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Class 162/168.2 - Nitrogen containing compound


Subclass of Class 162 - Paper making and fiber liberation
Definition: Processes in which the unsaturated compound contains at
No. of patents: 386
Last issue date: 02/08/2011


1                    
NumberTitleIssue Date
RE42110Fibrous sheet binders
A method and composition are disclosed for providing a two-part polymer binder additive for a fibrous sheet for improving both its strength and durability. The two-part polymer binder may be added to augment organic binders to increase board strength and durability ...
02/08/2011
7794565Method of making low slough tissue products
The present invention is a soft tissue sheet having reduced lint and slough. The tissue sheet comprises papermaking fibers and a synthetic co-copolymer. The synthetic co-polymer has the general structure: wherein R1
09/14/2010
7442280Process for the production of paper
A process for the production of paper from a suspension containing cellulosic fibers, and optional fillers, which comprises adding to the suspension a drainage and retention aid comprising a cationic organic polymer, forming and dewatering the suspension on a wire, ...
10/28/2008
7432309Paper softening compositions containing low levels of high molecular weight polymers and soft tissue paper products comprising said compositions
Disclosed is a composition suitable for atomizing without excessive aerosolization in the form of an oil-in-water emulsion comprising: a) a continuous aqueous phase, and b) a discontinuous oil phase wherein the rheology of the aqueous phase is modified by the additi...
10/07/2008
7407561Use of water-soluble crosslinked cationic polymers for controlling deposition of pitch and stickies in papermaking
The present invention relates to a method for controlling pitch and stickies deposit in a pulp and papermaking process using crosslinked cationic polymers made by controlled addition of a water soluble radical initiator at reaction temperature with agitation for cha...
08/05/2008
7377993Methods for reducing fluorescence in pulp and paper
Methods for reducing, and in some cases eliminating, fluorescence in pulp and paper, as well as the resulting articles, are provided. The methods destroy fluorescent activity of agents (e.g., whitening agents) which may be present in the pulp during processing. The ...
05/27/2008
7329705Salt-sensitive binder compositions with N-alkyl acrylamide and fibrous articles incorporating same
A salt sensitive polymeric binder for use in fibrous webs, where the binder contains a copolymer of carboxylic acid monomer units, acrylate monomer units, and N-alkyl acrylamide units. The copolymer is neutralized at least to the point where it is water soluble. The...
02/12/2008
7323083Adhesion promoters for glass-containing systems
Resinous coatings can be applied to glass, exhibiting improved adhesion thereto, by including in the coating composition a sulfonic acid derived compound such as 2-acrylamido-2-methylpropanesulfonic acid or a salt thereof. Alternatively, the glass can be first coate...
01/29/2008
7318881Process for sizing paper
A process for sizing paper comprising adding to an aqueous suspension containing cellulosic fibers, and optional fillers, a sizing dispersion comprising a polymer having an aromatic group, and a sizing promoter comprising a polymer having an aromatic group, wherein ...
01/15/2008
7306701Production of paper, board and cardboard
Paper, board and cardboard are produced by shearing the paper stock, adding a microparticle system comprising a cationic polymer and a finely divided inorganic component to the paper stock after the last shearing stage before the head box, draining the paper stock w...
12/11/2007
7306700Process for the production of paper
The present invention relates to a process for the production of paper from a suspension containing cellulosic fibres, and optional fillers, comprising adding to the suspension drainage and retention aids comprising a cationic organic polymer and anionic micropartic...
12/11/2007
7303653Sizing agent and recording sheet having the same
A sizing agent includes a vinyl copolymer having a repeating unit (i) having a quaternary amino group and a repeating unit (ii) derived from acrylic monomers having a hydrophilic polyoxyethylene, the ratio by mass, (i):(ii), of the repeating unit (i) to the repeatin...
12/04/2007
7300545Water-soluble polymer dispersion, process for producing the same and method of use therefor
A water-soluble polymer dispersion, process for producing the same and a method of use therefor. In particular, the water-soluble polymer dispersion is one comprising water-soluble polymer fine particles of 100 μm or less diameter having at least one ionic property...
11/27/2007
7282221Antiviral product, use and formulation thereof
An antiviral product is comprised of at least three dosages forms, each of which has a different release profile, with the Cmax for the antiviral product being reached in less than about twelve hours. In one embodiment, there is an immediate release dosag...
10/16/2007
7270727Paper sized with a sizing agent and a selected sizing promoter
Sized paper containing an amphoteric promoter resin that is a polymerization reaction product of a quaternary diallylammonium monomer, optionally a diallylammonium monomer, and an unsaturated organic acid is described. The method of sizing paper with such amphoteric...
09/18/2007
7259218Processes for making temporary wet strength additives
Processes for making temporary wet strength additives, more particularly, processes for oxidizing a homo-crosslinking monomeric unit present in a polymer comprising the homo-crosslinking monomeric unit and a cationic monomeric unit to produce a temporary wet strengt...
08/21/2007
7258764Soft and strong webs from highly refined cellulosic fibres
Soft and strong cellulose-based fibrous web, comprises a) cellulosic fibres having a freeness value of more than 26° SR measured according to DIN-ISO 5267/1 (March 1999), b) a water-soluble cationic polymer, ...
08/21/2007
7258763Temporary wet strength additives
Temporary wet strength additives, more particularly, temporary wet strength additives comprising a polymer backbone, wherein the polymer backbone comprises a co-crosslinking monomeric unit, preferably a reversible co-crosslinking monomeric unit, especially in the pr...
08/21/2007
7250448Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions
A papermaking method and a composition which utilize, as a drainage aid, a water-soluble anionic copolymer prepared via a water-in-oil polymerization technique that, absent a cross-linking agent, is characterized by a Huggins' constant (k′) determined in 0.01M NaC...
07/31/2007
7244510Vapor screen composition
The invention relates to a water-dispersible composition for making a water repellent paper with a low permeability for moisture. The composition comprises components (A) to (H), in the following amounts by dry weight (wt): (A) 5 to 89 wt % of polyvinyl butyral (PVB...
07/17/2007
7232503Method in internal sizing of liquid packaging board and internal size
An internal size and a method for sizing board, such as liquid packaging board, with a hydrophobising internal size containing oxetanon derivative or 2-oxetanon. The main part of the hydrocarbon chains R′ and R″ of the oxetanon derivative or 2-oxetanon are deriv...
06/19/2007
7220339Process for preparing a polymer dispersion
The present invention relates to a process for preparing an aqueous polymer dispersion comprising: preparing a dispersant co-polymer of a monomer mixture (M) by polymerising the monomer mixture (M) in a reaction medium which is substantially free from organic solven...
05/22/2007
7217339Fibrous structures exhibiting improved wet strength properties
Fibrous structures and/or sanitary tissue products comprising such fibrous structures, more particularly to fibrous structures and/or sanitary tissue products that exhibit improved wet strength properties, especially temporary wet strength properties, as compared to...
05/15/2007
7189308Treated paper product
A treated paper product is provided according to the invention. The treated paper product comprises a result of applying a water based emulsion to a paper base sheet to provide an impregnated paper product, and drying the impregnated paper product to a water content...
03/13/2007
7189776Aqueous 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 obtainable by polymerising one or more ethylenically unsaturated monomers...
03/13/2007
7147751Wiping products having a low coefficient of friction in the wet state and process for producing same
Base sheets are disclosed having a reduced coefficient of friction in the wet state. In accordance with the present invention, the base sheets can be treated with a high molecular weight polyethylene oxide, a derivatized polyethylene oxide or an acrylate copolymer c...
12/12/2006
7141519Ion triggerable, cationic polymers, a method of making same and items using same
The present invention is directed to ion triggerable, water-dispersible cationic polymers. The present invention is also directed to a method of making ion triggerable, water-dispersible cationic polymers and their applicability as binder compositions. The present i...
11/28/2006
7141181Composition comprising amphoteric polymeric flocculants
A composition is provided which comprises amphoteric polymers comprising, as constituent monomer units, a cationic monomer unit, an anionic monomer unit, and optionally a nonionic monomer unit and having a 0.5% salted viscosity of 10 to 120 mPa·s, wherein said amph...
11/28/2006
7122204Antibiotic composition with inhibitor
Antibiotic composition having four dosage forms with different release profiles providing for initial release of a beta lactam antibiotic followed by release of a beta-lactamase inhibitor, followed by release of the antibiotic followed by release of the inhibitor. I...
10/17/2006
7090745Method for increasing the strength of a cellulosic product
A composition includes at least one hydrophilic polymer containing primary (—NH2) and/or secondary (—NHR) amine groups and at least one saccharide containing a reducible function. A method of increasing the strength of paper includes the step of conta...
08/15/2006
7078088Disposable cutting sheet
A disposable cutting sheet for Processing food items thereon includes a cut-resistant layer including a thermoplastic material ply and an absorbent ply, wherein the first layer has a surface area and wherein the thermoplastic material of the first layer includes a p...
07/18/2006
7063880Sheet material and manufacturing method and apparatus therefor
A method of manufacturing a single use processing substrate includes the step of extruding a first layer having ridges and troughs between the ridges. The method further includes the steps of placing a second layer into the troughs while the first layer is pliant an...
06/20/2006
7063879Disposable cutting sheet
A disposable cutting sheet for processing food items thereon includes a first cut-resistant layer having a first surface area and including a first absorbent ply and a thermoplastic material ply. The cutting sheet further includes a second layer having a second surf...
06/20/2006
7056569Disposable cutting sheet
A cutting sheet for cutting and preparation of food items thereon comprises a first cut-resistant layer having a width and including a first absorbent ply and a first thermoplastic material ply. The thermoplastic material ply of the first layer includes a plurality ...
06/06/2006
7041197Wet strength and softness enhancement of paper products
A method for making paper to enhance its wet strength includes adding separately to a cellulosic paper pulp furnish the following additives to form a treated pulp: a cationic wet strength resin whose cationic sites bond to anionic sites of cellulose fibers contained...
05/09/2006
7041338Process for providing a coated paper, a resin coated paper, a polymeric film, and a flexible or inflexible woven fabric substrate by utilizing a coating composition containing a nitrogenous dye-fixing compound
The present invention provides a process for making a coated substrate such as paper, by utilizing a coating composition containing a nitrogenous dye-fixing compound. The coating compositions utilized in the process contains from 5–95 wt. percent of a film-forming...
05/09/2006
7026034Processing substrate and method of manufacturing same
A disposable cutting sheet for cutting and preparation of food items thereon includes a first section having a plurality of apertures therethrough and a cut resistant surface, a second liquid impermeable section disposed adjacent the first section, and a fold line d...
04/11/2006
7022395Disposable cutting sheet
A disposable cutting sheet for cutting and preparation of food items thereon includes a first cut-resistant layer having a first surface area and an absorbent ply and a thermoplastic material ply, wherein the first layer includes a plurality of non-circular aperture...
04/04/2006
7012058Chemical softening compositions for paper products
A chemical softening composition includes a amide-substituted quaternary imidazolinium salt, a nonionic surfactant, and a polyhydroxy compound for use in treating cellulosic materials including papers, textiles and fabrics. The chemical softening composition can be ...
03/14/2006
6994865Ion triggerable, cationic polymers, a method of making same and items using same
The present invention is directed to ion triggerable, water-dispersible cationic polymers. The present invention is also directed to a method of making ion triggerable, water-dispersible cationic polymers and their applicability as binder compositions. The present i...
02/07/2006
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