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Patent Searching and Data


Matches 201 - 250 out of 3,771

Document Document Title
WO/2003/004541A1
A process of making a vinyl caprolactam (VCL)-based polymer which comprises suspension polymerizing the monomers in aqueous medium in the absence of an added protective colloid, wherein polymer formed at an early stage of the polymerizat...  
WO/2002/101145A1
The present invention relates to an aqueous composition comprising anionic organic polymeric particles and colloidal anionic silica-based particles. The anionic organic polymeric particles are obtainable by polymerising one or more ethyl...  
WO/2002/079282A1
The invention relates to water-soluble branched block copolymers consisting of quaternary ammonium units and polyalkylene glycols. The molecular elements containing said quaternary ammonium units form skeletons which are linked in a wide...  
WO1997031518A3
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...  
WO2001036510A3
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, f...  
WO2002057362A3
Compositions comprising homopolymers or copolymers containing repeat units derived from alpha -methylene-lact(ones)(ams) such as alpha -methylenebutyrolactones and an inorganic filler such as alumina trihydrate are described. The decorat...  
WO/2002/067908A1
Novel dendritic polymers are employed to clinically seal or repair wounds and treat traumatized or degenerative tissue. Novel crosslinkable biopolymers such as dendritic macromolecules are used in vitro, in vivo and in situ to treat opht...  
WO/2002/057362A2
Compositions comprising homopolymers or copolymers containing repeat units derived from $g(a)-methylene-lact(ones)(ams) such as $g(a)-methylenebutyrolactones and an inorganic filler such as alumina trihydrate are described. The decorativ...  
WO2001072715A3
The present invention provides heterocyclic vinylic compounds that can be used to form biocidal polymers. The polymers thus generated can used alone or can be grafted onto textiles, fabrics and polymers. The polymers are readily converte...  
WO2001029098A3
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/2002/022722A1
A stable, aqueous polymeric composition which forms a clear to translucent film upon application to a substrate includes, by weight, 5 - 75 % of (a) a water-soluble polymer having (b) in situ-formed, substantially water-insoluble resinou...  
WO/2002/016451A1
A process of making a homopolymer of vinyl caprolactam (VLC), and a copolymer with dimethylaminopropyl methacrylamde (DMAPMA), optionally including with one or more polymerizable monomers (X), in the composition range, by weight, VCL 99 ...  
WO/2002/010225A1
The invention concerns a method for preparing high molecular weight cationic polymers based on dialkyl diallyl ammonium salts in bead form by reverse suspension polymerisation. Said method uses a monomer or a mixture of monomers based on...  
WO/2001/096424A1
A process for producing a high-purity vinylpyrrolidone polymer which dissolves in an organic solvent to give a transparent solution. The process comprises using a redox initiator comprising an organic peroxide and a sulfurous acid salt t...  
WO/2001/096423A1
A vinylpyrrolidone polymer which is free from coloration and odor and is extremely reduced in impurity content. A water-soluble organic peroxide and a sulfurous acid salt are added to an aqueous vinylpyrrolidone solution to polymerize th...  
WO/2001/094481A1
The use of an amine functional polymer, including salts thereof, as a rheology modifier for solvent-based paints, inks, filled thermosetting resins and thermosetting resin-based gelcoats whereby the amine functional polymer contains not ...  
WO/2001/072715A2
The present invention provides heterocyclic vinylic compounds that can be used to form biocidal polymers. The polymers thus generated can used alone or can be grafted onto textiles, fabrics and polymers. The polymers are readily converte...  
WO/2001/072858A1
A composition which is useful as a material with excellent weatherability, such as a coating material, printing ink, adhesive, filler, molding material, or resist, and is especially suitable for use in applications such as OPV and coatin...  
WO/2001/068727A1
A method for adjusting the particle size of popcorn polymers during popcorn polymerization, wherein reaction mixtures forming popcorn polymers from monoethylenically unsaturated monomers and cross-linking agents excluding oxygen and poly...  
WO/2001/066612A1
The invention relates to the use of cross-linked polyvinylpyrrolidone in a specific particle composition as a disintegrant in compact, particulate detergents and cleaning agents. The invention further relates to the corresponding particl...  
WO/2001/066602A1
The invention relates to a method for producing polymer solutions and/or polymer dispersions by means of radical polymerization, and to the use of the produced polymers, in particular, as gas hydrate inhibitors.  
WO/2001/058967A1
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/2001/055095A1
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/2001/040874A1
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/2001/036510A2
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/2001/029098A2
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...  
WO1998029107A3
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/2001/005847A1
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/2000/070692A1
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/2000/069918A1
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/2000/058378A1
The invention relates to a method for synthesizing polyvinylamine (PVA)- type polymers from a vinylformamide monomer at a low temperature. According to the invention, polymerization starts at 0 °C, is initiated by an original redox and ...  
WO/2000/052070A1
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...  
WO2000006610A3
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/2000/045174A1
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/2000/035995A1
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/2000/035927A1
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/2000/035880A1
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/2000/035881A1
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/2000/031150A1
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/2000/027893A1
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/2000/026331A1
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/2000/024791A1
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...  
WO2000006658A3
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 polymerisati...  
WO/2000/020475A1
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/2000/006666A1
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/2000/006610A2
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/2000/006658A2
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...  
WO1998003497A9
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 R01, R02 and R03 a...  
WO/1999/053104A1
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/1999/052956A1
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...  

Matches 201 - 250 out of 3,771