nonwoven mat and a process for making same
A method for making a nonwoven reinforcing may for vinyl floor coverings is described. A base mat is formed from a mixture of glass fibers and polymeric binder fibers and/or powder, follows by...
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6322665 |
Reactive compounds to fibrous webs
Methods for making high wet performance webs. A polymeric anionic reactive compound is applied heterogenously to a cellulosic fibrous web followed by curing of the compound to crosslink the...
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6290815 |
Paper-based sheet and abrasion-resistant laminates
The invention relates to a paper sheet containing grit particles giving it, in use, a high abrasion resistance. It is characterized in that it contains grit particles coated in a non-abrasive...
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6258211 |
Method for producing high-temperature resistant technical paper and paper produced according to said method
Producing high temperature-resistant technical paper, wherein fibers are mixed with a wet paper material pulp and then technical paper is produced from the pulp by the removal of water from the...
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6231659 |
Sizing agents and starting materials for their preparation
The sizing agents are mixtures of alkenyl succinic anhydrides in which the alkenyl groups have in the range of about 6 to about 40 carbon atoms, and in which at least 97 wt % of the alkenyl groups...
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6210475 |
Use of hydroxyalkylated starches for improved emulsification of sizing agents
The present invention is directed to paper sizing emulsions, a method of making sizing emulsions, a method of sizing paper products, such as paper and board, and paper or board made using the...
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6165320 |
Method of sizing
This invention relates to a method of sizing paper comprising use of a sizing composition comprising: (a) at least one thermoplastic resin selected from the group consisting of thermoplastic rosins...
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6149768 |
Recreped absorbent paper product and method for making
A method of making a bonded and creped type absorbent paper web that has improved bulk to peel strength characteristics includes steps of (a) printing a low density pattern of a bonding material...
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6033524 |
Selective retention of filling components and improved control of sheet properties by enhancing additive pretreatment
A method for increasing retention and drainage of filling components in a paper making furnish in a paper making process comprising the steps of: making a slurry of filling components, treating the...
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5939562 |
Alkenyl substituted cyclic carboxyl acid anhydrides and their application in hydrophobic paper sizing
The invention relates to alkene-substituted cyclic carboxylic acid anhydrides which are formed from the reaction of a cyclic carboxylic acid anhydride, including succinic anhydride, and an olefin...
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5906712 |
Production of fiber reinforced composite
The present invention provides a process for producing a fiber reinforced composite which contains the reinforcing fibers uniformly dispersed therein and therefore has uniformity of strength. The...
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5853634 |
Method of forming light weight construction sheet goods from recyclable material
A building material and a method for its manufacture is provided wherein cellulosic, polymeric and acid wastes are treated and combined to produce a building panel which demonstrates low weight,...
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5824191 |
Process for making a paper based product employing a polymeric latex binder
The present invention provides a process for making a paper based product which comprises a paper sheet, an aqueous latex binder and a release agent comprised of an emulsion of lecithin and a fatty...
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5800676 |
Method for manufacturing a mineral fiber panel
A method for manufacturing a mineral fiber panel which comprises uniformly dispersing in water 60 to 90% by weight of a mineral fiber, 2 to 19% by weight of an organic binder, 1 to 20% by weight of...
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5785813 |
Method of treating a papermaking furnish for making soft tissue
An efficient and effective method for treating tissue making stock to make soft tissues involves adding a softening agent to a first papermaking furnish of short fibers, such as eucalyptus fibers....
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5759347 |
Paper coating
Binders for papercoating slips which permit uniform printability contain a polymer prepared by the seed procedure and comprising from 1 to 49% by weight of a polymer seed A) having a glass...
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