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Matches 201 - 250 out of 1,899

Document Document Title
WO/2001/058967
Described are preferred processes for preparing quaternary amine polymers of good color, comprising preparing a free base amine polymer by polymerizing a free base amine monomer in the presence of a water-soluble azo initiator, and subje...  
WO/2001/055095
The present invention refers to new classes of polymerisable monomers, to molecularly imprinted polymers obtainable by polymerisation of at least one of the monomers and a crosslinking monomer in the presence of a template molecule. The ...  
WO/2001/040874
The use of a compound of formula (A), which comprises a group of sub-formula (I) where R?1¿, R?2¿, R?3¿, R?4¿, R?5¿, R?6¿, X?1¿ and Y?1¿ are various specified organic groups wherein at least one of said groups has sufficient elec...  
WO/2001/036510
The invention provides a poly(diallylamine) polymer derived from a monomer of formula (I) wherein R?6¿ is a bridging group of valency r and r is an integer of 3 or greater, or a pharmaceutically acceptable derivative of such a polymer, ...  
WO/2001/029098
A method for the manufacture of a separation gel, which comprises the steps: (i) providing a polymerisation mixture containing a first monomer (I) having a polymerisable unsaturated structure and a second monomer (II) comprising two or m...  
WO/2001/005847
A production apparatus comprising a reaction vessel (11), a means (12) for heating the reaction vessel (11), a means (13) for agitating the inside of the reaction vessel (11), means (1, 2 and 3) respectively for feeding water, N-vinylfor...  
WO/2000/070692
This invention relates to an organic semiconductor device comprising a substrate bearing an organic layer sandwiched between electrode structures wherein the organic layer comprises a polymer of general Formula (I): wherein X is selected...  
WO/2000/069918
A polymer and a method of preparing a liquid ink or liquid toner for printing including the steps of dispersing at a monomer in a carrier fluid and a polymerisation stabiliser comprising a multi or single functional group containing poly...  
WO/2000/052070
A process for producing an aqueous solution of a high-molecular monoallylamine polymer having a weight-average molecular weight of 20,000 to 180,000, which comprises polymerizing monoallylamine sulfate in an aqueous medium in the presenc...  
WO/2000/045174
A method for cell selection is disclosed. The method uses an azlactone-functional support, which is derivatized with and covalently coupled to a substance that is biologically active with a desired type of whole cell. The method allows t...  
WO/2000/035995
This invention relates to an improved free radical polymerization process for directly producing stable vinylpyridine polymer particles in an aqueous suspension and in a high state of polymer purity by effecting the polymerization in the...  
WO/2000/035927
The invention relates to a method for removing phosphoric acid, thiamine triphosphate and higher thiamine phosphates from solutions that contain phosphoric acid, thiamine monophosphate, thiamine diphosphate, diamine triphosphate and high...  
WO/2000/035880
This invention relates to stable, quaternized vinylpyridine carboxylate homo-, co- and ter- polymers, useful as dye transfer inhibitors and polymers complexable with active agrochemical, pharmaceutical or cosmetic agents for controlled r...  
WO/2000/035881
This invention relates to stable, quaternized vinylpyridine carboxylate homo- and co-polymers, useful as dye transfer inhibitors and polymers complexable with active agrochemicals or pharmaceuticals for controlled release thereof, and to...  
WO/2000/031150
The invention relates to novel polyallyl amine polymers having a weight average molecular weight of at least 2000 that, based on the number of amino groups of the polyallyl amine, comprises from approximately 1 to 99 % of units of formul...  
WO/2000/027893
Aqueous dispersions of water-soluble polymers of N-vinyl carboxylic acid amides that comprise the following in relation to 100 parts by weight of water: (A) 5-80 parts by weight of a water-soluble polymer containing N-vinylformamide and/...  
WO/2000/026331
The present invention relates to fabric enhancement compositions which provide reduced fabric abrasion damage. The compositions of the present invention comprise: a) one or more fabric abrasion polymers, said polymers comprising the foll...  
WO/2000/024791
A process for preparing polymers of allylic amine compounds comprising: a) preparing a reaction mixture comprising: i) a polar reaction solvent; ii) at least one salt of an allylic amine compound; and iii) a free radical initiator compri...  
WO/2000/020475
A support for a chemical or biological application having chemically reactive sites, the support formed from at least one scintillant monomer by polymerisation or copolymerisation of the monomer. The supports may be used for biological s...  
WO/2000/006666
Compounds of formula (I) are provided which may be used in a variety of devices including liquid crystal devices, piezoelectric devices, pyroelectric devices and in optical recording media, m = at least 5 and not greater than 50; X¿3? i...  
WO/2000/006610
A method for producing a polymeric material, said method comprising subjecting a starting material which includes two multiple bonds which are activated so that they will take part in a polymerisation reaction and wherein the multiple bo...  
WO/2000/006658
An adhesive or sealant composition comprising a compound of formula (I) provided that at least one of (a) R?1¿ and R?6¿ or (b) R?2¿ and R?3¿ or (c) R?4¿ and R?5¿ includes an electron withdrawing group; and where necessary, a polyme...  
WO/1999/053104
The invention relates to the use of polymers containing n-vinyl units, obtained by radically initiated polymerization of a monomer or a monomer mixture consisting of (A) 5 to 100 wt.% n-vinylamides or n-vinylamines; (B) 0 to 95 wt.% mono...  
WO/1999/052956
In one embodiment, the invention provides a polymer comprising imidazole ring units having nitrogen at the 1 and 3 positions of the ring; a carbon at each of the 2, 4 and 5 positions of the ring; and radical substituents G1 and G2 carrie...  
WO/1999/047574
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/1999/045964
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/1999/045037
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/1999/042501
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/1999/040025
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/1999/029735
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/1999/028359
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/1999/022744
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/1999/021901
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/1999/019262
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...  
WO/1999/016798
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/1999/005126
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¿...  
WO/1999/005183
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/1998/054234
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  
WO/1998/040426
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/1998/033878
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/1998/033829
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/1998/029107
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...  
WO/1998/027079
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/1998/018833
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/1998/014834
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/1998/012236
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/1998/012239
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/1998/012203
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/1998/007688
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/1998/007449
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...  

Matches 201 - 250 out of 1,899