Abstract: The invention is a coating composition containing an aqueous polyurethane dispersion wherein the polyurethane is prepared from a mixture of polycaprolactone diols and an isocyanate mixture having an NCO functionality of more than 1.5 wherein the ratio NCO:OH is from 0.9:1 to 2.5:1. The polyurethane also can contains functional components capable of salt formation in the aqueous solution. The coating composition is particularly useful for coating flexible substrates such as leather and flexible polymeric materials.
Type:
Grant
Filed:
December 15, 1992
Date of Patent:
May 17, 1994
Assignee:
Henkel Kommanditgesellschaft auf Aktien
Inventors:
Rainer Hoefer, Roland Gruetzmacher, Gerhard Kaindl
Abstract: The invention concerns the production of aluminum trihydrate crystal by the Bayer process, by digesting ground bauxite, filtering off the red mud, cooling the filtrate, and crystallizing out the dissolved aluminum hydroxide as gibbsite. Before and/or during the crystallization, polyglycerines of the general formula H--(OCH.sub.2 CHOH--CH.sub.2).sub.n --OH, where n is an integer equal to or greater than 3, are added.
Type:
Grant
Filed:
June 7, 1993
Date of Patent:
May 17, 1994
Assignee:
Henkel Kommanditgesellschaft auf Aktien
Inventors:
Johannes Hachgenei, Reinhard Bunte, Juergen Foell
Abstract: The invention concerns a process, not using chlorate or nitrite, for the production of nickel and manganese containing zinc phosphate films on steel, zinc, and/or zinc alloys by spraying, spray-dipping, and/or dipping, using an aqueous solution. An organic oxidizing agent is added, primarily to depolarize the nascent hydrogen produced.
Type:
Grant
Filed:
December 10, 1991
Date of Patent:
May 17, 1994
Assignee:
Henkel Kommanditgesellschaft auf Aktien
Inventors:
Joerg Riesop, Kurt Hosemann, Karl-Heinz Gottwald
Abstract: Process for the continuous production of partial glyceride sulfates comprising the steps ofA. continuously reacting partial glycerides with gaseous sulfur trioxide,B. subjecting the resulting acidic sulfonation products to ageing, andC. neutralizilng the aged acidic sulfonation products with an aqueous base in the presence of a buffer.
Type:
Grant
Filed:
August 3, 1993
Date of Patent:
May 17, 1994
Assignee:
Henkel Kommanditgesellschaft auf Aktien
Inventors:
Ansgar Behler, Uwe Ploog, Bernd Fabry, Frank Clasen
Abstract: In the cold drawing of steel tubing, an excellent lubrication which permits drawing the tubing while retaining its original metallic luster can be achieved by first contacting the surfaces of the tubing, both exterior and interior, with a colloidal titanium containing aqueous composition, drying the tubing, and then applying to the surface of the tubing a liquid lubricating composition comprising (i) from 40 to 95% of a first component selected from the group consisting of olefin/oil or olefin/fat compounds which contain from 23 to 30% of sulfur and olefin/higher ester compounds which contain from 23 to 30% sulfur, including mixtures of two or more chemical species meeting this description; and (ii) from 5 to 50% of a second component selected from the group consisting of oil soluble polymer compounds, fats and oils, synthetic oils, mineral oils, higher fatty acids, and the amine salts of higher fatty acids.
Type:
Grant
Filed:
November 30, 1992
Date of Patent:
May 3, 1994
Assignee:
Henkel Corporation
Inventors:
Yoshio Nagae, Koji Kaburagi, Koji Hetsugi
Abstract: The invention relates to a process for the flotation of fillers from deinked waste paper in the presence of surfactants containing sulfonate groups.
Type:
Grant
Filed:
February 8, 1993
Date of Patent:
May 3, 1994
Assignee:
Henkel Kommanditgesellschaft auf Aktien
Inventors:
Ansgar Behler, Rainer Hoefer, Klaus Hornfeck, Wolfgang von Rybinski
Abstract: The present invention relates to the use for cleaning hard surfaces of a combination of ionic and nonionic surfactants containing(a) at least one quaternary ammonium compound having the general formula (I)R.sup.1 (--CHOH--CHR.sup.2).sub.n --N.sup.+ R.sup.3 R.sup.4 R.sup.5 X.sup.-(I)(b) at least one alk(en)yl polyethylene glycol mixed ether having the general formula (II):R.sup.6 --O--(CH.sub.2 CH.sub.2 --O).sub.2 --R.sup.7 (II).
Abstract: The invention is a resorbable, viscous to solid wax for the mechanical staunching of blood on hard body tissue, particularly bones, based on oligomers of glycolic acid and/or lactic acid and derivatives thereof with monofunctional and/or polyfunctional alcohols and/or corresponding carboxylic acids. The new waxes are characterized by containing body-compatible salts of organic and/or inorganic acids which are formed by corresponding reaction of any free carboxyl groups present in the oligomer wax and/or are incorporated in the wax in homogeneous distribution as added salts.
Abstract: The process of producing alkoxylated thiodiglycol sulfoxide derivatives and thiodiglycol sulfone derivatives corresponding to formula I ##STR1## wherein X.sub.1 and X.sub.2 may be the same or different and represent a hydroxyl-substituted aklyl radical containing 8 to 30 carbon atoms, an acyl radical of an alkyl monocarboxylic acid containing 8 to 30 carbon atoms, and X.sub.1 or X.sub.2 may be hydrogen, R represents hydrogen or methyl, z is 1 or 2, n is 0 to 25 and m is 1 to 25, by reacting an alkoxylated thiodiglycol with a C.sub.8 14 C.sub.30 .alpha.-olefin expoide or a C.sub.8 -C.sub.30 monocarboxylic acid in a molar ratio of about 1:1 to about 1:2, and oxidizing the mono- and bis- ethers or mono- and bis- esters formed to the sulfoxide or sulfone derivatives.
Type:
Grant
Filed:
March 5, 1993
Date of Patent:
May 3, 1994
Assignee:
Henkel Kommanditgesellschaft auf Aktien
Inventors:
Gerhard Stoll, Peter Daute, Ingo Wegener, Faize Berger
Abstract: A mixture of C.sub.16 -C.sub.28 alkyl glucosides (A) and C.sub.16 -C.sub.28 fatty alcohols (B) in a weight ratio (A):(B) of between 20:1 and 1:9 possesses foam inhibiting properties even when highly diluted. The mixture is suitable for use in the food industry, and is preferably employed in a chemically inert liquid carrier oil that is immiscible with water.
Type:
Grant
Filed:
January 3, 1992
Date of Patent:
April 26, 1994
Assignee:
Henkel Kommanditgesellschaft auf Aktien
Inventors:
Karlheinz Hill, Adolf Asbeck, Karl Heinz Schmid
Abstract: The alkylsulphate pastes disclosed can be prepared by sulphonating mixtures containing a)50-90% by weight of at least one aliphatic primary alcohol with 6-22 carbon atoms and b)1-50% by weight of at least one unsaturated fatty acid glyceride ester derived from fatty acids having 16-22 carbon atoms and having one, two or three double bonds, with gaseous sulphur trioxide and subsequently neutralizing and hydrolysing the reaction products with aqueous bases in such a way that pastes with solids contents of 30-80% by weight are obtained.
Type:
Grant
Filed:
April 16, 1993
Date of Patent:
April 19, 1994
Assignee:
Henkel Kommanditgesellschaft auf Aktien
Inventors:
Frank Wangemann, Rainer Hofmann, Bernd Fabry, Fritz Lange
Abstract: The invention is a process for reducing the fatty alcohol content of a mixture of fatty alcohol and fatty glycoside product by passing the mixture through a forced circulation evaporation zone to form a mixture of fatty alcohol and fatty glycoside product with a reduced fatty alcohol content and passing the mixture with the reduced fatty alcohol content to a wiped film evaporator to remove additional fatty alcohol.
Abstract: The invention relates to the use of reaction mixtures containing polyester polyols which have been obtained by ring opening of epoxidized esters with carboxylic acids, as polyol component, optionally in admixture with polybutadiene diol, in the production of solid polyurethane materials by casting.
Type:
Grant
Filed:
June 23, 1992
Date of Patent:
April 12, 1994
Assignee:
Henkel Kommanditgesellschaft auf Aktien
Inventors:
Rainer Hoefer, Gerhard Stoll, Peter Daute, Roland Gruetzmacher
Abstract: An improved process for preparing esters of an alcohol and a carboxylic acid employing sulfuric acid in an amount effective to both catalyze the reaction and to remove or immobilize the water of reaction whereby an ester is provided in increased yield and purity. Esters of long chain acids are useful for the preparation of diketones which find utility as metal extractants.
Abstract: Abstract of the Disclosure Stabilizer combination for Ca/Zn-stabilized PVC molding materials, containing (a) Ca salts of saturated, straight-chain C.sub.8 -C.sub.34 fatty acids, (b) Zn salts of saturated, straight-chain or branched C.sub.8 -C.sub.22 fatty acids, (c) epoxidized glycerides of unsaturated, straight-chain C.sub.16 -C.sub.22 fatty acids having an oxirane number of 6 to 8 and iodine number less than 5, and (d) ketofatty acid glycerides of general formula R.sup.1 COO--CH.sub.2 -(R.sup.2 COO)CH-CH.sub.2 -OCR.sub.3, in which the groups R.sup.1 COO--, R.sup.2 COO--, and R.sup.3 COO-- stand for residues of ketofatty acids with 16 to 22 carbon atoms and optionally residues of fatty acids with 12 to 22 carbon atoms, and 60 to 100 wt.% of the groups are derived from the ketofatty acids and 40 to 0 wt.
Type:
Grant
Filed:
December 7, 1992
Date of Patent:
April 12, 1994
Assignee:
Neynaber Chemie GmbH
Inventors:
Kurt Worschech, Gerhard Stoll, Ernst-Udo Brand, Peter Wedl
Abstract: An aqueous liquid composition containing polyethylene glycol with a molecular weight in the range of about 200 to about 8000, nonionic surfactant, and a corrosion inhibitor, and optionally, amphoteric surfactants and fluorinated surfactants is useful as a highlighting liquid for detection of surface irregularities on shaped metal surfaces and for preventing adhesion of weld splatter on surfaces coated with the composition. Preferably the corrosion inhibitor includes alkali metal salts of boric acid and of a mixture of branched chain carboxylic acids and amino acids.
Abstract: Pinhole and blister formation during autodeposition coating of galvanized steel and similar zinciferous surfaces can be greatly reduced by exposing the zinciferous surfaces to a pinhole inhibiting aqueous HF solution containing a suitable additive before using an autodeposition process itself. The most effective additives are boric acid, polyphosphonic acids, and polyethyleneimine.
Abstract: An improved process for oximation of carbonyl compounds, such as ketones and aldehydes by oximation with hydroxylamine including oximation processes carried out in the presence of a catalytic amount of an acid phase transfer catalyst, such as 2-ethylhexanoic acid, and/or the presence of an alkali metal or alkaline earth metal catalyst. The resulting oximes are useful as metal extractants.
Abstract: A composition for treatment and after treatment of surfaces, especially metals, with derivatives of polyphenol compounds is provided. The derivatives include substituted aminomethyl groups on at least some of the phenyl rings in the polyphenol polymers, with molecular weights within the range of about 700 to about 70,000 being preferred. The compositions are particularly useful for treating chromated aluminum surfaces prior to painting, to improve corrosion resistance, and when combined with surfactants, for treating plastic and painted surfaces to improve rinsability without water breaks.
Type:
Grant
Filed:
July 8, 1993
Date of Patent:
March 29, 1994
Assignee:
Henkel Corporation
Inventors:
Andreas Lindert, Gerald J. Cormier, John R. Pierce
Abstract: Quaternized esters having fabric-softening and hydrophilicizing properties are obtained by reaction of unsaturated fatty acids containing at least 40 mol-% transconfigured double bonds or esters thereof with alkanolamines and subsequent quaternization of the reaction products with alkylating agents.
Type:
Grant
Filed:
November 16, 1992
Date of Patent:
March 22, 1994
Assignee:
Henkel Kommanditgesellschaft auf Aktien
Inventors:
Guenter Uphues, Uwe Ploog, Rainer Jeschke, Peter Waltenberger