Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 401 - 450 out of 1,589

Document Document Title
WO/1991/010690
A catalytic process for free radically induced polymerization and graft copolymerization of a free radically polymerizable monomer onto a compound in the presence of a free radical initiator, an organic catalyst and in the presence or ab...  
WO/1991/009888
The invention relates to copolymers with an average content of 1.25 to 30 functional groups per molecule and an average molecular weight of from 1500 to 6000 which can be produced by radical solution polymerisation at 130 to 200 �C fro...  
WO/1991/009067
Water-soluble, amphoteric grinding and/or dispersion agent for aqueous mineral suspensions with the formula (I) having the general form: -(A)p-(B)q-(C)r, where (A) is an anionic ethylene monomer with carboxylic function, (B) is a non-ion...  
WO/1991/009061
High-temperature oil-resistant elastomers are prepared from butadiene alkenylpyridine copolymers, butadiene-acrylate copolymers, and copolymers of butadiene with 1,3-dienes containing fluorine. The unsaturated olefinic backbone and penda...  
WO/1991/007449
Polymers comprising recurring units represented by structures (1), (2) and (3), where R?1¿, R?2¿, D, J, Y, a, b, and c are as defined herein are useful for controlling wandering of filter dyes in photographic elements.  
WO/1991/002013
Curable bisimide compositions containing at least one biscitraconimide having general formula (I), wherein D is a divalent group, R is CH2-R1, and R1 is independently selected from hydrogen and alkyl groups having 1-18 carbon atoms; at l...  
WO/1991/001336
A method for producing an acidic, concentrated, polymeric emulsion that can be diluted and thereafter neutralized to provide a novel polymeric thickener is disclosed. The method comprises emulsion-polymerizing, in acidic aqueous media, a...  
WO/1991/000302
What is described herein is a precipitation polymerization process and terpolymer products produced thereby. Polymerization is carried out in a reaction mixture of a vinyl lactam, e.g. vinyl pyrrolidone or vinyl caprolactam, a polymeriza...  
WO/1990/014314
Water-soluble copolymerizates obtained by polymerization of the following characteristic monomers: (a) 99 to 50 wt.% of monoethylenically unsaturated carboxylic acids with 3 to 8 carbon atoms or their salts and (b) 1 to 50 wt.% of N-viny...  
WO/1990/013813
A method and apparatus are presented for the casting of gradient gels, without voids, in confined support structures such as thin slab-type configurations. Furthermore, by using a differential activation scheme for the casting, the metho...  
WO/1990/013577
The invention relates to the production of high molecular weight vinyl lactam-quaternized amino acrylamide copolymers having less than 0.1 % residual unreacted monomer, which comprises: subjectinmg the monomers to solution polymerization...  
WO/1990/012041
What is described herein is a precipitation polymerization process and copolymer products produced thereby. Polymerization is carried out in a reaction mixture of a vinyl lactam, e.g. vinyl pyrrolidone or vinyl caprolactam, and a polymer...  
WO/1990/011253
The use of non-hydrolysed copolymers of: (a) 99 to 1 mol % N-vinyl formamide and (b) 1 to 99 mol % of at least one water-soluble dialkyl aminoalkyl acrylamide in the form of salts or quaternary products or of a dialkyl ammonia compound a...  
WO/1990/009013
Disclosed is an elastomeric article comprising the cross-linked, polymerized product of (i) a quaternary ammonium compound having the formula N?+¿R¿4? X?-¿, wherein at least one of the R groups is unsaturated alkyl and the remaining R...  
WO/1990/006344
The invention concerns the use of copolymers containing amino groups in aqueous, water-soluble solutions as temporary coatings in paint spray booths. The compositions are obtained by the copolymerization of (a) 15-90 % by wt. of a nitrog...  
WO/1990/003368
A cross-linked polymer-supported 4-(N-benzyl-N-methylamino)pyridine material and process for its preparation in high yield and having effective physical and catalytic properties. The polymer-supported catalyst is characterized by the sus...  
WO/1990/003367
A cross-linked polymer-supported 4-(N-benzyl-N-methylamino)pyridine material and process for its preparation in high yield and having effective physical and catalytic properties. The polymer-supported catalyst is characterized by the sus...  
WO/1990/003406
The invention discloses the processes and materials for treating materials to minimize the deposition of proteins and other molecules, and for removing proteins and other molecules from materials. New copolymers containing polyethylene o...  
WO/1990/001920
The invention relates to a hydrolysis resistant, high molecular weight polymer represented by formula (I), wherein R is alkylene having from 3 to 8 carbon atoms which is optionally substituted with lower alkyl; R1 and R2 are each hydroge...  
WO/1989/010131
Antithrombogenic and antibiotic composition of matter and method of preparation thereof. A random copolymer of a component of garlic and a biocompatible polymer has been prepared and found to exhibit antithrombogenic and antibiotic prope...  
WO/1989/008021
Stereolithographic method of forming a three-dimensional thin-walled object is comprised of repeatingly exposing surface of reservoir of liquid ultraviolet-curable ethylenically unsaturated material to actinic light in or near ultraviole...  
WO/1989/005829
Pressure-sensitive copolymers based on acrylic monomers are provided with high adhesive performance characteristics by the inclusion of a synergistic amount of an N-vinyl lactam monomer and a glycidyl monomer with the bulk of the monomer...  
WO/1989/004824
The styrene derivative of the present invention is characterized by comprising a compound represented by general formula (I), wherein at least one of R1, R2, R3, R4 and R5 is a carboxyl group, an alkyl group having 1 to 5 carbon atoms, a...  
WO/1989/003386
Ultraviolet light absorbing, polymerizable phenothiazine and azaphenothiazine monomers, copolymers thereof and articles of manufacture, including lenses, optical devices, plastic films and hydrogels, constructed therefrom.  
WO/1988/007062
Azlactone-functional polymer beads are useful reactive supports for the attachment of functional materials to provide novel adduct beads. The adduct beads are useful as complexing agents, catalysts, polymeric reagents, chromatographic su...  
WO/1988/005433
Cross-linking reagents which are highly specific for sulphydryl groups and react with thiols at an excellent rate. The essential feature of the reagents is at least one vinyl group conjugated with an aromatic nitrogen heterocycle. Partic...  
WO/1988/003194
A process for making paper which comprises making paper from a pulp slurry containing a neutral sizing agent and, if necessary, a filler and containing as a paper quality improver a cationic polymer prepared by copolymerizing an acrylami...  
WO/1987/006595
Novel water soluble alpha-methyl-(2-methylpropyl)benzene acetic acid in a complexed state which is derived from the reaction between an N-vinyl-2-pyrrolidone copolymer and the alpha-methyl-(2-methylpropyl)benzene acetic acid and to the p...  
WO/1987/002041
A soluble acrylic copolymer is obtained by copolymerising a monomer in an amount greater than 3 to 30% of the total monomer weight and comprising at least 2 polymerisable, olefin-unsaturated double links, monomers containing functional g...  
WO/1987/000537
Method of producing high molecular weight copolymers from vinyl monomers such as vinylpyridine and styrene by emulsion polymerization which comprises combining the monomers with a particular surfactant, a polymerization initiator in an a...  
WO/1986/005778
Compounds of the general formula (I) in which Z represents CH1R2(OR3) or phenyl; R1 represents H, C1-6-alkyl or phenyl; R2 represents H, C1-6-alkyl or C1-6-alkoxy; R3 represents H, C1-6-alkyl or C1-6-alkanoyl and Z' represents Y- AD(CH2)...  
WO/1986/005777
Compounds of the general formula (I) in which Z represents CR1R2(OR3) or phenyl with R1 H, C1-6 alkyl or phenyl, R2 H, C1-6 alkyl or C1-6 alkoxy, R3 H, C1-6 alkyl or C1-6 alkanoyl and Z' represents Y AD(CH2)m-X BD- with X CH2 or O, Y OH;...  
WO/1986/003501
Process for copolymerization of vinylpyrrolidone and maleic anhydride in the presence of organic solvent, catalyst and between about 0.1 and 1.0 weight % water.  
WO/1986/002371
Latexes containing particles having pendant coreactive groups and oxazoline groups . Said latexes are self-curing yielding films and other articles having excellent tensile strength and resistance to water and other solvents. In addition...  
WO/1985/002853
A copolymer formed from an isoimide oligomer and another compound, such as an aryl sulfone, each of which has reactive functional terminal groups, such as ethylenic or acetylenic groups. The isoimide oligomer is soluble in the other comp...  
WO/1983/002449
In order to facilitate drilling in oil-bearing grounds by means of chemical fluids, aqua-soluble polymers are used as lubricant fluid additives in the drilling wells, said aqua-soluble polymers having the following statistic distribution...  
WO/1982/002073
New copolymers soluble in an aqueous medium, which are stable in a highly concentrated medium of Bronsted-Lowery acids. These copolymers are used as acid lubricants in the field of oil and natural gas boring. The copolymer according to t...  
WO/1982/001553
Cross-linked hydrophilic polymers, useful inter alia for the manufacture of contact lenses capable of absorbing water to a water content of 63 to 90% by weight while retaining excellent tensile strength contain hydrophilic units of N-vin...  
WO/1980/000253
A new composition of matter specially adapted for the production of contact lenses, artificial eyes or other prosthetic devices. The composition has the characteristics of increased hydrophilicity, softness after hydration and oxygen per...  
JP2014058638
To provide a rubber composition for a tread capable of improving high mileage, wet grip performance and wear resistance in a good balance.The rubber composition for a tread comprises silica, a polyalkylene glycol having a branched struct...  
JP2014043667
To add surface effects on a paper substrate through use of a fluorochemical copolymer.A method of adding surface effects on a flexible, fibrous and nonwoven substrate includes a step of bringing the substrate into contact with a copolyme...  
JP2014035398
To provide a toner for electrostatic charge image development imposing a small load on environment and a manufacturing method of the same.The toner for electrostatic charge image development comprises toner particles containing resin, an...  
JP2014031521
To provide a biocompatible intraocular lens material having a high refractive index.The present invention relates to novel materials particularly useful for ophthalmic applications and methods for making and using the same. More particul...  
JP2014009346
To provide a modifier for a drilling fluid which is excellent in preventing swelling.The drilling fluid modifier comprises a polyvinyl alcohol resin aqueous solution having a cationic structural unit represented by the specified general ...  
JP2014001308
To provide a rubber composition for a tread that can improve high mileage, wet grip performance, and abrasion resistance in favorable balance.A rubber composition for a tread is characterized in that a content of a conjugated diene polym...  
JP2014001132
To provide a glass fiber sizing agent in which a general purpose property to a matrix resin of a glass fiber-reinforced resin is high.A glass fiber sizing agent includes an amphoteric polymer compound, a lubricant, and water, wherein the...  
JP2013255863
To develop a sludge dewatering agent that has excellent flocculation and high cake water content decrease capability for a sewage mixed raw sludge, a sewage surplus sludge, a sewage digestion sludge, and various surplus sludge in a sewag...  
JP2013216897
To provide an improved method for producing a copolymer which is created by copolymerizing at least one hydrophilic N-vinyllactam and at least one hydrophobic comonomer and which is soluble in water to become a clear solution by free rad...  
JP2013210526
To provide a (meth)acrylic ester-based colored resin particle for electrophoresis, being excellent in dispersibility in a nonpolar solvent and in inhibition of aggregation with a particle having different charge polarity.The above proble...  
JP2013194170
To provide an adhesive which satisfies adhesive performance, and by which low dielectric constant is attained in an adhesive layer.An adhesive includes (meth)acrylic polymer obtained by polymerizing a monomer component including alkyl (m...  

Matches 401 - 450 out of 1,589