Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 401 - 450 out of 3,144

Document Document Title
WO/2000/053815A1
The invention provides novel cationic flocculant dispersion polymers that can be utilized in the methods disclosed herein. This invention also provides methods for detecting cationic flocculants wherein said flocculants may be made via a...  
WO/2000/043429A1
Synthetic polymers having hydrogen bonding capability and one or more aliphatic hydrocarbon moieties are capable of providing two distinct properties to paper products, such as tissues, which properties heretofore have been imparted thro...  
WO/2000/043461A1
The invention relates to new rewettable adhesive systems containing colloidal dispersion mixtures obtained by copolymerisation of at least one water-soluble monomer with at least one non-water-soluble comonomer in the presence of a micel...  
WO/2000/039176A1
A novel hydrophilic ampholytic polymer synthesized by reacting polymerizable amino and carboxy functional ethylenically unsaturated monomers, together with a non-ionic hydrophilic monomer, to provide a polymer having a glass transition t...  
WO/2000/014132A1
The invention relates to a method for producing copolymers by radical polymerisation of a) 5 to 95 wt. % of a monomer of formula (I), b) 95 to 5 wt. % of a monomer of formula (II), wherein R?1¿ and R?2¿ represent H, C¿1?-C¿3?-alkyl, ...  
WO/2000/014124A1
High molecular weight, water-soluble, cross-linked cationic polymers are prepared by reacting amine-functionalized cationic base polymers, in which the monomer units of the base polymer contain from about 0.05 to about 5.0 % amine functi...  
WO/2000/011051A1
The invention relates to cationic polymers, obtained by free-radical copolymerisation of (a) between 50 and 70 % by weight of one or more monomers of formula (I), where X is O, NR?1¿, R?1¿ is H, C¿1?-C¿8?-alkyl and R?2¿ is a tert-bu...  
WO/2000/006612A1
Disclosed are antibacterial CASE materials comprising a latex comprising polymer particles and a surfactant component. Also disclosed are components and methods for forming such materials.  
WO/2000/005274A1
The invention relates to a method for producing powder-shaped, cationic cross-linked polymerizates based on monoethylenically unsaturated monomers which contain a quaternized or a quaternizable nitrogen atom. The inventive method is char...  
WO/1999/062969A1
An improved process for making allylic/ethylenic copolymers is disclosed. Increasing the reaction temperature during addition of the ethylenic monomer/initiator mixture results in a substantial increase in the polymer yield obtained comp...  
WO/1999/061494A1
Allylic copolymer resins and processes for making them are disclosed. The resins are made by copolymerizing an ethylenic monomer, a monofunctional allyl monomer, and a multifunctional allyl monomer under free-radical conditions. The mult...  
WO/1999/060029A1
The present invention generally relates to certain hydrophilic polymers. These polymers undergo negligible shrinkage when polymerized and are highly hydrophilic, rendering them useful in a variety of applications.  
WO/1999/058507A1
Hydrophilic UV light absorbing polymerizing monomers are provided. These monomers are copolymerizable for providing biocompatible hydrogels capable of absorbing at least 90 % of the UV light incident to the hydrogels. Such hydrogels are ...  
WO/1999/058115A1
An osmotic dosage form is disclosed for delivering an antidepressant for treating depression in a patient in need of antidepressant therapy.  
WO/1999/055747A1
The invention concerns water-insoluble aqueous polymer dispersions derived from the polymerisation of a mixture of monomers comprising: at least one unsaturated heterocyclic monomer (A): including at least a nucleophile heteroatom; havin...  
WO/1999/038494A1
A multicomponent homogeneous polymer of (a) from about 30 to about 90 wt.% of a N-vinyl lactam, (b) from about 5 to about 30 wt.% of a quaternized and/or non-quaternized aminoalkylacrylic-ester and/or -amide, (c) from about 0.5 to about ...  
WO/1999/031152A1
This invention relates to substantially colorless and odorless vinyl lactam polymers containing less than 100 ppm residual vinyl pyrrolidone and less than 1000 ppm vinyl caprolactam monomers and to the process for producing said polymers...  
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/1999/025748A1
Poly(vinylguanidine) -based superabsorbent gels are disclosed. The superabsorbent gels either comprise a mixture of a poly(vinylguanidine) polymer and an acidic water-absorbing polymer, like polyacrylic acid, or comprise a salt of a poly...  
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/1999/019374A1
Copolymer resins derived from N-alkenyl amides, allylic monomers, and optionally, ethylenic monomers are disclosed. The resins are easily produced without need for reaction solvents to control rate of polymerization and without need for ...  
WO/1998/055521A1
A light-absorbing polymer which contains a light-absorbing coloring matter chemically bonded thereto, has high absorptivity against light rays having specific wavelengths, is excellent in the adhesion to a substrate and the ability to fo...  
WO1998040426A3  
WO/1998/050443A1
The object of the present invention is a radically polymerisable composition comprising a mixture of at least: one or more (meth)acrylate difunctional monomer(s) of type (a): of formula (A) and/or of formula (A'); and one or more alkenic...  
WO/1998/049231A1
Copolymers are disclosed of lower alpha-olefins and HALS-containing monomers, typically 1-(10-undecenyl)-2,2,6,6-tetramethylpiperidine. They may be used for light or heat stabilizing, by themselves or in blends with other polymers.  
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/1998/032773A1
An improved method of making polymers is provided, wherein the method utilizes at least one ethylenically unsatured monomer and at least one polymerizable surface active agent. The polymerizable surface active agent is capable of co-poly...  
WO/1998/030664A1
A detergent composition comprising a copolymer and at least one component selected from surface active agents and fabric softening compounds, the copolymer comprising at least one dye binding monomer and at least one anionic or nonionic ...  
WO1998014164A3
The present invention relates to the use of water-soluble copolymers consisting of such characteristic structural elements as a) acrylic acid amide of the general formula (I), where R<1> et R<2> stand, independently of each other, for H,...  
WO/1998/025978A1
A polymer consists of (A) at least one fatty acid with conjugated double bonds and their derivatives, (B) at least one alkene component with electron acceptor substituents, and if required (C) at least one alkene component without electr...  
WO/1998/021301A1
The use of polymerizates, containing at least 5 mol % quaternized 1-vinyl-imidazol units of formula (I) wherein R = C�1?-C�25? alkyl, C�5?-C�10? cycloalkyl or benzyl, R?1�, R?2�, R?3� are the same or different, mean H, CH...  
WO/1998/017700A1
The present invention provides a novel silicone free copolymer and coating prepared therefrom. The coating which is capable of being written on effectively with both solvent-based and water-based inks is also bleedthrough resistant. A re...  
WO/1998/014164A2
The present invention relates to the use of water-soluble copolymers consisting of such characteristic structural elements as a) acrylic acid amide of the general formula (I), where R?1� et R?2� stand, independently of each other, fo...  
WO/1998/006375A1
Wet tacky compositions containing, as a component A, at least one member selected from the group consiting of polyvinylpyrrolidone, vinylpyrrolidone/vinyl, acetate copolymers, polyethylene oxide and half esters of methyl vinyl ether/male...  
WO/1998/006757A1
The present invention relates to aqueous compositions having pH of less than or equal to about 11 and which contain a thickening amount of an acrylate-based rheology modifier, which modifier contains an emulsion which is prepared by sing...  
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...  
WO/1998/004602A1
In accordance with the present invention, it has been discovered that perfluorinated hydrocarbon polymers can be used as fillers for the preparation of adhesive formulations having excellent dielectric properties, i.e., very low conducti...  
WO/1997/045517A1
The use of water-soluble copolymers which contain (a) 5 to 20 mol % N-vinyl imidazole or 4-vinyl pyridine-N-oxide, (b) 95 to 50 mol % N-vinyl pyrrolidone, N-vinyl oxazolidone, methyl-N-vinyl imidazole or their mixtures and (c) 0 to 30 mo...  
WO/1997/043325A1
An acrylic polymer of polymerized monomers of about 55-80 % by weight of an alkyl methacrylate having 1-12 carbon atoms in the alkyl group, and alkyl acrylate having 1-12 carbon atoms in the alkyl group, substituted or unsubstituted aryl...  
WO/1997/041164A1
Polymers having non-thrombogenic properties can be prepared by copolymerising monomers of at least three classes selected from (a) monomers having sulphate groups, (b) monomers having sulphonate groups, (c) monomers having sulphamate gro...  
WO/1997/040078A1
Thermoreversible hydrogels comprising nonionic, uncrosslinked copolymers, and methods of their use in electrophoresis, are provided. The subject copolymers comprise polyacrylamide backbones, where a portion of the acrylamide monomeric un...  
WO/1997/035897A1
Novel depressants for depressing sulfide minerals during froth flotation of ores to recover value minerals are disclosed, as well as a method for their use in the froth flotation. The novel depressants are terpolymers of a (meth)acrylami...  
WO/1997/031041A1
Strongly swellable, moderately cross-linked poly(vinyl)pyrrolidone/vinyl acetate) copolymer (XL-PVP/VA) in the form of fine, white powders characterized by (a) an aqueous gel volume of about 15 to 150 ml/g of polymer, (b) a Brookfield vi...  
WO1997019702A3  
WO/1997/029139A1
A polymerizable composition consisting essentially of about 50 to about 90 % by weight of vinylpyrrolidone monomer, about 10 to about 50 % by weight of vinyl caprolactam monomer, and about 0.5 to about 7 % by weight of a cross-linker, wh...  
WO/1997/026288A1
Thermoreversible hydrogels comprising non-ionic, linear copolymers, and methods of their use in electrophoresis, are provided. The subject copolymers comprise polyacrylamide backbones, where a portion of the acrylamide monomeric units co...  
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/1997/022640A1
The present invention is directed to a new aqueous dispersion of surface active polymer which demonstrates enhanced surface active and performance properties more particularly as a foaming agent. The polymer comprises a vinyl monomer hav...  
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...  
WO/1997/019922A1
The invention concerns tetramethylpiperidine-containing copolymers comprising between 1 and 100 mol % identical or different monomer units of general formula (I), in which R1 = COOR7, COR8, CONR8R9, CN; R2 = H, C1-C12 alkyl, COOR7, COR8,...  

Matches 401 - 450 out of 3,144