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7294673 |
Method of modifying polymeric material and use thereof
A method of modifying a polymeric material whereby the polymeric material is modified to give a highly durable surface without decreasing its strength. Namely, a polymeric material is modified by...
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7265186 |
Multi-arm block copolymers as drug delivery vehicles
The invention provides methods for making copolymers and multi-arm block copolymers useful as drug delivery vehicles. The multi-arm block copolymers comprise a central core molecule, such as a...
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7262253 |
Process for the preparation of amphiphilic poly (N-vinyl-2-pyrrolidone) block copolymers
The instant invention provides a two-step polymerization process for preparing amphiphilic poly(N-vinyl-2-pyrrolidone), (PVP)-block-polyester copolymers and other diblock and triblock copolymers...
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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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7160957 |
Process for reducing monomer content in N-vinyl compound polymers
A method for residual monomer diminution by which a residual monomer is speedily removed from an N-vinyl compound polymer or the like without posing a problem such as an increase in ash content;...
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7160947 |
Polymers and laundry detergent compositions containing them
Graft copolymers providing soil release benefits in laundry detergent compositions contain backbone units derived from an ethylenically unsaturated monomer, hydrophilic uncharged side chains, and...
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7119145 |
Surface graft modified resins and formation thereof
Pre-formed polymer particles are chemically modified by free radical-initiated surface graft modification. The resulting resin is specifically adapted to provide enhanced chromatographic...
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7064168 |
AnB block copolymers containing poly (vinyl pyrrolidone) units, medical devices, and methods
A n B block copolymers, wherein n is at least two, that include A blocks with poly(vinyl pyrrolidone) units and B blocks with urethane groups, urea groups, imide groups, amide groups, ether groups,...
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6884835 |
Process for making light weight rubber composition containing clay
This invention relates to a process for making a vulcanized rubber article comprising the steps of (1) kneading at a temperature within the range of about 70° C. to about 190° C. in a bulk...
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6872787 |
Post-treatment of a polymeric composition
A post-treatment process for making a water-resistant polymeric composition which is inkjet printable, or in the form of a strongly-swellable gel, includes providing a stable, aqueous two-phase...
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6867262 |
Grafted polymers as gas hydrate inhibitors
Graft polymers are used as gas hydrate inhibitors.
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6765081 |
Thermal responsive, water-soluble polymers
A thermal responsive, water soluble polymer. The polymer comprises the co-polymerization product of: (a) 5˜95 wt % of N-isopropyl acrylamide (NIP); (b) 0.1˜80 wt % of 1-vinyl-2-pyrrolidinone...
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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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6759442 |
Packing material for solid phase extraction and solid phase extraction method
An object of the present invention is to provide a packing material for solid phase extraction, ensuring excellent recovery of not only a hydrophobic substance but also an ionic substance by having...
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6747082 |
Metal composition for making a conductive film and metal composition for making an electron emission element
The present invention provides a metal composition for making a conductive film and a metal composition for making an electron emission element. The metal composition includes a...
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6686425 |
High Tg acrylic polymer and epoxy-containing blend therefor as pressure sensitive adhesive
A high Tg acrylic polymer is provided as well as an epoxy-blend thereof for use as a pressure sensitive adhesive. The high Tg acrylic polymer comprises a copolymer of an alkyl (meth)acrylate...
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6683147 |
Method for the production of glass or plastic laminates by use of a curable blend of an epoxy resin and a high Tg polymer
A method for the production of glass or plastic laminates is provided comprising applying between opposing faces of glass or plastic substrates a pressure sensitive adhesive comprised of a curable...
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6599987 |
Water soluble, curable copolymers, methods of preparation and uses thereof
The present invention provides cured, compositions of matter that are non-swellable in water after curing. In general, the compositions comprise a water soluble copolymers comprising...
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6576712 |
Preparation of hydrophilic pressure sensitive adhesives having optimized adhesive properties
A method for preparing hydrophilic pressure sensitive adhesive (PSA) compositions is provided, wherein the method enables preparation of adhesives having a particular, optimized degree of adhesion....
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6558790 |
Water vapor-permeable, pressure-sensitive adhesives
Water-permeable, pressure-sensitive adhesives and adhesive constructions are characterized by a MVTR of at least 1,900 g/m 2 /day and low adhesive edge lift, even after 25 kGy gamma irradiation....
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6475475 |
Polymer ingredient combinations for hair treatment compositions
Combinations of polymer compounds and hair treatment compositions containing them are described, which have improved film-forming properties and improved hair-fixing properties, particularly...
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6465579 |
Silica-polymer composite, method of production thereof, and rubber composition using the same
A silica-polymer composite, featuring a low viscosity and excellent processability when being kneaded with a rubber and superior in dispersibility and tensile strength, comprising a polymer having...
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6403725 |
Metal containing dispersant polymers from condensation of polymers containing acidic group with overbased compositions containing reactive nucleophilic group
Disclosed is a metal containing polymer composition comprising; a metal overbased imide or ester functionalized polymer prepared by reacting (A) a polymer comprising (A1) an acidic functionalized...
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6399712 |
Polymer bound 2,2,6,6,-piperidinyl derivatives
A polymer compound is provided comprising at least one of the monomer units represented by the following formula (A) or formula (B): wherein R 11 and R 21 each represents a hydrogen atom, an...
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6372854 |
Hydrogenated ring-opening metathesis polymer and its use and production
The present invention discloses a hydrogenated ring-opening metathesis polymer comprising at least unit (A) of formula (1), unit (B) of formula (2) and unit (c) of formula (3): wherein a...
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6369165 |
Method for the production of polymers from n-vinyl compounds
A process for preparing polymers of N-vinyl compounds comprises polymerizing the vinyl compounds in the presence of free radicals of the formula I where Q is NR 2 or S and T is CR 3 R 4 or S...
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6316505 |
Pharmaceutical compositions comprising fluorinated co-polymers
Block copolymers containing a fluorinated hydrocarbon unit, a hydrocarbon unit, and a poly(oxyethylene) unit are useful in fluid formulations of pharmaceutical agents. A typical embodiment is: C...
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6303700 |
Adhesive agent and use of such adhesive agent
A pressure sensitive adhesive composition suitable for application to human or animal skin comprising a conjugated diene polymer, a polyvinyl pyrrolidone polymer or a polyvinyl pyrrolidine...
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6294615 |
Copolymer, cationic high molecular weight flocculating agent comprising the copolymer, and process for producing the copolymer
A copolymer which can provide an aqueous solution thereof having high viscosity, a cationic high molecular weight flocculating agent comprising the copolymer and a process for producing the...
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6262222 |
Copolymers containing N-vinyllactam derivatives, preparation methods thereof and photoresists therefrom
Copolymers containing N-vinyllactam derivatives protected at 3-position are provided and represented by the following formula. The copolymers are used as a photoresist material suitable for deep uv...
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6248836 |
Amphiphilic graft polymers based on graft bases containing n--vinylcarboxylic acid units, process for their preparation and their use
Amphiphilic graft copolymers are prepared by grafting a pre-formed graft base polymer comprising at least 5% by weight of units of formula (I) ##STR1## where R1 and R2 are independently H or C 1 ...
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6239231 |
Chemical amplifying type positive resist composition
A chemical amplifying type positive resist composition, excellent in adhesion to a substrate and good in resist performances and suitable for exposure using a KrF excimer laser, ArF excimer laser,...
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6218503 |
Silicone-containing prepolymers
Prepolymers of Formula (I) are useful in hydrogel materials ##STR1## wherein M is a hydrophilic radical derived from at least one hydrophilic ethylenically unsaturated monomer and having a...
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6162877 |
Hydrophobically modified comb copolymers
A comb copolymer comprising a backbone comprising (a) hydrophilic units, (b) residues of dihalogeno compound remaining after the halogen atoms have been removed and (c) moiety containing pendant...
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6054492 |
Fluorinated copolymeric pharmaceutical adjuncts
Block copolymers containing a fluorinated hydrocarbon unit, a hydrocarbon unit, and a poly(oxyethylene) unit are useful in fluid formulations of pharmaceutical agents. A typical embodiment is: C...
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6025446 |
Stable complexes of crosslinked polyvinylpyrrolidone and iodine and method of making the same
A wound treatment material which absorbs wound fluid without overdrying the wound, provides physical cushioning for the wound, and releases an antimicrobial agent (iodine) in a controlled manner to...
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6022550 |
Crosslinkable polymer composition, molded article therefrom, process for the preparation thereof, crosslinked nonwoven cloth, and process for the preparation thereof
Disclosed are a crosslinkable resin composition, and a molded article from the composition, a process for the preparation of the crosslinkable polymer composition, and crosslinked nonwoven cloth...
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5955606 |
N-vinyllactam derivatives and polymer thereof
N-vinyllactam derivatives protected at the 3-position are provided and represented by the following formula (I). These are polymerized into homo- and copolymers for use in microlithography of...
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5922814 |
Preparation of polymers comprising peroxycarboxyl groups
A process for preparing polymers comprising peroxycarboxyl groups, wherein a suspension of a polymer comprising monoolefinically unsaturated dicarboxylic anhydride basic building blocks is mixed...
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5869032 |
Quaternized copolymers suitable as active ingredients in cosmetic formulations, such as hair styling compositions
Quaternized copolymers suitable as active ingredients in hair styling compositions are obtainable from N-vinylimidazoles, N-vinylcaprolactam, N-vinylpyrrolidone and, if required, further monomers.
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5863662 |
Terpolymer for ink jet recording
A terpolymer for ink jet recording comprises by weight, 1-99% of a vinyl lactam, preferably vinyl pyrrolidone, 1-99% of a polymerizable carboxylic acid, preferably acrylic acid and 1-99% of...
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5798421 |
Water-soluble associative triblock copolymers
This invention relates to copolymers of molecular mass of between 5,000 and 300,000, consisting of a hydrophilic central portion, for example a polyacrylamide chain, and of hydrophobic ends the...
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5753770 |
Preparation of hydrogen peroxide, C1 to C4-monopercarboxylic acid and C4- to C18-dipercarboxylic acid complexes in a fluidized-bed process
A fluidized-bed process for preparing hydrogen peroxide, C 1 -C 4 -monopercarboxylic acids and C 4 -C 18 -dipercarboxylic acid complexes in which a solution of hydrogen peroxide, a C 1 -C 4 ...
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5731387 |
Ionically-crosslinked water-absorbent graft copolymer
An ionically-crosslinked absorbent graft copolymer which exhibits pressure sensitive adhesive properties is provided comprised of a hydrophilic and/or hydrophobic base monomer and a water-soluble...
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5726250 |
Covalently crosslinked water-absorbent graft copolymer
A covalently crosslinked absorbent graft copolymer is provided comprised of a water-soluble base monomer and a water-soluble or water-dispersible macromer. In a preferred embodiment, the...
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5714333 |
Process for preparing clear sera which are stable over a long period
The present invention relates to a process for preparing clear sera which are stable over a long period and also to their use in diagnostics.
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5710211 |
Process for producing vinyl alcohol polymer
According to the present invention, there are provided a process for producing a vinyl alcohol polymer comprising reaction of a vinyl ester polymer (A) having an epoxy group with a compound (B)...
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5696193 |
Immunoassay elements comprising polymers containing vandium IV (V+4) ions
A dry immunoassay analytical element, for assaying a ligand, comprising in the following order: (a) a layer containing a labeled ligand; (b) a spreading layer; (c) a receptor layer...
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5608024 |
Process for making polymers of vinyl lactam and a polymerizable carboxylic acid, optionally with, a hydrophobic monomer, as a stable composition in an alcohol-water solvent system, having a residual vinyl lactam content of less than 500 PPM
What is described herein is a process for making polymers of a vinyl lactam and a polymerizable carboxylic acid, optionally including a hydrophobic monomer, as a stable composition in an...
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5484851 |
Polyvinyl-polyoxyalkylene block copolymers
A mixed block copolymer of the A-B type is prepared. The A block of the block copolymer is formed by the polymerization of compounds having vinyl groups and the B block of which is a...
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