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WO/2001/083494A1 |
A process for producing a powdery phosphazene compound which comprises kneading an oily phosphazene compound at a temperature which is lower by at least 5°C than the melting point of the phosphazene compound and at which the oily state ...
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WO/2001/083495A1 |
A process for producing a phenoxyphosphazene compound which comprises treating a phenoxyphosphazene compound with either (a) at least one adsorbent selected among activated carbon, silica gel, activated alumina, activated clay, synthetic...
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WO/2001/080919A2 |
The invention relates to a polymer that is anti-thrombogenic and well-tolerated by the body and that is used for producing coverings and films as a component of therapeutic devices used for preventing an excessive cell proliferation. The...
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WO/2001/072899A1 |
A flame-retardant polycarbonate resin composition which comprises: 100 parts by weight of a resin consisting of (A) 60 to 99 wt.% polycarbonate resin and (B) 40 to 1 wt.% polycarbonate copolymer containing phosphorous atoms in the main c...
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WO/2001/070296A1 |
The present invention relates to polyphosphazene derivatives and their use, having excellent biocompatible properties and imparting bacterial resistance to a coating of an article such as a medical device. In particular, the coating is a...
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WO/2001/070844A1 |
A flame-retardant epoxy resin composition excellent in heat resistance and moist resistance. It is characterized in that it comprises (A) an epoxy resin, (B) a phosphazene compound, (C) an epoxy hardener, and (D) an inorganic filler, tha...
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WO/2001/070904A1 |
A flame retardant which has excellent heat resistance and is less apt to cause juicing or a mold deposit during molding. The flame retardant is characterized by comprising a polymer comprising structural units derived from at least one p...
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WO/2001/068052A2 |
Featured are biodegradable polymers comprising repeat units derived from cyclic phosphate monomers and optionally further comprising repeat units derived from lactide or caprolactone monomers. Also featured are methods for preparing the ...
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WO/2001/061797A1 |
Disclosed are cost-effective, compact, optically pumped, high gain, rare earth polymer materials such as, erbium (Er?3+¿) perfluoro polymers, optical fibers made from the materials and waveguide amplifiers made from the materials having...
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WO/2001/061803A2 |
In accordance with the invention, the present invention provides for a polymer comprised of a general composition. The polymer has a first rare earth element, a second rare earth element, one of the elements of Group VI¿A?, one of the e...
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WO/2001/061802A2 |
The present invention provides a polymer blend comprising a general composition including a rare earth element, an element of Group VI¿A?, an element of Group V¿A?, a first fully halogenated organic group, a second fully halogenated or...
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WO/2001/057050A1 |
Compounds of formula (I), wherein each of R and R' are independently selected from hydrogen, a hydroxyl group, a carboxyl group, an alkyl, aryl or alkaryl group or a hydroxy or carboxy substituted alkyl, aryl or alkaryl group, provided t...
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WO/2001/052266A1 |
The present invention provides high density, non-volatile memory devices incorporating polymers comprised of sandwich coordination compounds (fig.5, fig.6). Such polymers can have multiple different and distinguishable oxidation states (...
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WO/2001/036516A1 |
The present invention relates to novel biodegradable polyphosphazenes represented by Formula 1 and a preparation method thereof. Polyphosphazenes of the present invention not only have thermosensitiviy and biodegradablility simultaneousl...
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WO/2001/034682A1 |
A polymer material comprising a backbone containing nitrogen and one or more of sulfur and phosphorous, and at least one side chain, wherein either said at least one side chain or said backbone includes a phosphorescent dye agent.
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WO/2001/034683A1 |
High refractive index, melt processable polyphosphonates and methods for preparing the same are provided. These poylmers are particularly useful for optical and ophthalmic parts, such as lenses. A method of preparing optical and ophthalm...
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WO/2001/029115A1 |
The present invention provides an ionomer-type luminescent polymer whose heat-stability is improved by the formation of ionic cross-linkage, and electroluminescent devices employing the same as a luminescent layer. The ionomer-type lumin...
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WO/2001/023663A1 |
An aqueous finishing composition for cellulose-containing materials, comprising a hydroxyalkyl-functional organophosphorus flame retardant (which contains a substantially non-volatile component at the curing temperature) and a non-formal...
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WO/2001/021684A1 |
A polymeric composition, a process for producing the composition, and a process for using the composition in, for example, hydrocyanation or isomerization are disclosed. The composition comprises repeat units derived from (1) a carbonyl ...
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WO/2001/018094A1 |
A polymer electrolyte which contains a high-molecular boron compound and thereby has a heightened transport number with respect to charge carrier ions; and an electrical device containing the polymer electrolyte. The high-molecular boron...
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WO/2001/007505A1 |
Compositions of polyphosphazene-containing polymers and methods of preparation thereof are provided. The disclosed compositions encompass telechelic functionalized polyphosphazenes and a variety of block and graft polyphosphazene-polysty...
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WO/2000/071553A1 |
The present invention relates to novel aluminosiloxane compounds which have the characteristics to be prepared from waste silicone compounds and to be advantageously used as siloxylating agent for various organic and inorganic materials,...
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WO/2000/068739A1 |
A photosensitive polymerisable composition, which comprises at least one cyclic and/or oligomeric compound composed of structural units of formula (I), wherein R is identical or different radicals of formula -(A)-O-C(O)-C(R¿1?)=CH¿2?, ...
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WO2000019976A9 |
The invention comprises biodegradable terephthalate polymers comprising the recurring monomeric units shown in formula (I), wherein R is a divalent organic moiety; R' is hydrogen, an aliphatic, aromatic or heterocyclic residue; x is >/= ...
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WO/2000/056741A1 |
The invention relates to polymeric phosphinic acids and the salts thereof represented by general formula (I), wherein X means hydrogen or a 1/m metal of the valence m; R¿1?, R¿2? are equal or different and stand for hydrogen, a carboxy...
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WO/2000/052531A1 |
A composition is derived from an addition polymerizable organotitanium polymer which upon exposure to an oxygen plasma or baking in air, is converted to titanium dioxide (titania) or is converted to a mixed, titanium-containing metal oxi...
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WO/2000/052081A1 |
The invention concerns optically active polymers, obtainable by polymerising chiral diphosphine having a C¿2? axis of symmetry, excluding all other symmetry element, with one or several polymerisable monomers, said chiral diphosphine co...
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WO/2000/049429A1 |
A melt polymerization method for producing poly(arylene ethers phosphine oxide)s suited to optical applications comprising reacting a trimethyl silyl derivative of bisphenol and an activated aromatic dihalide, wherein either reactant is ...
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WO2000009578A9 |
A composition of matter, comprising: a chemically functionalized carboxylate-alumoxane that is functionalized with a chemically reactive substituent, and a reactive compound, wherein the chemically reactive substituent reacts with the re...
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WO/2000/025826A1 |
The present invention pertains to biodegradable polymers comprising a non-polymerizable lactone, biodegradable compositions comprising the polymer and a therapeutic agent, the use of the compositions for the sustained release of therapeu...
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WO/2000/024364A1 |
The present invention relates to compositions consisting essentially of a narrow dispersity trimethylsilylated silica in a volatile and/or non-volatile silicone-aliphatic hydrocarbon hybrid fluid. Improvements in the range of properties ...
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WO/2000/022052A1 |
The invention relates to high-temperature resistant polymerizable metal oxide particles with a glass transition temperature of the homopolymerizate $m(G)100 °C and having a core A. Said core consists of an oxide of a metal or semimetal ...
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WO/2000/017209A1 |
A catalytically active aluminoxane can be synthesized from a precursor formed by the combination of at least one trialkylaluminum compound, such as trimethylaluminum, and at least one organoaluminum compound containing a carbon-oxygen bo...
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WO1999037705A9 |
Highly mesoscopically ordered, hydrothermally stable and ultra large pore size metal oxide-block copolymer composite or mesoporous films, fibers, and monoliths are formed using amphiphilic block copolymers which act as structure directin...
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WO/2000/009515A1 |
A composition comprising a mixture of aluminum containing Lewis acids, said mixture corresponding to the formula: (Ar?f¿¿3?Al)(AlQ?1¿¿3?)¿y?(-AlQ?2¿-O-)¿z? where Ar?f¿ is a fluorinated aromatic hydrocarbyl moiety of from 6 to 30 ...
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WO/2000/009518A1 |
A flame retardant which has advantages, for example, that it is halogen-free, has a high melting point, is lowly volatile, and does not impair the properties inherent in resins. The flame retardant comprises a cross-linked phenoxyphospha...
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WO/2000/004074A1 |
A method for making poly(dichlorophosphazene) using solid state reactants is disclosed and described. The present invention improves upon previous methods by removing the need for chlorinated hydrocarbon solvents, eliminating complicated...
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WO/2000/002869A1 |
Salt of a 1,3,5-triazine compound with polyphosphoric acid with a virtually linear structure, with the number average degree of condensation n being higher than 20, the content of the 1,3,5-triazine compound being higher than 1.1 mole pe...
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WO/1999/055758A1 |
A polymer having a backbone repeat unit that includes at least two metal atoms bonded to each other and only one ethylenically unsaturated functional group wherein the backbone unit preferably has a structure of: -C(R?3¿)=C(R?3¿)-[C(R?...
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WO/1999/054412A1 |
The invention relates to a solid, meltable and thermohardening mass, comprising condensates (K) derived from at least one hydrolyzable silane and possibly one or more hydrolyzable metal compounds. Groups (A) positioned on the central ato...
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WO/1999/046314A1 |
A flame-retardant resin composition containing a flame-retardant resin which is a polyester resin having a phosphazene flame retardant bonded to the polymer molecules through ester groups. It is reduced in volatilization with time, retai...
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WO/1999/032537A1 |
There is described a polymeric material comprising at least one repeat unit, the or each (if more than one) repeat unit consisting substantially of a moiety of Formula (1) in which: Y?1¿ represents, independently if in different repeat ...
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WO/1999/023100A1 |
Azaboroxines of formula (I) wherein R and R', which may be the same or different, each represents an alkyl, an aryl, a cycloalkyl or heterocyclic group which may be unsubstituted or substituted with a least one halogen atom, R possibly a...
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WO1999000446A9 |
A process for making a high molecular weight poly(phosphoester) comprising the recurring monomeric units of formula (I), wherein X is -O- or -NR"-, where R" is H or alkyl; L is a divalent organic moiety, with the proviso that L cannot ha...
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WO/1999/016477A2 |
The invention relates to a radioactively marked antithrombogenic polymer and the use thereof as a component of therapeutic devices for preventing excessive cell proliferation or scarring. The invention also relates to devices which conta...
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WO/1999/009038A1 |
A process for producing a polyorganophosphazene from a polyhalophosphazene. The polyhalophosphazene is reacted with a metal salt of an alkyl ester of hydroxybenzoic acid wherein the metal salt of the alkyl ester of hydroxybenzoic acid is...
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WO/1999/009072A1 |
This invention relates generally to optic devices such as lenses, (monofocal and multifocal), progressive lenses, lens blanks, and lens preforms having a specific formula.
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WO/1999/002537A1 |
A surfactant composition comprising formula (1): wherein X is (2): wherein R and R¿1? independently represent the same or different C¿1? to C¿36? straight or branched chain alkyl, alkylene, aryl, alkylaryl and arylalkyl, said R and RÂ...
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WO/1998/058014A1 |
A method for producing a polyorganophosphazene, such as, for example, poly[di(carboxylatophenoxy)phosphazene], from polydichlorophosphazene. The polydichlorophosphazene is reacted with at least one nucleophilic reagent at a defined molar...
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WO/1998/058012A1 |
A process for making a phosphoester polymer comprising the recurring monomeric units of formula (I), wherein X is -O- or -NR'-, where R' is H or alkyl; L is a divalent organic moiety; R' is H, alkyl, alkoxy, aryl, aryloxy, heterocyclic, ...
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