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7629425 |
Methods of producing water-soluble, non-turbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer
Methods of producing vinyllactam copolymers which include: providing at least one water-soluble N-vinyllactam; providing at least one hydrophobic comonomer; and subjecting the at least one...
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7605196 |
Water-soluble copolymers containing sulfo groups, method for the production and use thereof
The invention relates to water-soluble copolymers used as water retention agents, stabilizers and rheology modifiers in aqueous building material systems based on hydraulic binders such as cement,...
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7601789 |
Fluorescent monomers and tagged treatment polymers containing same for use in industrial water systems
Fluorescent monomers are described and claimed which are synthesized by reacting a substituted or non-substituted naphthalic anhydride with an amine and with a moiety containing a polymerizable...
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7589139 |
Polyvinylpyrrolidone powder composition and its production processes
There is disclosed a polyvinylpyrrolidone powder composition including polyvinylpyrrolidone having a K value of not lower than 60 and not higher than 130 and a secondary amine or a salt thereof....
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7572836 |
Method of preparing a copolymer and using such as a dispersing agent for titanate-based ceramic colloids
This invention relates to the preparation of a copolymer which is used as a dispersing agent for titanate-based ceramic colloids. This copolymer has the following structure:
Wherein R 1 ...
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7524905 |
Substantially linear copolymers and methods of making the same
Substantially linear copolymers derived from at least one acyclic aliphatic olefin monomer and at least one nitrogen containing vinyl monomer, wherein the at least one nitrogen containing vinyl...
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7498395 |
Polymer composition
A method of preparing a (meth)acrylate functionalized polymer comprising the steps of mixing together a monofunctional vinylic monomer with from 0.3-100% w/w (based on monofunctional monomer) of a...
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7456236 |
Adhesive for percutaneous absorption, adhesive composition for percutaneous absorption and preparation for percutaneous absorption
To offer adhesives for percutaneous absorption, adhesive compositions for percutaneous absorption and preparations for percutaneous absorption which show high ability to dissolve drugs and to...
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7442751 |
Method of producing water-soluble nonturbid copolymers of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer
Method of producing vinyllactam copolymers by free-radical polymerization of at least one water-soluble N-vinyllactam and at least one hydrophobic comonomer in an organic solvent in the presence of...
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7432322 |
Coating composition for forming an inkjet-printable coating on a substrate
A coating composition for forming an inkjet-printable coating on a substrate is provided herein. The composition includes a cationic polymer, and an anionic polymer salt, preferably maleic...
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7423074 |
Polysiloxane prepolymers for biomedical devices
A polysiloxane copolymer that is useful for forming biomedical devices comprises blocks (I) and (II) and is terminated at each end with an ethylenically unsaturated radical:
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7422735 |
Use of crosslinked cationic polymers in skin cosmetic and dermatological preparations
The invention relates to the use of at least one copolymer obtainable by
(i) free-radically initiated copolymerization of a monomer mixture comprising (a) 1 to 99.99% by weight of at least one...
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7417101 |
Thermo-responsive water-soluble polymers for viscosity switch
A thermal responsive, water soluble copolymer is disclosed, which comprises the co-polymerization product of: (a) 0.5˜20 wt % of N-isopropyl acrylamide (NIPAAm); (b) 0.5˜20 wt % of...
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7414088 |
Polymers grafted to carbon nanotubes
A method comprising forming and grafting polymers on carbon nanotubes, a functionalized product and product dispersion produced by the method, a method of forming composites from the functionalized...
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7402641 |
Terpolymer compositions for coating substrates used in computer printers
Terpolymer compositions of vinyl caprolactam (VCL), dimethylaminopropyl methacrylamide (DMAPMA) and hydroxyethyl methacrylate (HEMA) are described to coat substrates for use in computer printers,...
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7396890 |
(Meth)acrylamide monomers containing hydroxy and silicone functionalities
The present invention relates to (meth)acrylamide monomers of the formula:
wherein R is H or CH 3 , R 1 is selected from H, substituted and unsubstituted alkyl groups having 1 to 8 carbon...
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7323529 |
Method of making copolymers containing olefinic type monomers
Copolymers containing residues of at least one olefinic monomer and a method of making such copolymers including the steps of:
(a) providing a pressurized stirred tank; (b) feeding monomer...
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7304116 |
Braided comb-shaped salt-resistant polymer thickening agent
A braided comb-shaped salt-resistant thickening agent for tertiary oil extraction from class I oil reservoir is disclosed. The agent is polymerized with monomer (A) and monomer (B), and monomer...
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7256246 |
Low polydispersity poly-hema compositions
The present invention relates to compositions comprising poly-HEMA having a peak molecular weight between about 25,000 and about 100,000 , preferably between 25,000 and 80,000 and a polydispersity...
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7238760 |
Water-soluble or water-swellable, associatively thickening copolymers containing sulfo groups, method for producing the same and use thereof
The invention relates to water-soluble or water-swellable copolymers which contain sulfo groups and which are based on (meth)acrylamide-alkylsulfonic acids and (meth)acrylamide or N-vinyl...
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7235345 |
Agent for forming coating for narrowing patterns and method for forming fine pattern using the same
It is disclosed an over-coating agent for forming fine patterns which is applied to cover a substrate having photoresist patterns thereon and allowed to shrink under heat so that the spacing...
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7214753 |
N-vinyl amide polymer and production method thereof
The present invention provides an innovative N-vinylamide polymer with decreased contents of impurities and suppressed coloration, a higher K-value, and preferably usable in a variety of fields...
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7208556 |
Water-soluble or water-swellable crosslinked copolymers
Water-soluble or water-swellable crosslinked copolymers consisting essentially of structural units of the formula 1
or a mixture of the structural units of the formula 1 with structural units...
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7202319 |
Water-soluble copolymers based on olefinic sulfonic acids, method for the production thereof and use of the same
Water-soluble copolymers based on olefinic sulfonic acids, olefinic dicarboxylic acids, vinyl amides and vinyl ethers and/or allyl ethers and/or bisacryl derivatives are described as well as...
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7186774 |
Silicone-modified comb polymers based on acryloyldimethyltaurine acid (2-acrylamido-2-methyl-1-propanesulfonic acid)
The invention provides water-soluble or water-swellable copolymers obtained by free-radical copolymerization of
A) acryloyldimethyltaurine and/or acryloyldimethyltaurates, B) optionally, one or...
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7160971 |
pH-sensitive methacrylic copolymers and the production thereof
The present invention provides novel multi-functional methacrylic copolymers that exhibit cationic pH-sensitive behavior as well as good water solubility under acidic conditions. The copolymers are...
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7119126 |
Polymer matrix material
The polymer matrix material includes a polymerization product of one or more monomers selected from the group of water-soluble, ethylenically-unsaturated acids and acid derivatives, and a...
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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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7053161 |
Method for producing organic peroxides and their use in the radical polymerization of monomers
A process for producing organic peroxide initiators useful in the polymerization of ethylenically unsaturated monomers. The process for making the organic peroxides includes forming an aqueous...
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7041762 |
Polyvalent imprinted polymer and process of preparation thereof
The present invention relates to a polyvalent imprinted polymer useful in medicine and biotechnology and to a process for the preparation thereof. More particularly it relates to the said polymer...
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7022789 |
Telechelic alkadiene polymers with crosslinkable end groups and methods for making the same
The present invention relates to telechelic polymers having crosslinkable end groups of the formula
and methods for preparing the same wherein n is an integer;
is an alkadienyl group; Y is...
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7022656 |
Water-soluble copolymer film packet
Generally speaking, the present invention is a water-soluble copolymer film comprising a hydrolyzed copolymer of vinyl acetate and a second monomer, the resultant polyvinyl alcohol copolymer having...
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6946233 |
Polymer, resist material and patterning method
Provided are a resist material having markedly high resolution and etching resistance of a practically usable level, and being useful for fine microfabrication; a patterning method using the resist...
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6939927 |
Process for making vinyl pyrrolidone/vinyl acetate copolymers having a very low residual vinyl pyrrolidone monomer level within a short production cycle
Vinyl pyrrolidone/vinyl acetate copolymers having a very low residual vinyl pyrrolidone monomer level, i.e. <100 ppm, preferably only 50 ppm, are made within an advantageously short production...
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6936670 |
Multifunctional alkoxyamines based on polyalkylpiperidines, polyalkylpiperazinones and polyalkylmorpholinones and their use as polymerization regulators/initiators
The instant invention relates to multifunctional alkoxyamines based on polyalkylpiperidines, polyalkylpiperazinones and polyalkylmorpholinones and their use as polymerization regulatros/initiators....
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6878788 |
Method for producing polymers
Proposals are made for a process for preparing polymer solutions and/or polymer dispersions by free-radical addition polymerization and for the use of the polymers prepared, particularly as gas...
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6867262 |
Grafted polymers as gas hydrate inhibitors
Graft polymers are used as gas hydrate inhibitors.
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6852815 |
Conditioning/styling tetrapolymers
What is described herein are conditioning/styling tetrapolymers of vinyl caprolactam (VCL), vinylpyrrolidone (VP), dimethylaminopropyl methacrylamide (DMAPMA) and C 8 -C 24 alkyl quaternized...
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6849702 |
Polymer matrix material
The polymer matrix material includes a polymerization product of one or more monomers selected from the group of water-soluble, ethylenically-unsaturated acids and acid derivatives, and a...
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6841640 |
Multifunctional phosphate polymers
The present invention deals with the composition, and application of novel phosphate polymers. The polymeric compounds are useful as emulsifying agents, softening, anti-tangle, and conditioning...
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6828399 |
Acrylic emulsion coating for films, paper and rubber
A polymer useful in forming coatings for articles is provided. The polymer is an acrylic copolymer formed as the reaction product of a plurality of monomers which include an alkyl (meth)acrylate, a...
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6825308 |
Copolymers and preparation thereof
The present invention relates to copolymers for applications in medicine and biotechnology and preparation thereof. Copolymers comprises polyvalent N-Acetyl Glucosamine(NAG) in polyvalent form and...
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6812309 |
Digitally encoded polymers
A method for encoding a polymer. The method comprises incorporating, into a polymer formed by polymerizing at least one bulk monomer, from 0.1 ppm to 1% each of at least two additional monomer...
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6806334 |
Proliferous copolymer of vinyl pyrrolidone and vinyl acetate
What is described herein is an excipient for a pharmaceutical tablet which is a proliferous copolymer of vinyl pyrrolidone and vinyl acetate, to provide the tablet with rapid dissolution and...
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6803405 |
Thickeners for aqueous dispersions
The invention relates to the aqueous preparation of a polymer. Said preparation contains a copolymer consisting of a) 30 to 79.5 wt. % N-vinylpyrrolidone, b) 20 to 69.5 wt. % vinylacetate, c) 0.5...
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6750305 |
Acrylic copolymers as additives for inhibiting paraffin deposit in crude oil, and compositions containing same
Copolymers of N-vinylpyrrolidone and alkyl acrylates and/or methacrylates containing 10 to 50 carbon atoms with particular chain distributions can be used as additives for inhibiting wax deposition...
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6747111 |
Polymerization process with living characteristics and polymers made therefrom
A free radical polymerization process suitable for synthesizingpolymers is disclosed. The process utilizes novel sulfur based chain transfer agents and is widely compatible over a range of monomers...
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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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6747090 |
Compositions capable of forming hydrogels in the eye
The invention related to a hydrogel forming aqueous composition of water soluble polymers having a sufficiently high coherency that it substantially not is dispersed when being injected into an...
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6730763 |
Composition
A composition which is useful as a material with excellent weatherability, such as paints, printing ink, adhesive, filler, molding material, or resist, and is especially suitable for use in...
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