Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 301 - 350 out of 4,074

Document Document Title
WO/1999/047574A1
A linear water-soluble quaternary ammonium polymer having a homopolymeric chain of repeating unit of general formula (I): where each of R¿1? and R¿2? independently represents a member selected from the group consisting of linear or bra...  
WO/1999/045964A1
An activated, substantially water-soluble poly(ethylene glycol) is provided having a linear or branched poly(ethylene glycol) backbone and at least one terminus linked to the backbone through a hydrolytically stable linkage, wherein the ...  
WO/1999/045037A1
Polymers of dialkyldiallylammonium halide are economically prepared in bulk form by subjecting an aqueous monomer solution having a monomer concentration of at least about 60 percent by weight, to an effective dose of gamma radiation. Th...  
WO/1999/042501A2
The invention relates to a method for the production of polymers from N-vinyl compounds, characterized in that vinyl compounds are polymerized in the presence of radicals of general formula (I), wherein Q stands for NR?2¿ or S and T sta...  
WO/1999/040025A1
The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least...  
WO/1999/029735A1
A non-aqueous, heterogeneous polymerization process comprises heating a reaction mixture of about 5-70 %, preferably 10-30 %, by weight, of a vinyl monomer in an oil as solvent, and a free radical initiator, optionally in the presence of...  
WO/1999/028359A1
A preparation for prevention and healing of inflammation affections comprising in an amount of 0.1 to 99.9 % by weight derivatives of sterically hindered amines selected from the group consisting of: soluble polymers or copolymers prepar...  
WO/1999/022744A1
A method for reducing oxalate levels in a patient that includes administering to the patient a therapeutically effective amount of non-absorbable amine polymers such as a polymer characterized by a repeat unit having formula (1) and salt...  
WO/1999/021901A1
Processes for efficiently and industrially advantageously producing N,N-dialkylallylamine polymers or addition salts thereof, N,N-dialkylallylamine/monoallylamine copolymers or addition salts thereof, and N,N-dialkylallylamine/diallylami...  
WO/1999/019262A1
Methods for the solution polymerization of diallylicdialkylammonium salts, initiated by species capable of generating free radicals, including the steps of providing a reaction mixture of a diallylicdialkylammonium salt and a chain-exten...  
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/1999/016798A1
The invention relates to a method for producing anionically modified polymerizates of alkyl-1-vinyl-imidazoles by radically polymerizing alkyl-1-vinyl-imidazoles with anionic monoethylenically unsaturated monomers and optionally, other c...  
WO/1999/005183A1
The invention concerns novel cationic polymers of formula (I) in which n is a whole number between 0 and 5 and p is a whole number between 2 and 20000, more particularly p ranges between 10 and 18000, and advantageously between 200 and 1...  
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¿...  
WO1998040426A3  
WO/1998/054234A1
The present invention relates to a novel process for the production of a water soluble polymer dispersion from vinylamide monomers, and, more particularly, polymers formed from N-vinylformamide monomers  
WO1998033878A3  
WO/1998/040426A2
A crosslinked popcorn polymer of vinyl pyrrolidone and a crosslinker containing a pendant divinyl moiety and a chelating group capable of complexing a heavy metal ion in aqueous solution.  
WO/1998/033829A1
A homo- or copolymer having repeating units represented by formula (1) or (2) and a weight-average molecular weight of 1,000 to 1,000,000, and an antifouling agent for aquatic foulings which contains the same. The antifouling agent signi...  
WO/1998/033878A2
Disclosed are carbonates of general formula (I): A-O-CO-OR?3�, in which A is a radical (Ia) R?1�R?2�C=N- or a radical (Ib), or the hydromidesters of the general formula (I) or the polymer derivates thereof are used with radicals ha...  
WO/1998/029107A2
The present invention relates to a method for removing bile acids from a patient and certain polymers of use in the method. The method comprises the step of administering to the patient a therapeutically effective amount of a polymer com...  
WO1998007449A3  
WO/1998/027079A1
Novel compounds having reactive functional groups, represented by general formula (1); a process for the preparation of them; and uses of them. These compounds are usable as (i) actinic radiation curable resin compositions each comprisin...  
WO/1998/018833A1
In general, the invention features a polymer having formula (1), where R�1? through R�4?, independently, are hydrogen; an alkyl, e.g., C�a?H�2a+1?, where a is 1 to 20 or higher; an aryl, e.g., phenyl or substituted phenyl, e.g., ...  
WO/1998/014834A1
The present invention relates to a novel antireflective coating solution and a process for its use in photolithography. The antireflective coating solution comprises a novel polymer and an organic solvent or a mixture of organic solvents...  
WO/1998/012239A1
There is described a method of preparing a first polymeric compound which comprises providing a compound of general formula (I) or a salt thereof where A and B are the same or different and at least one comprises a relatively polar atom ...  
WO/1998/012203A1
The present invention includes polymerizable monomers comprising an acid-functionalized glycoside moiety. In one embodiment, the monomer has a polymerizable functional group, such as an olefinic bond, to which the acid-functionalized gly...  
WO/1998/012236A1
The present invention relates to polymers containing at least one nitrogen atom, wherein at least one of the nitrogen atoms is linked to an ester group, said ester group bearing an active alcohol. By the present invention, a delayed rele...  
WO/1998/007449A2
Polymer bile acid resorption inhibitors with simultaneous bile acid adsorbing effect are disclosed, as well as a process for preparing the same, medicaments which contain these compounds and their use. Vinyl copolymers are disclosed whic...  
WO/1998/007688A1
The invention provides a compound having conjugated double bonds in an acyclic structure formed by Schiff base reaction between an unsaturated aldehyde (RCHO) and diaminomaleonitrile (DAMN). The compound is a monoalkylated DAMN derivativ...  
WO/1998/004596A1
This invention concerns water-soluble polymers which include units of formula (I) and/or (II) as characteristic structural elements, in which R?1� stands for H, alkyl, cycloalkyl, aryl or aralkyl, R?2� and R?3� are defined independ...  
WO1997038774A3  
WO/1998/003497A1
Compounds, constructed in modular manner, of formula (I), wherein I is the monovalent residue of an ionophore, F is the monovalent residue of a fluorophore, G is a functional group, T is a trivalent organic radical and R�01?, R�02? a...  
WO/1997/044369A1
Carboxylated polymers having side chains containing both at least one linkage selected from among amino, ether and thio ether linkages and a carboxyl group are produced by polymerizing monomer components comprising carboxylated monomers ...  
WO/1997/038774A2
A method for removing an organic solute from a solution, comprising contacting the solution with a polymer formed by copolymerizing one or more hydrophobic monomers and one or more hydrophilic monomers, whereby the solute is adsorbed ont...  
WO/1997/039337A1
Fluoroionophores that are functionalised with reactive groups and correspond to the formula I-R1-F-R2-G, wherein I is a monovalent residue of an ionophore, wherein F is a divalent residue of a fluorophore, wherein G is a functional group...  
WO/1997/032833A1
The invention concerns a monomer composition comprising: A) monomers which contain vinyl groups and in which a heteroatom selected from the group comprising halogens, nitrogen, oxygen, sulphur or silicon is present on the vinyl group; an...  
WO/1997/031518A2
Proposed is the use, as agents for increasing the dry strength of paper, card and cardboard, of partially hydrolysed polymers of N-vinyl carboxylic acid amides obtained by the homopolymerization of N-vinyl carboxylic acid amides of the f...  
WO1997019702A3  
WO/1997/024383A1
A diene rubber comprising 40 to 99.99 % by weight of conjugated diene units, 0.05 to 20 % by weight of vinylic amine monomer units, 0.05 to 20 % by weight of hydroxylated vinylic monomer units and 0 to 50 % by weight of other comonomer u...  
WO/1997/024315A1
A highly polymerizable N-vinylcarboxylic acid amide having an N-1,3-butadienylcarboxylic acid amide content of 30 ppm or less, a process for producing the same, and a process for producing a homopolymer of N-vinylcarboxylic acid amide or...  
WO/1997/023562A1
Polymerizable compositions containing compounds based on N-acylamido-piperazines are provided. Such compounds have formula (I), wherein: R1, R2, and R3 are each independently selected from the group consisting of hydrogen and lower alkyl...  
WO/1997/022638A1
Compositions and processes for using the compositions for applications in a subterranean formation are provided. The compositions include a composition which comprises a nitrogen-containing olefinic compound; a composition comprises a wa...  
WO/1997/021736A1
The present invention provides a method for the polymerization of free-radically polymerizable vinyl monomers in a batch reactor under essential adiabatic conditions.  
WO/1997/020867A1
The invention relates to a process for the preparation of powdery hydrogen peroxide complexes based on insoluble polymerisates of heterocyclic N-vinyl monomers, characterised in that an aqueous hydrogen peroxide solution is mixed with th...  
WO/1997/019702A2
The invention concerns powdery complexes comprising iodine and a crosslinked polymer based on N-vinyl compounds and obtained by the dry heating of iodine and a polymer obtained by polymerizing monovinyl compounds (monomers A), of which t...  
WO1996039156A3  
WO/1997/010241A1
The invention concerns photochromic compounds with formula (I), in which R1 is an asymmetric aliphatic monocyclic group with formula (II), where 1 = 1-12, and R9 is H or an alkyl, alkoxy, dialkylamino, alkyl ester or CN group with the co...  
WO/1997/009359A1
The invention concerns powdery porous polymers which contain N-vinylimidazol units and are obtained by the radically initiated polymerization in the manner of precipitation polymerization of: a) between 5 and 100 wt.% of at least one N-v...  
WO/1997/009648A1
Provided is an optical glass fiber assembly containing a matrix material and a plurality of coated optical glass fibers bound together by said matrix material, said matrix material having a swell index and glass transition temperature wh...  

Matches 301 - 350 out of 4,074