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5712327 |
Soft gas permeable contact lens having improved clinical performance
A hydrophilic soft gas permeable contact lens having substantially improved clinical performance by the provision of a sufficient higher proportion of hydroxy acrylic units to silicon units in the...
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5712346 |
Acrylic emulsion coatings
Rubber articles are coated with a powder-free coating; the power-free/non-tacky coating comprises a copolymer formed by the sequential polymerization of two mixtures of monomers comprising styrene,...
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5710302 |
Monomeric units useful for reducing the modules of silicone hydrogels
Monomeric units useful in reducing the modulus of hydrogels are disclosed. Silicone hydrogels including the subject monomeric units are especially useful in the formation of biomedical articles...
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5707554 |
Electrically conductive surface release polymers
A polymeric material which is both electrically conductive, possesses surface release properties and can be formed into high-gloss, visually transparent coatings; is polymerized from a liquid...
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5705561 |
Moisture-curable modified acrylic copolymer sealant composition
A crosslinkable acrylic copolymer sealant composition has a stabilized viscosity in that the viscosity does not unduly increase nor does the material gel on storage for periods of time up to and...
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5700585 |
Acrylic emulsion coatings for formed articles
There are provided powder-free polymer coated rubber articles coated with a non-tacky acrylic based emulsion copolymer formed by polymerization of at least one low surface energy monomer, at least...
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5698628 |
Resin composition suitable as water-based paint and process for forming coating films having excellent stain resistance
A resin composition suitable as water-based paints which comprises 100 parts by weight of an emulsion of a polymer obtained by copolymerizing a silyl group-containing vinyl monomer with other vinyl...
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5691069 |
Acrylic emulsion coatings for rubber articles
There are provided powder-free polymer coated rubber articles in which at least one surface of the rubber article is coated with a non-tacky acrylic based emulsion copolymer formed by...
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5686546 |
Cross-linkable polymer composition containing a carboxylic acid precursor as a catalyst
A cross-linkable polymer composition containing a cross-linkable polymer having at least one hydrolysable silane group and at least one lactone or anhydride silanol condensation catalyst for...
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5681889 |
Hydrophilic crosslinked polymer fine particles and process for production thereof
The present invention provides hydrophilic crosslinked polymer fine particles made of a copolymer composed of: 2-50% by weight of (a) a monoethylenic monomer having a polyoxyalkylene or...
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5677406 |
Lengthened difunctional perfluoropolyether oils and rubbers prepared therewith
The invention relates to a difunctional perfluoropolyether oil, prepared by reacting a perfluoropolyether diol oil having a weight average molecular weight (Mw) of 1500 to 3000 with a chain...
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5674964 |
Self-curing systems
The invention relates to self-curing systems based on polymerizable and hydrolytically condensable or condensed silicon compounds. The systems according to the invention comprise one or more...
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5670594 |
Low water-absorptive ocular lens material, low water-absorptive ocular lens shaped product made thereof, low water-absorptive ocular lens made thereof and process for its production
A substantially non-crosslinked low water-absorptive ocular lens material obtained by polymerizing polymerizable components comprising a methoxysilane compound (A) of the formula (I): ...
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5667771 |
Rinse-off hair care compositions using grafted copolymers
The present invention relates to rinse-off hair care compositions which provide styling and hair conditioning properties without the formation of a non-removable residue. The compositions...
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5668194 |
Room temperature curing composition
This invention relates to a room temperature curing composition for use in various coatings for interior and exterior sidings, automotive bodies, household electrical appliances and plastic...
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5668234 |
Reaction injection molding (RIM) of methyl (meth)acrylate and related monomers using group-4 catalysts
Acrylate monomers such as methyl methacrylate, or other suitable monomers such as lactams, lactones, or acrylamides, are polymerized by reaction injection molding (RIM) utilizing a combination of...
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5665337 |
Low residue hair care compositions using grafted copolymers
The present invention relates to rinse-off hair care compositions which provide styling and hair conditioning properties without the formation of a non-removable residue. The compositions comprise...
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5665842 |
Organic compounds
A random copolymer corresponding to Formula I in free acid or salt form having the following types and numbers of monomer units; ##STR1## wherein A is selected from the moieties (i) and (ii); ...
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5663260 |
Hyperbranched copolymers from AB monomers and C monomers
A process for preparing hyperbranched polymers from AB monomers and C monomers Using a self-constructing approach is disclosed along with the hyperbranched polymers of a living-like character...
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5653968 |
Rinse-off hair care compositions
The present invention relates to rinse-off hair care compositions that leave a low residue on the hair. These compositions have good hair style retention properties and have a natural, non-sticky...
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5641846 |
Side-group polymers, and their use for optical components
Side-group polymers whose permanently shape-anisotropic side groups carry lateral substituents are particularly suitable, owing to their excellent properties, for optical components which can be...
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5633335 |
Copolymer of silicone macromonomer and alicyclic epoxy monomer
There is disclosed a novel silicone-grafted, alicyclic epoxy-functional vinyl polymer prepared by copolymerizing (A) 1 to 80 weight % of a silicone macromonomer which bears a vinyl-polymerizable...
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5629394 |
Direct synthesis by living cationic polymerization of nitrogen-containing polymers
A method is provided for the direct synthesis by living cationic polymerization of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal...
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5621057 |
Alkenyl ether-siloxane compositions which can be crosslinked by free radicals
Alkenyl ether-siloxane compositions comprising (A) an oligomeric or polymeric organosilicon compound having on average more than one alkenyloxy group of the formula R 2 --CHCH--O-- ...
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5618898 |
Weather-resistant solvent-based coating obtained by polymerization with thioether bond converted to sulfone bond
A process for producing a polymer of excellent weatherability, which comprises reacting a polymer having a thioether bond, with a peroxide to oxidize the sulfur atom in the bond to convert it into...
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5612433 |
Agent for water-repellent treatment of fibers
Disclosed is a water repellent for fibers, comprising an acryl-silicone graft copolymer which is prepared by a radical copolymerization reaction of an organopolysiloxane compound containing one...
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5610251 |
Polymerisable compositions using air-activated latent initiator system of hydrogenated pyridine compound and acid
A one-part, air-activatable, polymerizable composition comprising: (a) at least one free-radically polymerizable monomer, and (b) an activator system for effective polymerization of the...
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5605999 |
Anaerobically curable silicones
An anaerobically curing composition is comprised of (i) a silicone fluid formed as the reaction product of at least one first silane of formula I: R n Si(X) 4 -n ...
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5601884 |
Retardation film and production thereof
A retardation film comprising a polymerized liquid crystal oligomer having positive intrinsic birefringence, also having a glass transition temperature of 50° C. or below and showing nematic or...
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5596038 |
Hydrogel having a silicon-based crosslinker for biosensors and electrodes
The invention provides novel organic polymer hydrogels comprising oligo(polyhydroxylalkyl)silylmethacrylate, particularly tetraethylene glycol α-ω bis(dimethoxysilylpropylmethacrylate),...
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5594067 |
Method of manufacturing water-based silicone-type graft copolymer emulsion
A method of manufacturing a water-based silicone type graft copolymer emulsion in which silicone (a macromonomer) having a radical polymerizable functional group and another vinyl monomer are,...
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5587445 |
Highly oxygen-permeable heat-resistant material
A highly oxygen-permeable heat-resistant material consisting essentially of a polymer obtained by polymerizing a polymerizable component containing a silicon-containing stilbene derivative of the...
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5585450 |
Oligomerized cyclobutarene resins
An oligomerized cyclobutarene containing 80 weight percent or more of oligomers of a degree of polymerization of three or more.
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5585424 |
Acrylic rubber-based composition
Proposed is an acrylic rubber-based composition suitable for hot-air vulcanization under normal pressure in a continuous process. The rubber composition comprises, besides an acrylic rubber polymer...
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5565536 |
Polymerizable compouund, process for producing same and setting composition containing polymerizable compound
A polymerzable compound represented by the general formula (1) X--R 1 --Y where X is an unsaturated imide group having substituents R 2 and R 3 , or an itacon imide group where R 2 and R 3 are...
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5563184 |
Macromonomers
Novel siloxane macromonomers are disclosed which can be copolymerized with hydrophilic monomers or hydrophobic monomers to prepare polymeric materials useful as biomedical devices. The copolymers...
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5556929 |
Ocular lens material
An ocular lens material made of a copolymer obtained by polymerizing copolymerizable components comprising (A) a fluorine-containing di(meth)acrylate having urethane bonds, of the formula (I):...
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5554695 |
Styrenic copolymer and process for producing same
There are disclosed a styrenic copolymer which comprises at least one structural unit represented by the general formula (I) ##STR1## and a structural unit represented by the general formula (II)...
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5554706 |
Mesogenic acrylate copolymers having both siloxy and alkylene spacer groups
The present invention relates to a copolymer consisting of a polyacrylate type backbone having mesogenic groups in the side chains, which comprises an acrylate type repeating unit (I) wherein a...
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5552260 |
Shoot and run printing materials
Acid-sensitive polymers and imageable articles employing them are disclosed. In particular, photosensitive compositions are disclosed comprising: (a) a photoinitiator which generates an acid upon...
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5548018 |
Aqueous primer composition
An aqueous primer composition comprising a copolymer wherein a cationic monomer, a specific alkoxysilane monomer, a silane macromonomer and an ethylenically unsaturated monomer are contained in...
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5539075 |
Unsaturated ethylene-non conjugated diene copolymers and preparation thereof by radical polymerization
The invention concerns an unsaturated ethylene copolymer, a method for producing the ethylene copolymer, and the use of the ethylene copolymer in compositions for producing cross-linked structures,...
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5539016 |
Fluorosilicone hydrogels
Novel fluorosiloxane-containing monomers are disclosed which are especially useful for the preparation of biomedical materials such as contact lenses.
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5536782 |
Binder for electrophotographic toner
Disclosed is an electrophotographic toner binder which comprises a silicone-grafted copolymer produced by radical copolymerization of an organopolysiloxane compound represented by the following...
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5534595 |
Syndiotactic propylene copolymer, preparation of the same, and resin composition containing the same
Disclosed is a syndiotactic propylene copolymer containing 0.01 to 40 mol % of olefin units containing --OH group in the side chain. Of absorption peaks attributed to the methyl groups of the...
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5532398 |
Silanes, process for their preparation and their application to prepare polymers and polycondensates
Silanes of the general formula (I): {X a R b Si(R'(A) c ) (4-a-b) } x B (I) in which the groups and indices have the following meaning: X: hydrogen, halogen, hydroxy, alkoxy, acyloxy,...
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5532329 |
Copolymers and mixtures which are self-curable with atmospheric humidity
Copolymers which are self-curable with atmospheric humidity and are based on acrylic, methacrylic and/or vinyl esters which have been prepared using silicon-containing regulators, and mixtures of...
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5527870 |
Process for the preparation of isobutylene polymer
An isobutylene is polymerized in the presence of an aromatic initiator and a catalyst under the conditions that either a chlorinated hydrocarbon or an aromatic hydrocarbon is used singly or in...
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5525688 |
Highly active π-allynickel-based polymerization initiators
A π-allylnickel/counterion complex is reacted with a hologenated ketone to produce a highly active polymerization initiator.
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5525691 |
Surface modification of polymeric objects
A class of polymerizable surfactants are described by the formula DC(A x B y ) wherein A is a monomer unit derived from at least one ethylenically unsaturated hydrophilic monomer, B is a monomer...
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