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Matches 201 - 250 out of 2,307

Document Document Title
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/1999/010422A1
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 ...  
WO1998056836A3  
WO/1999/002571A1
Metallocene compounds which are used as catalytic components for the polymerization of olefins, do not generate hydrogen halide, are stable in air and water, easy of handling and excellent in storage stability, and exhibit a high catalyt...  
WO/1999/000396A1
The invention relates to penta- and hexacoordinated ruthenium and osmium carbene catalysts, in which a sulfur, oxygen or nitrogen atom is attached to the carbene group which is coordinated with the central ruthenium or osmium atom, to th...  
WO/1998/056832A1
Olefins such as ethylene and $g(a)-olefins may be (co)polymerized using preformed catalysts containing selected transition metals, especially late transition metals, complexed to selected ligands. These performed catalysts are preferably...  
WO/1998/056836A2
The invention relates to electrets produced on the basis of cycloolefin copolymers (COC) and characterized by long-term stability of the charges applied thereto, even at high temperatures and high relative air humidity. Cycloolefin copol...  
WO/1998/046650A1
The invention relates to a catalyst preparation which can be obtained by mixing a metal complex (A) wherein the substituents have the following meaning: M means chromium, molybdenum or wolframium; Z means fluorine, chlorine, bromine, iod...  
WO/1998/046614A1
The invention relates to a catalyst and the use thereof in polymerisation. The catalyst contains a compound of general formula (I), wherein R?1� stands for a mono or polycylic hydrocarbon, M?1+� means an VIIIb group transition metal ...  
WO/1998/045342A1
The invention relates to the production of homopolymers, co-copolymers or block copolymers from cycloolefinic monomer units characterized in that polymerization occurs in the presence of a catalyst of general formula (I), and optionally ...  
WO/1998/045339A1
$g(p)-complex compounds and in particular metallocene compounds of formula (Ia)(Ib), in which $g(p)I and $g(p)II represent $g(p)-systems, D designates a donor atom and A designates an acceptor atom, D and A being linked by a reversible c...  
WO1998030587A3  
WO/1998/032169A1
A method of forming an air gap (26) or gaps within solid structures and specifically semiconductor structures to reduce capacitive coupling between electrical elements such as metal lines, wherein a norbornene-type polymer is used as a s...  
WO/1998/030587A2
Supported metal halides and metal halide solid acids are used as catalysts for the polymerization of a feed stream containing at least one of pure monomer, C5 monomers, and C9 monomers to produce hydrocarbon resins. Freely-associated wat...  
WO/1998/030520A1
Metal oxide solid acids are used as catalysts for the polymerization of a feed stream containing at least one of pure monomer (e.g., styrene based monomers), C5 monomers, and C9 monomers to produce hydrocarbon resins. Freely-associated w...  
WO/1998/030519A1
Solid acids are used as catalysts for the polymerization of a feed stream containing at least one of pure monomer, C5 monomers, and C9 monomers to produce hydrocarbon resins. Freely-associated water may be removed from the solid acid cat...  
WO/1998/030521A1
Fluorinated solid acids and supported fluorinated solid acids are used as catalysts for the polymerization of a feed stream containing at least one of pure monomoer, C5 monomers, and C9 monomers to produce hydrocarbon resins. Freely-asso...  
WO/1998/014499A1
A norbornene polymer having repeating units derived from a norbornene monomer in its backbone, a weight-average molecular weight (Mw) of 10,000 to 1,000,000, and the ratio of the weight-average molecular weight (Mw) to the number-average...  
WO/1998/008217A1
A disc medium substrate which is made of resin and used for a disc, for instance a magnetic disc, on/from which information is recorded/reproduced with a floating head. Protrusions higher than 50 nm are not formed on the surface of the s...  
WO/1998/003559A1
Certain olefins such as ethylene, $g(a)-olefins and cyclopentene can be polymerized by using catalyst system containing a nickel or palladium $g(a)-diimine complex, a metal containing hydrocarbylation compound, and a selected Lewis acid,...  
WO/1998/001455A1
Metallocene compounds of formula (I) in which: CpI and CpII represent carbanions with a structure containing cyclopentadienyl; D represent a donator atom and A an acceptor atom, D and A being linked by a reversible, co-ordinative bond su...  
WO/1998/001483A1
Cycloolefin copolymers for use in optical data memories can be produced by (co)polymerising monomers from the group of cyclic olefins, of $g(a)-olefins with 2 or more C atoms and optionally conjugated or unconjugated diolefins, wherein m...  
WO/1998/001487A1
Elastomers can be produced by (co)polymerising monomers from the group of C�2?-C�8?-$g(a)-olefins, C�4?-C�15?-diolefins and other monomers in the solid phase, in solution, as a slurry or in gas phase where metallocene compounds o...  
WO/1998/001485A1
High melting-point polyolefins can be produced as such, in solution, suspension or gas phase, metallocene compounds of formula (I) or $g(p)-complex compounds of formulas (I) or (XIII) being used as catalysts. In said formulas: CpI and Cp...  
WO/1998/001484A1
Cycloolefin copolymers for technical applications except for using in optical data storage devices can be produced by (co)polymerising monomers from the group of cyclic olefins, of $g(a)-olefins with 2 or more C atoms and conjugated or u...  
WO/1998/001486A1
Thermoplastic elastomers can be produced by (co)polymerising monomers from the group of C�2?-C�8?-$g(a)-olefins, C�4?-C�15?-dioledins and other monomers in the solid phase, in solution, as slurry or in the gas phase where metallo...  
WO/1997/049676A1
This invention relates to ethylenically unsaturated polymerizable monomers of formula (I) wherein Y is (a, b, c, d, e, f, g, h or i) wherein A is (j, k, l, m, n or o) wherein each R is individually H, -(-CqH2q-O-)m-R2, (p), etc., which a...  
WO/1997/049685A1
New classes of urea/ureido functional compounds of formula (I), wherin Y is (a), (b) or (c), wherein A is (d), (e) or (f), wherein B is (g), (h) or (i), and compositions containing the same are disclosed which are particularly suitable f...  
WO/1997/046599A1
The present invention teaches the use of particular soluble metallocene catalysts to produce stereoregular polymers in gas phase polymerizations wherein the catalysts are fed into a particle lean zone in the reactor. The metallocenes cat...  
WO/1997/042235A1
The invention relates to a process for the production of polymers containing cyclic olefins by contacting, under polymerisation conditions, at least one cyclic and/or polycyclic olefin, optionally in the presence of 'alpha'-olefins, with...  
WO1997025365A3  
WO1997020871A3  
WO/1997/033198A1
The present invention relates to a radiation sensitive photoresist composition comprising a photoacid initiator and a polycyclic polymer comprising repeating units that contain pendant acid labile groups. Upon exposure to an imaging radi...  
WO/1997/025365A2
The invention relates to polyfunctionally reactive polymer substances containing in each molecule at least two structural units of general formulae (I) and/or (II), in which n = 1-10, the principal polymer chain links in the claimed subs...  
WO/1997/020871A2
Silyl substituted polymers of polycycloolefins are provided as well as catalyst systems for their preparation. The polymers of the invention include polycyclic repeat units that contain pendant silyl functional groups represented by form...  
WO/1997/016476A1
The invention concerns foams containing cycloolefin copolymers. The foams according to the invention contain at least one cycloolefin copolymer which, relative to the total weight of the cycloolefin copolymer, contains between 0.1 and 10...  
WO/1997/006185A1
Ruthenium and osmium carbene compounds that are stable in the presence of a variety of functional groups can be used to catalyze olefin metathesis reactions on unstrained cyclic and acyclic olefins are disclosed. Also disclosed are metho...  
WO/1997/003803A1
Processes facilitating the production of multi-ply laminates comprising many thin films united with each other, the many thin films being made respectively of different kinds of high-molecular-weight polymers. According to one of the pro...  
WO/1997/003096A1
Methods of forming polycycloolefins having high crosslink density are disclosed. Olefins are polymerized via a metathesis mechanism in the presence of a crosslinking agent and a catalyst. The crosslinking agent generally comprises a pero...  
WO/1997/002298A1
Disclosed herein is a process for the polymerization of ethylene, norbornenes and styrenes, by contacting in solution a selected nickel compound and a selected compound which is or can be coordinated to the nickel with the olefin(s). The...  
WO/1996/037528A1
Polycyclic addition polymers derived from norborene-type monomers are mixed with a variety of other polymers to generate families of new blends, alloys, and block copolymers.  
WO/1996/037526A1
Addition polymers containing functionally substituted polycyclic repeat units are prepared in the presence of a single or multicomponent catalyst system containing a palladium metal ion source. The catalysts are not poisoned by functiona...  
WO/1996/020235A1
Disclosed is a compound consisting of (a) dicyclopentadiene either on its own or mixed with a stretched cycloolefin, and (b) a catalytic quantity of at least one carbene-free divalent-cationic ruthenium or osmium compound as a single-com...  
WO/1996/013529A1
The invention relates to a new catalyst composition which is suitable for the polymerization of an olefin and which comprises a reduced transition metal complex and a co-catalyst. The invention is characterized in that the transition met...  
WO1995035333A3  
WO/1996/007674A1
A process that involves the packaged polymerization of olefinic monomer(s) and catalyst systems comprising a transition metal species that mediates the polymerization of the monomer(s) is disclosed. This process provides a way to use the...  
WO/1996/004988A1
A filter material is disclosed, as well as a process for removing ozone from gases and liquids. A gas flow or a liquid are contacted with a filter material made of an unsaturated cycloolefin polymer or copolymer. The filter material is s...  
WO/1996/004289A1
Ruthenium and osmium carbene compounds which are stable in the presence of a variety of functional groups and which can be used to catalyze olefin metathesis reactions are discussed. Methods for synthesizing these carbene compounds are a...  
WO/1995/035333A2
Ethylene copolymers are prepared with comonomers selected from (a) 'alpha'-olefins, (b) cycloolefins and (c) polyenes, with a content of ethylene units of between 80 and 99 mol %, a content of units derived from 'alpha'-olefin, cycloolef...  

Matches 201 - 250 out of 2,307