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7674839 |
Methods for the production of polymer carrier materials based on carbon hydrate-bis(meth)acryl-amides
The invention relates to methods for the production of polymer carrier materials for solid phase synthesis, particularly for peptide synthesis. (Meth)acrylamide derivatives based on carbon...
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7423070 |
Surface-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,...
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7005513 |
Functionalized glycosaminoglycan polymer and medical instruments and drugs by using the same
The present invention provides a functionalized polymer which can be used extensively in the field of medical drugs as well as medical devices and which is obtainable in an organic synthetic manner...
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6977285 |
Oligomers containing N-acetyl glucosamine (NAG)
Functional polyvalent oligomer for applications in medicine and biotechnology are disclosed. These oligomers have the formula (1) wherein R is H, CH3, C2H5, R1, is H, NH2, OH, COOH, X is N-Acetyl...
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6933356 |
Particles of carboxylated polymer
Carboxyl group-containing polymer particles giving a neutralized viscous liquid being excellent in gel appearance and transparency. Carboxyl group-containing polymer particles comprising 55 to 94%...
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6884842 |
Molecular compounds having complementary surfaces to targets
Synthetic polymer complements (SPCs) are provided, as well as methods for their synthesis and use. The SPCs may have surfaces that include functional groups that are complementary to surface sites...
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6605182 |
Polymers, their preparation and their use
(Co)poly-α-hydroxyacrylic-acid-based polymers (P), optionally in lactonized form or in salt form, optionally as Mg-complexes, and which are characterized by a content in carbohydrate units and ...
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6541587 |
Saccharide-derived monomer, method for manufacturing the same and highly-dielectric polymer consisting of the said monomer
It is disclosed that a saccharide-derived monomer in which polymerizable functional group is introduced into hydroxyl group or other functional group contained in a saccharide or a saccharide...
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6476185 |
Preparation of an organic compound by a condensation reaction
The invention pertains to a process for the preparation of an organic compound by a condensation reaction in which besides the organic compound other products are formed and one or more of the...
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6441057 |
Optical sensor membranes having improved barrier properties
The present invention discloses novel polymer compositions comprising cellulose acrylamide, acrylamide and/or a fluorescent indicator species, and membranes made with these compositions. Optical pH...
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6410668 |
Robust polymer coating
The instant invention describes uncharged water-soluble polymers to suppress electroosmotic flow in capillary electrophoresis. The polymers in the instant invention are copolymers of various...
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6224981 |
Water-redispersible powders of film-forming polymers having a core/shell structure
The present invention relates to a water-redispersible powder based on film-forming polymers which are substantially water-insoluble and which are prepared by aqueous emulsion polymerization of...
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6043328 |
Polysiloxane-polyol macromers, their preparation and their use
The present invention describes a polysiloxane-polyol macromer which is uninterrupted or interrupted by a bivalent structural element and furthermore carries at least one polymerizable segment on a...
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6040406 |
Detectable water-treatment polymers and methods for monitoring the concentration thereof
Water-treatment compositions are provided which contain a water-soluble, water-treatment polymer and, optionally, additional water-treatment chemicals. The polymers are prepared from...
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5977275 |
Polymers having pendant polysaccharide moieties and uses thereof
The present invention relates to a water-soluble or water-dispersible polymer having pendant polysaccharide moieties. The invention also provides a method for cleaning an article and a method of...
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5945457 |
Process for preparing biologically compatible polymers and their use in medical devices
A hemocompatible composition comprising a polymer containing at least one pharmacologic material chemically bonded to a polymer backbone. Such compositions may be obtained by reacting a...
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5939466 |
Poly-unsaturated carbohydrate derivatives, polymers thereof and their use
The present invention relates to polymerizable derivatives of carbohydrates comprising a carbohydrate radical and more than one radically polymerizable hydrocarbon group which is linked optionally...
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5910519 |
Method of forming shaped hydrogel articles including contact lenses using inert, displaceable diluents
Shaped hydrogel articles such as soft contact lenses are prepared by the steps of: (1) molding or casting a polymerization mixture comprising: (a) a monomer mixture comprising a major proportion of...
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5872199 |
Sugar based vinyl monomers and copolymers useful in repulpable adhesives and other applications
Copolymers prepared from novel alkyl polyglycoside maleic acid esters and vinyl monomers are biodegradable and repulpable and are useful in adhesives, coatings, sizing agents, toners, retention...
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5856416 |
Unsaturated carbohydrate derivatives polymers thereof and their use
The present invention relates to polymerizable derivatives of carbohydrates comprising a compound of formula (I) R1 --(COO--Alk)m --(OCONH--R)n --(NHCO)p --Y--Z (I)wherein R1 is a radically...
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5821312 |
Acid-functionalized saccharides as polyvalent anti-infectives
The present invention includes polymerizable monomers comprising an acid-functionalized glycoside moiety. The monomer can have a polymerizable functional group, such as an olefinic bond, to which...
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5789462 |
Photocured crosslinked-hyaluronic acid contact lens
A photocured crosslinked-hyaluronic acid contact lens which comprises a photocured crosslinked-hyaluronic acid derivative produced by the formation of a crosslinked cyclobutane ring by light...
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5760150 |
Copolymerizates of unsaturated carboxylic acids, process for the preparation thereof and use thereof
The present invention relates to copolymerizates (A) of unsaturated carboxylic acids, selected from carboxylic acids containing sulfonic acid groups, comonomer mixtures of carboxylic acids...
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5756626 |
Vinyl chloride copolymers with monoallyl ethers of polyhydric alcohols
A process for polymerizing vinyl chloride alone or a mixture of vinyl chloride and other vinyl monomer(s) with hydroxy containing monomer(s), and the copolymer obtained thereby. The hydroxy...
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5719244 |
Latex binders and coatings containing polymers derived from polymerizable saccharide monomers
Latex binders are disclosed which are used to prepare freeze-thaw-stable latex coating compositions which may be free of volatile freeze-thaw/open-time additives. The latex binders are prepared by...
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5690953 |
Polymeric ophthalmic lens with crosslinker containing saccharide residue
An ophthalmic lens, particularly a soft hydrogel contact lens, is disclosed. The lens can be derived from a crosslinked polymer made by reacting a hydrophilic monomer with a crosslinking amount of...
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5646221 |
Adhesive base material
An adhesive base material comprises a polymer obtained by polymerizing a glucosyloxy alkyl (meth)acrylate, a hydroxyalkyl (meth)acrylate, an alkyl (meth)acrylate and a polyfunctional monomer. This...
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5629395 |
Process for producing cross-linked polymer containing carboxyl group
There is provided an industrially advantageous process for producing a crosslinked polymer containing carboxyl groups which comprises (a) polymerizing an α,β-unsaturated carboxylic acid and a c...
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5587442 |
Polyglycomers
A polyglycomer is disclosed of the following formula: ##STR1## wherein L is a linker selected from the group of --O--(CH2)m --, --NH--(CH2)m --, --O--(CH2)m --X--, and --NH--(CH2)m --X--, wherein...
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5580940 |
Biodegradable diacrylates and adhesives based thereon
Biodegradable diacrylates containing both a polymerizable double bond and a mono- or disaccharide residue are useful in the preparation of biodegradable polymers which can be used as adhesives....
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5527866 |
Process for making solid polyol polyester polymer
Nondigestible fat compositions useful as replacements for triglyceride fats or oils in foods are disclosed. These compositions have relatively flat solid Fat Content (SFC) profile slopes between...
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5470931 |
Thermostable polymers from 1',2',3,3',4,4',6,6'-octa-O-allylsucrose
A method for producing stabilized polymers, exhibiting enhanced thermal stability, which comprises polymerizing a mixture comprising: a monomer comprising an allyl-containing group which is bonded...
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5373052 |
Organic polymer microparticle and process for producing the same
Disclosed is an organic polymer microparticle which is obtainable from copolymerization of (a) an ethylenically unsaturated amine polymer obtained by reacting an amine polymer having at least two...
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5319048 |
Non-caloric bulking agents for food for replacement of sugar or starch
A new composition of matter that can be substituted as a bulking agent for sugar or starch to reduce the caloric content of foods comprising the polymeric product of the reaction of a water-soluble...
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5304584 |
Soft, high oxygen permeability ophtalmic lens
A low water contact lens material having high O2 permeability, a lower water content and reduced polymer matrix size provides adequate O2 to the cornea, but does not wick water away from the eye...
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5302676 |
Polymers having enhanced crosslinking efficiencies, and methods for their preparation using 1',6,6'-trimethacryloyl-2,3,3',4,4'-penta-O-methyl sucrose as a crosslinking agent
The invention relates to crosslinked polymers and methods for making crosslinked polymers using 1',6,6'-trimethacryloyl-2,3,3',4,4'-penta-O-methylsucrose as a novel crosslinking agent. The...
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5290576 |
Tert-butyloxycarbonyl-L-tyrosyl-peptidoglycan monomer and 125 I-labeled derivative thereof, their preparation and use
The present invention relates to the novel tert-butyloxycarbonyl-L-tyrosylpeptidoglycan monomer ##STR1## and to its 125 I-labelled Boc-Tyr-PGM derivative; to the preparation and use thereof as...
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5270046 |
Heparin bound anti-thrombotic material
Disclosed is an anticoagulant material comprising a polymer obtained from an ionically bonded composite synthesized from i) a basic compound having a copolymerizable functional group and ii) a...
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5252611 |
Controlled release tablets including strongly swellable, moderately crosslinked polyvinylpyrrolidone
What is described herein is a controlled release, drug-delivery composition which comprises a strongly swellable, moderately crosslinked polyvinylpyrrolidone polymer in the form of fine white...
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5248712 |
Binders for forming a ceramics sheet and applications thereof
A binder for preparing an aqueous ceramics slurry, which contains a hydrophilic polymer such as a water-soluble (meth)acrylic polymer, a polysaccharide of natural origin such as pectin, pectinic...
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5243036 |
Process for obtaining polymers with antiviral activity
A process for obtaining polymers with antiviral activity is disclosed. Molecules carrying carbonyl groups and hydroxyl groups in the α position relative to the carbonyl, and molecules carrying ...
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5206318 |
Styrene derivatives having N-acetylchito-oligosaccharide chains and method for the same
A styrene derivative carrying N-acethylchito-oligosaccharide chains, a polystyrene derivative carrying N-acetylchito-oligosaccharide chains on the side chains as well as a method for preparing...
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5200437 |
Coating compositions containing alk-1-enyl ethers
This invention relates to coating compositions containing the alk-1-enyl ether reaction product of a hydroxylated compound, an alk-1-enyloxy oxirane and from 0 to 95% of an alkyl epoxide.
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5196458 |
Soft, high oxygen permeability ophthalmic lens
A low water contact lens material having high O2 permeability, a lower water content and reduced polymer matrix size provides adequate O2 to the cornea, but does not wick water away from the eye...
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5162471 |
Carbonhydrateacryl- and methacrylcopolymers and their manufacture
A copolymer of an N-acylated glycosylamine and an amide having the general formula: ##STR1## wherein R2 is a reducing sugar residue; R3 is H or CH3 ; x is an integer from 0 to about 20; and m is...
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5135965 |
Hydrogel-forming polymers used in intraocular lenses
Hydrogel-forming polymers for contact lenses and intraocular lenses having increased toughness despite high equilibrium water content comprise a hydrophilic monomer (e.g. an N-vinyl lactam) and a...
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5079319 |
Reactive silicone and/or fluorine containing hydrophilic prepolymers and polymers thereof
Vinyl unsaturated copolymers are described which are obtained in a two-step process and which consist of monomeric units A, B, C, D and E, copolymerized in a first step, and in a second step...
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5053228 |
Polymeric temperature sensitive drug carrier
The drug carrier of this invention provides a temperature-sensitive polymer chemically bonded to a drug. The drug carrier is capable of releasing a drug continuously in the body. The drug carrier...
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4963629 |
Copolymers of unsaturated carboxylic acids and use thereof
Copolymers of unsaturated carboxylic acids with alkaline solutions of monosaccharides or disaccharides capable of forming enolates provide polycarboxylates which are excellently suitable as...
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4946904 |
Additives for cement
An additive for cement comprising, as the effective component, a copolymer of a polyoxyalkylene derivative represented by following formula (1) and maleic anhydride, a hydrolyzed product of the...
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