Patents Represented by Attorney, Agent or Law Firm John E. Drach
  • Agricultural adjuvant
    Patent number: 6432884
    Abstract: 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: Grant
    Filed: December 3, 1998
    Date of Patent: August 13, 2002
    Assignee: Cognis Corporation
    Inventor: Frank J. Lachut
  • Processes for the recovery of copper from aqueous solutions containing nitrate ions
    Patent number: 6432167
    Abstract: 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: Grant
    Filed: January 11, 2001
    Date of Patent: August 13, 2002
    Assignee: Cognis Corporation
    Inventors: Michael J. Virnig, Phillip L. Mattison, Hans C. Hein
  • Method for producing alkoxylated dimer fatty acids
    Patent number: 6429324
    Abstract: Processes for preparing alkylene glycol esters of dimer fatty acids according to the general formula (I): H—(OR)n—O(O)C—R1—C(O)O—(RO)n—H  (I) wherein R1 represents a hydrocarbon radical of a dimer fatty acid having from about 24 to about 44 carbon atoms, and each R independently represents an alkyl radical having from about 2 to about 3 carbon atoms, and each n independently represents a number of from about 0.25 to about 3.0, are described. The processes include: (a) providing dimer fatty acids; (b) providing an alkylene oxide; and (c) reacting the dimer fatty acids and the alkylene oxide, in the presence of a catalytically-effective amount of at least one alkanolamine.
    Type: Grant
    Filed: August 18, 2000
    Date of Patent: August 6, 2002
    Assignee: Cognis Deutschland and GmbH
    Inventors: Hans-Christian Raths, Frank Bongardt, Ansgar Behler, Juergen Roeder
  • Processes for the purification of tocopherol and/or sterol compounds and compositions containing orthoborate ester mixtures
    Patent number: 6429320
    Abstract: Processes for purifying compounds are disclosed which include reacting (i) a mixture of at least one tocopherol compound or sterol compound, and an alcohol having from about 10 to 30 carbons with (i) one or more boron-containing compounds to form a second mixture of orthoborate esters, wherein the mole ratio of tocopherol, sterol and alcohol to boron is at least about 2.5:1; heating the second mixture to form a residue containing the orthoborate esters; contacting the residue with a compound capable of solvolyzing the orthoborate esters to form a third mixture including the boron-containing compound(s), the alcohol and the tocopherol and/or sterol compound(s); and recovering the tocopherol and/or sterol compound(s).
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: August 6, 2002
    Assignee: Cognis Corporation
    Inventors: Patrick M. McCurry, Jr., Stephen W. Turner, Carl Pickens
  • Carotenoid agent for inhibiting the conversion of epithelial cells to tumors
    Patent number: 6428816
    Abstract: A method of inhibiting carcinogen mediated conversion of melanocyte cells and protecting DNA against carcinogen-mediated damage by administering a composition comprising a water insoluble carotenoid such as beta-carotene is disclosed.
    Type: Grant
    Filed: January 16, 1997
    Date of Patent: August 6, 2002
    Assignee: Cognis Australia Pty., Ltd.
    Inventors: Lance Elliot Schlipalius, Julie A. Buckmeier, Frank L. Meyskens, Jr.
  • Energy-curable composition for making a pressure sensitive adhesive
    Patent number: 6429235
    Abstract: An energy-curable polymer-forming composition for making a pressure sensitive adhesive includes an unsaturated oligomer resin and an adhesive promoter which increases the peel strength of the adhesive without reducing its tack. The composition also includes a tackifier and various other optional components such as photoinitiator, chain extender, reactive diluent and the like.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: August 6, 2002
    Assignee: Cognis Corporation
    Inventors: Ulrike Varlemann, Ning Chen, Arifin Marzuki, Ramesh Narayan
  • Aqueous cosmetic preparations in stick form
    Patent number: 6428776
    Abstract: A cosmetic composition containing: (a) an alkyl and/or alkenyl oligoglycoside corresponding to formula (I): R1O—[G]p  (I) wherein R1 is an alkyl and/or alkenyl radical having from 4 to 22 carbon atoms, G is a sugar radical having 5 or 6 carbon atoms, and p is a number from 1 to 10; (b) an oily compound; (c) a nonionic emulsifier; and (d) an active ingredient selected from the group consisting of an anti-perspirant compound, a deodorant compound, an antibacterial active compound, and mixtures thereof, and wherein the composition is free of soap and natural wax.
    Type: Grant
    Filed: October 11, 2000
    Date of Patent: August 6, 2002
    Assignee: Cognis Deutschland GmbH
    Inventors: Bernhard Guckenbiehl, Bernhard Banowski, Holger Tesmann
  • High-speed false-twist texturing process
    Patent number: 6426141
    Abstract: The invention relates to a process for the high-speed false twist texturing of yarns of synthetic filaments, in which a finish containing at least one water-soluble lubricant (A) and one water-insoluble liquid (B) with a viscosity of 2 to 50 mPas at 20° C. is applied to the yarns in the form of an aqueous emulsion, after which the filaments are textured on the false twist principle in texturing machines with a short high-temperature heater.
    Type: Grant
    Filed: July 23, 1999
    Date of Patent: July 30, 2002
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Raymond Mathis, Norbert Bialas, Andreas Lippman
  • Dimerized fatty acid based polyamides useful for clear candle and gel applications
    Patent number: 6423304
    Abstract: Blooming and/or syneresis in gel formulations can be reduced or eliminated by adding to an organic mixture an effective amount of a polyamide gelling agent having a softening point of less than about 105° C. wherein the polyamide is the reaction product of one or more diamines, optionally one or more mono-amines, one or more hydrogenated C36 dimer acids, optionally one or more C2-22 dicarboxylic acids, and optionally one or more C2-22 monocarboxylic acids.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: July 23, 2002
    Assignee: Cognis Corporation
    Inventors: Shailesh Shah, Sobhy El-Hefnawi, Douglas C. Rhubright
  • Reaction product of phenol-aldehyde with polyamine(-epoxy adduct) and proton donor
    Patent number: 6420496
    Abstract: A curing agent for epoxy resins is prepared by (1) reacting a phenol and an aldehyde in the presence of a basic catalyst to form a first reaction product, (2) reacting the first reaction product with a polyamine or a polyamine-epoxy adduct to form a second reaction product containing unreacted primary amine groups, and (3) reacting the second reaction product with a proton donor compound having a pKa value of 11 or less to form the curing agent.
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: July 16, 2002
    Assignee: Cognis Corporation
    Inventors: Robert M. Moon, Shailesh Shah, Anbazhagan Natesh, Gaetano D. DeAngelis, Joseph L. Mulvey, Ronald T. Cash, Jr.
  • Use of quaternary carboxylic acid alkanolamine ester salts as microbicide agents
    Patent number: 6420330
    Abstract: A process for destroying or preventing the proliferation of microorganisms involving contacting the microorganisms with a quaternary carboxylic acid alkanolamine ester salt corresponding to formula I: wherein R1CO is an acyl group having from 2 to 18 carbon atoms, R2 and R3, independently of one another, represent an alkyl group containing from 1 to 16 carbon atoms, or a group corresponding to CH2CH2OR5, R4 is an alkyl group containing from 1 to 4 carbon atoms, R5 is hydrogen and/or R1CO, and X is an anion; is disclosed.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: July 16, 2002
    Assignee: Cognis Deutschland GmbH
    Inventors: Norbert Stelter, Guenter Uphues
  • Pigmented coatings exhibiting reduced fading
    Patent number: 6409809
    Abstract: A method for preventing the fading of pigmented coatings, especially water based acrylic paints, includes incorporating therein a biocide containing a mixture of from about 1% to about 99% by weight of a halogenated benzonitrile compound and from about 1% to about 99% by weight of a conazole compound.
    Type: Grant
    Filed: February 8, 2000
    Date of Patent: June 25, 2002
    Assignee: Cognis Corporation
    Inventors: Kenneth Breindel, Samuel A. Firman
  • Self-dispersing, hardenable epoxy resins, processes for producing the same and methods of using the same
    Patent number: 6410617
    Abstract: Self-dispersing, hardenable epoxy resins produced by reacting one or more &agr;,&bgr;-unsaturated carboxylic acid esters with one or more aminopolyalkylene oxide compounds, reacting the thus formed intermediate with one or more polyhydroxy compounds, and reacting the thus formed intermediate with one or more polyepoxide compounds, are described. Processes for their production, aqueous dispersions containing the same and methods for their use are also described.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: June 25, 2002
    Assignee: Cognis Deutschland GmbH
    Inventors: Horst Sulzbach, Thomas Huver, Hans-Josef Thomas, Vincenzo Foglianisi
  • Aqueous, agrochemical agents containing active ingredients
    Patent number: 6403529
    Abstract: An aqueous agricultural composition containing: (a) at least one water-insoluble agrochemical; and (b) an additive corresponding to formula (I): RO—(C2H4O)n(C3H6O)m—R′  (I) wherein RO is an alcohol selected from the group consisting of branched or linear, saturated or unsaturated monohydric alcohols having from 1 to 6 carbon atoms or polyols having from 2 to 12 carbon atoms and from 2 to 6 hydroxyl groups, and R′ is hydrogen or an ester group —CO—R″ wherein R″ is a branched or linear, saturated or unsaturated alkyl group having from 5 to 20 carbon atoms, m is a number from 1 to 10 and n is a number up to 40, and wherein the agrochemical and the additive are present in a ratio by weight of from 1:2 to 1:5.
    Type: Grant
    Filed: January 29, 2001
    Date of Patent: June 11, 2002
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Horst-Werner Wollenweber, Ansgar Behler, Hans Christian Raths, Hans-Georg Mainx, Juergen Reinhardt
  • Textile finishing agent
    Patent number: 6402976
    Abstract: A textile finish composition containing: (a) an esterquat; and (b) a quatemized fatty acid imidazoline.
    Type: Grant
    Filed: May 17, 1999
    Date of Patent: June 11, 2002
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Bernd Wahle, Guenter Uphues, Yvonne Reichert, Rafael Pi Subirana, Terese Copete Vidal
  • Color-stable polyalkyleneimine derivatives, fiberglass lubricants containing the same and processes for producing the same
    Patent number: 6399741
    Abstract: Polymer derivatives based upon polyalkyleneimine backbones having a color stabilizing-effective amount of their reactive amino functionalities substituted by either a carboxylic acid or an amino-protecting group such as urea, are disclosed. Methods for preparing said derivatives are also disclosed. Fiber lubricant compositions comprising said polymer derivatives, and the resistance to yellowing associated with such lubricants are disclosed. Also disclosed are methods for treating fibers using the polymer derivatives.
    Type: Grant
    Filed: March 12, 2001
    Date of Patent: June 4, 2002
    Assignee: Cognis Corporation
    Inventors: Douglas F. Fry, Frank Norman Tuller
  • Extreme pressure lubricant
    Patent number: 6399550
    Abstract: An extreme pressure industrial gear lubricant having enhanced oxidative and thermal stability, lower pour point, and higher viscosity index relative to petroleum-based lubricants is comprised of a poly-&agr;-olefin, a polyol ester, a polybutene oligomer, an antioxidant, and an extreme pressure additive.
    Type: Grant
    Filed: July 25, 1996
    Date of Patent: June 4, 2002
    Assignee: Cognis Corporation
    Inventor: Eugene R. Zehler
  • Hardeners for epoxy resins, processes for producing the same and methods of using the same
    Patent number: 6395806
    Abstract: Hardeners for epoxy resins produced by reacting one or more &agr;,&bgr;-unsaturated carboxylic acid esters with one or more hydroxy compounds, reacting the thus formed intermediate with one or more aminopolyalkylene oxide compounds, reacting the thus formed intermediate with one or more polyepoxide compounds, and reacting the thus formed intermediate with one or more amines are described. Processes for their production, aqueous dispersions containing the same and methods for their use are also described.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: May 28, 2002
    Assignee: Cognis Deutschland GmbH
    Inventors: Horst Sulzbach, Thomas Huver, Hans-Josef Thomas, Vincenzo Foglianisi
  • Sterol esters as food additives
    Patent number: 6394230
    Abstract: A food additive useful for lowering serum cholesterol in humans contains a sterol or stanol ester of a fatty acid or a dicarboxylic acid ester of a sterol or stanol made by reacting a sterol, stanol and a carboxylic acid in the presence of an effective amount of a catalyst selected from the group consisting of calcium oxide, calcium hydroxide, a calcium salt of a carboxylic acid, magnesium hydroxide and combinations thereof described herein below.
    Type: Grant
    Filed: May 21, 1998
    Date of Patent: May 28, 2002
    Assignee: Cognis Corporation
    Inventors: Norman Milstein, Manfred Biermann, Peter Leidl, Rainer von Kries
  • Process for recovery of metals from metal-containing ores
    Patent number: 6395062
    Abstract: Use of a mixture of a C9 alkylsalicylaldoxime and a ketoxime as an extractant in a water-immiscible organic solvent solution in a metal extraction circuit to enhance the transfer of iron values to a dilute acid wash solution when the metal loaded organic solvent/extractant solution is washed with the dilute acid wash solution.
    Type: Grant
    Filed: January 22, 2001
    Date of Patent: May 28, 2002
    Assignee: Cognis Corporation
    Inventors: Stephen M. Olafson, G. Timothy Fisher, Michael J. Virnig