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5521013 Partially-fluorinated polymers  
Partially fluorinated polymer comprising a backbone and side-chains, in which the backbone and side-chains are each 4 atoms long and are chemically incompatible, one chain being at least...
5510451 Copolyester amides  
The invention deals with copolyester amides built up from units derived from terephthalic acid, 1,4-butane-diol and 1,4-butane diamine.
5506060 Method for making multidimensional ether or ester oligomers  
Crosslinkable, polyaromatic, polyether or polyester oligomers can have glass transition temperatures above 900° F. while exhibiting desirable toughness for aerospace applications and ease of...
5502118 Polyester salts and their use as charge control agents  
Polymer salts whose anionic component is a polyester which comprises the product of reaction of the individual components a), b) and c) and if desired d) and if desired e), where a) is a...
5500212 Crosslinked anion exchange particles and method for producing the particles  
New bile acid sequestrant polymer compositions and a process for preparing the polymers in particulate form, preferably in spherical form, are described. The polymer particles are prepared by...
5496670 Optical storage medium  
A macroscopically isotropic side chain liquid crystal polymer is described containing photochromic mesogenic groups and which through irradiation with light is capable of being permanently or...
5494922 Allophanic acid derivatives  
The invention concerns allophanic acid derivatives of formula I R1 --N(R2)CO--N(R3)CO--X1 --Q--X2 --GIand pharmaceutically acceptable metabolically labile esters or amides thereof, and...
5494964 Polyesters based on hydroxyl-containing prepolymers of olefinically unsaturated monomers and their use as binders for electrophotographic toners  
Polyester resins suitable as binders for electrophotographic toners and for acceptor layers for the thermal diffusion printing process based on hydroxyl-containing prepolymers of olefinically...
5492998 Cross-linked tertiary-amine polymers  
Novel polymers of general formula: ##STR1## wherein R is an alkyl or aryl group that contains an active hydrogen atom (as determined by the Zerewitinoff test); A is a spacing group having at least...
5486591 Biopolymers derived from hydrolyzable diacid fats  
A monomeric diacid derivative includes at least two fatty acids coupled by hydrolytically or enzymatically degradable bond. In a biological environment, the bond degrades forming naturally...
5483016 Method for producing binder resin and toner for electrophotography using the binder resin  
The method of producing a binder resin has the steps of blending in advance (a) a starting material monomer mixture for two polymerization reaction types, (b) a compound which can react with both...
5463011 Acid derivatives  
The invention concerns allophanic acid derivatives of formula I R1 --N(R2)CO--N(R3)CO--X1 --Q--X2 --GIand pharmaceutically acceptable metabolically labile esters or amides thereof, and...
5455325 Optically active phenoxypropionic esters  
Optically active compounds of the formula I ##STR1## where R is C1 -C12 -alkyl or -perfluoroalkyl in which one or two non-adjacent CH2 or CF2 groups can also be replaced by --O-- and/or --CO--...
5453482 Process for preparing arylsulfonyl halides  
Provided is a new process useful for preparing arylsulfonyl halides, which comprises the addition or drowning of halosulfonation reaction products, produced by the reaction of aromatic compounds...
5451643 Poly(alkylene dicarboxylates) and synthesis thereof  
Poly(alkylene dicarboxylate) polymers and copolymers having tetraalkyl- or trialkylammonium ion end groups and methods of synthesis, thereof. The methylene-containing copolymers, in general,...
5444150 Amino acid derivative and bromoacetyl modified peptides for the preparation of synthetic peptide polymers, conjugated peptides, and cyclic peptides  
A new amino acid derivative, Nα -tert-butoxycarbonyl-Ne -(N-bromoacetyl-β-alanyl)-L-lysine (BBAL), has been synthesized as a reagent to be used in solid-phase peptide synthesis for introducing a...
5423432 Water-dissipatable polyesters and amides containing near infrared fluorescent compounds copolymerized therein  
Provided are water-dissipatable, sulfo-containing polyesters and polyester-amides having copolymerized therein thermally stable near infrared flourophoric compounds. The polymers are useful in...
5418311 Method for the synthesis of polymers, which have polyurethane and/or polyurea groups  
Polymers, which have polyurethane and/or polyurea groups and contain finely divided fillers, are synthesized by reacting compounds, which contain at least two hydroxyl and/or amino groups, with at...
5416188 Polysubstituted fullerenes and their preparation (C-2608)  
One embodiment of the present invention is directed to polysubstituted fullerene moieties having a plurality of substituents thereon, selected from the group consisting of hydroxy, oxide, nitro,...
5401612 Polyesters containing nonlinear-optical chromophores, and the use thereof  
Polyesters containing nonlinear-optical chromophores, which have mean molecular weights Mw of from 5000 to 500,000 and contain units of the formula (I) ##STR1## where A is a divalent radical, D is...
5393862 Naphthalenedicarboxylic acid containing polymer compositions having reduced fluorescence  
This invention relates to naphthalenedicarboxylic acid containing polymer compositions having reduced fluorescence. More specifically, the polymers contain at least 0.1 mole percent of...
5393849 Curable polyester/polyamino compositions  
A thermosetting composition comprising the combination of an unsaturated polyester resin and a polyamino compound having a plurality of secondary or primary amino moieties.
5391699 Polyester copolymer and a process for the production of the same  
A polyester copolymer having an aromatic amine incorporated in the main chain, which is excelent in thermal stability as well as dynamic property, and a process for the production of the polyester...
5391697 Method of producing a thermosetting esterimide oligomer  
Thermosetting esterimide oligomers of formulas (IA) and (IB) are disclosed: ##STR1## where A1, A2 and A4 are divalent organic groups, A3 is a monovalent organic group and A1, A2, A3 and A4 may be...
5391700 Process for producing polyester by ring-opening copolymerization  
This invention provides a process for producing with industrially good efficiency a polyester having a high melting point and biodegradability. In this process, ring-opening copolymerization of a...
5386002 Fluorene based bisimides and thermoplastic polymers thereof  
Polyetherimides, polyesterimides, poly(ester etherimides) and poly(carbonate imides) which are thermoplastic, polymeric materials contain divalent bisimides of formula ##STR1## wherein R is...
5384377 Toners for polyesters  
This invention provides certain blue substituted 1,4-bis(2,6-dialkylanilino) anthraquinones in combination with selected red anthraquinone and anthrapyridone...
5372747 Modified block polymers, their preparation and their use  
According to the invention, oxyalkylates of aliphatic or cyclic, primarily primary diamines or polyamines, or block polymers (having recurring structural units of the abovementioned oxyalkylate...
5364614 Cascade polymer bound chelating compounds, their chelates and conjugates, processes for their production, and pharmaceutical agents containing them  
Cascade polymers, containing complex-forming ligands, optionally at least five ions of an element of atomic numbers 21-29, 39, 42, 44 or 57-83, as well as, if desired, cations of inorganic and/or...
5362820 Carboxyl group-terminated polyesteramides  
Carboxyl group-terminated polyesteramides comprising the reaction products of at least one diamine and a carboxyl group-terminated polyester selected from (a) a polyester prepared from at least...
5354840 Functional-amine polyesters  
Functional-amine polyesters have at least a first residue of a first monomer, a second residue of a second monomer and from about 0.1 to about 3.0 mole percent of a functional-amine residue of a...
5350829 Method for producing a polyethylene naphthalate  
There is disclosed a method for producing a polyethylene naphthalate from a naphthalenedicarboxylic acid represented by the following formula (I) and a glycol, in the presence of one or more...
5349028 Polyester fibers  
Polyester fiber consisting of an aliphatic polyester having a melt viscosity of 1.0×102 -1.0×104 poises at a temperature of 190° C. at a shear rate of 1000 sec-1 and a melting point of 70-190° C....
5348700 Polyester flat and split yarn  
Flat and split yarn formed by extrusion molding, comprising as a main component an aliphatic polyester having a melt viscosity of 2.0×103 -4.0×104 poises at a temperature of 190° C. and a shear...
RE34730 Polyurethane resins in water-dilutable basecoats having low flash and quick-drying characteristics  
This invention, therefore, relates to the field of polyurethane coatings for use in automobile basecoat/clearcoat systems. In particular, this invention relates to the discovery that incorporating...
5338827 Polyimide resins useful at high temperatures  
Polyimide resins useful at high temperatures are prepared from: (a) a dialkyl, trialkyl or tetraalkylester of biphenyltetracarboxylic acid; (b) phenylenediamine, preferably the phenylenediamine...
5331081 Use of fluorinated aromatic polyamides as orientation layer for liquid-crystal switching and display devices  
Use of fluorinated aromatic polyamides as orientation layer for liquid crystal switching and display devicesUse of substituted aromatic polyamides as orientation layer in liquid crystal switching...
5322920 Thermosetting esterimide oligomer and its production method  
Thermosetting esterimide oligomers of formulas (IA) and (IB) are disclosed: ##STR1## where A1, A2 and A4 are divalent organic groups, A3 is a monovalent organic group and A1, A2, A3 and A4 may be...
5321098 Composition and polymer fabrics treated with the same  
The invention relates to a composition mixture comprising (i) at least one ester-acid, ester-salt or mixtures thereof and (ii) at least one amidic-acid, amidic-salt or mixtures thereof a polymer...
5302670 Plastics on fatty acid basis  
The present invention relates to plastics that can be obtained by reacting unsaturated and/or hydroxyl-group-containing fatty acids or their esters or mixtures of various such fatty acids and...
5290452 Crosslinked polyester amide membranes and their use for organic separations  
The present invention is directed to a polyester/amide membrane, its preparation and its use for organic liquid separation. The polyester/amide membrane is made by reacting a dianhydride with a...
5264034 Pigment preparations based on perylene compounds  
Pigment preparations consisting essentially of (a) at least one pigment based on perylene-3,4,9,10-tetracarboxylic dianhydride or on corresponding monoimides or diimides of tetracarboxylic acid...
5264539 Thermally stable oligomeric ultraviolet stabilizers  
The invention discloses oligomeric compositions that have high thermal and uv stability as well as reactive end groups so that they may be reactively incorporated into polymer backbones when the...
5250652 High loading water-dispersible UVA and/or UVB light-absorbing copolymer  
The invention is concerned with novel water-dispersible copolymers which contain at least one UVA light-absorbing monomer, one UVB light-absorbing monomer, one hydrophilic monomer, and optionally...
5248756 Crystallization agent for bisphenol-A polycarbonate  
Disclosed is an alternating block copolymer composition useful for enhancing the crystallization of bisphenol-A polycarbonate which comprises the reaction product of a polyoxyalkylene polyamine...
5232773 Hollow blow-molded polybutylene terephthalate resin articles  
Blow-moldable polybutylene terephthalate resin compositions include a polybutylene terephthalate base polymer and an effective amount of between 0.01 to 5 parts by weight (based on 100 parts by...
5229202 Carbon fiber and carbon fiber-reinforced resin composition using it  
A carbon fiber having its surface coated with a copolymer composed of a diamine compound, a dicarboxylic acid compound and a glycidyl polyalkylene oxide derivative of the following formula (I),...
5219980 Polymers biodegradable or bioerodiable into amino acids  
The invention presents a biodegradable polyester polymer comprising ##STR1## wherein: n=number of repeating polymer units of the formula shown; p=0 or 1, 0 indicating the absence of the...
5213891 Block copolyetheramides  
Block copolyetheramides, well adopted for conversion into a wide variety of useful thermoplastic elastomer shaped articles, have the formula: ##STR1## in which D is the residue of a diacid...
5212015 Coated substrates comprising polymers derived from monocarbamate diols  
This invention provides synthetic routes for novel single isomers of monocarbamate diols and their polymerization to provide novel polyesters, polyurethanes, polycarbonates, and the like having...