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9017520 Paper coating or binding formulations and methods of making and using same  
Paper coating or binding formulations are provided that comprise aqueous copolymer emulsions including copolymers derived from one or more copolymerizable surfactants of formula I and one or more...
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...
8999111 Method of increasing paper surface strength by using acrylic acid/acrylamide copolymer in a size press formulation containing starch  
The invention provides methods and compositions for increasing the strengthening effect of a starch coating on paper. The method involves contacting the starch with a synthetic polymer before the...
8980056 Composition and process for increasing the dry strength of a paper product  
A dry strength additive composition generally includes an anionic and/or amphoteric polyacrylamide having a molecular weight of less than 1,000,000 Daltons, wherein the amphoteric polyacrylamide...
8980058 Modified filler composition, pulp and paper using same  
A modified filler composition used in papermaking is provided. The modified filler composition contains microfibrillated cellulose, and filler having negative charge, and a cationic polymer.
RE45383 Method of using aldehyde-functionalized polymers to enhance paper machine dewatering  
A method of enhancing the dewatering of a paper sheet on a paper machine comprising adding to the paper sheet about 0.05 lb/ton to about 15 lb/ton, based on dry fiber, of one or more aldehyde...
8926797 Method for increasing the dry strength of paper, paperboard, and cardboard  
Process for the production of paper, board and cardboard having high dry strength by addition of (a) at least one trivalent cation in the form of a salt,(b) at least one water-soluble cationic...
8920606 Preparation of polyvinylamide cellulose reactive adducts  
The present disclosure is directed to a continuous process for preparing cellulose reactive adducts of polyvinylamide.
8916026 Manufacture of cellulosic pulp sheets  
A pulp making process in which fibrous cellulosic material is pulped to form an aqueous suspension of cellulosic material, the suspension is drained through a screen to form a pulp sheet and that...
8916024 Method and system for producing market pulp and products thereof  
Methods and systems are provided for producing market pulp which include treatment of pulp with diverse ionic compounds before pulp drying. Cationically and anionically charged compounds can be...
8900414 Fiber products  
Fiber products, comprising in their body at least 20% by weight of cellulose fibers, and adequate amounts of an acid and a cationic retention aid for the acid, can be marked by means of a laser beam.
8894817 Wet end chemicals for dry end strength  
The invention provides methods and compositions for increasing the dry strength of paper. The invention utilizes a tailored strength agent whose size and shape is tailored to fit into the junction...
8882964 Furnish pretreatment to improve paper strength aid performance in papermaking  
The invention is directed towards methods, compositions, and apparatus for increasing the strength of paper made out of a furnish having a large proportion of OCC. The method involves the...
8858759 Enhancement of sheet dewatering using soy flour or soy protein  
Methods and compositions for improving dewatering efficiency during a papermaking or pulp drying process are disclosed. The methods can include a step of adding a dewatering agent solution to a...
8852399 Polymer-containing articles of manufacture and methods for making same  
Polymer-containing articles of manufacture that provide one or more superior properties, such as soil adsorption properties, mirror cleaning properties, and/or absorption properties, compared to...
8852400 Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer or copolymer  
The present disclosure provides for a method of preparing and using an emulsion for treating a papermaking process. The emulsion is an oil-in-water emulsion of alkenyl succinic anhydride...
8840760 Method for the chemical treatment of starch for applying in sheets of paper  
The object of the process of the invention is to increase the retention of starch in the sheet of paper in order to reduce operating costs and increase the physical characteristics of the paper....
8834680 Filler composition  
The present invention relates to a filler composition comprising a) a filler, b) a cationic inorganic compound, c) a cationic organic compound, and d) an anionic polysaccharide, wherein the filler...
8834677 Tissue having high improved cross-direction stretch  
The present invention provides tissue products having an MD/CD Tensile Ratio less than about 0.95, yet relatively high geometric tensile strength, such as geometric mean tensile strengths greater...
8790494 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...
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...
8784611 Process for production of paper  
The invention relates to a process for the production of paper or board comprising: adding a retention system to a stream of stock entering a paper machine head box, directing the stream of stock...
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...
8771469 Reactive cationic resins for use as dry and wet strength agents in sulfite ion-containing papermaking systems  
This invention relates to resins useful for drainage in papermaking and the process of making paper using the resins. In particular the invention relates to glyoxalated copolymers of acrylamide...
8771467 Carrier tape base paper making method and base paper made thereby  
A carrier-tape base paper making method and the base paper made thereby fall into the technical field of papermaking. According to performance requirements, the base paper is made through pulp...
8753480 Aldehyde-functionalized polymers with enhanced stability  
The current invention includes a composition having stability additives of selected inorganic salts and/or organic incorporated into an aldehyde-functionalized polymer product. The stability...
8753478 Creping adhesives comprising blends of high and low molecular weight resins  
A composition comprising one or more high molecular weight resins and one or more low molecular weight resins in a ratio of about 1:99 to about 99:1 based on polymer actives, wherein said high...
8753479 Production of paper, card and board  
The invention relates to a process for the production of paper, card and board, including the steps of draining a filler-containing paper stock, having a certain fibrous concentration and...
8747617 Controllable filler prefloculation using a dual polymer system  
A method of preparing a stable dispersion of flocculated filler particles for use in papermaking processes comprises sequential addition of a first flocculating agent to an aqueous dispersion of...
RE44936 Aldehyde-functionalized polymers  
A composition for enhancing the dewatering of a paper sheet on a paper machine and a method for using the composition is disclosed. The composition comprising one or more aldehyde-functionalized...
8696869 Surface application of polymers and polymer mixtures to improve paper strength  
Stable, coating compositions useful for enhancing the dry strength of paper are disclosed. The compositions comprise an aqueous solution of nearly neutral polymer, cationic polymer and starch....
8673117 Degrading agent compositions for temporary wet strength systems in tissue products  
A degrading agent composition for use in manufacturing a tissue product generally includes a degrading agent, a degradation inhibiting carrier, and a non-ionic surfactant. The non-ionic surfactant...
8647472 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 by preflocculating...
8636875 Enhanced dry strength and drainage performance by combining glyoxalated acrylamide-containing polymers with cationic aqueous dispersion polymers  
A process is disclosed for the production of paper with enhanced dry strength comprising adding to the wet end of a paper machine, (a) a glyoxalated acrylamide-containing polymer and (b) a...
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...
8603296 Method of making a fabric-creped absorbent cellulosic sheet with improved dispensing characteristics  
A method of making a fabric-creped absorbent cellulosic sheet with improved dispensing characteristics. The method includes compactively dewatering a papermaking furnish to form a nascent web,...
8597467 Water-soluble post branched cationic acrylamide polymers and use thereof  
A cationic copolymer is obtained by the Hofmann rearrangement (also referred to as the Hofmann degradation reaction) in aqueous solution in the presence of an alkaline-earth and/or alkali...
8518216 Copolymer blend compositions for use to increase paper filler content  
Methods for making a heterogeneous polymer blend comprising one or more anionic polymers, one or more cationic polymers, and one or more non-ionic polymers, which method comprises (a) adding to a...
8512519 Sulfopolyesters for paper strength and process  
Sulfopolyester thermoplastic resins provide advantages in papermaking processes and in paper products including paperboard. Improvements in wet strength and dry strength of paper products are...
8480853 Papermaking and products made thereby with ionic crosslinked polymeric microparticle  
Enhancement of papermaking drainage and retention properties of aqueous cellulosic suspensions used for production of paper or paper board with a retention/drainage additive system including ionic...
8460414 Polishing slurry and polishing material using same  
Disclosed is a polishing slurry which enables to suppress damages to an under layer while securing an adequate polishing rate. The polishing slurry contains a resin (A) having an amide group and...
8454798 Paper making processes and system using enzyme and cationic coagulant combination  
A method is described for making paper or paper board by applying a composition containing enzyme and cationic coagulant to papermaking pulp prior to paper forming to preferably improve drainage,...
8435382 High solids glyoxalated polyacrylamide  
Storage-stable glyoxalated polyacrylamide polymers and high solids aqueous compositions formulated with them are described. These glyoxalated polyacrylamide compositions can be used as additives...
8425724 Anionic functional promoter and charge control agent with improved wet to dry tensile strength ratio  
The invention relates to a composition comprising (a) a functional promoter comprising a water-soluble anionic polymer having a molecular weight of at least about 50,000 daltons and a molecular...
8414739 Filled paper and method of manufacturing the same  
There is provided a filled paper containing a coated filler obtained by coating a filler with a acrylamide copolymer (composite PAM) comprising (A) an anionic polysaccharide and (B) a cationic...
8388802 Paper substrates useful in wallboard tape applications  
This invention relates to paper products and/or substrates suitable for being made and/or converted into wallboard tape; which also may be known as joint tape and/or drywall tape, having a pH of...
8349135 Papermaking additive and filled paper  
To effectively impart sizing performance to paper, while reducing the amounts of an internal sizing agent and aluminum sulfate, a papermaking additive comprises a mixture of an amphoteric...
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...
8308902 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...
8308903 Process for the production of paper  
The present invention relates to a process for producing paper which comprises: (i) providing an aqueous suspension comprising cellulosic fibers,(ii) adding to the suspension after all points of...