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4101524 Method for the production of colorless polyester amides  
The production of polyester amides based on dicarboxylic acids and/or the esters thereof, primary diamines, and polyhydric alcohols and/or aminocarboxylic acids or lactams, by poly-condensing the...
4096125 Polycaprolactone derivatives and coating compositions thereof  
Water insoluble adducts are produced comprising the reaction product of a polycaprolactone polyol and an anhydride of a polycarboxylic acid. The polycaprolactone polyol reacted with the anhydride...
4093605 Auxiliary agent for improving retention, drainage and treatment  
Auxiliary agent for improving the retention of flushable solids, the drainage of suspensions and the rapid treatment of industrial waters, effluents and sludges, especially in paper making which...
4086211 Method of producing polyurethane products having an improved flex crack resistance  
Polyurethane products having improved flex crack resistance can be obtained by curing a mixture of (a) a polyurethane prepolymer having terminal isocyanate group and (b) at least one curative...
4081428 Preparation of polymers  
A process for the preparation of a high molecular weight, linear polyesteramide comprising the capping of a linear, hydroxyl-ended polyester by reaction with a diaryl ester of a dicarboxylic acid...
4076917 Method for curing polymers containing one or more carboxy or anhydride functions and compositions  
β-HYDROXYALKYLAMIDES AND CERTAIN POLYMERS THEREOF ARE DISCLOSED AS CURING AGENTS FOR POLYMERS CONTAINING ONE OR MORE CARBOXY OR ANHYDRIDE FUNCTIONS. Also, self-curing copolymers containing carboxy...
4075177 Thermally hardenable cationic resin from dicarboxylic acid, dialkanolamine and polyamine copolymer condensed with epichlorohydrin  
A cationic resin which is thermally settable or thermally hardenable, for use in improving the moisture resistance of cellulosic fibrous materials such as paper, is produced by reacting at least...
4070524 Self-bonding varnish for magnetic wire comprising polyalkylenetrimellitate imide polyalkylenetrimellitate ester  
Polyalkylenetrimellitate imide polyalkylenetrimellitate ester imides suitable for use as self-bonding varnish coatings for magnet wire, which can be produced by condensation of a trimellitic acid...
4066593 Water soluble wire enamels  
A water soluble wire enamel having a Class F thermal rating is the reaction product of several ingredients comprising a water soluble polyester resin based on terephthalic acid and trimellitic...
4064110 Process for the production of autocrosslinkable polymers containing n-alkoxymethyl groups  
Storable, autocrosslinkable polymers containing N-alkoxymethyl groups are obtained by reacting 5-alkoxymethyl-1,3,4-dioxazol-2-ones with a polymer having an average molecular weight above 600 and...
4058537 Esters of anhydride aromatic polycarboxylic acids with perfluoroalkyl alcohols  
This invention describes new perfluoroalkyl substituted esters, diesters and polyesters which contain at least one cyclic 5-membered anhydride group or two carboxy groups, as well as half amides...
4048252 Coating compositions and process therefor  
An improved process and thermosetting coating compositions therefrom based on oil-free alkyds are described. Linear or pre-condensed polyesters carrying only terminal carboxyl groups which are the...
4044171 Process for polyaddition products which contain uretdione groups and use in coatings  
The present invention teaches a novel polyisocyanate lacquer binder and a method preparing it. The binder is prepared by reacing uretidione containing polyisocyanates optionally mixed with...
4042546 Reactive polyester-amide polymers as co-reactants or curing agents for polyepoxides and polyisocyanates  
The reactive polyester-amide polymers of this invention are comprised of trihydric alcohols, aminoalcohols, and aliphatic dicarboxylic acids, containing an excess of functional groups reactive...
4041208 Transparent, impact-resistant polyesterurethane laminates  
Laminated glass articles useful as automobile windshields or in other safety glass applications comprising a polyesterurethane and at least one sheet of glass are described. The polyesterurethane...
4036869 2,4-Diisocyanato bicyclo (3,3,0)-oct-6-ene  
2,4-DIISOCYANATO BICYCLO (3,3,0)-OCT-6-ENE, A NEW COMPOUND AND ITS PREPARATION AND USE ARE DISCLOSED.
4035337 Sulfide compositions as inhibiting agents for amine-induced yellowing  
Inhibiting compositions composed of alkylthio alkyl phthalates are disclosed. These compositions are useful as inhibiting agents in the light-induced yellowing of organic compounds containing...
4035341 Polyester compositions with good dyeing affinity and a process for obtaining same  
Compositions of polyesters having improved affinity for acid dyes are produced by incorporating in the compositions of polyester-forming dicarboxylic acid and dihydric alcohols quaternary ammonium...
4031035 Polyurethane-amide resins based upon isocyanate terminated prepolymers of bis-(2-hydroxyethyl)terephthalate  
Novel polyisocyanates are provided, and thermoplastic polyurethane resins are produced therefrom which are suitable as substrates for film, fiber and foam products.
4029637 Acid dyeable polyester containing 1,8-bis-(dialkyl-amino)naphthalane  
A filament-forming polyester or copolyester and fibers thereof composed of at least 80% of ethylene terephthalate units containing a tertiary amine as an additive to improve the receptivity for...
4025493 Polyamides and polyesters from phenyl-substituted alkane dioic acids  
Diacids having the formulae ##STR1## wherein the radicals R, which can be the same or different, are alkylene radicals having 1 to 16 carbon atoms per radical, R' is an alkylene radical --Cn H2n...
4024112 Polyesters containing ionic groups  
Polyesters containing ionic groups are prepared by the reaction of an alkylene oxide adduct of a nitrogen-containing compound with (1) a metal salt of an acidic derivative of an organic...
4022752 Tough polybutylene terephthalate molding compositions showing good thermo-aging stability and processing stability  
Thermoplastic molding compositions based on polybutylene terephthalate having a relative viscosity of from 1.3 to 2.0, as measured in a phenol/o-dichlorobenzene mixture at 25° C, and which...
4018736 Manufacture of polyester-imide powders  
A process for the manufacture of finely divided polyester-imide powders wherein solutions of polyester-imides in organic solvents are solidified by cooling, the solvent is removed by sublimation...
4016330 Water-soluble wire enamel  
A composition is prepared which is useful in wire enamel, comprising (1) a water soluble polyester which is a condensation product of (a) a tribasic carboxylic acid, (b) an aliphatic or aromatic...
4013480 Cellulosic sizing agents  
Novel cellulosic sizing agents are described. They are ring-opened aziridinyl homopolymers of ##EQU1## wherein R1 and R2 are hydrogen or lower alkyl; R3 is hydrogen or methyl; R4 is an organic...
3997626 Antistatic polyamide compositions  
The invention relates to polyamide compositions of high-molecular weight, linear aliphatic polyamides with reduced surface resistance which are produced by solvent-free condensation of salts of...
3994881 Spandex process and product based on tetra-halogenated diisocyanates and diamines  
Segmented elastomeric polyester polyurethaneurea spandex filaments having improved resistance to degradation by ultraviolet radiation and chlorine-containing bleaches in which the hard segments...
3993709 Polyester initiated anionic catalyzed polymerization of lactam  
A process for preparing lactam-polyol-polyacyl lactam or acyl polylactam terpolymers having ester end group termination and both ester linkages and amide linkages between the monomeric segments....
3991034 Polyester resin composition  
A polyester resin composition suitable for preparing a powder paint, obtained by mixing a polyester, which is obtained by depolymerizing a polyester having a high degree of polymerization with an...
3991035 Process for modifying glycol terephthalate polyesters to contain CH2 - - 2 --N linkages  
Glycol terephthalate polyesters are modified to contain CH2 --S or CH2 --N linkages in molecular chains of the polyester, staple fibers of good strength are prepared from the modified polyesters,...
3989662 Single component polyurethane varnish of long shelf life  
Single-component polyurethane varnishes having long shelf life containing conventional solvents and the reaction product of 3-isocyanatomethyl-3,5,5-trimethylcyclohexylisocyanate (IPDI) and...
3980620 Polyesteramines with improved dye affinity and process for their production  
Polyesteramines with good dye affinity for anionic dyestuffs formed by reacting A. at least an aromatic dicarboxylic acid and possibly a small amount of an aliphatic diacid, B. at least a diol...
3975348 Water-extended polyesteramide resins and methods for their production  
Water-extended polyesteramides are produced by forming a water-in-oil emulsion of the polyesteramide and thereafter curing the polyesteramide emulsion. When halogen-containing polyesteramides are...
3970687 Polyesters with substituted amine end groups  
Polyester represented by the general structure ##EQU1## useful as film-formers in coating compositions.
3959228 Low carboxyl high molecular weight polyesters  
There is disclosed low carboxyl high molecular weight polyester compositions comprising the product of the reaction of an aziridine compound with the polycondensation product derived from the...
3950285 Preparation of polymeric urethanes from dicarbamates  
Polyurethanes or polyester polyurethanes are prepared by reacting a polycarbamic acid ester or a mixture of a polycarbamic acid ester and a polycarboxylic acid ester with an organic polyol in the...
3949141 Fiber reinforced elastomers  
A composition for use in the treatment of glass fibers or metal fibers to securely bond such fibers to elastomeric materials in the manufacture of fiber-reinforced elastomeric products containing...
3933718 Low viscosity embedding medium  
Microscopy specimens are infused with and embedded in a low viscosity medium whose composition comprises: a low viscosity epoxy resin, a moderately low viscosity epoxy flexibilizer, an anhydride...
3932358 Pulverent coating materials containing polyoxazolines and polyesters based on succinic anhydride  
The invention relates to a pulverulent coating material prepared from a polyester which contains free carboxyl groups of succinic acid and cross-linking agents which react with carboxyl groups at...
3931418 Process for the production of insulating coatings on electrical conductors  
The invention relates to a process for the insulative coating of electrical conductors with thermosetting resins. According to the invention, the resins used are thermosetting ester resins...
3929728 Process for preparing linear polyesters  
A process for preparing linear polyesters by polycondensation of glycol terephthalates wherein (1) an antimony-containing catalyst which is soluble in the polycondensation system and (2) at least...
3928290 Enameling varnishes based on aromatic carboxylates reacted with polyisocyanates and polyols  
Polymeric composition resulting from the reaction of: At least one ester of an aromatic amino-polycarboxylic acid having at least two carboxylic groups, in relative positions other than ortho or...
3928289 Hydantoin produced polyurethane  
A polyurethane prepared by reacting a mol of a reactive hydrogen material of 700 and higher molecular weight with 1.2 to 3.5 mols of organic polyisocyanate and 0.2 to 2 mols of dihydroxyalkyl...
3926919 Polyurethanes chain-extended with 2,2'-diaminodiphenyldisulfide  
A cured polyurethane prepared by reacting 2,2'-diaminodiphenyldisulfide with at least a part or all of excess isocyanato groups in a composition or mixture derived by the method which comprises...
3923743 Process for cross-linkable pulverulent coating compositions based on uretdione polyisocyanates  
A pulverulent coating composition adapted to be applied to a substrate by spraying as a powder is prepared by a process which comprises reacting an organic polyisocyanate containing a uretdione...
3912680 Light fast polyurethane urea coating solutions  
A process for the preparation of stable polyurethane urea solutions by chain lengthening with bifunctional hydrazide compounds prepolymers prepared from dihydroxy compounds and excess...
3909494 Stable preparations of reaction products of epoxides, fatty amines and dicarboxylic acids  
Stable preparations are provided containing reaction products obtained by reacting in the presence of an organic solvent (a) (a) epoxides containing at least two epoxide groups per molecule with...
3908039 Photocurable polyene-polythiol lacquer composition  
The invention disclosed is directed to a method for overcoating which includes applying to a substrate a novel photocurable lacquer composition having as essential ingredients a polyene selected...
3900436 Polyesteramide resin  
A polyesteramide resin adaptable to use in formulating laminable printing inks, said resin comprising a mixture of dimeric C8 -C24 fatty acid and monomeric C16 -C18 fatty acid as the acid...