Patents Assigned to Cognis Corporation
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Patent number: 6551523Abstract: An ester blend, including an ester having neopentylglycol and a source of 2-ethylhexanoic acid as its reactive components and an ester having pentaerythritol and a source of 2-ethylhexanoic acid as its reactive components, is especially effective as a lubricant for chlorine-free fluorocarbon refrigerant heat transfer fluids, particularly Refrigerant 134a (1,1,1,2-tetrafluoroethane).Type: GrantFiled: April 13, 2001Date of Patent: April 22, 2003Assignee: Cognis CorporationInventor: Nicholas E. Schnur
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Patent number: 6540942Abstract: Nonaqueous compositions comprising at least one product of the reaction between A) a linking agent of formula I R4(Y)3 (I) Wherein each Y group is a halogen atom or one Y group is a halogen atom and two Y groups represent an epoxy oxygen atom, which is attached to two adjacent carbon atoms in the R4 group to form an epoxy group, and R4 is an alkanetriyl group containing from 3 to 10 carbon atoms; and B) a compound of formula II R3(EO)n(PO)m(BO)pX (II) Wherein R3 is substituted or unsubstituted, saturated or unsaturated, organic oxy or thio group having from 1 to 36 carbon atoms or a primary or secondary amino group having from 1 to 36 carbon atoms; n is a number of from 0 to 50; m is a number of from 0 to 50; p is a number of from 0 to 50; and X is hydrogen, or X can be a mercapto group, an amino group, or a C1-C6 alkylamino group in place of a terminal —OH group, provided that when X is mercapto, amino or a C1-C6 alkylamino, the sum of n, m, and p must be at least 1; and theType: GrantFiled: October 15, 2001Date of Patent: April 1, 2003Assignee: Cognis CorporationInventors: Miguel A. Dones, Ramesh L. Narayan
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Patent number: 6532973Abstract: A cleaning composition containing: (A) an alkyl polyglycoside corresponding to formula I: R1O(R2O)b(Z)a I wherein R1 is a monovalent organic radical having from about 6 to about 30 carbon atoms; R2 is a divalent alkylene radical having from 2 to 4 carbon atoms; Z is a saccharide residue having 5 or 6 carbon atoms; b is a number having a value from 0 to about 12; a is a number having a value from 1 to about 6; and (B) at least one product of a reaction between: a) at least one linking agent of formula IV: R4(Y)3 (IV) wherein each Y group is a halogen atom or one Y group is a halogen atom and two Y groups with two adjacent carbon atoms in the R4 group and an oxygen atom form an epoxy group, and R4 is an alkanetriyl group containing from 3 to 10 carbon atoms; and (b) at least one compound of formula (II) R3(EO)n(PO)m(BO)pX (II) wherein R3 is a substituted or unsubstituted saturated or unsaturated, aliphatic oxy or thio group having from 1 to about 36 carbonType: GrantFiled: May 25, 2000Date of Patent: March 18, 2003Assignee: Cognis CorporationInventors: Stephen F. Gross, Timothy C. Morris, Michael S. Wiggins, Robert J. Valesky
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Patent number: 6528475Abstract: A process for making a solid primary alkyl amine salt, and its use in a powdered laundry detergent.Type: GrantFiled: October 5, 2000Date of Patent: March 4, 2003Assignee: Cognis CorporationInventors: Stephen F. Gross, Robert J. Valesky, Timothy C. Morris, Robert J. Coakley, George Smith
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Patent number: 6517840Abstract: A process for recovering isoflavone values from a biomass in which the isoflavone values are extracted from the biomass with a selective solvent for the isoflavone values, solid isoflavone values and the selective solvent are contacted with a nonsolvent or antisolvent for the isoflavone value which is miscible with the selective solvent. Optionally the nonsolvent or antisolvent is admixed with water during the contact with the solid isoflavone values to improve the purity and recovery of the solid isoflavone values.Type: GrantFiled: December 2, 1999Date of Patent: February 11, 2003Assignee: Cognis CorporationInventors: William G. Kozak, Puvin Pichai, Patricia J. Voorstad, Sang I. Kang, Michael Rueter, Jonathan D. Thomas
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Patent number: 6512016Abstract: Defoaming compositions consisting essentially of: A) at least one organosilicone compound having defoaming activity in aqueous based compositions; and B) at least one base catalyzed reaction product of: a) a linking agent of formula I R4(Y)3 (I) wherein each Y group is a halogen atom or a halogen and two Y groups on adjacent carbons in R4 and an oxygen may be an epoxy group, and R4 is an alkane triyl group having 3 to 10 carbon atoms; and b) a compound of formula II R3(EO)n(PO)m(BO)pX (II) wherein R3 is defined in the specification; n, m, and p are 0 to 50; X is hydrogen, mercapto group or amino group; when X is other than hydrogen, the sum of m, n, and p must be at least 1; the mole ratio of I:II is from about 0.6:1 to about 5:1; and aqueuos compositions containing them.Type: GrantFiled: July 20, 2001Date of Patent: January 28, 2003Assignee: Cognis CorporationInventors: Ayaz Khan, Samuel A. Firman, III, David W. Brown, John E. Nowicki
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Patent number: 6509395Abstract: Branched polymer defoamers for pigment dispersants. The branched polymers are the reaction products of a linking agent defined by formula (I): R(Y)3 (I) wherein each Y group is a halogen atom or one Y group is a halogen atom and two Y groups together represent an epoxy oxygen atom, which is attached to two adjacent carbon atoms in the R group to form an epoxy group, and R is an alkanetriyl group containing from 3 to 10 carbon atoms, and b) at least one compound having the formula (II) R1X(EO)n(PO)m(BO)pZ (II) wherein R1 is a substituted or unsubstituted, saturated or unsaturated, organic group having from 4 to 36 carbon atoms; x is —O—, —S—, or —NR2—where R2 is hydrogen or a C1-C4 alkyl group; Z is hydrogen, —NHR2 in place of a terminal —O— group wherein R2 has the meaning given above, or —SH, in which the —SH group is present in place of a terminal —O— group; n is a number of from 0 to 100, e.g.Type: GrantFiled: March 8, 2001Date of Patent: January 21, 2003Assignee: Cognis CorporationInventors: Kenneth Breindel, David W. Brown
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Patent number: 6503734Abstract: A novel gene has been isolated which encodes cytochrome b5 (CYTb5) protein of the &ohgr;-hydroxylase complex of C. tropicalis 20336. Vectors including this gene, and transformed host cells are provided. Methods of increasing the production of a CYTb5 protein are also provided which involve transforming a host cell with a gene encoding this protein and culturing the cells. Methods of increasing the production of a dicarboxylic acid are also provided which involve increasing in the host cell the number of genes encoding this protein.Type: GrantFiled: July 24, 2001Date of Patent: January 7, 2003Assignee: Cognis CorporationInventors: David L. Craft, Krishna M. Madduri, John C. Loper
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Patent number: 6500232Abstract: Process and equipment for the removal of crud from the interface between aqueous and organic layers in SX settlers in which at least one rotatable auger is positioned at or near the interface to remove crud continuously or intermittently from the interface.Type: GrantFiled: July 18, 2001Date of Patent: December 31, 2002Assignee: Cognis CorporationInventors: Jerome P. Dorlac, R. Brantly Sudderth
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Patent number: 6498261Abstract: The invention is a method for improving the color and color stability of oleic acid by a two column distillation process in which the oleic acid to be color improved is introduced into a first distillation zone containing an enriching section and a stripping section providing a minor amount of a topping product and a major amount of underflow containing the oleic acid and passing the oleic acid to a bottom portion of a second distillation zone having an enriching section to recover the improved oleic acid with improved color and color stability as a top product from the second distillation zone.Type: GrantFiled: June 7, 1995Date of Patent: December 24, 2002Assignee: Cognis CorporationInventors: Edward L. Ewbank, David J. Anneken
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Patent number: 6491839Abstract: A process for making a fiber finish composition having anti-sling properties involving: (a) providing a lubricant component; (b) providing water; (c) providing a powder-form polyethylene oxide having a weight average molecular weight of more than 106; (d) providing a static in-line mixing apparatus; and (e) mixing (a)-(c) in the static in-line mixing apparatus to form the fiber finish composition.Type: GrantFiled: April 18, 2000Date of Patent: December 10, 2002Assignee: Cognis CorporationInventors: Kay M. McCoy, AlexSandra C. Nasser, Isaac Fleming, Danny Lindsey
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Patent number: 6489496Abstract: The present invention pertains to a process for making an alkyl ester of a carboxylic acid via transesterification comprising the steps of: (1) reacting a carboxylic acid ester with an alcohol and an effective amount of a transesterification catalyst in a reaction zone to form a reaction mixture comprised of a product ester and a product alcohol; (2) passing the reaction mixture from step (1) through a centrifugal separation zone wherein the second alcohol is separated from the second ester. The process according to the invention allows for shorter reaction times and improved product yields.Type: GrantFiled: June 26, 2001Date of Patent: December 3, 2002Assignee: Cognis CorporationInventors: Jeffrey A. Barnhorst, Michael D. Staley, Dean A. Oester
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Patent number: 6479441Abstract: A process for inhibiting the formation of surface haze on finished transparent soap bars involving the steps of: (a) providing a finished transparent soap bar; (b) providing a coating component selected from the group consisting of water, a C1-C8 aliphatic alcohol, a polyol, and mixtures thereof; (c) applying the coating component onto the finished transparent soap bar to form a coated transparent soap bar; and (d) immediately packaging the coated transparent soap bar.Type: GrantFiled: March 5, 1997Date of Patent: November 12, 2002Assignee: Cognis CorporationInventor: J. Matthew White
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Patent number: 6472440Abstract: Defoamers are the products of the reaction of epichlorohydrin and compounds having the formula II R3(EO)n(PO)mOH (II) wherein R3 is an alkyl, alkenyl or arenyl group having from 4 to 22 carbon atoms; a substituted alkyl or alkenyl group having from 4 to 22 carbon atoms wherein; n is a number from 0 to 50 and m is a number from 0 to 10; wherein the mole ratio of epichlorohydrin to (II) is from about 0.60/1 to about 2/1 are extremely efficient defoamers for aqueous surfactant systems. The defoamers are added to a surfactant in an amount sufficient to reduce or eliminate foam and have the advantage of being totally dispersible in water, are readily biodegradable, contain no organic solvents and do not affect the detergency of surfactants with which they are used because they are nonionic surfactants in themselves.Type: GrantFiled: April 14, 1999Date of Patent: October 29, 2002Assignee: Cognis CorporationInventors: Stephen F. Gross, Michael S. Wiggins, Ronald W. Broadbent, David I. Devore
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Patent number: 6465605Abstract: Polymeric compounds useful as low foaming surfactants and defoaming and stabilizing agents for aqueous-and nonaqueous-based compositions, and to processes for the preparation of the polymeric compounds, wherein the polymeric compounds are the reaction products of reactants comprising A) at least one linking compound of formula I R1(X)3 (I) wherein each X group is a halogen atom or one X group is a halogen atom and two X groups represent an epoxy oxygen atom, which is attached to two adjacent carbon atoms in the R1 group to form an epoxy group, and R1 is an alkanetriyl group containing from 3 to 10 carbon atoms; and B) compounds of formula 11 R2(OA)nX (II) wherein R2 is an organic group containing from 4 to 36 carbon atoms, n is a number of from 0 to 200, X is —OH, —NHR′, or —SH and each OA group is independently an ethyleneoxy, 1,2-propyleneoxy, or 1,2-butyleneoxy group.Type: GrantFiled: February 15, 2001Date of Patent: October 15, 2002Assignee: Cognis CorporationInventors: Kenneth Breindel, Ronald W. Broadbent, Michael S. Wiggins, Marcie Natale
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Patent number: 6451773Abstract: A composition for treating acneiform eruption containing: (a) a chitosan having a molecular weight ranging from about 500,000 to about 5,000,000 g/mole and a degree of deacylation greater than 80%; (b) an acid-form active ingredient for treating acne; and (c) water.Type: GrantFiled: March 31, 2000Date of Patent: September 17, 2002Assignee: Cognis CorporationInventors: Dean A. Oester, Rolf Wachter, Jeffrey A. Gates
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Patent number: 6432167Abstract: A process for the recovery of copper from an aqueous phase containing nitrate ions, in which the aqueous phase is contacted with a solution of an oxime extractant in a water-immiscible organic solvent, which comprises using at least one of the following process variants: I) reducing the acidity of the aqueous phase prior to contact with the organic solution; and II) reducing the electromotive force in the aqueous phase prior to contact with the organic solution.Type: GrantFiled: January 11, 2001Date of Patent: August 13, 2002Assignee: Cognis CorporationInventors: Michael J. Virnig, Phillip L. Mattison, Hans C. Hein
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Patent number: 6432884Abstract: Compositions useful as adjuvants for agricultural chemical formulations are comprised of a lower alkanol ester of a fatty acid and an emulsifier package. The emulsifier package is comprised of a nonionic surfactant selected from the group consisting of an ethoxylated castor oil, an alkoxylated castor oil, an ethylene-propylene block copolymer, an ethoxylated-propoxylated alkyl phenol, an ethoxylated sorbitan fatty acid ester, a sorbitan fatty acid ester and an anionic surfactant selected from the group consisting of an ethoxylated partial phosphate ester, alkyl sulfate, an alkyl ether sulfate, a branched alkyl benzene sulfonate, a linear alkyl benzene sulfonate and an alpha olefin sulfonate. The adjuvants exhibit particularly good electrolyte tolerance and are stable to hard water when used in combination with fertilizers.Type: GrantFiled: December 3, 1998Date of Patent: August 13, 2002Assignee: Cognis CorporationInventor: Frank J. Lachut
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Patent number: 6432878Abstract: An adjuvant composition for pesticide formulations which exhibits reduced eye irritancy is comprised of a polyoxyalkylene aliphatic amine containing at least about 2 moles of an alkylene oxide group and an eye irritation reducing compound which simultaneously reduces the eye irritation caused by the polyoxyalkylene aliphatic amine and which complexes with metal ions such as calcium and iron which may be present in an aqueous solution of the adjuvant and a pesticide or a plant growth regulator. The eye irritation reducing compound is a carboxylic add that is capable of complexing with or forming chelates with metal ions in aqueous solution while simultaneously reducing the eye irritation caused by the polyoxyalkylene aliphatic amine. The adjuvant also contains a mixture of polyhydric alcohols and, optionally, a defoamer. The adjuvant is particularly in N-phosphonomethylglycine (glyphosate) herbicidal formulations.Type: GrantFiled: November 24, 1999Date of Patent: August 13, 2002Assignee: Cognis CorporationInventor: Mickey R. Brigance
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Patent number: 6432166Abstract: Process for the control of dust on ore handling points comprising applying to the ore an aqueous solution of an alkyl polyglucoside having an average of from 8 to 12 carbon atoms and a degree of polymerization of from 1.4 to 1.6.Type: GrantFiled: July 5, 2001Date of Patent: August 13, 2002Assignee: Cognis CorporationInventors: Stephen M. Olafson, Michael J. Virnig, G. Timothy Fisher