| Document |
Document Title |
|
WO/1995/018173A1 |
A coating composition based on low molecular weight anhydride resin having pendant non-cyclic anhydride moieties, epoxy resin, active catalyst and surface tension reducing agent exhibits sprayability at low VOC and excellent performance ...
|
|
WO/1995/018166A1 |
A coating composition based on a low molecular weight anhydride resin having pendant non-cylic anhydride moieties, linear anhydride, an epoxy resin and catalyst exhibits excellent performance characteristics as a coating, including mar r...
|
|
WO/1995/016744A2 |
The present invention relates to a process comprising reacting an aminated polyolefin with a polyketone polymer. Preferably, the aminated polyolefin has been obtained by reacting a polyolefin containing carboxylic acid groups, e.g. a pol...
|
|
WO/1995/016748A1 |
Composition based on an epoxy resin, a multifunctional amine and a polyketone; process for preparing such composition comprising reacting a multifunctional amine with an epoxy resin and a polyketone; composition obtainable by such proces...
|
|
WO/1995/016005A1 |
Improved, moisture-curable, melt-processible, ethylene copolymer based adhesive compositions which have both specific and broad substrate adhesivity are obtained. The compositions are grafted ethylene copolymers which contain both a carb...
|
|
WO/1995/005423A1 |
An improved coating composition having one or more polymeric binders dispersed in a liquid medium, wherein the improvement comprises an anti-sag and anti-settling effective amount of oxidized ethylene-carbon monoxide copolymer.
|
|
WO/1995/003353A1 |
Catalyst systems suitable for preparing polyketones consist of: (a) a compound of a metal of the 8th sub-group of the periodic system; (b) a protonic acid and a Lewis acid; and (c) a biphosphine having general formula (I), in which R1 an...
|
|
WO/1995/003357A1 |
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/1994/024190A1 |
A process for the preparation of co-polymers of carbon monoxide and one or more ethylenically unsaturated non-aromatic compounds by contacting the monomers, under polymerization conditions, with a catalyst system based on palladium, a bi...
|
|
WO/1994/020562A1 |
The invention pertains to an alternating polyketone polymer composed of ethene and carbon monoxide units having a melting point above 240 �C and an intrinsic viscosity in the range of 0.3 to 2.5 dl/g, which was found to be so stable wi...
|
|
WO/1994/018154A1 |
The invention provides a process for the carbonylation of ethylenically unsaturated compounds by reaction with carbon monoxide and a co-reactant in the presence of a substantially non-acidic catalyst system based on a palladium compound ...
|
|
WO/1994/012559A1 |
A process for the preparation of co-polymers of carbon monoxide and one or more ethylenically unsaturated compounds by contacting the monomers, under polymerization conditions, with a catalyst system comprising a) a source of cations of ...
|
|
WO/1994/011416A1 |
A process for the preparation of copolymers of carbon monoxide and olefinically unsaturated compounds in the presence of an aprotic solvent and a catalyst system based on (a) a Group VIII metal, (b) an acid or an anion thereof having a p...
|
|
WO/1994/011415A1 |
Compositions of coreactant resins and polyanhydrides that contain a central moiety and more than one non-cyclic anhydride moiety are cured to provide coatings that have good exterior durability. Preferred high molecular weight polyanhydr...
|
|
WO/1994/003525A1 |
Novel polymeric peroxycarbonates are disclosed. Also disclosed are initiator compositions comprising one or more of the above-identified polymeric peroxycarbonates and a process for making these polymeric peroxycarbonates.
|
|
WO/1993/025602A1 |
Polyketones can be formed in enhanced yield by conducting the polymerization of the carbon monoxide and olefin monomers used to form the polyketone in a gas phase polymerization process in the presence of a catalyst support which is subs...
|
|
WO/1993/024553A1 |
A process for the preparation of co-polymers which comprises reacting carbon monoxide and one or more ethylenically unsaturated compounds under polymerization conditions in the presence of an added catalyst system based on (a) at least o...
|
|
WO/1993/019114A1 |
Nitrogen-containing polymers can be formed by the reaction of a polyketone, such as a copolymer of carbon monoxide and propylene, and an amino acid or derivative thereof, such as aspartic acid or glycine.
|
|
WO/1993/017061A1 |
A process is disclosed for removing palladium from a contaminated polyketone containing palladium which comprises contacting the contamined polyketone with an olefin in the substantial absence of carbon monoxide at a temperature above th...
|
|
WO/1993/011188A1 |
A cross-linking agent comprising a compound having at least two acyclic acid anhydride groups, represented by general formula (I) wherein R represents a C¿2?-C¿50? monovalent hydrocarbon group and R\' represents a C¿2?-C¿50? divalent...
|
|
WO/1993/006203A1 |
A polyacid polyanhydride is used as a bleach activator especially for improving low temperature bleaching performance of peroxygen bleaches such as hydrogen peroxide or sodium perborate, in laundry and other detergent formulations. The p...
|
|
WO/1993/005096A1 |
Fatty acid terminated polyanhydrides suitable for use as controlled release matrices in biodegradable sustained release drug delivery systems and methods for making thereof as described. The polymers are more soluble in organic solvents,...
|
|
WO/1993/002038A1 |
The invention relates to a method for preparing an ester composition in which at least one phenolic ether group of a molecule is reacted with at least one haloformyl group of another molecule. Preferably the molecules contain on average ...
|
|
WO/1993/001224A1 |
A process for preparing a polyketone is disclosed. This comprises polymerising together carbon monoxide, ethylene and optionally at least one C3 to C10 alpha-olefin in the presence of a solvent and a catalyst composition derivable from a...
|
|
WO/1992/020734A1 |
A process is described for stabilizing the melt flow rate and melt tension of ethylene-carbon monoxide interpolymers with a hindered phenol antioxidant. The antioxidant is melt blended with the polymer before it is exposed to air.
|
|
WO/1992/018244A1 |
Polyketone copolymers can be formed by polymerizing carbon monoxide and an olefin in the presence of a group VIII metal (e.g., palladium) complex containing a bis (diphenylphosphino) ferrocene bidentate ligand and an anion of an acid hav...
|
|
WO/1992/012193A1 |
A polyketone having a molecular weight greater than 1,000 and containing 0.01 to 50 mole percent carbonyl groups is contacted directly with an organic peroxyacid to produce a polyester. The polyketone is in a single homogenous phase duri...
|
|
WO/1992/012185A2 |
Ethylene, 2-methylene-1,3-dioxepane, and optionally carbon monoxide are reacted in the presence of a free radical catalyst to form a biodegradable and optionally photodegradable polymer represented by formula (I), where x and y are integ...
|
|
WO/1992/010524A1 |
Compositions of an ethylene/carbon monoxide copolymer and a second component serving as swelling agent or gelling or non-gelling solvent, which are suited to be moulded below the melting point of the copolymer using the customary mouldin...
|
|
WO/1992/007019A1 |
A linear alternating copolymer of carbon monoxide and propylene, which is substantially free of ester and ether linkages, is formed by the catalyzed reaction of carbon monoxide and propylene in a ketone solvent medium (e.g., acetone). Ac...
|
|
WO/1992/001726A1 |
A curing agent for epoxy resins having improved solubility characteristics has formula (I) where R is -C6H5X, -CH2C6H4X, -CH2CH2C6H4X, or -CnH2n-1, and X is either -H, -CH3, -OCH3, -OH, or -NY, where Y is -H or CH3 and where n is 1 to 12...
|
|
WO/1991/018940A1 |
Branched polyanhydrides that have superior properties for use in the controlled delivery of substances, prepared by the polymerization of a dicarboxylic acid monomer and a branching agent. The branching agent is a polycarboxylic acid mon...
|
|
WO/1991/010696A1 |
A polyanhydride suitable for use as a matrix material in controlled delivery devices polymerized from monomers of general formula (I), wherein R, R', and R'' are the same or a different aliphatic chain of C1 to C20 or hydrogen; m, n, and...
|
|
WO/1991/003517A1 |
Poly(ether ketone ketones) are thermally stabilized by being contacted for at least 15 minutes above their glass transition temperature with an organic hydroperoxide containing at least 0.1 mg of active oxygen per gram, having a boiling ...
|
|
WO/1991/002764A1 |
High-performance polymers having a rigid-rod backbone comprising a chain length of at least 25 organic monomer units joined together by covalent bonds wherein at least about 95 % of the bonds are substantially parallel; and solubilizing ...
|
|
WO/1990/014453A1 |
Elongated object, made of an orientated alternating copolymer of carbon monoxide and an olefinically unsaturated monomer, which has a modulus of elasticity of at least 16 GPa, and a method for the production of objects from an alternatin...
|
|
WO/1990/014371A1 |
Described is a coating composition comprising at least a polycarbodiimide component having at least two carbodiimide groups per molecule, at least one anhydride component having one or more carboxylic acid anhydride groups per molecule, ...
|
|
WO/1990/012049A1 |
Use of a photodegrading agent comprising a copolymer of one or more vinylidene monomers and carbon monoxide for enhancing the photodegradability of a thermoplastic polymer characterised in that the photodegrading agent is a polyketone wh...
|
|
WO/1990/010024A1 |
Metal residues are extracted from poly(ether ketone ketones) with aliphatic alpha-hydroxycarboxylic acids or aromatic ortho-hydroxycarboxylic acids in a liquid phase, either neat or in an aqueous or a nonaqueous solution. Extraction of m...
|
|
WO/1990/009783A1 |
A composition and method for controlled release of water-soluble proteins comprising a surface-eroding polymer matrix and water-soluble bioactive factors is described. The composition bioerodes in the biological environment of the subjec...
|
|
WO/1990/003995A1 |
Block copolymers can be formed from heterocyclic polymers such as PBO and thermoplastic polymers such as polyamide or poly(aromatic ether ketone). The block copolymer compositions are thermoplastic and do not experience substantial phase...
|
|
WO/1990/001504A1 |
Maleic anhydride can be satisfactorily grafted to polymers at low pressures by feeding the polymer through a multiple screw extruder and injecting the maleic anhydride and a free radical initiator into a polymer filled, pressurized secti...
|
|
WO/1990/001510A1 |
A method of stabilizing a poly(arylene ether ketone), which method comprises in one embodiment heating the poly-(arylene ether ketone) at a temperature between about 240�C and about 325�C for a period of between about 0.5 and about 2...
|
|
WO/1990/000573A1 |
A polymer or copolymer comprising (A) at least 5 mol % of aromatic ether sulphone backbone units of formula (I) -aryl-aryl-O-Ar-SO2-Ar-O-aryl-aryl-, wherein -O- is ether oxygen, each Ar independently is an arylene moiety or represents a ...
|
|
WO/1989/005138A1 |
A bioerodible controlled drug release implant is produced which contains a suitable pharmaceutically active compound dispersed uniformly throughout a polymeric matrix. An implant is prepared by dissolving a suitable bioerodible polymer i...
|
|
WO/1989/004848A1 |
An arylene ether ketone copolymer comprising: (a) 99 to 10 mol% of repeat units (I), and (b) 1 � 90 mol% of repeat units -Ar-O-Ar-CO- (II), wherein each Ar independently is m- or p-phenylene or a di- or poly- m- and/or p-phenylene moie...
|
|
WO/1989/001006A1 |
A class of unsaturated polyanhydrides having double bonds available for secondary polymerization is disclosed. A crosslinked material having improved or different physical and mechanical properties can be prepared from these polyanhydrid...
|
|
WO/1989/001005A1 |
A method for synthesizing polyanhydrides in solution using coupling agents and a removable acid acceptor to effect a one-step polymerization of dicarboxylic acids. As used in the method, these coupling agents include phosgene, diphosgene...
|
|
WO/1989/000855A1 |
Polyanhydrides with uniform distribution of alkyl and aromatic residues are prepared by melt polycondensation or solution polymerization of p-carboxyphenoxyalkanoic acids or p-carboxyphenylalkanoic acids. These polymers are soluble in co...
|
|
WO/1986/007598A1 |
Novel crystalline chain extended polymers containing segments of crystalline poly (aryl ether ketones). The novel materials are easy to prepare and display excellent toughness, fabricability and very good high temperature and solvent res...
|
