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4113686 |
Hydrophilic contact lenses and lens polymer
A superior hydrophilic gel polymer and contact lenses therefrom are formed by bulk polymerization of about 100 parts by volume of hydroxyethyl methacrylate, 10 parts by volume of isobutyl...
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4109070 |
Method of producing optically clear hydrophilic copolymers and contact lenses
In the process of making optically clear hydrophilic copolymers formed by copolymerizing a glycol monoester of acrylic or methacrylic acid with an alkoxy monomer having the formula: ##STR1##...
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4085180 |
Method for rigid enclosures and molded items
An improved method for providing lightweight and strong rigid enclosures and molded items formed by enclosing, wrapping or filling a mold of said items or articles with a dry peroxide...
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4077926 |
Pressure sensitive adhesive containing polymerized alkoxyalkyl ester of unsaturated carboxylic acid
The pressure sensitive adhesive of this invention has improved shear resistance while still having good tackiness and stability in a humid atmosphere, it is prepared by solution polymerization, or...
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4060657 |
Coating compositions
A coating composition comprising (a) a hydrophilic copolymer of ethylene, alpha,beta-ethylenically unsaturated carboxylic acid and polyvalent alcohol monoester of alpha,beta-ethylenically...
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4058124 |
Disposable absorbent articles containing particulate, free-flowing, insoluble swellable polymers
Particulate, free-flowing, insoluble swellable polymers are provided which are comprised of a mixture of an insoluble, swellable hydrogel and inert filler. The mixtures are free-flowing powders or...
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4056503 |
Incorporation of multifunctional monomers (PETA, TMPTA, and HDODA) in vinyl-acrylic emulsion polymers
New emulsion polymers comprising vinyl acetate-acrylate or methacrylate emulsion polymer containing in the polymer an α,β-ethylenically unsaturated acid ester of a polyol. For example,...
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4056496 |
Hydrogels and articles made therefrom
This invention relates to polymers and hydrogels of polymers formed from a hydrophilic monomer of the group of dihydroxyalkyl acrylates and methacrylates, a substantially water insoluble monomer...
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4048192 |
Water-dilutable tetrapolymers of vinyl acetate, maleic diesters, crotonic acid and hydrophilic unsaturated copolymerizable esters
A vinyl acetate copolymerizate of monomers being a free-radical polymerized copolymerizate having monomer units consisting essentially of A. from 60% to 80% by weight of vinyl acetate units, ...
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4045399 |
Curable aqueous coating composition
A curable aqueous coating composition in which dicyandiamide or a salt of guanidine is mixed and dissolved in an aqueous solution of a salt of a copolymer of an acrylic monomer mixture containing...
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4036652 |
Encapsulated pigments
Pigments may be encapsulated by a process comprising the steps of (1) mixing a high solids pigment presscake with ammonia and an ammonia-soluble resin to form a fluid mixture, (2) removing...
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4028295 |
Hydrophilic polymer and contact lens
A hydrophilic polymer and contact lens made therefrom, said polymer consisting essentially of a diester-free glycol monoester of acrylic or methacrylic acid and a comonomer having the formula:...
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4018966 |
Compositions containing a reactive hydroxyl-containing vinyl chloride polymer
Solvent resistant films are obtained from compositions containing a polymer of vinyl chloride, vinylidene chloride or vinyl acetate, and a hydroxyl-containing monomer copolymerizable therewith, and...
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4013609 |
Resinous composition
A resinous composition containing as an essential ingredient a binder comprising a product obtained by I. reacting in a first stage a solution of 1. a copolymer containing anhydride groups with ...
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4008172 |
Agent for brightening and removing greyness from textiles
Agent for the preparation of the baths for brightening the color of and removing the greyness from white and pastel colored textiles which are made from synthetic fibers or which are provided with...
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4007322 |
Acrylic anaerobic sealant compositions and method of bonding
Anaerobic sealant compositions comprise a monomer having one of the general formulas ##STR1## wherein R is hydrogen, halogen, or alkyl containing 1 to 5 carbon atoms and wherein R' is hydrogen,...
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4000107 |
Plasticized tarpolymers of vinyl chloride/vinyl acetate/hydroxyalkyl acrylate with good metalic adhesion
This invention involves terpolymers of vinyl chloride, vinyl acetate and hydroxyalkyl acrylate wherein there is incorporated about 2.00 to about 5.5% by weight of the latter two monomers. These...
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3997488 |
Process for the preparation of a non-aqueous dispersion of thermoplastic resin
This invention provides non-aqueous dispersions containing a graft-copolymer and at least one substance selected from the group consisting of wax and polyethylene in an organic solvent having a...
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3985713 |
Cyclic nitriles as crosslinking agents and compositions therefrom
Cyclic nitrile adducts are used as crosslinking agents for acrylic interpolymers to produce thermosetting resins having exceedingly high impact resistance. Adipodinitrile carbonate is a preferred...
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3985697 |
Hydrophilic contact lens material
A terpolymer material for the formation of soft contact lenses includes a major amount of hydroxy alkyl acrylate or methacrylate, between 0.01 and 0.25% of a diester cross-linking agent containing...
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3970633 |
Thermosetting powder coatings composition
Polymeric materials which comprise a hydroxyalkyl ester of acrylic acid or methacrylic acid, a monoethylenically α,β-unsaturated carboxylic acid, and an alkyl ester or esters of acrylic and/or...
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3969328 |
Copolymers of vinyl chloride and 2-hydroxypropyl-alkyl maleate
Copolymers of vinyl chloride and 2-hydroxypropyl-alkyl maleate and/or fumarate consisting of a copolymer with from 65% to 95% by weight of vinyl chloride monomer units and from 5% to 35% by weight...
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3935138 |
Pulverulent binders
Powdered coating agent for use in the sprayed powder process comprising a mixture of A. free hydroxyl groups containing copolymers having been reacted with an acid anhydride; B. a...
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3928667 |
Aqueous thermoset coatings utilizing titanium chelate curing agents
Thermoset coating compositions are made from an aqueous solution or dispersion of a polymer of a hydroxyalkyl acrylate catalyzed with a titanium chelate. Films useful as protective and decorative...
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3926892 |
Hydrophilic contact lenses and lens polymer
A superior hydrophilic gel polymer and contact lenses therefrom are formed by bulk polymerization of hydroxyethyl methacrylate, 5 to 15 weight percent iso-butyl methacrylate, 1 to 5 weight percent...
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3925295 |
Process for the preparation of polymer dispersions
Process for preparing a dispersion of a condensation polymer in a non-solvent liquid medium by heating in the medium at a temperature of at least 150°C. one or more polymer-forming reactants at...
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3919152 |
Use of barium metaborate in electrodepositable compositions
This invention relates to novel pigmented electrodepositable compositions. More particularly, this invention relates to the use of barium metaborates to reduce stain of resin films electrodeposited...
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3904572 |
Cold-setting coating composition based on hydroxy-containing vinyl polymer
A one-pack type, cold-setting composition comprising (1) a copolymer of at least one α, β-ethylenically unsaturated monomer or conjugated diene monomer and at least one α,β-ethylenically...
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3898208 |
Hydrogenation of oil-insoluble diene polymers
Latexes of oil-insoluble monovinylidene aromatic/conjugated diene copolymers having residual unsaturation are hydrogenated by supplying hydrogen to a dispersion of the latex in a swelling agent for...
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3894980 |
Thickener
An aqueous dispersion of emulsion copolymers of about 15 to 35 or 40 percent by weight of acrylic acid or methacrylic acid, about 20 to 60 percent by weight of an alkoxyalkyl acrylate, and from...
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3868447 |
Hema paste
A paste is made of an organic solvent soluble hydrophilic copolymer of a hydroxy lower alkyl acrylate or methacrylate and 0.01 to 50%, preferably 0.05 to 1%, of the diester of a glycol and acrylic...
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3549600 |
STOVING LACQUERS
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3542908 |
METHOD OF MANUFACTURING A REVERSE OSMOSIS MEMBERANE
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3532663 |
PROCESS OF PREPARING ORGANIC EMULSIONS
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3507821 |
COATING COMPOSITION OF A POLYMER HAVING PENDENT ESTER GROUPS
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3477969 |
COATING COMPOSITION OF A METHACRYLATE POLYMER/CELLULOSE ACETATE BUTYRATE/SUCROSE BENZOATE
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3446769 |
HIGH SOLIDS COATING COMPOSITIONS
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3445566 |
HAIR SPRAY COMPOSITIONS CONTAINING AN ULTRAVIOLET ABSORBING FILM FORMING COPOLYMER
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3410815 |
Water dilutable salts of addition copolymers of (1) an acid, (2) an ether, (3) a carboxyl-free monomer and (4) a drying oil adduct
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3404110 |
WATER DILUTABLE SALTS OF ADDITION COPOLYMERS OF (1) AN ACID,(2) AN ETHER,(3) A CARBOXYL-FREE MONOMER AND (4) A DRYING OIL ACID OR ADDUCT THEREOF
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3382165 |
Electrodeposition with organic acid resins having mineral acid groups attached thereto
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3373075 |
Diacrylate compositions, heat resistant polymers containing the same and method of making electrical laminates therefrom
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3356637 |
Vinyl chloride interpolymers and process
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3342787 |
Resinous compositions
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3337484 |
Polymerizable compositions comprising vicinal acryloxy glyceride, acid acrylic compound and filler
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3331801 |
Coating compositions of polymer dispersions in mixtures of high boiling and low boiling liquids
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3313758 |
Acrylonitrile polymer spinning compositions
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3284394 |
Aqueous dispersion of a copolymer of methylmethacrylate and beta-hydroxyethylmethacrylate
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3278469 |
Interpolymers containing units from a monocarboxylic half ester of an alpha, beta-ethylenically unsaturated, alpha, beta-dicarboxylic acid and coating compositions formulated with these interpolymers
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3245932 |
Water-soluble 2-dimethylamino-ethanol salts of (c1-c2) alkyl acrylate/acrylic acid or methacrylic acidhydroxyalkyl-substituted acrylate or methacrylate copolymers and method of making them
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