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7641766 |
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...
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7625989 |
Processes 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 having a homo-crosslinking monomeric unit...
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7608665 |
Temporary wet strength resin for paper applications
A thermosetting resin comprising a reacted A) first partially crosslinked glyoxalated polymer comprising a reacted (i) first polyacrylamide backbone and (ii) a first glyoxal component; and B) a...
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7541409 |
Hydrophobically modified polymers containing vinylamine or ethylenimine units, method for the production thereof, and their use as retention agents
Hydrophobically modified polymers containing vinylamine or ethylenimine units and obtainable by reacting
(a) polymers containing vinylamine or ethylenimine units with (b) compounds of the formula
...
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7488403 |
Blends of glyoxalated polyacrylamides and paper strengthening agents
Compositions comprising a blend of two or more paper strengthening agents have improved stability compared with previously known paper strengthening agents. One component is a polymeric paper...
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7479530 |
Polymer having charged units
A polymer comprising one or more macromonomer units selected from the group consisting of polysiloxane, perfluoroalkylpolyether (PFPE), fluorinated poly(meth)acrylate, polyalkyl (meth)acrylate,...
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7473740 |
Method for partial or total oxidation of one or several thiocarbonylthio ends of a polymer obtained by radical polymerisation controlled by reversible addition-fragmentation
The present invention relates to a method for partial or total oxidation of one or several thiocarbonylthio ends of a polymer, obtained by radical polymerisation controlled by reversible...
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7439309 |
Silver halide photographic light-sensitive material, photographic emulsion, and mercapto group-containing polymer compound used for them
Disclosed is a silver halide photographic light-sensitive material, which has at least one polymer compound having a nitrogen-containing aromatic ring having a mercapto group represented by the...
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7435477 |
Particulate water absorbent containing water absorbent resin as a main component
A particulate water absorbent contains a water absorbent resin as a main component, the water absorbent resin being a crosslinked polymer of a water-soluble unsaturated monomer. The water absorbent...
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7358324 |
Manufacturing method of co-polyester resins for clear mono-layer containers with improved gas barrier characteristics
A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be...
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7317053 |
Compositions for imparting desired properties to materials
The present invention relates to aqueous compositions comprising component (A) which comprises at least one water-soluble component comprising at least one functional group that undergoes a...
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7259218 |
Processes 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...
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7241830 |
Organic solvent-free film-forming compositions, multi-layer composite coatings, and related methods
Provided is a film-forming composition substantially free of organic solvent which includes an aqueous dispersion of polymeric microparticles prepared by emulsion polymerization of a monomeric...
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7230048 |
Process for continuous production of reactive polymers with in-line post-modification and products thereof
A continuous polymerization process for producing reactive polymers comprises continuously charging into a first reaction zone at least one functional monomer and polymerizing the monomers to...
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7220802 |
Self-crosslinking alkyd dispersion
A coating composition is produced by forming an aqueous dispersion of a crosslinking agent and a resin that comprises the reaction product of an alkyd polymer, an optional surfalkyd, diacetone...
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7217769 |
Medical device with plasma cross-linked hydrophilic coating
A medical device with a hydrophilic and lubricious coating, wherein the coating includes a hydrophilic polymeric unit layer deposited on the medical device and cross-linked with a plasma deposited...
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7189279 |
Cross-linked polymeric nanoparticles and metal nanoparticles derived therefrom
There are provided internally cross-linked, stable polymeric materials, in the form of substantially spherical particles, each particle consisting essentially of a single macromolecule. They have...
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7160970 |
Process for manufacturing polymers
The present invention is directed to methods for preparing multi-functional emulsion polymers.
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7138462 |
Functionalized polymers for binding to solutes in aqueous solutions
A functionalized polymer for binding a dissolved molecule in an aqueous solution is presented. The polymer has a backbone polymer to which one or more functional groups are covalently linked. The...
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7119148 |
Glyoxylated polyacrylamide composition strengthening agent
A method for making a storage-stable glyoxalated polyacrylamide composition suitable for use as a strengthening agent for paper in which the glyoxal is added to the base polyacrylamide polymer in...
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7045559 |
Electrically conductive adhesive hydrogels with solubilizer
A composition providing electrically conductive adhesive hydrogels suitable for use as skin contact adhesives and, particularly, suitable for use as an electrical interface for disposable medical...
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7037978 |
Quasi-interpenetrating networks used as separation media
The invention relates to a quasi-interpenetrating network of polymer chains, the chains comprising linear polyacrylamide (LPA) chains in the form of a main frame having a weight average molecular...
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7034087 |
Aldehyde scavengers for preparing temporary wet strength resins with longer shelf life
Aldehyde scavengers which are adducts of choline or a choline salt and an optionally substituted acrylamide monomer can be used to stabilize glyoxalated polyacrylamide compositions and to provide...
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7033646 |
High resistance polyaniline blend for use in high efficiency pixellated polymer electroluminescent devices
Compositions are provided comprising polyaniline (PANI) with poly(2-acrylamido-2-methyl-1-propanesulfonic acid) (PAAMPSA) as the counterion (PANI/PAAMPSA) and an amount of poly(styrenesulfonic...
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7018957 |
Method of using high molecular weight demulsifiers
Homopolymers and copolymers of an esterified reaction product of an epoxidized mono-hydroxyl alcohol and a free radical polymerizable monomer are highly effective demulsifying agents. The molecular...
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6897263 |
Betaine esters
The invention relates to compounds of the general formula (I)
in which
R a is an ethylenically unsaturated radical having 1 to 5 carbon atoms and containing at least one carbonyl...
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6846881 |
Preparation of defect-free polyacrylamide electrophoresis gels in plastic cassettes
Irregularities in the pore structures of polyacrylamide gels that are formed in cassettes against plastic walls are reduced or eliminated by the inclusion of an oxygen scavenger in the gel-forming...
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6838525 |
Process for manufacture of proton conductive polymer gel useful as backfill for sacrificial and impressed current anode systems
The process of the present invention provides for the manufacture of a novel proton conductive polymer gel useful as backfill for sacrificial and impressed current anode systems. The process of the...
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6809158 |
Water-absorbing agent and process for producing the same
The present invention provides: a process for producing a water-absorbing agent at low temperature in a short time, wherein the water-absorbing agent has excellent balance between the absorption...
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6803426 |
Functional fluoropolymers and thermosetting compositions containing same
A composition that includes a fluorine-containing copolymer containing at least 30 mol % of residues having the following alternating structural unit: —[DM—AM]— where DM represents a residue...
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6787611 |
Purification means
Polymers derived from 4-acyloxystyrene are purified by fractionalization plus heating and cooling of the polymers in alcoholic solvents.
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6765069 |
Plasma cross-linked hydrophilic coating
A method for making a hydrophilic and lubricious coating, the coating so made and a medical device including such coating, wherein the coating includes a hydrophilic polymeric unit layer...
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6753388 |
Structurally-modified polymer flocculants
This invention is directed to structurally-modified water-soluble polymers prepared by initiating polymerization of an aqueous solution of monomers under free radical polymerization conditions to...
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6734255 |
Graft polymer, process for the production thereof and solution-type water-and oil-repellent compositions containing the polymer
A graft polymer, which is obtained by grafting a branch polymer having a fluoroalkyl group onto a trunk polymer through a linkage having a —C(═O)NH— group, gives a solvent-based water- and...
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6703432 |
Moisture adsorbing and desorbing material
An object of the present invention is to provide a water adsorbing/desorbing organic polymer material having excellent water adsorbing/desorbing performance and which is inexpensive and readily...
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RE38444 |
Absorbing agent, process of manufacturing same, and absorbent product containing same
An absorbing agent has a diffusing absorbency under pressure of not less than 25 g/g when 60 minutes elapsed after absorption is started, and a water-soluble content is above 0 percent by weight...
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6653410 |
Method for treating resin composition
Disclosed is a treating method of a resin composition comprising: kneading a resin composition comprising a thermoplastic resin, 0 to 0.7 part by weight, based on 1 part by weight of the...
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6653381 |
Process for preparing a coating composition and product thereof
Novel compounds derived from traditional semi- drying and non-drying oils featuring internally plasticizing and crosslinkable properties are disclosed and claimed. Preferred embodiments include...
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6645562 |
Method of preparing a curable coating and curing thereof
A method of preparing a curable coating and a method of curing the curable coating are disclosed. The curable composition from which the curable coating is prepared may be applied to the surface of...
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6642311 |
Mar-resistant oligomeric-based coatings
A curable coating composition comprising functionalized oligomer components i and ii which cross-link at cure to form a three-dimensional network having chains of substantially uniform,...
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6639048 |
Method for reducing the quantity of residual monomers in aqueous polymerisate dispersions
A process for reducing the residual monomer amount in aqueous polymer dispersions comprises aftertreating with a redox initiator system.
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6608137 |
Microdispersions of hydroxamated polymers
Stable, gel-free, water-in-oil microdispersions comprising a continuous phase of an oil and an emulsifier and a discontinuous phase of an aqueous solution of a hydroxamated vinyl polymer are...
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6586534 |
Agglomerated particles of finely divided polymers which are water-soluble or capable of swelling in water and contain ammonium carboxylate groups
Agglomerated polymer particles of finely divided, water-soluble or water-swellable polymers containing ammonium carboxylate groups are prepared by azeotropic removal of water from water-in-oil...
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6559223 |
Hydrogels and methods for their production
Forming graft copolymers in water using labeling of water soluble polymers with photoinitiators. Water soluble polymers can form environmentally responsive hydrophobically stimulated cages. The...
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6455631 |
Aqueous polyurethane dispersions containing modified hydrazide groups and their use in one-component thermoset compositions
The present invention relates to aqueous polyurethane dispersions wherein the polyurethanes contain terminal hydrazide groups and correspond to the formula wherein the terminal, modified...
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6433098 |
Process of preparing curable compositions and compositions therefrom
The invention relates to a curable composition and a process of preparing the curable composition. The process comprises (a) forming an oligomer from oligomerization of a mixture of a monomer A...
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6429265 |
Moisture-absorbing and desorbing polymer and compositions derived therefrom
Disclosed herein is a moisture-absorbing and desorbing polymer, characterized in that, the said polymer is an organic high-molecular substance containing 1.0-8.0 meq/g of carboxyl group of a...
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6403177 |
Use of tetraphenylborate for extraction of ammonium ions and amines from water
A method of removing ammonium ions or amines from contaminated water includes treating the water with sodium tetraphenylborate under acidic conditions. Advantageously, the tetraphenylborate is...
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6376617 |
Bioactive derivatives of camptothecin
Water soluble polymeric conjugates of camptothecin consist essentially of N-(2-hydroxypropyl)methacryloylamide units linked via a spacer group to a residue of a camptothecin such as irinotecan or...
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6369163 |
Pyrrolidinone-containing compatibilizers
There is described the use of monomeric and polymeric N-pyrrolidinone-containing compounds as compatibilizers for plastic compositions, a process for improving the compatibility of plastic...
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