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Patent Searching and Data


Matches 501 - 550 out of 2,975

Document Document Title
WO/1990/013813A1
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/1990/012041A1
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/1990/011253A1
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/1990/009013A2
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/1990/006344A1
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...  
WO1990003367A3  
WO1990003368A3  
WO/1990/003406A1
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/1990/003368A2
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/1990/003367A2
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/1990/001920A1
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/1989/010131A1
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/1989/008021A1
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/1989/005829A1
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/1989/004824A1
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/1989/003386A1
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/1988/007062A1
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/1988/005433A1
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/1988/003194A1
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/1987/006595A1
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/1987/002041A1
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/1987/000537A1
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/1986/005777A1
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/1986/005778A1
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/1986/003501A1
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/1986/002371A1
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/1985/002853A1
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/1983/002449A1
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/1982/002073A1
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/1982/001553A1
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/1980/000253A1
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...  
JP5912982B2  
JP2016053101A
【課題】優れた耐熱性等を有する新規な活性 エネルギー線重合性樹脂組成物であって、各 種光学フィルムの貼り合わせにおいて、概活 性エネルギー線重合性樹脂組成物を使用...  
JP5893004B2  
JP5890323B2  
JP5888244B2  
JP5878509B2  
JP5877003B2  
JP5868430B2  
JP5865847B2  
JP5846336B2  
JP5835998B2  
JP5819972B2  
JP2015199784A
To provide a curable resin composition making it possible to obtain a substrate end protectant that effectively improves the impact resistance of a substrate end, and a substrate end protectant prepared using the curable resin compositio...  
JP5812045B2  
JP2015531799A
本発明は、ビニルラクタムポリマーの水溶液 を製造する方法、およびそれから、特にポリ ビニルピロリドンを乾燥することにより得ら れる固体に関する。前記方法は、二酸化...  
JP5802596B2  
JP5800323B2  
JP5796063B2  
JP5799019B2  

Matches 501 - 550 out of 2,975