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Patent Searching and Data


Matches 301 - 350 out of 2,846

Document Document Title
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...  
WO2002028934A8
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...  
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...  
WO2002051898A8
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...  
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...  
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...  
WO2002026872A8
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO2000078835A3
The preparation of a high parity cylic-urea-formadehyde prepolymer (cyclic urea prepolymer) is performed at a temperature of at least 85 DEG C and a pH between 7 and 9, whereby per mole of urea at least 4 mole formaldehyde and 0.5 - 1.2 ...  
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...  
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...  
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...  
WO2002051897A3
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...  
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...  
WO2002048261A3
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...  
WO2002024799A3
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...  
WO2002024607A3
Die Erfindung betrifft ein Verfahren zur Herstellung von Methylenharnstoff-Polymeren unter Verwendung von Harnstoff, einem Formaldehydprodukt sowie einer Säure. Der Harnstoff wird zusammen mit dem Formaldehydprodukt in einen Mehrwellen-...  
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...  
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...  
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...  
WO2002024798A3
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...  
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...  
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...  
WO2001094436A3
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...  
WO2002016458A3
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.  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
WO2001094002A3
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...  
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...  
WO2001066614A3
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...  
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.  
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...  
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? ...  
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...  
WO2001083885A3
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...  
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...  
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...  

Matches 301 - 350 out of 2,846