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Matches 401 - 450 out of 3,602

Document Document Title
WO2001091725A3
The present invention provides biodegradable polymers, polymer compositions, particles composed thereof and methods of using same for the controlled release of a biologically active substance to a specified tissue or cells. Preferred pol...  
WO2001068052A3
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 ...  
WO/2002/011228A1
The invention is a breakthrough in solid polymer-based electrolytes for battery applications. It uses molecular technology, coupled with unique preparation techniques to render a self-doped, stabilized electrolyte material suitable for i...  
WO2001061802A3
The present invention provides a polymer blend comprising a general composition including a rare earth element, an element of Group VIA, an element of Group VA, a first fully halogenated organic group, a second fully halogenated organic ...  
WO2001061803A3
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 VIA, one of the elem...  
WO/2002/002673A1
Co-substituted linear polyphosphazene polymers that useful in gel polymer electrolytes having an ion conductivity at room temperature of at least about 10?-5¿ S/cm and comprising (i) a polyphosphazene having controlled ratios of side ch...  
WO/2001/099209A2
Orthoborate salts suitable for use as electrolytes in lithium batteries and methods for making the electrolyte salts are provided. The electrolytic salts have one of the formulae (I). In this formula anionic orthoborate groups are capped...  
WO/2001/098396A1
Novel conductive polyanionic polymers and methods for their preparion are provided. The polyanionic polymers comprise repeating units of weakly-coordinating anionic groups chemically linked to polymer chains. The polymer chains in turn c...  
WO/2001/096446A1
Novel chain polymers comprising weakly basic anionic moieties chemically bound into a polyether backbone at controllable anionic separations are presented. Preferred polymers comprise orthoborate anions capped with dibasic acid residues,...  
WO/2001/091725A2
The present invention provides biodegradable polymers, polymer compositions, particles composed thereof and methods of using same for the controlled release of a biologically active substance to a specified tissue or cells. Preferred pol...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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 (...  
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...  
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.  
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...  
WO2000071553A8
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,...  
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...  
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...  
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 ...  
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...  
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...  
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,...  
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?, ...  
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 >/= ...  
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...  
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...  
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...  
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 ...  
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...  
WO2000019976A3
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 >/= ...  
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...  
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 ...  
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 ...  
WO/2000/019976A2
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 $m(G...  
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...  
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...  
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 ...  
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...  
WO/2000/009578A1
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...  

Matches 401 - 450 out of 3,602