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| Number | Title | Issue Date |
| 7335719 | Polyester based on poly(trimethylene terephthalate) A polyester based on poly(trimethylene terephthalate) consisting essentially of trimethylene terephthalate repeating units, comprising at least one kind of compound selected from the group consisting of alkali metal compounds, alkaline earth metal compounds and mang... | 02/26/2008 |
| 7196158 | Knitted/woven fabric of polyester fiber A knitted/woven fabric of polyester fibers is produced from a polyester polymer obtained by condensation-polymerizing an aromatic dicarboxylate in the presence of a catalyst which comprises a mixture of a titanium compound ingredient (A) comprising a titanium alkoxi... | 03/27/2007 |
| 7189797 | Process for producing poly(ethylene-aromatic dicarboxylate ester) resin and resin product A poly(ethylene aromatic dicarboxylate ester) resin usable for the production of fibers, films and bottle-formed articles, is produced by polycondensing a diester of an aromatic dicarboxylic acid with ethylene glycol by using a catalyst including a non-reacted mixtu... | 03/13/2007 |
| 7144614 | Polyester polymerization catalyst, polyester produced by using the same, and process for producing polyester This invention provides a novel polymerization catalyst other than antimony compounds, polyester produced by using the same and a process for producing polyester. The polycondensation catalyst of this invention is a polyester polymerization catalyst comprising an al... | 12/05/2006 |
| 7144974 | Polyester production method, polyester composition, and polyester fiber In a polyester production method, a titanium compound having a radical selected from a carbonyl group, a carboxyl group, or an ester group, and a phosphorous compound having a structure illustrated in Formula (I), are added | 12/05/2006 |
| RE39246 | Esterification catalysts and processes therefor and therewith A catalyst composition is disclosed. The composition comprises a titanium compound, a complexing agent, hypophosphorous acid or its metal salt, water and optionally a solvent. The complexing agent can be hydroxycarboxylic acid, alkanolamines, aminocarboxylic acids, ... | 08/22/2006 |
| RE39182 | Process for the preparation of thermally stable polyoxymethylene copolymers A process for the preparation of polyoxymethylene copolymers, wherein 1,3,5-trioxane is polymerized with generally known comonomers in the presence of a strong protonic acid initiator and in the presence of a formaldehyde dialkyl acetal, and wherein the initiator is... | 07/11/2006 |
| 7057006 | Stable aqueous solutions comprising titanium and zinc and process therewith A composition that can be used as catalyst in esterification, transesterification or polycondensation is disclosed, which comprises a stable solution comprising (a) titanium in the form of a titanium α-hydroxycarboxylic acid or its salt, (b) a C1–C | 06/06/2006 |
| 6858573 | Anionic surfactants An anionic surfactant of the formula (I): R2—Y—(O)C—(HR)C—C(HR1)—C(O)—(OA)n—X wherein one of R and R1 is a C6 to C22 linear or branched alkyl or alkenyl, and the other is hydrogen; Y is ... | 02/22/2005 |
| 6783827 | Method or decreasing the cyclic oligomer content in polyester product The present invention relates to a method for decreasing the cyclic oligomer content level in the manufacturing process of polyethylene terephthalate (PET) and in the PET products produced from said process by adding calcium phosphate at least one selected from the ... | 08/31/2004 |
| 6673854 | Vinyl acetate/ethylene emulsion stabilized with a phosphate surfactant The present invention is directed to a vinyl acetate-ethylene polymer dispersion containing a vinyl acetate-ethylene polymer, a phosphate-functional surfactant, and a protective colloid. The invention is also directed to an aqueous coating composition hav... | 01/06/2004 |
| 6630564 | Copolyester with improved extrusion processing and color for extrusion blow molding To a copolyester reacted essentially by terephthalic acid components and ethylene glycol units, adding 1% to 15 weight % of specific diol unit selected from the group consisting of at least one of 2-butyl-2-ethyl-1,3-propanediol, 3-methyl-1,5-pentanediol,... | 10/07/2003 |
| 6590030 | Anionic alkoxylate surfactant This invention relates to an anionic alkoxylate surfactant of formula (I), where R is a di- or tri-unsaturated C4-22 straight or branched hydrocarbon chain, at least two double bonds of said unsaturated chain being conjugated and exhibiting opp... | 07/08/2003 |
| 6541598 | Composition comprising titanium and process therewith A composition that can be used as catalyst is disclosed. The composition comprises, or is produced by combining, (A) a titanium compound; (B) either (i) a complexing agent, (ii) a combination of a complexing agent, hypophosphorous acid or a salt thereof, ... | 04/01/2003 |
| 6489433 | Metal-containing composition and process therewith A composition that can be used as catalyst is disclosed. The composition comprises, or is produced by combining, (A) a titanium compound; (B) either (i) a complexing agent, (ii) a combination of a complexing agent, hypophosphorous acid or a salt thereof, ... | 12/03/2002 |
| 6489434 | Manufacturing method of copolyester for low acetaldehyde content of PET bottles The present invention provides a manufacturing method of copolyester for low acetaldehyde content of PET bottles. The polyethylene terephthalate (PET) polymer is added with an appropriate modifier in order to decrease the production of acetaldehyde caused... | 12/03/2002 |
| 6166170 | Esterification catalysts and processes therefor and therewith A catalyst composition is disclosed. The composition comprises a titanium compound, a complexing agent, hypophosphorous acid or its metal salt, water and optionally a solvent. The complexing agent can be hydroxycarboxylic acid, alkanolamines, aminocarboxy... | 12/26/2000 |
| 6133404 | Polyester and formation process thereof A biodegradable polyester is formed by carrying out esterification and polycondensation with a carboxylic acid monomer group comprising at least one aliphatic dicarboxylic acid containing 2 to 14 carbon atoms and at least one aromatic or alicyclic carboxy... | 10/17/2000 |
| 6022930 | Process for producing polycondensable macromonomer This invention relates to the process for the preparation of macromonomers with more than one polycondensable functional groups with equal reactvity, which comprises reacting a carboxyl or hydroxyl terminated prepolymers, with an organic compound containi... | 02/08/2000 |
| 6020421 | Polyester composition and method for producing the same A poly(ethylene terephthalate) polyester composition which is decreased in the amount of a cyclic trimer of ethylene terephthalate formed in melting, and a method for producing the same.... | 02/01/2000 |
| 5994455 | Process for the preparation of thermally stable polyoxymethylene copolymers A process for the preparation of polyoxymethylene copolymers, wherein 1,3,5-trioxane is polymerized with generally known comonomers in the presence of a strong protonic acid initiator and in the presence of a formaldehyde dialkyl acetal, and wherein the i... | 11/30/1999 |
| 5834078 | Hydroxy-functionalized poly(amino ether) salts Poly(hydroxyaminoether) ammonium salts are prepared by contacting a poly(hydroxy amino ether) with a protonic acid or an alkyl halide in an amount and under reaction conditions sufficient to form a poly(hydroxy amino ether) ammonium salt having an oxygen ... | 11/10/1998 |
| 5714570 | Method for the preparation of polyester by use of composite catalyst A method for preparing polyester by use of a catalyst. The method comprises the steps of: esterifying either a terephthalic acid, a dicarboxylic acid containing terephthalic acid or derivatives thereof with either ethylene glycol or a glycol containing et... | 02/03/1998 |
| 5684123 | Preparation of catalyst solution A process for the preparation of a solution of a catalyst system, suitable for use in a process for copolymerizing carbon monoxide and one or more ethylenically unsaturated compounds, which comprises (a) combining a palladium compound, a bisphosphine of t... | 11/04/1997 |
| 5370938 | Polyester compositions Disclosed are polyester adhesive compositions which exhibit increased melt viscosity and improved adhesion comprised of residues of terephthalic acid, ethylene glycol and diethylene glycol and having reacted therewith or copolymerized therein the residue ... | 12/06/1994 |
| 5331066 | Process for producing polyester ether copolymer The present invention provides a process for producing a polyester ether copolymer which comprises conducting polycondensation after or while melting and mixing a polyester, of 0.3 (dl/g) or more in intrinsic viscosity, and a polyether having hydroxy grou... | 07/19/1994 |
| 5138024 | Modified polyester useful as photographic roll film support A copolyester is synthesized by reacting a dialkyl ester of an aromatic dicarboxylic acid (e.g., dimethyl terephthalate) with ethylene glycol, low molecular weight poly(ethylene glycol) and a salt of a sulfonic acid-substituted aromatic dicarboxylate (e.g... | 08/11/1992 |
| 5010132 | Water-base paint for coating the inside surface of metallic can A water-base paint for coating the inside surface of a metallic can, said paint comprising fine particles of a polyester resin dispersed in an aqueous medium in the presence of a surface-active agent, wherein (A) the polyester resin comprises units derived fro... | 04/23/1991 |
| 4786681 | Polymerization process The invention provides a process for producing a water-in-oil emulsion of a water-soluble polyacrylamide or polyacrylic acid polymer or copolymer by the inverse emulsion process characterized in that there is used as the emulsifying agent for the water-in... | 11/22/1988 |
| 4734455 | Stabilizers for filled polyol compositions This invention is an active hydrogen-containing composition comprising a relatively high equivalent weight active hydrogen-containing material and an inert, particulate filler which is stabilized with a stabilizer composition comprising (1) a carboxylic o... | 03/29/1988 |
| 4513114 | Polyester composition A polyester composition with an excellent high-speed melt-spinning property, comprising (A) 100 parts by weight of a matrix polyester resin comprising at least 80 molar % of an ethylene terephthalate recurring unit, and (B) 0.2 to 7 parts by weight of a disper... | 04/23/1985 |
| 4391937 | Color stable chelated titanate compositions A composition containing a chelated titanium compound and an additive selected from the group consisting of (1) esters of thioalkanoic acids, (2) di-tertiary-butyl phenol containing compounds, (3) organic phosphites, and (4) mixtures of (2) and (3), retar... | 07/05/1983 |
| 4340518 | Process for the production of a cationic polychloroprene latex and a mixture of this latex with bitumen emulsion Process for producing a cationic polychloroprene latex by homo- or copolymerizing chloroprene in an aqueous emulsion in the presence of ammonium salts of inorganic or organic acids as emulsifiers wherein the polymerization is carried out in presence of an... | 07/20/1982 |
| 4045517 | Polyacrylic hot melt adhesives Novel polyacrylic hot melt adhesives prepared by blending a polymer having a Tg of -85° to 0° C. with a polymer having a Tg of 20° to 150° C. are disclosed.... | 08/30/1977 |
| 3984385 | Anaerobically hardening adhesives and sealants containing a hydrazide accelerator Organic sulfonic acid hydrazides are accelerators for aerostable anaerobically-setting adhesive compositions. They can be used with stabilizers. Preferred hydrazides of this group are the aryl sulfonic acid hydrazides, for example benzene sulfonic acid hy... | 10/05/1976 |
