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WO/2003/082775A1 |
A method for treating a seedling by dipping the roots of the seedling into a composition containing a slow release, particulate urea-formaldehyde polymer, which is useful as a fertilizer for enhancing the extended delivery of nitrogen ne...
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WO/2003/074580A1 |
The invention relates to a method for the production of spherical mono or oligo dispersed particles made of melamine resin, having a diameter of 0.1-50 µm, by condensing melamine and formaldehyde in an aqueous medium. In order to produc...
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WO/2003/059978A1 |
The invention relates to a two-constituent composition, wherein the first constituent (A) contains at least one polyurethane prepolymer which has isocyanate end groups and is produced from at least one aromatic polyisocyanate and at leas...
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WO/2003/055928A1 |
Disclosed are water-soluble aminoplast-ether copolymers of the following structural type:, in which Z represents an aminoplast unit on the basis of unsubstituted glycoluril or glycoluril that has been substituted with a reactive OR group...
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WO/2003/022899A1 |
A binder for abrasive products, coated abrasive articles and a method of making the same comprising a urea formaldehyde resin precursor cured in the presence of a sole catalyst which consists essentially of at least one salt of an acid w...
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WO/2003/011934A1 |
A crosslinking agent is provided which is an ungelled reaction product of (a) an aminoplast resin and (b) a compound having active hydrogen groups reactive with the aminoplast resin (a) such that the crosslinking agent is essentially fre...
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WO/2003/011970A1 |
A crosslinking agent which is an ungelled reaction product of (a) at least one aminoplast resin, (b) at least one polyfunctional polymer having functional groups reactive with aminoplast resin (a) and having a glass transition temperatur...
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WO/2003/011933A1 |
A crosslinking agent is provided, prepared by reacting (A) an aminoplast resin; (B) a reactive urethane group-containing adduct and (C) at least one other compound having active hydrogen groups reactive with aminoplast resin (A). Compoun...
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WO/2003/011932A1 |
A crosslinking agent is provided, prepared by reacting (A) an aminoplast resin; (B) a reactive urethane group-containing adduct of a polyfunctional polymer and monoisocyanate, and (C) at least one other compound having active hydrogen gr...
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WO/2003/011936A1 |
A crosslinking agent having reactive benzoxazine groups is provided. The crosslinking agent is an ungelled reaction product of aminoplast resin, a polyhydric aromatic compound, and at least one compound having active hydrogen groups reac...
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WO/2003/011935A2 |
The present invention provides a crosslinking agent which may have reactive benzoxazine groups prepared from (a) at least one aromatic compound, (b) at least one aminotriazine compound, and (c) at least one other compound having active h...
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WO/2002/077050A1 |
The invention relates to discrete microcavity particles having a flexible polymer wall structure, a method for the production of said particles and the use of the same as compounding materials for thermoplastic polymers, additives for pa...
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WO/2002/077051A1 |
The invention relates to a process for preparing a liquid melamine urea formaldehyde resin that has long term stability. The invention also relates to a liquid MUF resin with a high formaldehyde and melamine content. The invention furthe...
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WO/2002/070576A1 |
A process for producing spherical compound hardened melamine resin particles with excellent water resistance having colloidal silica localized around the surface, whereby the particle diameter can be controlled over a broad range of from...
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WO/2002/066455A1 |
The invention relates to a process for the separation of an aqueous mixture of trioxane and formaldehyde and corresponding applications. The aqueous mixture of trioxane and formaldehyde has a first trioxane:formaldehyde ratio. The proces...
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WO/2002/051898A1 |
Method for controlling the production of aqueous formaldehyde resin compositions applied in the manufacture of wood-based panels, in which formaldehyde takes part in a reaction with one or a combination of co resin forming material (of t...
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WO/2002/051897A2 |
The present invention provides a crosslinker for organic coatings having an amino resin core with substituents including more than one olefin functional group, a silicon-containing group, and at least one alkoxyalkyl or alkylol group. Co...
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WO/2002/048261A2 |
The invention relates to a method for curing aminoplast resins according to which inorganic particles, which have a laminated structure and which comprise interlamellarly exchangeable cations of the flowing type: alkali cations, alkaline...
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WO/2002/042366A1 |
The invention relates to a foam for purifying and filtrating air, particularly filtrating toxic compounds, such as for instance tar and polycyclic aromatic hydrocarbons (PAHs) from tobacco smoke, and to a method to prepare this foam. The...
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WO/2002/040564A1 |
The invention relates to etherified 2,4-diamino-1,3,5-triazine-aldehyde resins, which in contrast to conventional resins of this type, have softening points higher than 100 °C and which can be processed, without hardening, in the melt a...
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WO/2002/028934A1 |
The invention relates to an aqueous resin composition, comprising, in addition to water, a resin content in the range of from 65 to 80 % by weight, based on the aqueous resin composition. The resin is obtainable from melamine and formald...
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WO/2002/026871A1 |
The invention relates to open-cell, elastic foams consisting of melamine/formaldehyde resins having a drop absorption speed of less than five seconds and a formaldehyde emission in accordance with EU standard EN ISO 14184-1 of less than ...
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WO/2002/026850A1 |
A thermosetting resin which is obtained by subjecting 5 to 95 wt.% aminoplast resin and 5 to 95 wt.% polyalkylene glycol to condensation reaction under alkaline conditions, adding methanol to the resultant reaction product to incorporate...
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WO/2002/026872A1 |
The invention relates to hydrophilic, open-cell, elastic foams consisting of melamine/formaldehyde resins. Said foams can be obtained by (a) heating and cross-linking an aqueous solution or dispersion, containing, respectively, at least ...
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WO/2002/026849A1 |
Polymer networks can be obtained by condensing an aldehyde or a mixture of aldehydes or precursors thereof with a component A containing an amine, optionally in the presence of a solvent S. Said component A contains at least one siloxane...
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WO/2002/024811A1 |
Two types of aminotriazine-based crosslinking agents are provided. Both crosslinking agents include the ungelled reaction product of (A) a reactive urethane group-containing reaction product and (B) an aminotriazine compound having one o...
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WO/2002/024799A2 |
The present invention provides a crosslinking agent having reactive benzoxazine groups that is the ungelled reaction product of (a) at least one mono-hydroxy aromatic compound and (b) at least one aminotriazine compound having one or les...
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WO/2002/024607A2 |
The invention relates to a method for producing methylene urea polymers while using urea, a formaldehyde product and an acid. The urea, together with the formaldehyde product, is introduced into a multi-shaft extruder. The products are m...
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WO/2002/024782A1 |
A crosslinking agent having reactive benzoxazine groups is provided. The crosslinking agent is the ungelled reaction product of a polyhydric aromatic compound and an aminotriazine compound having one or less non-alkylated NH bond per tri...
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WO/2002/024798A2 |
A crosslinking agent which is the ungelled reaction product of (a) an aldehyde condensate of glycoluril and (b) a polyol is provided. The crosslinking agent is essentially free of hydroxyl functionality and has a glass transition tempera...
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WO/2002/016458A2 |
A controlled release urea-formaldehyde liquid resin a nitrogen level or at least 28wt% and its method of manufacture. The controlled release urea-formaldehyde resin is useful as a fertilizer.
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WO/2002/014399A1 |
Aqueous-based cross-linkable binder composition comprising (A) an aqueous dispersion of an aldehyde-functional polyurethane having a number average molecular weight of more than 1,000 and an average aldehyde functionality of $m(G) 2, whi...
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WO/2002/012363A1 |
The invention relates to graft polymers or copolymers of structure type (I), wherein (B¿a?) to (B¿b?) mean identical or different base polymer chains, optionally with free valencies for forming a cross-linked structure; Z¿x? to Z¿z? ...
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WO/2002/012387A1 |
The invention relates to surface-modified fillers which are characterised in that the fillers are reactive inorganic fillers and the modifier is an amphiphilic aminoplast-ether-polymer or copolymer of the structure type (I), wherein Z me...
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WO/2002/000429A1 |
The invention relates to fibre composites with excellent dimensional stability, weather resistance and flameproofing properties. Said composites have a semi-interpenetrating network structure which consists of between 60 and 95 wt.- % fi...
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WO/2001/098388A1 |
Polymeric networks can be obtained by condensing an aldehyde or a mixture of aldehydes or precursors thereof with a component A containing amines, optionally in the presence of a solvent S. Component A contains at least one polyetheramin...
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WO/2001/096344A1 |
Novel expanded porphyrins wherein six or more pyrrole rings and Ar-substituted methine groups are alternately linked at the $g(a)-positions of the rings to form a macrocycle; and a process for the preparation thereof (with the provisos t...
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WO/2001/094002A2 |
A novel emulsion comprising a material which is stabilised by a polymer resin precursor having interface active molecules incorporated therein by reaction from poorly or non-surface active materials is disclosed. The process for producin...
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WO/2001/094436A2 |
The invention relates to a method for producing elastic foamed materials which are based on a melamine/formaldehyde condensation product. According to the inventive method, a pre-condensate, having a mol ratio of melamine to formaldehyde...
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WO/2001/083885A2 |
This invention concerns aqueous compositions comprised of sulfonated aminotriazine/aldehyde polymers, e.g., sulfonated melamine/formaldehyde, processes for making these compositions, and methods of using these compositions as drainage ai...
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WO/2001/079349A1 |
Urea moulding compounds with antiseptic activity, the processes for the preparations thereof and the articles obtained by moulding said compounds.
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WO/2001/066614A2 |
The aim of the invention is to produce polymeric networks. An aldehyde or a mixture of aldehydes or precursors thereof are condensed with a component (A) that contains amines, optionally in the presence of a solvent (S). The component (A...
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WO/2001/060882A1 |
Crosslinker compositions consisting essentially of 50 to 95 weight percent monomeric C¿1? to C¿8? alkoxymethyl melamine derivatives containing not more than about 0.20 wt. % of imino (>N-H) groups. Such compositions further comprise 5 ...
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WO/2001/060937A1 |
Adhesive composition consisting of an aminoplast resin with a free formaldehyde-like compound being present. In particular an adhesive composition consisting of a melamine-urea-formaldehyde resin to which a free formaldehyde-like compoun...
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WO/2001/051197A1 |
A method is disclosed for the production of a dispersion of microcapsules, by condensation of a partly methylated melamine-formaldehyde resin, with a molecular ratio of melamine:formaldehyde:methanol of from 1:3.0:2.0 to 1:6.0:4.0, in wa...
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WO/2001/049817A2 |
The invention concerns microcapsule preparations containing microcapsules that have a core made of a hydrophobic material including at least one odorous or scent substance and a capsule envelope, which can be obtained by i) radical polym...
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WO/2001/044333A1 |
Thermosetting resin obtained by condensing a triazine compound, an aldehyde and an activated olefinic compound, this condensation taking place in the presence of a catalyst that is capable of effecting alkylolation of a double bond and a...
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WO/2001/042326A1 |
A resin material which has improved rigidity while retaining excellent properties inherent in a polyacetal resin, such as appearance, sliding properties, and thermal stability. The polyacetal copolymer is obtained by copolymerizing (A) 1...
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WO/2001/041718A1 |
The invention relates to a direct dyeing composition for keratinic fibres, especially human keratinic fibres such as hair, containing at least one direct dye and a thickening polymer with an ether plastic skeleton, in a medium which is s...
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WO/2001/032635A1 |
The invention relates to multricrystalline melamine powder having the following properties: specific surface area: 0.7-5 m?2¿/g, content of oxygen-containing components <0.7 wt.%, APHA colour less than 17, melam: higher than 1.5 wt.%. T...
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