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4180612 |
The invention relates to polymeric coating compositions which are at least partially soluble in water. Polyesters, polyesterimides, polyesteramides, polyesteramideimides, polyester hydantoins and polyester urethanes are prepared with fre...
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4134873 |
A polyurethane topcoat composition is provided comprising a water-free organic solvent solution containing from 0.5-2.6 isocyanate equivalents of the biuret of 1,6-hexamethylene diisocyanate per hydroxy equivalent of the polyesterificati...
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3966683 |
A process for preparing compounds which contain hydantoin groups, which is characterized in that compounds which contain isocyanate or isothiocyanate groups are reacted with compounds which contain an α-halocarboxylic acid group or deri...
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3939122 |
A process for preparing compounds containing hydantoin groups, wherein compounds which contain isocyanate or isothiocyanate groups are reacted with compounds which contain at least one, preferably two α-halocarboxylic acid amide groups ...
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3925310 |
High molecular weight aromatic copolyamides which contain a small proportion of structural units having hydantoin rings are disclosed. The presence of hydantoin ring units in the copolyamide results in an increased moisture absorption ca...
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3915938 |
A concentrated solution for forming improved heat resistant polymers comprising a mixture of a solution of a prepolymer having an amide group, an imide group and a hydantoin ring in the main chain of the molecule and having glycine deriv...
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3889036 |
Resin composition useful as a wire coating comprising the reaction product of a reactive hydantoin based compound, a polycarboxylic acid, and tris (2-hydroxyethyl) isocyanurate. The resin provides a low cost, cured enamel for electrical ...
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3839298 |
Polyamides containing hydantoin or dihydrouracil groups are obtained by polycondensing aliphatic-1-cycloaliphatic or aromatic dicarboxylic acids or derivatives of such dicarboxylic acids, in known manner, with diamines which contain hyda...
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3718623 |
Heat-curable plasticized mixtures for the manufacture of moulding materials based on polyurethanes, containing (a) a polyisocyanate, for example 3,5,5-trimethyl-3-(isocyanato-methyl)-cyclohexane-isocyanate
-(1) ["isophoronediisocyanate"]...
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3642524 |
Improvement of the process for producing polyhydantoin coatings by heat treating polyhydantoin solutions according to U.S. Pat. Nos. 3,397,253 and 3,448,170 comprising the addition of a metal catalyst, which is soluble in the polyhydanto...
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3635845 |
Curable moulding, coating and adhesive compositions which contain a polyepoxide compound, for example a liquid polyglycidyl ether of bisphenol A and, as the curing agent, a 1,1'-methylene-bis-(3-γ-aminopropyl-hydantoin), for example 1,1...
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3549599 |
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3449353 |
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3448170 |
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3397253 |
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3391097 |
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3374242 |
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3369010 |
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3296208 |
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3246002 |
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2829157 |
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2527821 |
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3833548 |
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3794618 |
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3779991 |
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3737432 |
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3705874 |
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3682854 |
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3645978 |
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3639418 |
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3637905 |
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