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| Number | Title | Issue Date |
| 7408077 | Permanent surface modifiers The invention relates to novel compounds of the formula I, II; III or IV wherein the general symbols are as defined in claim 1. These compounds are useful as surface modifiers for polymers in order to improve resistance to fog formation or water and oil repellency. | 08/05/2008 |
| 7385075 | Method for producing esters of multibasic acids A process is described for preparing esters of an acid component selected from among polybasic C4-C10 carboxylic acids and an alcohol component selected from among C3-C12 alkanols or from among C3-C12 | 06/10/2008 |
| 7381354 | Flame retardants with high halogen content and low viscosity Flame retardant formulations comprised of at least one bromine-containing polyol are produced by a process which comprises: A) heating a mixture formed from components comprised of (i) tetrabromophthalic anhydride, (ii) at least on... | 06/03/2008 |
| 7258823 | Flame retardants with high halogen content and low viscosity Flame retardant formulations comprised of at least one bromine-containing polyol are produced by a process which comprises: A) heating a mixture formed from components comprised of (i) tetrabromophthalic anhydride, (ii) at least one aliphatic polyol, an... | 08/21/2007 |
| 7045564 | Flame retardants with high halogen content and low viscosity A flame retardant formulation which is the combination of at least (1) at least one bromine-containing polyol flame retardant formed from the reaction of (a) tetrabromophthalic anhydride, (b) an aliphatic polyol, and (c) an epoxide, and (2) at least one aliphatic di... | 05/16/2006 |
| 6951954 | Continuous process for producing bis(3-hydroxypropyl) terephthalate A process for the continuous production of at least one of bis(3-hydroxypropyl) terephthalate and low molecular weight oligomers of 1,3-propanediol and terephthalic acid is disclosed. According to the process, preheated 1,3-propanediol (about 150° C. to about 200°... | 10/04/2005 |
| 6855844 | Phtalic anhydride based polyester-ether polyols and double metal cyanide catalyst system for preparing same Disclosed are polyester-ether polyols and their use in urethane prepolymers, urethane foams and non-foam urethane coatings, adhesives, sealants and/or elastomers. Methods for producing such polyester-ether polyols using double metal cyanide catalysts are disclosed, ... | 02/15/2005 |
| 6768021 | Process improvement for continuous ethyl acetate production Disclosed herein is an improved process for producing ethyl acetate comprising contacting acetic acid and ethanol in a reaction zone in the presence of an acid catalyst, distilling formed vapors and condensing to form an organic phase rich in ethyl acetate and an aq... | 07/27/2004 |
| 6642407 | Production, purification and polymerization of aromatic dicarboxylic acids This invention provides a process for purifying the crude aromatic dicarboxylic acids produced by oxidation of dialkyl aromatic hydrocarbons and for using the purified acids in the preparation of polyethylene terephthalate, polyethylene naphthalate and ot... | 11/04/2003 |
| 6569352 | Phthalic anhydride based polyester-ether polyols and urethane prepolymers produced therefrom Disclosed are polyester-ether polyols and their use in urethane prepolymers, urethane foams and non-foam urethane coatings, adhesives, sealants and/or elastomers. Methods for producing such polyester-ether polyols are disclosed, along with methods for pro... | 05/27/2003 |
| 6284811 | Low viscosity polyester-polyols and polyurethane foams prepared therefrom A polyester-polyol being liquid at 40° C. and having a viscosity of not more than 10,000 mPa.multidot.s at 60° C., prepared by polycondensation of an acid component including at least one phthalic acid component selected from phthalic anhydride and o-ph... | 09/04/2001 |
| 6255523 | Power coatings based on branched oligoesters and non-emissive uretdione polyisocyanates The present invention relates to powder coating compositions which can be cured at low temperatures. The powder coating composition of the invention include a unique combination of a branched oligoester polyol and uretdione crosslinking agent which when c... | 07/03/2001 |
| 6100374 | Method of purifying crude naphthalenedicarboxlic acid and process for preparing polyethylene naphthalate The process for preparing polyethylene naphthalate according to the invention is intended to obtain polyethylene naphthalate having a low impurity content from naphthalenedicarboxylic acid containing impurities. This process comprises the steps of: mixing... | 08/08/2000 |
| 5907054 | Process for the polymerization of cyclic ether The present invention provides a process for the production of an ester of polyoxyalkylene glycol on an industrially favorable basis which comprises the ring opening polymerization of a cyclic ether in the presence of a carboxylic anhydride and a solid ac... | 05/25/1999 |
| 5763642 | Low monol polyoxy (higher) alkylene polyols with primary hydroxyl content Esterification of an ultra-low unsaturation polyoxy(higher)alkylene polyol with a dicarboxylic acid or reactive derivative thereof to form a poly(half ester) followed by capping the poly(half ester) with a capping agent capable of forming an amide linkage... | 06/09/1998 |
| 5510447 | Polymeric vehicle for coatings This invention relates to a polymeric vehicle comprising a modified polymer containing covalently bonded mesogenic groups. The modified polymer may be used as the sole component of the polymeric vehicle for a coating to which may be added solvents and kno... | 04/23/1996 |
| 5463020 | Preparation of polytetrahydrofuran or tetrahydrofuran/alkylene oxide copolymers Polytetrahydrofuran or C2 -C10 -alkylene oxide/tetrahydrofuran copolymers having a molecular weight of from 250 to 20,000 Dalton are prepared by the cationic polymerization of tetrahydrofuran or tetrahydrofuran and C2 -C | 10/31/1995 |
| 5457241 | Polyalk-1-enyl ethers This invention relates to the polyalk-1-enyl ethers having the formula ##STR1## which is the reaction product of a hydroxylated compound and an alk-1-enyloxy oxirane and to the process for preparing the polyalk-1-enyl ether product.... | 10/10/1995 |
| 5455025 | Non-aqueous emollient compositions for topical application Non-aqueous compositions for topical application comprising one or more active ingredients and a fatty alkoxylate ester emollient agent comprising a diester or triester of an aliphatic or aromatic tricarboxylic acid formed by reacting the acid with a stoi... | 10/03/1995 |
| 5453468 | Prepolymers containing a perfluoropolyethereal chain and carboxylic end groups, suitable as cross-linking agents for epoxy prepolymers The invention relates to two classes of prepolymers containing a perfluoropolyethereal chain and carboxylic end groups, suitable as cross-linking agents for epoxy prepolymers. The first class contains anhydride-derived end groups; the second lactone-deriv... | 09/26/1995 |
| 5440060 | Surface-active compounds based on alkoxylated fatty amines The demands on the properties of pigments, in particular in the areas of emulsion paints and printing inks, which are continuously becoming more specific made it necessary to develop selective and environmentally safe dispersing and emulsifying agents and... | 08/08/1995 |
| 5397810 | Polyol, polyurethane resin and utilization thereof The present invention relates to a novel polyol obtained by using a specified polyhydric alcohol, polyoxyalkylene polyol, aliphatic amine and/or alkamlamine as a raw material and adding an organic polycarboxylic acid or its anhydride and an alkylene oxide... | 03/14/1995 |
| 5364956 | Diester, composite ester and polyester having ether-ester terminal structure The compound described in the present invention is represented by the following general formula: R1 (OCH2 CH2)n O(COACOOXO)m COACO(OCH2 CH2)k OR2 wherein A is ... | 11/15/1994 |
| 5360900 | Aromatic polyester polyol Two methods for preparing polyester-polyether polyols from polyalkylene terephthalates are disclosed. The first method comprises reacting the polyalkylene terephthalate with a solution of low molecular weight polyols and ethoxylated methyl glucoside at a ... | 11/01/1994 |
| 5332860 | Polyols useful for preparing polyurethane foams having improved retention of insulative properties, polyurethane foams prepared therewith and methods for the preparation thereof Polyurethane foams having improved retention of insulative properties can be prepared using one or more of two novel polyols. One of the polyols is a polyether prepared by reacting a monoepoxide with a compound having the general formula: ##STR1## ... | 07/26/1994 |
| 5332859 | Process for producing tetrabromophthalic diesters Described is a batchwise process for producing tetrabromophthalic diester flame retardants having consistent product characteristics.... | 07/26/1994 |
| 5302377 | Fatty alkoxylate esters of aliphatic and aromatic dicarboxylic and tricarboxylic acids as emollients Fatty alkoxylate esters which are diesters or triesters of an aliphatic or aromatic dicarboxylic or tricarboxylic acid formed by reacting the acid with a stoichiometric excess of one or more polyalkoxylated fatty alcohols. Compositions for topical applica... | 04/12/1994 |
| 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 |
| 5219479 | Self-emulsifying ester compounds Compounds of general formula (I), wherein R1 is hydrogen, C1-4 alkyl or a group of formula (II): --O(CH(R10)CH2 O)n R20, R2 is hydrogen or a group of formula (III): --O(CH(R... | 06/15/1993 |
| 5204454 | Prepolymeric polyols containing mesogenic units Prepolymer polyols containing mesogenic moieties useful as reactants for the preparation of resinous materials are disclosed. Synthesized by condensing a polyether polyol with bifunctional mesogenic diacids, or diesters, the compounds of the invention are... | 04/20/1993 |
| 5116897 | Antistatic composition Described is a composition imparting antistatic properties to polyamide materials and of the general formula: ##STR1## wherein R is a C1-9 alkyl group or hydrogen, Z is a difunctional chain modifier group, R' is a C1-4 alkyl gro... | 05/26/1992 |
| 5068395 | Process for producing polymeric plasticizers from polyethylene terephthalate A process is disclosed for preparing polymeric plasticizers from polyethylene terephthalate which comprises reacting a trimellitic acid polyester ether with polyethylene terephthalate to prepare a nonlinear copolymer with hydroxyl functionality which is t... | 11/26/1991 |
| 5015759 | Process for increasing the direct esterification reaction rate of a diacid with a glycol A process for increasing the direct esterification reaction rate between a diacid and 1,4-butanediol and for directly esterifying greater than 95% of the acid ends of the diacid by mixing in any order the diacid, the 1,4-butanediol and a catalyst compound... | 05/14/1991 |
| 4943626 | Primary polyether active hydrogen compounds which are prepared from linked, protectively initiated polyalkyleneoxides Polyether active hydrogen compounds having at least two terminal active hydrogen groups on primary carbon atoms are prepared by (a) forming polyoxyalkylene molecules each having at least one active hydrogen precursor, (b) linking at least two of the polyo... | 07/24/1990 |
| 4940696 | Benzonaphthalene derivatives and their use in therapeutic and cosmetic compositions A benzonaphthalene compound has the formula ##STR1## wherein R1 represents ##STR2## or (ii) --CH2 OH; R6 represents ##STR3## or OR7 wherein R7 represents hydrogen, alkyl having 1-20 car... | 07/10/1990 |
| 4937307 | Unique low viscosity polyesters and their products These low viscosity polyesters and their products, such as urethanes produced with organic polyisocyanate(s) alone or plus a reactive diluent, such as a glycol or polyester glycols are uniquely useful for coatings, liquid coatings and as an adhesive for f... | 06/26/1990 |
| 4902816 | Polyols from phthalic compounds Polyols containing polyether and polyester moieties, based on phthalic acid are described. A phthalic acid derivative is reacted with a polyether polyol to give the novel polyols which are useful not only in polyisocyanurate foams, but also polyurethane f... | 02/20/1990 |
| 4898965 | Additives for synthetic resins An additive for synthetic resins contains a block copolymer having as its constituent segments both polyester block obtainable by ring-opening polymerization of &3xb5;-aliphatic lactone and polydiene block. One or more of these polyester blocks are connec... | 02/06/1990 |
| 4898964 | Additives for synthetic resins An additive for synthetic resins includes a [liquid rubber]/[polyester] block copolymer comprising block liquid rubber compound parts and block polyester parts as constituent segments. One or more of these polyester blocks are connected to each one of the... | 02/06/1990 |
| 4894181 | Carbocyclic compounds Carbocyclic compounds of the formula I ##STR1## wherein Q is a benzene or cyclohexane ring or a naphthalene system, X is in each case --CH2 --(CH2)p -- where it is also possible for one or two non-adjacent CH2 | 01/16/1990 |
