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Matches 501 - 550 out of 3,558

Document Document Title
WO/1995/028150A1
Chalcone- and cinnamate-bearing polyphosphazenes, and methods for their preparation, are disclosed. The polyphosphazene derivatives can be prepared by derivatizing polydichlorophosphazene with one or more chalcone or cinnamate groups, or...  
WO/1995/024368A1
Synthesis and characterization of polycarbynes, a new class of carbon-based random network polymers (1). The network backbones of the polymers are composed of tetrahedrally hybridized carbon atoms (101), each bearing one substituent and ...  
WO/1995/023160A1
Compounds are provided having structure (I), wherein the L groups are backbone segments, the Y and T groups are functional groups for interacting with target molecules of interest, the X groups are oxygen or sulfur and the E groups are H...  
WO/1995/020593A1
(1) A process for producing a pure organophosphorus alkyl ester compound represented by general formula (1), which comprises esterifying a reaction mixture formed by the reaction between a dichlorophosphine derivative and (meth)acrylic a...  
WO/1995/019184A1
Compositions, methods for preparing and methods of using contrast agent-filled polymeric microparticles for imaging are disclosed. In a preferred embodiment, air-encapsulating microparticles are formed by ionotropically gelling synthetic...  
WO/1995/018792A1
Novel pyrrolidine monomers bearing various functional groups are used to prepare oligomeric structures. The pyrrolidine monomers can be joined via standard phosphate linkages including phosphodiester, phosphorothioate, and phosphoramidat...  
WO/1995/018820A1
Novel ethylene glycol compounds bearing various functional groups are used to prepare oligomeric structures. The ethylene glycol monomers can be joined via standard phosphate linkages including phosphorothioate, phosphodiester, and phosp...  
WO/1995/016715A1
A process is described for flame-proofing organic polymeric materials by means of a low temperature plasma treatment in the presence of at least one volatile, low-molecular compound. The process comprises subjecting a volatile compound, ...  
WO/1995/012630A1
The compositions of this invention comprise uncrosslinked reaction mixtures comprising (1) at least one organic monomer, oligomer or polymer comprising a multiplicity of organic, electrophilic substituents, and (2) at least one metal-con...  
WO/1995/011528A1
Solid polymeric electrolytes are composed of a solid polymeric matrix formed by polymerization of organophosphorus compounds.  
WO/1995/007315A1
Unimolecular micelles, generally referred to as cascade polymers, are constructed via the addition of successive layers, or tiers, of designed monomers, or building blocks, that possess a predetermined, branched superstructure consisting...  
WO/1995/003356A1
Particles are provided that are not rapidly cleared from the blood stream by the macrophages of the reticuloendothelial system, and that can be modified to achieve variable release rates or to target specific cells or organs. The particl...  
WO/1995/002415A1
An immunoadjuvant soluble polyphosphazene polyelectrolyte is disclosed. In one embodiment, the polymeric adjuvant is a poly(organophosphazene) with (i) ionized or ionizable pendant groups that contain, for example, carboxylic acid, sulfo...  
WO/1995/002416A1
Water soluble polymers or polymeric hydrogels are used to encapsulate antigen to form vaccines. The antigen is mixed with a polymer solution, microparticles are formed of the polymer and antigen, and, optionally, the polymer is crosslink...  
WO/1995/002628A1
An immunoadjuvant soluble phosphazene polyelectrolyte is disclosed. In one embodiment, the polymeric adjuvant is a poly(organophosphazene) with (i) ionized or ionizable pendant groups that contain, for example, carboxylic acid, sulfonic ...  
WO/1994/024052A1
A method of making metal oxide clusters in a single stage by reacting a metal oxide with a substoichiometric amount of an acid in the presence of an oxide particle growth terminator and solubilizer. A method of making a ceramer is also d...  
WO/1994/021712A1
This invention relates to polymetallooxanes having moiety (I) wherein n is 1.5, 2, 3, 4, 5 or 6, M1 is selected from the group consisting of Si, Ge, Sn, Al, Ga, Ti, Zr or Hf, R1 and R2 are selected from the group consisting of H, OH, C1-...  
WO/1994/015882A1
Glassy coatings are made by curing in situ a coating of a sol gel of boron triethoxide, water, alcohol, and the alkoxides of: titanium and zirconium. A platey filler such as mica is present. The coating may be applied to teeth as a denta...  
WO/1994/014822A1
The present invention relates to polyvalent metal salts of a phosphoric diester represented by formula (1) and organo(poly)siloxanes modified with a polyvalent metal salt of a phosphoric diester having the structural units represented by...  
WO/1994/013730A1
This invention relates to a new class of novel inorganic-organic hybrid polymers that are formed from linear inorganic-organic hybrid polymers of varying molecular weight. These new high temperature oxidatively stable thermosetting polym...  
WO/1994/012442A1
The present invention relates to new glass/polymer composites and methods for making them. More specifically, the invention is glass/polymer composites having phases that are at the molecular level and thereby practicably indistinguishab...  
WO/1994/006851A1
Particulate expandable thermoplastic polymers containing a) at least one organic boron-silicon compound, b) at least one thermoplastic polymer and c) a foaming agent, process for producing them and the foamed materials made with the use ...  
WO/1994/004614A1
Porphyrins substituted with, for example, vinyl and acetylene groups are provided, along with polymers containing the same. In preferred embodiments, the substituted porphyrins are prepared by coupling halogenated porphyrins with anionic...  
WO/1993/025605A1
The present invention relates to a lacquer obtained by the process comprising the steps of: (i) precondensation of: a) 1 to 10 mol % of at least one zirconium compound of the formula ZrR4; b) 20 to 94 mol % of at least one organic silane...  
WO/1993/022373A1
A flame-retardant additive is provided comprising a source of phosphorus and a polymer or oligomer which is a phosphorus/nitrogen-containing oligomer or polymer. These additives are found to be particularly suitable for use in polymer ma...  
WO/1993/016988A1
Perhalogenated sultone-derived monomers, a preparation method therefor, polymers produced therefrom, and uses thereof for producing ionically conductive materials. The monomers are cpmpounds having the following formula: A-CFX-SO2Z, wher...  
WO/1993/012256A1
This invention relates to a new electrochemiluminescent (ECL) label for oligonucleotides using phosphoramidite chemistry.  
WO/1993/012468A1
This invention relates to novel radiation sensitive compositions. More particularly the invention relates to photoresists containing phosphorus and nitrogen linked polymers; i.e., polyphosphazenes, useful in the preparation of a relief p...  
WO/1993/008122A1
Contrast agent for X-ray imaging, consisting of a halogenated, especially iodinated or brominated, derivative of boron, having characteristics necessary for its use in X-ray imaging. The contrast agent may be used for imaging a corporeal...  
WO/1993/006148A1
Compounds used as contrast agents in MRI are described. The compounds comprise a copolymer comprising at least two of a first monomer of the formula: X¿1?-(CHR¿2?CHR¿2?-Y)¿n?-(CHR¿2?)¿m?-CHR¿2?CHR¿2?-X 2?, wherein X and X¿2? a...  
WO/1993/002088A1
Linear or cyclic germanium compounds are provided for use as biocompatible oil in human or animal biology and have formula (I), wherein n = 1-50, and radicals R are the same or different and are selected from hydrocarbyl radicals.  
WO/1993/000879A1
Glassy coatings are made by curing in situ a coating of a sol gel of tetraethoxysilicon, water, alcohol, and the alkoxides of: Al, Ti and Na; or of Na and Zr. The coating may be applied to teeth as a dental fissure sealant or varnish to ...  
WO/1993/001226A1
A polymeric composite of an organic polymer and an inorganic glassy polymer and a process for making such composites which are useful as protective coatings and as nonlinear optical elements.  
WO/1992/016028A1
Ionically conducting polymer materials, their preparation and their use as a solid electrolyte are disclosed. The materials consist of a solid solution of one or more salts in a polymer and are characterized in that the transport and mob...  
WO/1992/015099A1
Derivatives of macrocyclic compounds capable of forming columnar stacks in the solid phase such as porphyrin and phthalocyanines which are capable of forming hydrogen bonds have been found to exhibit enhanced conduction properties. A pre...  
WO/1992/009549A1
A process for the preparation of a zinc-containing polymeric material which process includes providing a divalent metal compound including zinc; a polyhydroxy compound; and a catalyst; mixing the divalent metal compound and the polyhydro...  
WO/1992/005778A1
A method for encapsulating biologically-labile materials such as proteins, liposomes, bacteria and eucaryotic cells within a synthetic polymeric capsule, and the product thereof, are disclosed. The method is based on the use of a water-s...  
WO/1992/002571A1
An amorphous ionically conductive macromolecular solid having improved ambient temperature ionic conductivity. It comprises a macromolecular solid which carries a negative charge and has a positively charged ionic species associated with...  
WO/1992/001005A1
Olefin polymerization catalysts, and methods for their preparation, comprising a metallocene and the reaction product of a hydrocarbylaluminum with a trihydrocarbylboroxine. The catalyst may be homogeneous or supported.  
WO/1991/018942A1
Polyphosphazenes are produced by polymerizing a silylated phosphinimine in the presence of an initiator, preferably an anionic initiator at temperatures below those typically necessary for such polymerization reactions. The polyphosphaze...  
WO1991012555A3  
WO/1991/012555A2
The specification identifies dithiolenes which give good performance as the critical region of an optical switch. The dithiolenes have the formula shown in Figure 1 wherein: (A) the R groups, any two of which may be the same or different...  
WO/1991/009080A1
The invention provides fibers formed of a blend of metal oxide, such as titanium or zirconium oxide, with etheric phosphazene. The invention optionally contains salt for antistatic fibers. The composition of the invention is formed by pr...  
WO/1991/009033A1
A polymer composition is disclosed composed of morpholino subunit structures linked together by uncharged, phosphorous-containing chiral linkages, one to three atoms in length. These chiral linkages join the morpholino nitrogen of one su...  
WO/1991/008241A1
New hybrid materials prepared by incorporating a metal alkoxide sol, which is adapted to yield a high refractive-index metal oxide (e.g., titanium dioxide or zirconium dioxide), with a high refractive-index organic polymeric component (e...  
WO/1991/007522A1
The invention concerns complexes of a metal of group 8 to 11 of the periodic table with at least one organic ligand, characterized by the fact that the complex is in oligomeric to polymeric multi-nucleus form and the organic ligand conta...  
WO/1991/005003A1
A phosphonium compound of formula (I), wherein n is an integer equal to or higher than 2; x is between 1 and n, and Ay, for y between 0 and n, represents N or P, said compound comprising at least two phosphonium of which at least one is ...  
WO/1991/004668A1
A composition intended for disinfecting liquids and/or surfaces or for preserving food or drink. The composition comprises at least one quaternary phosphonium compound and at least one quaternary ammonium compound of formula (I) having a...  
WO/1991/002766A1
Phosphine oxide-containing polyarylene ethers and sulfides can be reacted with organoamines to form novel graft copolymers (with monofonctional amines) or novel crosslinked thermosetting network compositions (with multifunctional amines)...  
WO1990012835A3  

Matches 501 - 550 out of 3,558