Abstract: An aqueous dispersion comprising a copolymer which is the polymerization product of a mixture of vinylic monomers wherein from about 5% to about 90% by weight of the vinylic monomers are selected from co-esters of a drying oil acid and an unsaturated &agr;, &bgr;-polymerizable unsaturated carboxylic acid, contains from about 0.5% to about 50% by weight based on the weight of the copolymer of a hydrophobic ester or partial ester of a drying oil acid and a polyol. The copolymer polymerized in the presence of the hydrophobic ester or partial ester is characterized by a relatively low gel content, and by a relatively broad, multi-nodal, molecular weight distribution, including a low molecular weight component which acts as a transient plasticizer and coalescing agent. The aqueous dispersions can be formulated into quick drying coating compositions which form smooth protective films on various substrates, without requiring volatile coalescing agents.

Abstract: A denture adhesive comprising a copolymer salt at least partially cross-linked by lysine, histidine, arginine, nontoxic derivatives or family members of lysine, histidine or arginine and mixtures thereof.

Abstract: A primer/bonding composition for dental restorations comprising a photoinitiator system and a monomer system consisting essentially of at least one polymerizable acidic component and at least one hydrophilic monomer. The presence of a high viscosity monomer such as Bis-GMA is not required. The composition has excellent bonding properties, and is shelf-stable for at least about one year when stored in one container.

Abstract: The invention relates to vinylcyclopropane derivatives according to the formula ##STR1## in which A is --[--Y--CO--C(.dbd.CH.sub.2)R.sup.4 ].sub.m or --C(.dbd.CH.sub.2)CO--O--C.sub.1-4 -alkyl, U and X, independently of each other, stand for CO, COO or CONH; Y and Z stand for O or NH or are absent, but Y and Z cannot be absent at the same time; n, m stand for a whole number from 0 to 4, but n and m are not 0 at the same time; R.sup.1 is H, CH.sub.3 or Cl; R.sup.2, R.sup.3 stand for H, a C.sub.1 - to C.sub.10 -alkyl or alkylene radical, which can be interrupted by O, S or NH, for a C.sub.6 - to C.sub.14 -aryl or arylene, C.sub.7 - to C.sub.14 -alkylaryl or alkylarylene or a C.sub.5 - to C.sub.8 -cycloalkyl or cycloalkylene radical; and R.sup.4 is H or a C.sub.1 - to C.sub.10 -alkyl radical, and to processes for their production. The compounds are suitable in particular for the production of adhesives, cements, composites and mouldings.

Abstract: The invention describes a transparent, elastomeric dental cement composition suitable for temporary or provisional restorations that comprises: (a) at least one multifunctional oligomer or prepolymer as a binder; (b) at least one finely divided filler; and (c) at least one initiation system for polymerization. The cement has a high translucency which does not alter the color shade of a temporary prosthesis or appliance and great flexibility which allows the dentist to remove the temporary appliance easily and clean both the temporary appliance and the dental tissues easily. The invention also describes a method of using the transparent, elastomeric dental cement.

Abstract: Phase change compositions that are solid at ambient temperature and liquid at an elevated temperature above ambient temperature are disclosed for advantageous use in selective deposition modeling methods for building three-dimensional objects. A phase change composition according to the disclosed invention is a semi-crystalline component mixture having a freezing point of at least about 68.degree. C., a melting point of at least about 88.degree. C. and a viscosity of about 13 centipoise at 135.degree. C. The composition includes a plurality of waxes having a broad melting point range and molecular weight range. Three-dimensional objects having minimal curl, delamination and stress cracks can be produced at a faster rate than heretofore known by using selective deposition modeling techniques employing the disclosed compositions.

Abstract: Dental restorative compositions of the composite resin/glass ionomer hybrid type and resins used in the compositions. The compositions contain an aromatic-moiety-containing polymerizable resin, a finely divided ion-leachable fluoroaluminosilicate glass filler, a polymerization initiator system, and may contain other components. The aromatic-moiety-containing polymerizable resin has at least one carboxylic acid group and at least one ethylenically unsaturated group such as a (meth)acrylate group. The compositions have improved mechanical strength, improved wear resistance, and sustained long-term fluoride release.

Abstract: The present invention provides a dental composite which has the high strength required for load bearing restorations, yet maintains a glossy appearance, even after substantial wear. Through the use of particles having a mean particle size between about 0.05 .mu.m and about 0.50 .mu.m, the composite is useful in stress bearing restorations and in cosmetic restorations. The structural filler used is typically ground to a mean particle size of less than 0.5 .mu.m and also includes a microfill having a mean particle size less than 0.05 .mu.m to improve handling and mechanical characteristics. The preferred dental composites maintain their surface finish even after substantial use and also have the strength properties of hybrid composite resins. The structural filler is ground, typically by agitator milling, to the preferred particle size.

Abstract: The invention is directed to aqueous coating compositions which are freeze-thaw stable in the absence of conventional volatile coalescing solvents and volatile freeze-thaw (F/T) additives and which utilize a latex binder which contains an EVA thermoplastic interpolymer which is prepared by emulsion polymerization of ethylene, vinyl acetate and a monomer represented by structure (I) ##STR1## where R is hydrogen or a methyl group, X is O or NH, and n is an integer from 1 to 11 and to the latex binder which contains the EVA interpolymer.

Abstract: A denture adhesive composition is disclosed and comprises a polymeric activator in an amount of up to about 3 percent by weight based on the total weight of the denture adhesive composition. This composition exhibits enhanced adhesive performance and reduces oozing and incidence of food occlusion. Also disclosed is a method of preparing a denture adhesive composition comprising: preparing a mixture which comprises a polymeric activator in an amount of up to about 3 percent by weight based on the total weight of the denture adhesive composition; forming a denture adhesive composition including the mixture; and recovering the denture adhesive composition. A method of making a denture adhesive composition more adhesive and less oozing is disclosed as well. This method comprises adding to the denture adhesive composition a polymeric activator in an amount of up to about 3 percent by weight based on the total weight of the denture adhesive composition.

Abstract: The use of polymerizable monomeric conditioning agents for treating the enamel and dentin of a tooth prior to application of a primer and subsequent application of a bonding resin, or a combination of a primer/bonding resin has been found to provide good shear bond strength on both moist and dry dentin. In addition, the contact angles provided by water on dentin conditioned with the polymerizable conditioners as compared to the non-polymerizable phosphoric acid are much lower, reflecting improved spreading over the surface of the tooth.

Abstract: A liquid crystalline compound, a polymeric product formed by polymerization of the liquid crystalline compound, a dental composition including the liquid crystalline compound and method of using the dental composition. Polymerization of the liquid crystalline compound results in an low volume percent shrinkage and a high conversion to polymer. The composition of the invention is useful for dental adhesive, primer, cement, pit and fissure sealant and restorative.

Abstract: The aqueous polyorganosiloxane emulsion, in particular for the coating of textiles or similar materials, which comprises an organopolysiloxane formula which is a precursor of the elastomer comprising a polydiorganosiloxane, preferably an inorganic filler, a catalyst and optionally a crosslinking agent, in the absence of surfactant in this formula, is characterized in that the organopolysiloxane formula is in emulsion in an aqueous protective hydrocolloid solution and in that this emulsion is obtained by direct emulsification of the complete organopolysiloxane formula in the aqueous protective hydrocolloid solution. The protective hydrocolloid is preferably a poly(vinyl alcohol) (PVA) or a PVA mixture.Preparation method relating thereto, coating process using these emulsions and products thus coated.

Abstract: A dental resin composition is presented, comprising an ethoxylated bisphenol A dimethacrylate having the formulaCH.sub.2 .dbd.C(CH.sub.3)CO.sub.2 (C.sub.2 H.sub.4 O).sub.x C.sub.6 H.sub.4 C(CH.sub.3) .sub.2 C.sub.6 H.sub.4 (OC.sub.2 H.sub.4).sub.y O.sub.2 CC(CH.sub.3).dbd.CH.sub.2wherein x+y is an integer from 1 to 20, and preferably from 2 to 7, together with a methacrylate oligomer and an optional diluent monomer. The composition is suitable for use for dental fillers adhesives, and the like, and has improved water sorption and excellent wear resistance.

Abstract: The invention provides dental cement compositions and methods of using them for binding hard tooth material, metal and ceramic. The cement compositions include shelf stable complexes of ethylenically unsaturated monomers reacted with cations. The cements have superior adhesion to tooth without separately acid etching dentin or enamel.

Abstract: A maleimide-based copolymer containing maleimide monomer units (a-1), aromatic vinyl monomer units (a-2) and other vinyl monomer units (a-3), wherein,(I) the content of residual maleimide monomer in the copolymer is 0.1% by weight or less, and the content of whole volatiles other than the maleimide monomer is 0.5% by weight or less;(II) a compound obtained from at least one monomer selected from the group consisting of a maleimide monomer, an aromatic vinyl monomer and other vinyl monomers, having a weight-average molecular weight of from 200 to 1,000, is contained in an amount of 2 to 10% by weight;(III) the copolymer has a yellow index of 30 or less; and(IV) the copolymer has an intrinsic viscosity of from 0.3 to 1.5.

Abstract: A formaldehyde-free curable composition useful for binding nonwovens comprises(a) a polyacid comprising at least two carboxylic acid groups, anhydride groups, or salts of the polyacid thereof;(b) an active hydrogen compound containing at least two active hydrogen groups selected from the group consisting of hydroxyl, primary amino, secondary amino, and mixtures thereof; and(c) one or more compounds selected from the group consisting of cyanamide, dicyandiamide, 1,2-mono- or di-(C.sub.1 -C.sub.6 alkyl) substituted-3-cyanoguanidines such as ethyl-3-cyanoguanidine, 1,2-diethyl-3-cyanoguanidine, and 1,2-diisopropyl-3-cyanoguanidine, and 1,2-mono- or di-(C.sub.6 -C.sub.12 aryl) substituted-3-cyanoguanidines, such as phenyl-dicyandiamide; and, optionally(d) an accelerator;wherein the ratio of the number of equivalents of said carboxylic acid groups, anhydride groups, or salts thereof to the number of equivalents of said active hydrogen groups is from 1/0.

Abstract: The present invention is directed to a powder coating composition containing at least one film forming resin and a non-flatting and slip-enhancing amount of at least one additive. The additive is a non-crosslinked reaction product of a hydroxy compound and a carboxylic acid where the reaction product contains at least one ester functionality and at least one straight chain hydrocarbyl group of about 10 to about 100 carbon atoms. The most preferred additive is sorbitan tristearate. The cured powder coatings exhibit lower coefficient of friction and substantial gloss retention.

Abstract: A dental composition which comprises (A) a phosphoric acid group-containing monomer, (B) a carboxylic acid groups-containing monomer and (C) water as main components in amounts of 0.5 to 50% by weight, 1 to 50% by weight and 5 to 90% by weight, based on the composition, respectively; and a dental adhesive kit comprising a dental primer composition containing the monomer (A) and water and an adhesive containing a carboxylic acid-containing polyfunctional monomer and a polymerizable initiator.

Abstract: An additive for, a method of adding thereof to uncured mixes for and resulting cured cement-type concreations such as cured embodiments of concrete, marcadam, and roof-top shingles each exhibiting improved heat and freeze-thaw durability resulting from reduced efflorescence and stability against sun ultraviolet light exposure.

Abstract: A multiple-part dental adhesive primer composition is provided in at least two parts, A and B. Part A comprises an acidic polymerizable compound and a polymerizable diluent. This part is selected such that if water is present the pH of Part A is greater than about 2. Part B comprises an acidic material such that the pH of Part B is below about 2. Methods of bonding substrates are also described.

Abstract: Cement dispersing agents for self-compacting concrete of high flowability, comprising a water-soluble N-vinyl copolymer, prepared by copolymerizing (a) an N-vinyl-lactame or -amide with (b) a polyethylene glycol ester of maleic acid containing 6 to 240 moles of oxyethylene groups per molecule and (c) at least one monomer selected from among unsaturated dicarboxylic acids and (d) methallylsulfonic acid. When an aqueous solution of this copolymer is used as an admixture to freshly prepared concrete of even extremely low water-to-cement ratio, a high fluidity, a low decrease in flowability with the progression of time and a lack of segregation over time is attained.

Abstract: Strippable, primerless, radiation curable protective coatings for silver, nickel, brass and aluminum surfaces comprising(a) colloidal inorganic oxide particles of diameter less than 50 nanometers;(b) non-silyl polyethylenically unsaturated monomers and oligomers; and(c) catalytic amounts of suitable photo-initiators.The cured protective coatings are useful for shaped metal objects and for metal coated thermoplastic substrates.

Abstract: High temperature polymerization process and products obtained therefrom are provided. The polymerization is conducted at above 225.degree. C. to produce polymers having a degree of polymerization below 50. The products are useful as detergent additives and for subsequent polymerization.

Abstract: The present invention relates to low-odor binders which can be processed without solvent and are based on aqueous styrene-acrylate polymer dispersions, having a mean film-forming temperature of below 10.degree. C.The invention also relates to low-emission coating compositions, especially emulsion paints, which comprise these binders.

Abstract: A process for producing an aqueous dispersion-type acrylic polymer is disclosed, which comprises introducing a monomer comprising an alkyl (meth)acrylate as the main component into a polymerization vessel at a time at a monomer concentration of 40% by weight or higher, adding a water-soluble radical polymerization initiator thereto in an amount of from 0.001 to 0.05 parts by weight per 100 parts by weight of the monomer, and emulsion-polymerizing the monomer substantially at 20.degree. to 60.degree. C. The aqueous dispersion-type acrylic polymer thus obtained satisfies the equation log M>3log S-2, wherein S is a tetrahydrofuran (THF)-soluble content (wt %) of the polymer and M is a weight-average molecular weight (.times.10,000) of a soluble part of the polymer. This polymer is preferably used for a pressure-sensitive adhesive in pressure-sensitive adhesive-covered products.

Abstract: A polymer comprising styrene or substituted-styrene and carboxylated monomer is prepared by a solution polymerization process, comprising first a polymerization step, followed by a neutralization step, and then a distillation step. The polymers have relatively low molecular weights, generally below about 10,000, and can have higher styrene content than has hither been possible. The polymers are found to have good soil release properties and so to be particularly useful in cleaning compositions for fabric or hard surface cleaning.

Abstract: Dental restorative compositions of the composite resin/glass ionomer hybrid type and resins used in the compositions. The compositions contain an aromatic-moiety-containing polymerizable resin, a finely divided ion-leachable fluoroaluminosilicate glass filler, a polymerization initiator system, and may contain other components. The aromatic-moiety-containing polymerizable resin has at least one carboxylic acid group and at least one ethylenically unsaturated group such as a (meth)acrylate group. The compositions have improved mechanical strength, improved wear resistance, and sustained long-term fluoride release.

Abstract: A denture adhesive composition contains a denture adhesive and a pharmacologically acceptable carrier in which the denture adhesive is a salt of a copolymer of maleic acid or anhydride and a 1 to 5 carbon atom alkyl vinyl ether having a specific viscosity of at least 4.0. The denture adhesive composition is used to adhere a denture to the oral mucosa.

Abstract: An antifouling coating composition comprising a biodegradable polymer (A) comprising one or more constituent units (a) capable of imparting biodegradability such as derived from an alkyl vinyl ether, and one or more constituent units (b) derived from e.g. maleic anhydride, itaconic anhydride, or an unsaturated dicarboxylic acid monoester, and an antifouling agent is excellent in coating consuming properties, antifouling performance, biodegradability and other properties.

Abstract: This invention relates to a formaldehyde-free curable aqueous composition containing a polyacid, a polyol and a phosphorous-containing accelerator. The composition may be used as a binder for heat resistant nonwovens such as nonwovens composed of fiberglass.

Abstract: An absorbing agent has a diffusing absorbency under pressure of not less than 25 g/g when 60 minutes elapsed after absorption is started, and a water-soluble content is above 0 percent by weight and not more than 7 percent by weight. The absorbing agent is prepared by surface-crosslinking a precursor of the absorbing agent obtained by performing an aqueous solution polymerization of a hydrophilic unsaturated monomer having not less than 50 mole percent neutralized acrylic acid as a main component using a specific crosslinking agent having a main component composed of an ester compound of a specific polyhydroxy alcohol and an unsaturated carboxylic acid, and a high-boiling component having at least two alcohol structures in a molecule as a specific ratio.

Abstract: An improved denture fixative composition comprising an adhesion promoter and a highly cross-linked copolymer of a lower alkyl vinyl ether and maleic anhydride or acid is disclosed wherein at least 65.0% of the total number of initial carboxyl groups in the copolymer are reacted. The cross-linking agent employed in this invention is calcium cation and optionally up to about 30.0% of the calcium function can be replaced with other inorganic cross-linking agents or polyhydroxy compounds either singly or in combination. The adhesion promoters are chelating agents such as polycarboxylic acids, hydroxycarboxylic acids, aminocarboxylic acids, polyphosphoric acids and their alkali salts.

Abstract: A denture adhesive with significantly improved hold performance is comprised of the mixed partial salts of polymethyl vinyl ether maleic acid. At least one of said salts comprises zirconium while a second salt is selected from the group consisting of calcium, zinc, magnesium, iron, strontium and mixtures thereof. Optionally, a tripartite salt formulation may be prepared utilizing sodium, lithium or potassium. The adhesives are formulated in a standard pharmaceutically acceptable vehicle comprised of waxes, oils, colorants, viscosity modifiers and the like as is known in the art. The denture adhesive may be formulated as a paste, powder or liquid which has rapid absorption characteristics for faster swelling softening and superior coalescence.

Abstract: An aqueous polymer emulsion is obtained by polymerizing first a monomer composition 1 in a first polymerization stage and then a monomer composition 2 in a polymerization stage 2, in each case by the free radical aqueous emulsion polymerization method, one of the two monomer compositions essentially comprising hard monomers and the other monomer composition essentially comprising soft monomers, and, in addition to the monomer compositions 1 and 2, nitrogen-containing adhesion-promoting monomers being polymerized, at least 20 mol % of the total amount of the adhesion-promoting monomers being polymerized in polymerization stage 1.

Abstract: An injection molding binder permitting formation of a molded article incapable of sustaining such defects as a crack or an expansion at the degreasing step and allowing the degreasing treatment to be completed quickly, an injection molding composition, and a method for the production of a sintered member are disclosed. The powder injection molding binder contains a polymer (I) which is obtained by polymerizing a monomer component composed of 50 to 100% by weight of a long side chain-containing monomer and 0 to 50% by weight of other polymerizable monomer. The powder injection molding composition comprises the binder, a binder auxiliary, and a powdery material capable of sintering. The method for the production of a sintered member comprises the steps of injection molding the composition, subjecting the molded mass to a degreasing treatment, and sintering the degreased molded mass.

Abstract: This invention relates to aqueous emulsions based on uncured and uncurable acrylic polymers and their use for the forming process of the cathode ray tube comprising as comonomers the following components:A) butylmethacrylate from 45-70 parts by weightB) methylmethacrylate from 20-45 parts by weightC) methacrylic acid from 1-4 parts by weightD) ethylacrylate from 5-9 parts by weighthaving a minimum filming temperature such as to produce film between about 20.degree. and 40.degree. C., with or without the use of coalescent agents, the nitrogen thermal cycle which simulates that utilized in the CRT process, being the following:1.degree. scanning: from 25.degree. C. to 375.degree. C. at 11.degree. C./min.2.degree. scanning: from 75.degree. C. to 440.degree. C. at 5.degree. C./min.3.degree. scanning: isotherm at 440.degree. C. for 45 minutes,the organic residue after said thermal treatment being lower than 0.05% by weight, preferably 0.01%.

Abstract: The present invention describes an imaging element having a support, an image forming layer and at least one layer formed from an aqueous coating composition containing a film forming binder. The film forming binder is an interpolymer containing carboxylic acid groups. The interpolymer contains from 60 to 90 weight percent vinylidene chloride. The interpolymer has an acid number of from 30 to 150 and the carboxylic acid groups are reacted with ammonia or amine so that the aqueous coating composition has a pH of from 7 to 10.

Abstract: A polymeric surfactant comprises the reaction product of ethylentcally unsaturated monomers at least 40 percent by weight of which are acid group containing monomers, including a combination of both acrylic acid and methacrylic acid, at least a portion of the acid groups being neutralized by a base. Also disclosed is an aqueous acrylic latex made by polymerizing a second polymer from ethylenically unsaturated monomers in the presence of said polymeric surfactant, whereby the latex comprises polymeric particles containing two polymers. The latex may be used to advantage in very low V.O.C. coatings that may be spray applied.

Abstract: The invention provides polymerizable dental, compounds, compositions, including the compounds and products for mixing the compositions and methods of using the compositions. Aryl acid compounds are provided in accordance with the invention. The compositions include at least one polymerizable aryl acid compound, an effective amount of a polymerization initiator, and at least 10 percent by weight of ceramic, metal and/or metal oxide filler particles having a particle size less than 500 microns. The dental products of the invention include a polymerizable composition in an enclosure having at least two chambers separated by a wall adapted to be ruptured prior to or during mixing of the composition. Compositions of the invention are preferred for use in these enclosures. Core build up material including a polymerizable acid containing compound is used to support dental crowns and adhere them to teeth in accordance with the invention.

Abstract: Organic ophthalmic articles are photochromic and have high indices of refraction.

Abstract: The subject invention involves processes for making granular compositions comprising soil release polymers, the polymers comprising at least about 10% of substantially linear esters having a backbone; the esters being uncapped or end-capped on one or both ends of the backbone; the esters comprising in their backbones oxyalkyleneoxy units and hydrophobic aryldicarbonyl units; the esters having a molecular weight of from about 500 to about 20,000; the polymers if in solid state having the tendency when exposed to moisture to spontaneously rearrange from an amorphous form which is readily soluble in water to a crystalline form which is relatively insoluble in water; the process comprising the following steps:a) taking the soil release polymers, in which are dispersed from 0% to about 25% alkylaryl or alkyl sulfonate crystallization-reducing stabilizers, in molten state at a temperature of at least about 180.degree. C.

Abstract: An aqueous emulsion of fluorocarbon polymer according to the present invention is characterized by that the emulsion comprises a sodium dialkylsulfosuccinic acid of not less than 1.5% by weight relative to the fluorocarbon polymer, and an alkyleneglycol. A method for producing a stabilized aqueous emulsions of fluorocarbon polymer according to the present invention comprises mixing an aqueous emulsion of fluorocarbon polymer obtained by an emulsion polymerization process with a sodium dialkylsulfosuccinic acid dissolved in an alkyleneglycol or an aqueous solution of the alkyleneglycol. A novel aqueous emulsion of fluorocarbon polymer having excellent mechanical stability and thermal stability is obtainable.

Abstract: A low molecular weight copolymer reaction product of a copolymer acid of an .alpha.-olefin and an unsaturated carboxylic acid, preferably an .alpha.,.beta.-ethylenically unsaturated carboxylic acid, and at least one amino acid compound. The present invention includes a method of preparing the copolymer reaction product. The reaction product has excellent compatibility with other polymers, particularly polyamides. The copolymer reaction product is useful in a method to flush water from pigments.

Abstract: A method is provided for clinical retention of restorative material by a natural tooth. A first portion of photopolymerizable liquid primer/adhesive dental composition is applied to a tooth surface. After leaving the first portion of the liquid composition on the tooth surface undisturbed for at least 15 seconds on the tooth surface air is conveyed against the first portion of the liquid. The light is impinged on the first portion of the liquid composition whereby at least a portion of the first portion of the liquid composition polymerizes to form a first coating on the tooth. A second portion of the liquid composition is applied to the first coating, and air is substantially immediately conveyed to the second portion of the liquid composition.

Abstract: A composition is disclosed which contains about 80.0 to about 99.9% by weight of a (meth)acrylate monomer having a structure represented by a formula (I) or a mixture of the (meth)acrylate monomer and alkyl acrylate having an alkyl ester comprising alcohol of 1 to 8 carbon atoms, and about 20.0 to about 0.1% by weight of a crosslinking monomer copolymerizable with the (meth)acrylate monomer. The composition can be used in formulating elastomeric compositions having a favorable balance of properties.

Abstract: A novel aqueous polymeric formulation is disclosed. Also disclosed are methods of making the polymeric formulation, and of using the polymeric formulation to produce a crosslinked polymeric surface coating on a substrate. One embodiment of the novel polymeric formulation comprises an aqueous carrier; at least one polymeric-ingredient; a non-polymeric polyfunctional amine; and base. The one polymeric ingredient has both acid-functional and acetoacetoxy-type functional pendant moieties. The non-polymeric polyfunctional amine has at least two amine-functional moieties. The amount of base contained within the formulation is effective for inhibiting gellation, which would otherwise occur as a result of crosslinking between the acetoacetoxy-type functional and amine-functional moieties. Another embodiment of the novel polymeric formulation comprises at least two polymeric ingredients, one of which has acetoacetoxy-type functional pendant moieties and the other of which has acid-functional pendant moieties.

Abstract: An aqueous coating composition is provided which comprises a generally lipophilic crosslinkable binder, optionally a chemical curing/crosslinking agent for the crosslinkable binder, and a special reactive amphiphatic emulsifier comprising a lipophilic backbone having separately pendant therefrom (a) at least one activated unsaturated group and (b) at least one of a specified class of hydrophilic polyoxyalkylene groups, and possessing an HLB value of at least 6.0.

Abstract: Hydrophilic contact lenses made using a crosslinking agent of the formulaA--X--(O--(C(O).sub.i --R--(C(O)).sub.i --O--X).sub.n --Awherein R contains one or more cyclic or bicyclic moiety, X is linear or branched alkyl or alkenyl, optionally substituted, and A is acrylate, methacrylate, vinylbenzoyloxy or vinylphenoxy, exhibit superior hydrophilicity, oxygen transmissivity, and physical properties.

Abstract: A denture adhesive composition contains a denture adhesive and a pharmacologically acceptable carrier in which the denture adhesive is a salt of a copolymer of maleic acid or anhydride and a 1 to 5 carbon atom alkyl vinyl ether having a specific viscosity of at least 4.0. The denture adhesive composition is used to adhere a denture to the oral mucosa.