Abstract: The invention relates to additives for improving cold-flow and lubricating properties of fuel oils, comprising
A) 5-95% by weight of at least one oil-soluble amphiphile of the formulae
in which R1 is an alkyl, alkenyl, hydroxyalkyl or aromatic radical having 1 to 50 carbon atoms, X is NH, NR3, O or S, y is 1, 2, 3 or 4, R2 is an alkyl radical carrying hydroxyl groups and having 2 to 10 carbon atoms and R3 is an alkyl radical carrying nitrogen and/or hydroxyl groups and having 2 to 10 carbon atoms or a C1-C20-alkyl radical, and
B) 5 to 95% by weight of a terpolymer of ethylene, the vinyl ester of one or more aliphatic, linear or branched monocarboxylic acids which contain 2 to 20 carbon atoms in the molecule and a C5-C7-olefin containing from 9 to 18 mol % of vinyl ester and from 0.5 to 5 mol % of olefin (based in each case on the terpolymer), having a melt viscosity, measured at 140° C., of from 20 to 10,000 mPas.
Abstract: The invention relates to a halogen-free, flame-retardant rigid polyurethane foam, wherein a combination of oxalkylated alkylphosphonic acids and ammonium polyphosphate is present as flame retardant, and to a process for its production.
The invention also relates to the use of oxalkylated alkylphosphonic acids in a mixture with ammonium polyphosphate for producing halogen-free, flame-retardant rigid polyurethane foams of this type.
Abstract: The present invention relates to resins obtained by reacting a compound of formula 1 with an aldehyde and alkoxylating, in any order:
wherein
X is —OH,
Y is ortho-, meta- or para- to X and is a radical of formula 4,
wherein R5 is a C1-C30-alkyl, C2-C30-alkenyl, C6-C18-aryl, or C7-C30-alkylaryl. The resin has a molecular mass from 250 to 100,000 and is useful in methods of breaking oil-water emulsions.
Type:
Grant
Filed:
April 14, 2000
Date of Patent:
October 15, 2002
Assignee:
Clariant GmbH
Inventors:
Frank Holtrup, Elisabeth Wasmund, Wolfram Baumgärtner, Michael Feustel
Abstract: The present invention relates to compounds of the formula
in which one, two or three of the radicals R1, R2, R3 and R4 are
where m and n are an integer from 1 to 10, R5, R6, R7 and R8 are, independently of one another, identical or different and are a straight-chain or branched alkyl radical having 1 to 10 carbon atoms, and the remaining radical(s) R1 to R4 are
or —NR9R10, where R9 and R10 are identical or different and are a straight-chain or branched alkyl radical having 1 to 10 carbon atoms,
and X− is an inorganic or organic anion or an equivalent of a multiply charged inorganic or organic anion. The invention further relates to mixtures of substances comprising compounds of the formula (1), to a process for preparing the compounds of the formula (1) and to the use thereof.
Type:
Grant
Filed:
July 17, 2000
Date of Patent:
October 15, 2002
Assignee:
Clariant GmbH
Inventors:
Berthold Schiemenz, Thomas Wessel, Ralf Pfirmann
Abstract: The invention relates to a dye
in which
R1 is hydrogen, alkyl of 1 to 4 carbon atoms, or alkoxy of 1 to 4 carbon atoms;
R2 is hydrogen, carboxyl, chloro or nitro;
R21 is hydrogen; or R2 and R21 together form a benzene ring which is fused on in positions 3 and 4 of the ring A and can carry 1, 2 or 3 sulfo groups;
m is a number from 0 to 1; n is a number from 1 to 2;
M+ is a cation or a mixture of different cations, at least one equivalent of the cations
M+ per mole of the dye being lithium cations and/or cations of the formula (II)
where p is a number from 1 to 30;
X is CH2CH2, CH(CH3)CH2, CH2CH(CH3) or a combination thereof
and R3, R4 and R5 independently of one another are hydrogen, a group of the formula (III)
—(—X—O—)pH (III)
or an aliphatic radical of 1 to 18 carbon atoms.
Dyes of the formula (I) are particularly suitable as colorants in inkjet inks.
Type:
Grant
Filed:
July 12, 1999
Date of Patent:
October 15, 2002
Assignee:
Clariant GmbH
Inventors:
Wolfgang Bauer, Heidemarie Menzel, Josef Geisenberger, Reinhard Pedrazzi
Abstract: Process for the preparation of perfluorocarboxylic acids of the formula RF—COOH, salts thereof and esters thereof from perfluoroalkyl iodides of the formula RF′—I, in which RF and RF′ are cyclic, branched or linear, saturated or unsaturated perfluoroalkyl radicals, by activating the perfluoroalkyl iodides in the presence of oxygen and in organic solvents.
Type:
Application
Filed:
July 10, 2001
Publication date:
October 10, 2002
Applicant:
Clariant GmbH
Inventors:
Ralf Grottenmuller, Wolfgang Knaup, Anton Probst, Klaus Dullinger
Abstract: The invention relates to additives for improving lubricating properties of fuel oils, comprising
A) 10-95% by weight of at least one oil-soluble amphiphile of the formulae 1
and/or 2
R1—X—R2 (2)
B) 5-90% by weight of at least one copolymer which contains
B1) from 5 to 80 mol % of structural units which are derived from olefinically unsaturated compounds, and
B2) from 20 to 95 mol % of structural units which are derived from olefinically unsaturated compounds,
B3) from 0 to 40 mol % of further structural units selected from the group consisting of (meth)acrylic acid, (meth)acrylates, vinyl esters, vinyl ethers and alkenes,
and the copolymer has an average molar mass Mw of from 500 to 100,000 g/mol and an OH number of from 10 to 350 mg KOH/g.
Abstract: The use of copolymers containing structural units derived from the compounds of the formulae 1 and 2
in which
R1 and R2 are H, C1-C4 alkyl or, with inclusion of the N—CO— group, form a ring of 5, 6, 7 or 8 ring atoms which in addition to the N—CO— group, may include further heteroatoms,
R3 is H or C1-C4 alkyl,
R4 is a branched or unbranched C1-C6 alkylene radical, and
Y is an alkali metal or ammonium
in amounts of from 0.01 to 2% by weight to prevent misting in water-based cooling lubricants.
Abstract: A solid-form dishwasher detergent that contains a builder combination of conventional phosphates and crystalline layer silicates. Despite its phosphate content, the detergent provides improved protection to sensitive tableware, more particularly glasses and decorated tableware, and improved cleaning performance.
Type:
Grant
Filed:
December 22, 2000
Date of Patent:
October 8, 2002
Assignees:
Henkel Kommanditgesellschaft auf Aktien, Clariant GmbH
Inventors:
Rainer Sorg, Christian Nitsch, Juergen Haerer, Harald Volk, Thomas Mueller-Kirschbaum, Peter Krings, Harald Bauer, Josef Holz, Guenther Schimmel, Lothar Westermann
Abstract: Copolymers containing
A) from 45 to 54 mol % of divalent structural units of the formula 1
in which a and b=0 or 1 and a+b=1,
B) from 35 to 53 mol % of divalent structural units of the formula 2
—H2C—CHR2— (2)
and
C) from 1 to 25 mol % of divalent structural units derived from polyolefins, where the polyolefins can be derived from monoolefins having 3 to 5 carbon atoms, wherein
a) R1 is an alkyl or alkenyl radical having 10 to 40 carbon atoms or an alkoxyalkyl radical having 1 to 100 alkoxy units and 1 to 30 carbon atoms in the alkyl radical, and
b) R2 is an alkyl radical having 10 to 50 carbon atoms,
c) the alkylvinylidene content of the polyolefins on which the structural units C) are based is at least 50 mol %, and
d) the number of carbon atoms in the polyolefin molecules on which the structural units C) are based is from 35 to 350.
Abstract: The invention relates to a granular alkali metal phyllosilicate compound which comprises a crystalline alkali metal phyllosilicate, a colorant and an additive. The invention also relates to a process for its preparation, and to detergents and cleaners which comprise such a granular alkali metal phyllosilicate compound.
Type:
Grant
Filed:
December 15, 2000
Date of Patent:
September 24, 2002
Assignee:
Clariant GmbH
Inventors:
Harald Bauer, Josef Holz, Günther Schimmel
Abstract: The invention relates to a stabilized, pulverulent red phosphorus material composed of phosphorus particles whose particle size is not more than 2 mm, and whose surface has been covered with a thin layer of an oxidation stabilizer, wherein the oxidation stabilizer is silver, and also to the use of the same, and to a process for its preparation.
Abstract: The invention relates to alkyl phosphates, in particular their mixtures, of the formula
in which R is C12-C22-alkyl, preferably C14-C18-alkyl, X is a group of the formulae NH3R1, NH2R2R3 or NHR4R5R6, Y is as defined for R or is as defined for X, and R1 is C8-C22-alkyl, R2 and R3 are C1-C22-alkyl or cyclohexyl, and R4, R5 and R6 are C1-C4-alkyl. These compounds, in particular the mixtures of mono- and diesters, are suitable as emulsifiers in the preparation of aqueous emulsions.
Abstract: Cleaning composition for dental prostheses comprising an oxidizing agent and an organic compound which carries a carbonyl group which forms a dioxirane structure in aqueous solution by reaction with the oxidizing agent.