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Class 525/54.3 - Previously formed solid polymer containing chemically combined carbohydrate admixed with a chemical treating or ethylenic agent, SPFI, SICP, or solid polymer


Subclass of Class 525 - Synthetic resins or natural rubbers -- part of the class 520 series
Definition: Subject matter wherein a solid polymer having chemically
No. of patents: 220
Last issue date: 04/03/2012


1            
NumberTitleIssue Date
8148466Amphoteric grafted barrier materials
Thermoplastic polymer compositions, films, containers, laminates and fibers can comprise a modified polymer. The said modified polymer having a moiety comprising a half-ester reaction product of cyclodextrin and metal and/or organic group covalently bonded to some p...
04/03/2012
8053521Chemical mechanical polishing pad
The present invention relates to polishing pads, including at least 60 to 99 parts by weight of a polymer matrix (A) having 1,2-polybutadiene; and 1 to 40 parts by weight of component (B) having a copolymer having a polyether block, where the total amount of the pol...
11/08/2011
8030399Crosslinked organic-inorganic hybrid membranes and their use in gas separation
The present invention is for crosslinked membranes and in particular for crosslinked poly(ethylene oxide)-cellulose acetate-silsesquioxane (PEO-CA-Si) organic-inorganic hybrid membranes and their use in gas separation. These crosslinked PEO-CA-Si membranes were prep...
10/04/2011
7893154Renewable binder for nonwoven materials
A formaldehyde-free curable aqueous composition comprising an adduct of (a) carbohydrate polymer and (b) a multi-functional crosslinking agent such as a polybasic acid may be used as a binder for non-woven products such as fiberglass insulation. ...
02/22/2011
7872073Dispersion spinning core-shell fluoropolymers
A process is disclosed for dispersion spinning non-melt-processible fluoropolymer fiber in which a mixture of an aqueous dispersion of non-melt-processible fluoropolymer particles and an aqueous solution of a matrix polymer is formed. The non-melt-processible fluoro...
01/18/2011
7790803Crosslinked organic-inorganic hybrid membranes and their use in gas separation
The present invention is for crosslinked membranes and in particular for crosslinked poly(ethylene oxide)-cellulose acetate-silsesquioxane (PEO-CA-Si) organic-inorganic hybrid membranes and their use in gas separation. These crosslinked PEO-CA-Si membranes were prep...
09/07/2010
7728070Method of producing fine particles
A method of producing cross-linked polymerisation hardened droplets in a continuous aqueous medium in a microchannel device is provided. At least two aqueous streams are brought together before entering a hydrophobic phase and thus forming droplets. One aqueous phas...
06/01/2010
7425595Superabsorbent polymer products including a beneficial additive and methods of making and application
A superabsorbent polymer combined with a beneficial additive and method for administering the same in agricultural applications is disclosed. A method for delivering a beneficial additive in agricultural applications includes obtaining a beneficial additive combined...
09/16/2008
7423070Surface-modified base matrices
The present invention is a surface-modified base matrix comprised of a porous polymeric base matrix onto which branched hydrophilic polyhydroxy-functional polymers have been covalently attached, wherein the polyhydroxy-functional polymers are hyperbranched polymers ...
09/09/2008
7423090Methods of making and using a superabsorbent polymer product including a bioactive, growth-promoting additive
A method of and a product formed by entrapping a bioactive, growth-promoting additive in a starch matrix to form a starch-based, superabsorbent polymer product for use in agricultural applications involves (1) graft polymerizing a monomer and a starch to form a star...
09/09/2008
7390497Poly(ester amide) filler blends for modulation of coating properties
Provided herein is a PEA polymer blend and coatings or implantable devices formed therefrom. The PEA polymer blend is formed of a PEA polymer and a material capable of hydrogen bonding with the PEA. The PEA polymer blend can form a coating on an implantable device, ...
06/24/2008
7368169Hydrazide compounds with angiogenic activity
Compounds exhibiting angiogenic properties incorporating the structure of Formula I: R3—NH—NH—C(═O)—R2—P—R1   (I) wherein P is a water-soluble, biodegradable polymer, R1 is hydrogen, l...
05/06/2008
7365190Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbent
New crosslinked polysaccharides useful as absorbents or superabsorbents alone or in a mixture are obtained by reacting polysaccharides (preferably containing carboxylates groups) with at least one crosslinker selected in the group constituted by activated polyethyle...
04/29/2008
7329412Antimicrobial medical devices containing chlorhexidine free base and salt
The present disclosure invention relates to medical devices treated with a solution comprising one or more solvents and a combination of chlorhexidine free base and a water-soluble chlorhexidine salt in a weight/weight ratio of between about 1:1 to about 1:5, prefer...
02/12/2008
7326324Purification and use of gellan in electrophoresis gels
Gellan can be purified from nucleic acid contamination by combining the contaminated gellan with DNase under conditions that allow the DNase to degrade the nucleic acid contaminant. The purified gellan is useful in gel electrophoresis. A buffer which allows cystamin...
02/05/2008
7316275Well treating compositions containing water superabsorbent material and method of using the same
A well treating composition containing a polysaccharide-based water-superabsorbent material has particularly applicability as a thermal insulating, fracturing or acid stimulation fluid. The water-superabsorbent material is capable of absorbing, at a minimum, its own...
01/08/2008
7303821Material and process for precisely controlled polymeric coatings
This invention provides a chemically coated surface for the electrophoretic separation application. The surface comprises of block copolymers prepared from addition monomers selected from a group consisting of acrylates and its derivatives, metharylates and its deri...
12/04/2007
7294583Methods for the use of alkoxysilanol precursors for vapor deposition of SiOfilms
A method for depositing conformal dielectric films uses alkoxy silanol or silanediol precursors and oxidizing and/or hydrolyzing agents. The method produces a material with liquid-like flow properties capable of achieving improved high aspect ratio gap fill more eff...
11/13/2007
7279535Method for the continuous production of polymers made of vinyl compounds by substance and/or solvent polymerization
Production of vinyl polymers by the polymerization of vinyl monomers in a planetary gear extruder. ...
10/09/2007
7253232Thermoplastic compositions with enhanced melt flow and compatibility
The instant invention relates to a composition of a thermoplastic polymer and a triblock-copolymer or grafted comb copolymer, with enhanced melt flow during processing. Further aspects of the invention are the triblock-copolymers or grafted comb polymers itself, a m...
08/07/2007
7241836Method of crosslinking a mixture of carboxylated polymers using a triazine crosslinking activator
A method for crosslinking a mixture of first and second carboxylated polymers using a triazine crosslinking activator. ...
07/10/2007
7230049Method of crosslinking a carboxylated polymer using a triazine crosslinking activator
A method for crosslinking a carboxylated polymer using a triazine crosslinking activator. ...
06/12/2007
7226972Process for cross-linking hyaluronic acid to polymers
The present invention provides a process for the production of hyaluronic acid (HA) derivatives cross-linked with another polymer, in particular multiple e.g. double cross-linked hyaluronic acid derivatives. The invention also provides novel cross-linked derivatives...
06/05/2007
7217769Medical 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 double bond monomer. The hydrophilic polymeric unit can include ethyl...
05/15/2007
7199200Method for the production of homo-, co- and block copolymers
A process is described for producing homo-, co- and block copolymers by controlled radical polymerization in aqueous solution, wherein a monomer component (A) consisting of at least one radically polymerizable monomer, an initiator component (B) consisting of at lea...
04/03/2007
7186457Cellulosic composite component
A component such as a siding panel comprised of a PVC/wood flour composite. Another embodiment is a component such as a siding panel that is made from a PVC/CPE/wood flour composite. The cellulosic composite may be extruded through a die and then bent into the shape...
03/06/2007
7182957Polymer blends that swell in an acidic environment and deswell in a basic environment
A polymer blend is prepared by dissolving chitosan and a second polymer in an acidic aqueous solution to form an aqueous polymer blend, dehydrating said aqueous polymer blend, and recovering said polymer blend. The second polymer may be selected from the group consi...
02/27/2007
7176256Biocompatible crosslinked composition
Crosslinked polymer compositions comprise a first synthetic polymer containing multiple nucleophilic groups covalently bound to a second synthetic polymer containing multiple electrophilic groups. The first synthetic polymer is preferably a synthetic polypeptide or ...
02/13/2007
7166671Grafted cyclodextrin
Thermoplastic polymer compositions, films, continues, closures, laminates can comprise a modified vinyl polymer said modified polymer having a moiety comprising a cyclodextrin compound. The cyclodextrin compound, locked into the polymer structure, can absorb impurit...
01/23/2007
7166302Complexing agents for compositions containing inclusion complexes
The invention provides a composition containing particulate composite of a polymer and a therapeutic agent. The composition also contains a complexing agent. The polymer interacts with the complexing agent in a host-guest or a guest-host interaction to form an inclu...
01/23/2007
7157546Water-soluble polymer alkanals
The present invention is directed to alkanal derivatives of water-soluble polymers such as poly(ethylene glycol), their corresponding hydrates and acetals, and to methods for preparing and using such polymer alkanals. The polymer alkanals of the invention are prepar...
01/02/2007
7157283Continuous process for the production of combinatorial libraries of modified materials
A system is provided wherein a devolatilizing reactor is used to make combinatorial libraries of materials. Examples of suitable reactors include continuous high viscosity devolatilizers and continuous devolatilizing kneaders. ...
01/02/2007
7153904Starch/carboxylated polymer composites
This invention relates to an inhibited non-solubilized granular starch modified by less than 5% of a carboxylated polymer. In addition, a process is provided wherein a non-solubilized, substantially granular starch is mixed with a carboxylated polymer, dried to form...
12/26/2006
7144512Method of reclaiming brine solutions using an organic chelant
A method of reclaiming a well completion brine solution by using an organic chelant that is capable of discriminating between (i) iron and non-zinc heavy metals; and (ii) calcium and zinc. The chelant contains a functional group selected from the group —CO2
12/05/2006
7144979Modifying the surface of polymer substrates by graft polymerization
The present invention relates generally to a grafting process comprising the formation of a grafted polymeric structure having a substrate polymer in hybrid formation with one or more of the same or other polymers or monomeric subunits thereof. More particularly, th...
12/05/2006
7144852Process for preparation of particles
The present invention is directed to a process for the preparation of polysaccharide-grafted polymer particles wherein the polysaccharide is preferably a β-1,4 linked polysaccharide, comprising miniemulsion polymerisation. ...
12/05/2006
7141714Wound care device
Wound care device comprising chitosan, said chitosan being capable of absorbing liquid to form a swollen, coherent gel, and said chitosan being in the form of fibres having been modified by treatment with acid in a solvent which is not able to dissolve the chitosan ...
11/28/2006
7135418Optimal operation of conformal silica deposition reactors
Methods of forming conformal films that reduce the amount of metal-containing precursor and/or silicon containing precursor materials required are described. The methods increase the amount of film grown following each dose of metal-containing and/or silicon-contain...
11/14/2006
7129189Aluminum phosphate incorporation in silica thin films produced by rapid surface catalyzed vapor deposition (RVD)
An method employing atomic layer deposition (ALD) and rapid vapor deposition (RVD) techniques conformally deposits a dielectric material on small features of a substrate surface. The resulting dielectric film applies a phosphate-doped silicate film using atomic laye...
10/31/2006
7118797Printed communication materials having reduced odor and textural or tactile properties
The present invention relates to coatings and compositions suitable for use with imaged or printed products, such as business communication documents, pressure sensitive products, including labels and other materials used in the handling of information, whether inte...
10/10/2006
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