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Matches 551 - 600 out of 3,025

Document Document Title
WO/1997/016488
A polymer useful as an inorganic pigment dispersant is provided. The polymer is derived from monomers consisting essentially of an ethylenically unsaturated aromatic monomer, an ethylenically unsaturated dicarboxylic acid monomer, and an...  
WO/1997/013742
Hydroxy functional, unsaturated diesters are disclosed that comprise the esterification reaction products of unsaturated anhydrides with secondary alcohols to form monoesters, followed by oxyalkylation of the monoester with epoxy compoun...  
WO/1997/011978
N-Cyclohexylmaleimide having a cyclohexylaminosuccinic anhydride content of 0.001 to 1 wt.% is used as the main raw material for the production of heat-resistant resins. The resins are produced by a process of copolymerizing the above ma...  
WO/1997/011218
A composition of partial esters or thioesters formed from copolymers of maleic anhydride and perfluoroalkyl alcohols or perfluoroalkyl thiols is disclosed, and a process for providing soil and stain resistance to fibers by application of...  
WO/1997/006191
A process for producing a copolymer of an 'alpha','beta'-unsaturated monomer having at least one pendant unit selected from a carboxylic acid group and derivatives thereof and a copolymerisable monomer is described in which the process i...  
WO/1997/003373
The invention relates to photochromic transparent organic materials presenting an index of refraction of more than 1.55, which are free of optical distortions and are prepared by radical polymerization of a polymerizable composition comp...  
WO/1996/041784
Clathrate hydrate formation in petroleum fluid streams is inhibited by adding water soluble polymers having N-vinyl amide or N-allyl amide units to the streams. Each N-vinyl amide and N-allyl amide unit has two substituent groups, R1 and...  
WO/1996/041834
The instant invention relates to novel copolymers of N-vinyl amides and acrylamides and N-allyl amides and acrylamides. The polymers are used for inhibiting the formation of clathrate hydrates in a fluid having hydrate forming constituen...  
WO/1996/041850
A bifunctional anti-settling and dispersant additive for middle distillates from 150-450 �C petroleum fractions, characterised in that it consists of at least one modified copolymer with a weight-average molecular weight of 500-5000. I...  
WO/1996/040809
The present invention is directed to a porous terpolymer microparticle having a high oil absorbency. The method of the present invention comprises the steps of: dissolving butyl methacrylate, allyl methacrylate, and an ethylene glycol di...  
WO/1996/038486
A cross-linkable polymeric casting composition including an effective amount of A: an acrylic or methacrylic monomer which provides high rigidity and low colour dispersion (High Abbe number) to the final product; B: a di- or polythio com...  
WO/1996/037574
A photochromic curable composition prepared by blending a monomer mixture comprising: (A) a compound having at least one epoxy group in the molecule (e.g., glycidyl methacrylate), (B) polypropylene glycol di(meth)acrylate, (C) polyethyle...  
WO/1996/035731
The invention is a water-soluble, surface active silicon-containing polyelectrolyte polymer and its use as coagulants for the control of pitch in pulp and paper mills; in clarifying ink-containing effluent water from recycled paper produ...  
WO/1996/035728
Water-soluble polymers consist of (a) monoethylenically unsaturated dicarboxylic acids and/or their salts; (b) monoethylenically unsaturated monocarboxylic acids and/or their salts; (c) mono-unsaturated monomers that may be hydrolysed or...  
WO/1996/032429
This invention provides polymers useful in coating compositions. The polymers are prepared via a free radical polymerization using ethylenically unsaturated monomers. The polymers of this invention possess pendant allylic groups which ar...  
WO/1996/028486
Copolymers I bearing functional groups and consisting of a) 30 to 70 mol% of at least one monoethylenically unsaturated C4 to C12 dicarboxylic acid or its anhydride and b) 30 to 70 mol% of an oligomer of a 1-olefine with 3 to 14 C atoms,...  
WO/1996/026987
A radiation-curable coating composition comprising a PVC resin, an acrylic or methacrylic compound and a radiation-reactive urethane oligomer. Also described is a process for coating a material, comprising the steps of applying to the ma...  
WO/1996/026976
An improved hydraulic cement and resultant hydraulic cement composition which has an alkyl terminated alkoxy amine derivative of maleic acid based polymer or copolymer uniformly distributed therein.  
WO/1996/026184
Polymeric compositions for the preparation of optical grade materials, and the optical materials prepared thereby, are provided. The compositions include a class of reactive and non-reactive additives, referred to as additive, in combina...  
WO/1996/026457
A copolymer for optical fiber applications is the polymerization product of a mixture comprising a fluorinated itaconate and an alkyl (meth)acrylate.  
WO/1996/018714
A detergent builder comprising a maleic acid copolymer produced by copolymerizing a maleic acid (salt) with comonomers by using both hydrogen peroxide and a persulfate salt as the polymerization initiator and having a weight-average mole...  
WO/1996/018122
Copolymers formed from dimethacrylates of polyalkylene glycols and vinylic reactive silicones having up to 20 silicon atoms in the substantial absence of additional cross-linking agents are disclosed. The copolymers may include a hydroph...  
WO/1996/015165
The invention concerns the preparation of terpolymers by the radical polymerization of an unsaturated dicarboxylic acid with an unsaturated monocarboxylic acid and a further unsaturated monomer which does not contain any free carboxyl gr...  
WO/1996/014347
A copolymer with an acid value less than one contains alternating units of a vinyl monomer and a diester of a dicarboxylic acid wherein at least one of the esterifying groups contains a polyether group. The copolymer is particularly usef...  
WO/1996/010048
An improved process for the continuous copolymerization of ethylene with certain polar comonomers having reactive double bonds is disclosed wherein reactor fouling is significantly reduced or eliminated by use of surfactants.  
WO/1996/008522
A process for producing a multicomponent styrene/(meth)acrylate copolymer by conducting the aqueous solution polymerization of a monomer mixture comprising (1) 30-50 mol.% of a styrene compound, (2) 5-20 mol.% of a half-ester of an 'alph...  
WO/1996/006884
Alkyl cyanoacrylate compositions comprising at least one alkyl cyanoacrylate, a biocompatible plasticizer (preferably dioctyl phthalate), and SO2 as an anionic polymerization inhibitor are provided. These compositions are suitable for to...  
WO/1996/005237
A perfluoroalkyl diester of maleic or fumaric acid; a copolymer produced from the perfluoroalkyl diester, a lower alkyl (meth)acrylate, and if necessary styrene; and antifouling agent comprising the copolymer and excellent in water repel...  
WO/1996/004882
A novel denture adhesive composition contains an adhesive mixture comprising sodium carboxymethyl cellulose and, either a partially neutralized sodium, magnesium, zinc mixed salt or a partially neutralized magnesium, zinc mixed salt of a...  
WO/1996/002582
This invention is related to the synthesis of novel types of maleic-acrylic copolymers containing 60 to 100 % of maleate units (by weight), respectively, 40 to 0 % of acrylate units (by weight) based on the sum of both monomeric units co...  
WO/1995/034587
The invention concerns copolymers containing a) 5 to 90 mole % of vinyl formate units, b) 10 to 95 mole % of units of monoethylenically unsaturated carboxylic acids, c) 0 to 70 mole % of units of monoethylenically unsaturated dicarboxyli...  
WO/1995/030161
A synthetic resin lens made from a cross-linked polymer prepared by (co)polymerizing a monomer composition comprising the following components (A) and/or (B) as the essential ingredient and optionally containing a component (C) comprisin...  
WO/1995/026992
The invention concerns copolymers of terpenes without conjugated double bond and vinyl compounds and/or dicarboxylic acids with a C-C double bond and their derivatives as comonomers. They are preferably prepared in a radical mass polymer...  
WO/1995/025755
The invention relates to copolymers of: a) 1 to 65 mol% of at least one diketen of the general formula (I) in which R1 and R2 are mutually independently hydrogen or C1-C30 alkyl; b) 30 to 70 mol% of at least one ethylenically unsaturated...  
WO/1995/022569
The invention relates to a process for preparing copolymers from vinyl esters and monoethylenically unsaturated carboxylic acids by the radical copolymerisation of: (a) 20 to 80 mol % vinyl esters of aliphatic monocarboxylic acids having...  
WO/1995/021875
A suspension polymerization process for preparing styrene maleate polymers.  
WO/1995/020056
Aqueous solutions or dispersions of copolymers obtainable by the radical copolymerisation of A1) 50 to 60 mol% C6 to C40 mono-olefines or C6 to C40 alkyl vinyl ethers or mixtures of C6 to C40 alkyl vinyl ethers and up to 50 mol%, in rela...  
WO/1995/018837
A maleimide copolymer comprising maleimide monomer units, aromatic vinyl monomer units and other vinyl monomer units and having the following characteristics, and a maleimide resin composition comprising the above copolymer and a rubbery...  
WO/1995/017456
ahis invention relates to a 1-8 % crosslinked terpolymer of alkyl vinyl ether, maleic anhydride and a C10 to C20 alkyl (meth)acrylate in a critical molar ratio of from 1-3:1:0.01-0.08, which polymer has a pH of from about 4 to about 11, ...  
WO/1995/011279
Novel polymerizable yellow dyes are disclosed. Additionally, novel and known dyes are used to block or lower the intensity of blue light transmitted through ocular lenses and other windows.  
WO/1995/007944
Functional group bearing copolymers (I) consist of: a) 20-60 mol % of at least one monoethylenically unsaturated C4-C6-dicarboxylic acid or its anhydride; b) 10-70 mol % of at least one oligomer of propene or of a branched 1-olefin with ...  
WO/1995/005856
The subject invention pertains to an aqueous fluid absorbent polymer having a superior balance of absorptive properties. In particular, the subject invention provides an aqueous fluid absorbent polymer characterized by a centrifuge capac...  
WO/1995/006074
Water-soluble copolymerizates are disclosed containing carboxyl groups, and also containing the following components incorporated by polymerization: (a) 30 to 80 mol % monoethylenically unsaturated C3-C8 carboxylic acids, anhydrides ther...  
WO/1995/003790
The invention pertains to the use of cross-linked copolymers produced by precipitation polymerization of monomer mixtures of: (a) monoethylenically unsaturated C3 to C8 carboxylic acids, their anhydrides or mixtures of said carboxylic ac...  
WO/1995/003342
A maleic copolymer having a weight-average molecular weight of 1,000 to 100,000, a calcium ion scavenging capacity of at least 300 mgCaCO3/g, and a clay dispersing capacity of at least 1.2; and another maleic copolymer having a clay adso...  
WO/1994/028414
A sensor format is described based on the impedance analysis of polymer coatings of electrodes. The detectable signal is produced by the effect of a reactive or catalytic species at or very near to the polymer coated electrode. Said reac...  
WO/1994/028050
A modified bisimide resin is prepared by copolymerizing a bisimide monomer and a cyclic triene. The copolymerization of a bisimide with a cyclic triene such as 1,2,4-trimethylenecyclohexane provides a modified bisimide having good fractu...  
WO/1994/023314
Copolymers useful as contact lens materials are the polymerization product of a mixture comprising: (a) an itaconate; (b) a compound represented by formula (I), wherein each A is independently an activated unsaturated radical; each R is ...  
WO/1994/022502
An improved superabsorbent polymer foam having a morphology to provide improved absorptive properties is disclosed. The foam preferably comprises a superabsorbent polymer formed from a substantially water-soluble, unsaturated monomer hav...  
WO/1994/021757
The invention pertains to a lubricant or lubricant additive having a viscosity ranging from 200 to 1100 cSt which at the same time is compatible with non-polar base fluids such as poly(alpha-olefins), and which comprises a copolymer of a...  

Matches 551 - 600 out of 3,025