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| Number | Title | Issue Date |
| 5362519 | Polyesters particularly suitable for use in coating compositions which are sprayed with compressed fluids as vicosity reducing agents The present invention relates to polyesters which are particularly suitable in coating compositions which are sprayed with compressed fluids which act as viscosity reducing diluents.... | 11/08/1994 |
| 5321117 | Macrocyclic polyester oligomer preparation with Lewis acid as catalyst Macrocyclic poly(alkylene dicarboxylate) oligomers are prepared by the reaction of a dicarboxylic acid chloride such as terephthaloyl chloride with at least one bis(hydroxyalkyl) ester such as bis(4-hydroxybutyl) terephthalate, in the presence of a Lewis ... | 06/14/1994 |
| 5302462 | Shelf-stable polyester/HMMM powder coating The reaction of less than the stoichiometric amount of a methoxymethyl aminotriazine with a linear, hydroxyl-terminated polyester in a mixture of the two wherein the polyester to triazine ratio is from about 97:3 to about 70:30 by weight affords a storage... | 04/12/1994 |
| 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 esters with bifunctional ester-forming and/or amide-forming com... | 04/12/1994 |
| 5302686 | Hollow container and stretched film made of a copolyester A hollow article or sheet of a copolyester which comprises, as main components, terephthalic acid as a dicarboxylic acid component and ethylene glycol as a diol component and which is characterized by: (1) isophthalic acid as a dicarboxylic acid component bein... | 04/12/1994 |
| 5300332 | Melt-stable copolyester resins and molded articles thereof A modified polyester resin is the reaction product of: (A) an acid component mainly comprised of terephthalic acid, 2,6-naphthalene dicarboxylic acid or a lower alcohol ester thereof, (B) a diol component mainly comprising an alkylene glycol having 2 to 8 carb... | 04/05/1994 |
| 5296586 | Process for producing polyesters Disclosed herein is a process for the production of polyester which involves heating a polymerizable monomer or oligomer in an inert liquid which does not dissolve or swell the monomer, oligomer, or polyester product, while boiling the inert liquid and co... | 03/22/1994 |
| 5292865 | Process for preparation and after-treatment of polyester pellets Process for simultaneous removal of aldehyde, solid-phase postcondensation and drying of linear polyesters and copolyesters by after-treating the polyester pellets with a diffusion surface of 1.95 to 2.90 m2 /kg, an individual pellet weight of ... | 03/08/1994 |
| 5290631 | Hydrosoluble/hydrodispersible polyesters and sizing of textile threads therewith Hydrosoluble/hydrodispersible polyester copolycondensates, well suited for the sizing of textile threads, comprise terephthalate, isophthalate, sulfoaryl dicarboxylate, ethylene glycol and polyoxyethylene glycol recurring structural units, have a glass tr... | 03/01/1994 |
| 5288559 | Coating composition for metal sheet for two-piece can and metal sheet coated with the composition Provided is a coating composition for a two-piece can containing a polyester resin (A) consisting essentially of terephthalic acid and propylene glycol and containing tri- or more functional polycarboxylic acid or polyol comonomer(s) and an alkyl-etherifi... | 02/22/1994 |
| 5288804 | Acetoacetate aromatic aldimine resin composition A composition comprising a first component including a compound comprising at least two acetoacetate groups, and a second component including a compound comprising at least two groups which will react with an acetoacetate group, at least one of which is a... | 02/22/1994 |
| 5286835 | Preparation of vinyl ether terminated polyesters Vinyl ether terminated ester oligomers having a range of molecular weights are prepared by reacting a vinyl ether terminated polybasic ester with a polyol in the presence of a catalyst. Continual removal of a hydroxy monovinyl ether avoids formation compo... | 02/15/1994 |
| 5271855 | Use of metal soaps of polycarboxylic acids or polycarboxylic acid partial esters as processing aids for polyesters The invention is a processing aid for thermoplastic polyesters which is a salt of a polycarboxylic acid or the salt of a polycarboxylic partial ester. The polycarboxylic acids are partial esters or sales of modified acids such as succinic acid, adipic aci... | 12/21/1993 |
| 5270444 | Process for treatment of polyethylene terephthalate, polyethylene terephthalate for molding purposes and process for preparation thereof According to the present invention, a process which comprises bringing polyethylene terephthalate having an intrinsic viscosity of at least 0.50 dl/g and a density of 1.38 g/cm3 or more into contact with water is provided. In the water-treated ... | 12/14/1993 |
| 5270439 | Method of producing a curable composition containing 4,4'-bis(methacryloylthio)diphenylsulfide A method of producing a curable composition containing a prepolymer having a polythioether skeleton, characterized by comprising addition reacting (A) 4,4'-bis(methacryloylthio)-diphenylsulfide having the formula (I): ##STR1## wherein R is a polyvale... | 12/14/1993 |
| 5268445 | Segmented copolyester amides The invention relates to segmented copolyesteramides built up from units derived from one or more flexible segments, 1,4-butanediol, 1,4-butanediamine and terephthalic.... | 12/07/1993 |
| 5262157 | Method of preventing Pneumocystis carinii pneumonia using pentamidine in an aerosol form Pneumocystis carinii pneumonia may be prevented in a subject susceptible to infection by Pneumocystis carinii by administering to the subject an amount of a pentamidine in aerosol form effective to prevent infection by Pneumocystis carinii and thus preven... | 11/16/1993 |
| 5260405 | Lignin modified binding agents A binding agent for molding compositions and molded bodies produced by reacting a low molecular weight lignin from the Organosolv process with phenol in a weight ratio of 1:20 to 3:1 at 100° to 180° C., adjusting the pH to an acidic value and condensing... | 11/09/1993 |
| 5254639 | Binding agents A binding agent for molded bodies and molding compositions produced by prereacting a mixture of 5 to 60% by weight of lignin or a lignin fraction produced by the Organosolv process and 40 to 95% by weight of a phenol novolac resin and subjecting the latte... | 10/19/1993 |
| 5219979 | Polyoxazolidines with a structure containing carbonate groups, procedure for their preparation and use New polyoxazolidines can be defined with the general formula: ##STR1## where R, R1, R2 and n have the meaning specified in the description. These polyoxazolidines are useful cross-linking agents for hydrocuring systems based on ... | 06/15/1993 |
| 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 subscripted constituent; q=0 or 1, 0 indicating the absence of t... | 06/15/1993 |
| 5216090 | Fatty acid hydroxyalkylamides as coreactable stabilizers and flow aids for powder coatings A thermosetting powder coating composition having improved optical properties, such as orange peel, gloss and Distinctness of Image (DOI), which includes a reactable mixture of a carboxylic acid group-containing polyester or acrylic, a fatty acid hydroxya... | 06/01/1993 |
| 5215825 | Polyester film and photosensitive material A polyester film comprising a polyester whose dicarboxylic acid copolymerized component contains (i) an aromatic dicarboxylic acid having a metal sulfonate and/or a derivative thereof and (ii) a polyetherdicarboxylic acid represented by the following chem... | 06/01/1993 |
| 5213856 | Copolyesters having an improved combination of properties Copolyesters having an improved combination of barrier, mechanical, thermal and rheological properties and consisting of acylic and glycolic radicals, wherein the acylic radicals derive from at least isophthalic acid and 2,6-naphthalene dicarboxylic acid ... | 05/25/1993 |
| 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 oligamide having an Mn ranging from 300 to 3,000 and/or the r... | 05/25/1993 |
| 5204418 | Light-weight polyester film and process for its production A light-weight polyester film which comprises (A) from 50 to 95% by weight of a crystalline polyester resin and (B) from 5 to 50% by weight of a maleimide copolymer, said maleimide copolymer being dispersed in the film in the form of particles having diam... | 04/20/1993 |
| 5198529 | High molecular unsaturated polyester A high molecular weight unsaturated polyester having a number-average molecular weight of 5,000 or greater, the polyester being represented by a general formula: ##STR1## wherein G denotes a glycol residue, m denotes 1 to 10, n denotes 1, and M ... | 03/30/1993 |
| 5194572 | Stabilized naphthalenedicarboxylic acid diesters A method of preparing polyester materials comprising polymerizing a mixture comprising a diol and a stabilized diester of a naphthalenedicarboxylic acid.... | 03/16/1993 |
| 5187019 | Latent catalysts Amino resins, e.g., urea-formaldehyde and melamine-formaldehyde thermosetting resins, are cured with a latent catalyst which is a thermally-decomposable adduct of an aromatic sulfonic acid (e.g., p-toluene sulfonic acid) and a bicyclic oxazolidines (e.g.,... | 02/16/1993 |
| 5187255 | Method of producing a polyether copolymer A method of producing a polyether copolymer by reacting a dihalogenobenzonitrile, 1,4-bis(4'-halobenzoyl)benzene, with 4,4'-biphenol in an aprotic polar solvent in the presence of an alkali metal compound to produce a polyether copolymer having repeating ... | 02/16/1993 |
| 5185426 | Process for the production of polyester with enhanced thermo-oxidative stability A continuous direct esterification and polycondensation process is disclosed for the production of polyester comprising units of ethylene terephthalate as the major repeating units by supplying a slurry of mainly terephthalic acid and ethylene glycol to b... | 02/09/1993 |
| 5183862 | Hyperbranched polyesters This invention relates to hyperbranched, functional polyesters.... | 02/02/1993 |
| 5180496 | Unsaturated polyesters and crosslinked membranes therefrom for aromatics/saturates separation The present invention describes a method for the synthesis of unsaturated aliphatic polyesters, their crosslinking by thermal treatment and the use of the corresponding crosslinked membranes to separate aromatics from saturates.... | 01/19/1993 |
| 5180793 | Flame resistant, low pilling polyester fiber The invention is a polyester and a method for producing a polyester filament which has a combination of flame resistance and low pilling properties. The method comprises forming a polyester polymer from a mixture of two polymers, the first compound being ... | 01/19/1993 |
| 5179190 | Supramolecular surfactants: amphiphilic polymers designed to disrupt lipid membranes An amphiphilic polymer, having the monomer unit structure A, B, C, or D: ##STR1## wherein R is at least one H and C1-6 alkyl, k=1-4, m=4-30, n=2-50 and x=2-500. ##STR2## wherein p and q are, independently, 0-22, and the sum of p and q... | 01/12/1993 |
| 5178950 | Process for producing cationic dye-dyeable polyester fiber with high strength and polyester resin composition used therefor A cationic dye-dyeable polyester resin composition comprising a cationic dye-dyeable polyester resin and a melt viscosity depressant. Addition of the melt viscosity depressant to the cationic dye-dyeable polyester resin reduces the melt viscosity of the resin ... | 01/12/1993 |
| 5177296 | Saturated polyesters and crosslinked membranes therefrom for aromatics/saturates separation The present invention describes a method for the synthesis of saturated aliphatic polyesters by reaction of saturated or aromatic diacid chlorides with oligomeric aliphatic polyester diols, a method to thermally crosslink membranes prepared from the above... | 01/05/1993 |
| 5175229 | Biocompatible polyurea-urethane hydrated polymers A class of hydrophilic prepolymers and hydrated polymer gels are disclosed which are characterized by their transparency, biocompatibility and resistance to nonspecific protein adsorption. At least 75%, preferably at least 90%, of the prepolymers are isoc... | 12/29/1992 |
| 5162153 | Poly(butylene terephthalate) copolyester and a process for preparing it Poly(butylene terephthalate) copolyester advantageous of use as sheath materials in bicomponent fibers are prepared by a process for preparing a high-molecular weight, linear copolyester by condensing 40-85 molar percent of terephthalic acid optionally in... | 11/10/1992 |
| 5162455 | Copolyetherester elastomer A thermoplastic, segmented, linear copolyetherester elastomer with soft segments derived from poly(alkylene oxide) glycol and hard segments of poly(1,2-ethylene terephthalate) or poly(1,4-butylene terephthalate) contains very small amounts of certain bifu... | 11/10/1992 |
