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| Number | Title | Issue Date |
| 7732549 | Multi-branched polymer The aim of the present invention is to provide a multi-branched polymer, in which branch terminals can be easily modified and which have a high degree of branching and narrow dispersion. By polymerizing a compound having 2 or more polymerization-initiation sites and... | 06/08/2010 |
| 7625988 | Flame retardant polymers having pendant groups related to bisphenol-C and monomers for synthesis thereof The present invention is directed to novel flame retardant monomers and polymers, wherein the flame retardant properties of the polymers are provided by functionality in pendant groups attached to a polymer backbone (as opposed to the polymer backbone itself possess... | 12/01/2009 |
| 7338533 | Methods of fire retarding textiles with aqueous suspensions of pentabromobenzyl acrylate A process for the fire retardation of textile materials comprising applying to the textile materials aqueous suspensions of finely ground pentabromobenzyl acrylate particles, suspending agents chosen from xanthan gums, anionic purified suspending agents, nonionic pu... | 03/04/2008 |
| 7317060 | Aqueous suspensions of pentabromobenzyl acrylate Suspensions of PBBMA, characterized in that they comprise PBBMA in the form of finely ground particles and contain suspending agents chosen from among xanthene gums, anionic or nonionic purified, sodium modified montmorilonite, naphthalene sulfonic acid-formaldehyde... | 01/08/2008 |
| 7297810 | High refractive index monomers for optical applications The present invention includes optical coatings containing ultraviolet curable monomers employing a bromine substituted fluorene structure. The fluorene backbone of the monomers of the present invention may also be functionalized with one or more polymerizable or re... | 11/20/2007 |
| 6967232 | High-molecular gelling agent precursor for electrolyte A high-molecular gelling agent precursor for an electrolyte comprises a copolymer formed of (A) a hydrophobic monomer having a hydrophobic group, which forms a carboxyl group upon saponification, and (B) a hydrophobic polyfunctional monomer. The saponification produ... | 11/22/2005 |
| 6815498 | Method for producing a polymeric conversion product A process for the preparation of a reaction product (A), which comprises the following stage (i): (i) Reaction, under free radical conditions, of a reaction mixture comprising at least one monomer (a), capable of free radical react... | 11/09/2004 |
| 6787621 | Vinyl group-containing diarylethene and polymer thereof having excellent optical properties Vinyl group-containing diarylethene monomers and photochromic polymers made there from. The diarylethene monomers may be suitable for controlled polyermerization. Polymers formed from the diarylethene monomers may have optical properties such as, for example, optica... | 09/07/2004 |
| 6767979 | Crosslinked polymers and refractive devices formed therefrom A polymer is formed of ethylenically unsaturated monomers including a zwitterionic monomer, an aromatic monomer and a cross-linking monomer. Preferably the crosslinking monomer includes at least one a group containing compound and at least one aliphatic group contai... | 07/27/2004 |
| 6703466 | Foldable intraocular lens optics having a glassy surface Foldable intraocular lenses having a reduced risk of posterior capsule opacification are disclosed. The foldable intraocular lenses have optics that are prepared such that their surface is glassy and their bulk is rubbery.... | 03/09/2004 |
| 6653422 | Foldable ophthalmic and otorhinolaryngological device materials Disclosed are soft, high refractive index, acrylic materials having an elongation of at least 150%. These materials, especially useful as intraocular lens materials, contain an aryl acrylic hydrophobic monomer as the single principal device-forming monome... | 11/25/2003 |
| 6610809 | Polymer, producing method thereof, and photorefractive composition A photorefractive composition comprising a polymer prepared by living radical polymerization, wherein: the living radical polymerization is carried out using a monomer, a polymerization initiator, transition metal catalyst and a ligand capable of reversib... | 08/26/2003 |
| 6528602 | Foldable ophthalmic and otorhinolaryngological device materials Disclosed are soft, high refractive index, acrylic materials having an elongation of at least 150%. These materials, especially useful as intraocular lens materials, contain an aryl acrylic hydrophobic monomer as the single principal device-forming monome... | 03/04/2003 |
| 6506836 | Method for producing a polymer reaction product A process for preparing a reaction product (A), comprising the following stage (i): (i) reacting under free-radical conditions a reaction mixture comprising at least one free-radically reactable monomer (a) in the presence of at least one free-radical ini... | 01/14/2003 |
| 6399731 | Chain transfer agents and its use in polymer synthesis A method for making a polymer comprising the step of synthesizing a polymer by employing a chain transfer agent having the formula (II) ##STR1## where X and Y are independently selected from oxygen, sulfur, and fully-substituted nitrogen where R1 | 06/04/2002 |
| 6355754 | High refractive index chemical composition and polymers and polymeric material derived therefrom Described are a polymerizable composition comprising an alkyl-substituted brominated phenolic ester (meth)acrylate monomer having an index of refraction of at least 1.50, and, polymeric materials derived therefrom.... | 03/12/2002 |
| 6235857 | Control of molecular weight and end-group functionality in polymers This invention relates to a process for the production of lower molecular weight polymers by free radical-initiated polymerization of unsaturated species characterized by the use of an unsaturated compound of Formula I as a chain transfer agent: ##ST... | 05/22/2001 |
| 6028156 | Process for the preparation of poly-(halobenzyl acrylate) A process for the preparation of thermally stable polymers of the formula I: ##STR1## wherein n+m=1 through 5, and x denotes the degree of polymerization, comprises polymerizing monomers of the formula Ia: ##STR2## wherein n+m=1 through 5, ... | 02/22/2000 |
| 5922821 | Ophthalmic lens polymers High refractive index copolymers suitable for use in ophthalmic lenses, such as foldable intraocular lenses, are disclosed. The high refractive index copolymers of the present invention consist essentially of (i) one or more monomers having the structure:... | 07/13/1999 |
| 5741847 | Polymer polyols containing halogenated aromatic monomers and polyurethane foam made therefrom A polymer polyol is produced by a process comprising free radical polymerizing an addition polymerizable di-(substituted phenyl)monomer (e.g., methacrylic ester of diglycidylether of tetrabromobisphenol A) component in the presence of a polyol, wherein th... | 04/21/1998 |
| 5349035 | Copolymerization process and optical copolymer produced therefrom A process for preparing a copolymer suitable for use in an optical element which comprises the step of radically-polymerizing a composition which comprises at least one first monomer represented by formula (I), at least one second monomer represented by a... | 09/20/1994 |
| 5328973 | Radiation-sensitive mixture with a polymeric binder containing units of ,ଲ-unsaturated carboxamides A radiation-sensitive mixture which contains a polymeric binder having acid-labile side groups and a compound which generates a strong acid on irradiation wherein the binder is a polymer built up from novel amides of ,ଲ-unsaturated carboxylic... | 07/12/1994 |
| 5324791 | Antistatic and electrically conducting composition The action of thermoplastic polymers to whose polymer backbone aliphatic or cycloaliphatic groups are bonded via a group --O--, --O--CO--, --CO--OR22 --OCO-- or --CO--O--, said aliphatic or cycloaliphatic groups being substituted by Cl, Br and/... | 06/28/1994 |
| 5290892 | Flexible intraocular lenses made from high refractive index polymers High refractive index copolymers comprised of monomers having the formula: ##STR1## wherein X is H or CH3 ; m is 0-10; Y is nothing, O, S, or NR wherein R is H, CH3, Cn H2n+1 ; (n=114 10) iso OC3 H | 03/01/1994 |
| 5274060 | Copolymers crosslinkable by acid catalysis Copolymers having a molecular weight (Mw) of from 103 to 106, measured by gel-permeation chromatography, that are crosslinkable by acid catalysis and that consist of a) 100-80 mol. % of structural repeating units of formulae I and II ... | 12/28/1993 |
| 5227443 | Flame retardant polymer with stable polymeric additive Polymeric compositions, such as thermoplastic molding compositions, are rendered flame retardant by blending the base polymer with a stable interpolymer prepared by copolymerizing a brominated monovinyl aromatic monomer, a methacrylic acid ester and, opti... | 07/13/1993 |
| 5200492 | Polymer blends Polymer blends comprising a copolymer (A) which comprises 50 to 98% by weight of units from methyl methacrylate, 2 to 50% by weight of units from an acrylate and/or methacrylate having a halogen-substituted aromatic ring, and 0 to 25% by weight of units f... | 04/06/1993 |
| 5194511 | Organic nonlinear optical materials derived from vinylidene cyanide-vinyl-p-acetoxy-benzoate copolymers There is disclosed an organic nonlinear optical material which comprises a polymer having the following constitutional units, in amounts of 5 to 100 mole % of (I) and 0 to 95 mole % of (II), and a weight average molecular weight (Mw) of the polymer being ... | 03/16/1993 |
| 5078918 | Novel flame-retardant compositions Novel flame-retardant composition incorporate as an active ingredient pentabromobenzylester monoacrylate, of a product of its in situ reaction. Articles made of flammable synthetic resins can be rendered flame-retarded by the incorporation of the novel flame-r... | 01/07/1992 |
| 5045618 | Flame-retardant compositions A novel flame-retardant material is prepared by copolymerizing pentabromobenzyl-acrylate with a metal salt of a compound of Formula I: ##STR1## wherein R1 is H or lower alkyl, and R2 is selected from H, lower alkyl and ##ST... | 09/03/1991 |
| 5034485 | Multifunctional cyclobutarene peroxide polymerization initiators Multifunctional cyclobutarene peroxide polymerization initiators comprising at least one cyclobutarene moiety linked through the aromatic ring to at least one peroxide containing group which catalyze free radical polymerizations, as well as participate in... | 07/23/1991 |
| 4996276 | Process for the polymerization of pentabromobenzylester monoacrylate A process is described, in which poly(pentabromobenzylester acrylate) is prepared by the thermal bulk polymerization of pentabromobenzylester monoacrylate. A product with excellent properties is obtained with short reaction times and without any additive.... | 02/26/1991 |
| 4994539 | Method for improving impulse destructive stength of electrical insulating materials The present invention provides a method for improving impulse destructive strength of an electrical insulating material which is characterized by employing, as said electrical insulating material, an ethylene copolymer prepared by subjecting, to a high-pr... | 02/19/1991 |
| 4939219 | Coating compositions for preventing adhesion of aquatic organisms Disclosed is a coating composition for preventing adhesion of aquatic organisms, the composition containing as a vehicle component a copolymer prepared by copolymerizing about 5 to about 85% by weight of (A) a monohydric and/or polyhydric phenol ester of ... | 07/03/1990 |
| 4898915 | Alternating copolymerization of donor monomers having protected amine groups with acceptor monomers A composition and process for making an alternating copolymerization of acceptor monomers such as acrylic acid and derivatives thereof and donor monomers containing free amine groups therein such as an aminostyrene compound. The free amine groups are init... | 02/06/1990 |
| 4871819 | Ethylene copolymer and process for the production thereof A copolymer of ethylene and an ethylenically ,ଲ-unsaturated acid halogenated phenyl ester represented by the formula (1): ##STR1## (wherein R is hydrogen or a methyl group, X is a halogen atom, Y is an alkyl group having 4 to 18 carbon a... | 10/03/1989 |
| 4769448 | Electrically conductive liquid crystalline substance and polymer An electrically conductive liquid crystalline substance represented by the general formula L-S1 -CT or L-CT, wherein L is a residue of a liquid crystalline substance, S1 is an atom or atomic grouping which becom... | 09/06/1988 |
| 4705836 | Polymerization composition containing vinyl benzoic acid or a derivative thereof and a vinyl compound Composites comprising (A) general formula (I), compound of ##STR1## [in the formula, R1 indicates either hydrogen or methyl group and R2 indicates hydrogen, alkyl radical with carbon number 1-5 to be possibly substituted with h... | 11/10/1987 |
| 4658001 | Peroxycarbonate group-containing copolymer and method for manufacture thereof A random copolymer comprising specific groups represented by the general formula: ##STR1## and specific peroxycarbonate structural units represented by the general formula: ##STR2## is produced by a method which comprises causing a compound... | 04/14/1987 |
| 4644025 | Lens materials of high refractive indexes Compositions each comprising a copolymer of a specific allylic or (meth)acrylic compound of an iodine-substituted benzoic acid derivative and a comonomer have a refractive index nD20 of at least 1.58 and an Abbe's number of at least ... | 02/17/1987 |
