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Patent Searching and Data


Matches 401 - 450 out of 5,187

Document Document Title
WO/1999/052953A1
The invention relates to a method for hydrogenating polymers, optionally in the presence of catalysts, whereby branched hydrocarbons are used as solvents, possessing no more than one hydrogen atom at the branch point and having a boiling...  
WO/1999/053387A1
A process simulator and modeling methodology employs instantaneous property measures. The instantaneous measures of various polymer properties are tracked throughout the subject polymer manufacturing system and used to calculate respecti...  
WO/1999/052962A1
A multidimensional copolymer array of a plurality of copolymers, polymerized from at least two independently variable sets of monomers, is created. The homologous variations of the monomer series are selected to determine the effect of v...  
WO/1999/051669A1
Ethylene copolymer compositions that are useful for fabricating films and molded articles are disclosed. These compositions contain compounds that react with the copolymer to liberate a gas which forms bubbles in the end product films or...  
WO/1999/050317A1
This invention relates to novel solid support based on selenium and a method for the preparation thereof. The solid support is useful in solid phase synthesis of organic compounds including combinatorial libraries of compounds.  
WO/1999/046305A1
Polymers having pendant fluoroalkylsulfide side chains and processes for their preparation by nucleophilic displacement of halides in preformed polymers using fluoroalkylthiols are disclosed which provide oil and water repellency and ant...  
WO/1999/043638A1
Novel polyindanebisphenols or PIBPs for the preparation of new and improved thermosetting polymers having general formula (I) are provided. Also disclosed are thermoplastic or thermoset compositions prepared using the novel compounds of ...  
WO/1999/042496A1
The invention relates to a radiocommunication device (FG) comprising a display unit (AE) and means for wireless connection to a radio network, especially a cellular radio network. According to the invention, first means are provided for ...  
WO/1999/043025A1
Production of a dielectric coating on a substrate whereby a poly(arylene ethers) or fluorinated poly(arylene ethers) layer is cured by exposure to electron beam radiation. A wide area electron beam is used which causes chemical reactions...  
WO/1999/041060A1
A process to prepare a polymer nanocomposite composition comprising forming a flowable mixture of a polyamide and a silicate material; dissociating at least about 50 % but not all of said silicate material; and subjecting the polyamide i...  
WO/1999/035186A1
The invention relates to a nanocomposite material based on a polymeric matrix and a layered double hydroxide, wherein the polymeric matrix is present in an amount of at least 50 % by weight, based on the nanocomposite material, and where...  
WO/1999/035185A1
The invention relates to a method for preparing a nanocomposite material based on a polymeric matrix and a layered double hydroxide, comprising the steps of: a) providing a layered double hydroxide which contains an amount of anions of a...  
WO/1999/032521A1
Disclosed are silicone polymers comprising: a) formulae (Ia), wherein [A]¿m? and [B]¿n?, individually, is a non-reacting polymeric substituent wherein m + n is an integer of 1 to about 100,000, where one of m or n can be 0; and at leas...  
WO/1999/032529A1
A process for the hydrogenation of a macromolecular organic substrate which process comprises contacting the organic substrate at elevated temperature and at elevated pressure with a catalyst comprising a hydrogenating metal or precursor...  
WO/1999/032540A1
The invention concerns a compound selected among hyperbranched polymers and dendrimers, characterised in that it comprises at least one group of formula (I). The invention also concerns a method for preparing said compounds, and their us...  
WO/1999/032076A1
The invention concerns the use of hyperbranched polymers and dendrimers, comprising at least one group of formula (I) in which: Y represents the oxygen atom or a NH group; and A represents a C¿1?-C¿12? alkane di-yl group, linear, branc...  
WO/1999/028370A1
A method for manufacturing polycarbornate that improves the quality of polycarbonate polymer products and reduces equipment and operating costs. Two horizontally laid, lateral type, cylindrical agitation tanks that have no agitation cent...  
WO/1999/028295A1
Novel aromatic sulfonium compounds of general formula (I), photoacid generators comprising the same, and photopolymerizable compositions containing the same, capable of providing stereolithographic resin compositions which do not suffer ...  
WO/1999/026902A1
The present invention provides the means to suppress epimerisation of the C$g(a) terminal amino acid of a protected peptide sequence during coupling by using the protection moiety shown in (1) which is referred to as a 'precursor linker'...  
WO/1999/025750A1
The method of forming a surface layer on a substrate is accomplished by dendrimerizing a mixture of branched monomers on the substrate surface wherein the monomers introduce heterogeneous functionalized branches and homogeneous connectiv...  
WO/1999/019332A1
Solid-phase-bound processes are disclosed for the systematic preparation of chemical compounds from the group of the phosphinic or phosphonous acids or their derivatives, and corresponding substance libraries which can be used for test p...  
WO/1999/019064A1
The invention concerns a composition based on a grafted metal oxide, its preparation and its use in a polymerisation method by opening oxygenated cycles such as alkyl oxides, cyclic esters or cyclic carbonates. Said composition comprises...  
WO1999005126A8
The invention concerns ionic compounds wherein the negative charge is highly delocalized. The compounds contain at least a perfluorovinyl group and at least a group selected among -O or one of the groups -NCN, -(CN)2, -NSO2R, -C[SO2R]2 o...  
WO/1999/018136A1
An adhesive composition which is switchable under irradiation to change from a tacky to a less tacky state which includes a switchable polymer. The polymer comprises a backbone polymeric moiety bound to a plurality of curable moieties, e...  
WO/1999/016809A1
The invention provides a method for preparing a desired organic compound by reacting one or more reactants in a reaction medium comprising a fluorinated ether compound wherein the fluorinated ether compound comprises at least 3 carbon at...  
WO/1999/011711A1
The invention relates to a method for making a polymer composition by solid state polymerizing a composition composed of a polymer having at least one isocyanate reactive group and a thermoplastic polyurethane. The polymer is preferably ...  
WO/1999/011710A1
The invention relates to a method for marking a polymer composition by melt mixing a composition composed of a polymer having at least one isocyanate reactive group and a thermoplastic polyurethane, wherein the thermoplastic polyurethane...  
WO/1999/010421A1
The invention includes a process of preparing a coupled polymer comprising heating an admixture containing (1) at least one interpolymer of an alpha-olefin and vinyl aromatic monomer and (2) a coupling amount of at least one poly(sulfony...  
WO/1999/010423A1
The present invention includes a process of preparing a coupled polymer by heating an admixture containing (1) at least one elastomer comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 c...  
WO/1999/010415A1
A process of reacting a poly(sulfonyl azide) with a polymer comprising steps (a) forming a first admixture, hereinafter referred to as a concentrate, of a first amount of a first polymer or in a liquid which does not require removal from...  
WO/1999/010397A1
The invention pertains to a coating composition comprising a compound comprising at least one bicyclo-orthoester group and at least one other functional group. The invention also comprises a process for curing the present coating composi...  
WO/1999/010422A1
The invention includes a process of preparing a coupled polymer characterized by heating an admixture containing (1) at least one ethylene polymer or blend of ethylene polymers having a density of at least 0.89 g/mL and less than 0.935 g...  
WO/1999/010427A1
The invention includes a process of preparing a coupled polymer comprising heating an admixture containing: 1) at least one polyolefin comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 ...  
WO/1999/007417A1
A method of controlling hemostasis by applying a hemostatic agent in a tissue sealant composition. The tissue sealant is a biodegradable, biocompatible synthetic polymer that may not intrinsically possess strong hemostatic properties. In...  
WO/1999/005126A1
The invention concerns ionic compounds wherein the negative charge is highly delocalized. The compounds contain at least a perfluorovinyl group and at least a group selected among -O or one of the groups -NC$m(Z)N, -(C$m(Z)N)¿2?, -NSO¿...  
WO/1998/053909A1
This invention relates to a method for monitoring the rate of evolution of volatile species during polymerizations and use of that method to effect improvements in process and product. In particular, this invention is useful for improvin...  
WO1998044329A3  
WO/1998/050438A1
This invention relates to a linker for use in solid phase synthesis, its preparation and methods of use. The linker consists essentially of an alkoxy substituted phenyl ring bearing an optionally substituted benzylic chloride. Synthetic ...  
WO/1998/049206A1
A polymer, possibly fabricated as part of a medical device or as part of a medical prostheses (such as a contact lens) is functionalised to facilitate the introduction of functional groups, such as biomedical species including heparin. T...  
WO/1998/046648A1
The present invention relates to an interactive system comprising at least one active surface of plastic from monomers containing at least one structural element derived from a carbon dioxide (A), and at least one substance associated to...  
WO/1998/045265A1
The invention provides a process for covalently coupling organic compounds which comprises reacting an aromatic ring compound having a halogen or halogen-like substituent at a coupling position with a diboron derivative in the presence o...  
WO1998029358A3  
WO/1998/044024A1
The invention concerns novel polymers selected among hyperbranched polymers and dendrimers comprising functional groups of formula (I) in which: Y represents the oxygen atom or a NH group; A represents a linear, branched or cyclic C�1?...  
WO/1998/044329A2
This invention relates to a novel linker for use in solid phase chemistry, its preparation and methods of use of the linker.  
WO/1998/038224A1
The present invention provides a process for preparing a soluble conductive polymer comprising the step of electrochemically polymerising a monomer and/or an oligomer, or two or more different monomers and/or oligomers, or derivatives th...  
WO/1998/037123A1
The invention relates to a method for carrying out polycondensation reactions, according to which the polycondensation of a monomeric educt is carried out with an external supply of heat in an at least two-stage reactor combination compr...  
WO/1998/036001A1
A method of forming a branched polymer includes forming a plurality of growing linear polymer chains by polymerizing a monomer which is protected against branching and which forms a reactive end group which is in a first condition which ...  
WO/1998/036086A1
The invention relates to the complete degradation of shaped bodies, textile fabrics, coatings, bondings or foams made of biologically degradable polymers using enzymes. The invention particularly relates to enzymatic degradation of polye...  
WO1998006766A3
Dimethylpropylamine is provided. This new amine surprisingly has a significantly less offensive odor and is considerably less prone to be impregnated in or coat the skin and clothing than are other amines which are utilized to catalyze p...  
WO/1998/031459A1
The present invention relates to apparatus for the semi-continuous polymerisation of monomers with the use of a chain initiator. This apparatus is characterised in that it comprises a reactor (1) arranged with its axis substantially vert...  

Matches 401 - 450 out of 5,187