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WO2000032686A9 |
The present invention is directed to a process for the production of agglomerates of a blend of a sterically hindered phenol antioxidant and an acid neutralizer such that the agglomerates have a balanced hardness to resist abrasion durin...
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WO/2001/025369A1 |
Absorbing oxygen from a closed space at a rapid rate, particularly in food packaging, is made possible by introducing an alcohol-water mixture as an activator for iron-based absorber systems, preferably including an acid to control pH. P...
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WO/2001/025173A1 |
The invention relates to the chemical and/or physical treatment of mixtures that contain monomers having at least one ethylenically unsaturated group in the presence of the reaction products of alkyl succinic acid anhydrides and stable N...
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WO/2001/023498A1 |
The invention relates to a method for producing stabilizer dispersions for stabilizing plastic dispersions, containing the following: f) a dispersing agent, liquor A; g) at least one compound B, which acts as a tensile; h) optionally, at...
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WO/2001/023499A1 |
The present invention provides compositions and methods for inhibiting polymerization of vinyl aromatic compounds comprising a bisphenol compound and an oxidized p-phenylenediamine compound.
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WO/2001/019897A1 |
Selected polymeric stabilizers with pendant nitroxide, hydroxylamine or hydroxyammonium salt groups B are water soluble or water dispersible and have high affinity to pulp or paper. These stabilizers prevent the loss of brightness and en...
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WO/2001/012750A1 |
Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of an inhibitor having structural formula (I) wherein R¿1? and R¿4? a...
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WO/2001/012614A1 |
The invention relates to N-oxyl radicals of formula (I) wherein X represents S, NR?5¿, O, SO or SO¿2?, and; R?1¿, R?2¿, R?3¿, R?4¿, and R?5¿, independent of one another, represent organic groups or; R?1¿ and R?2¿ and/or R?3¿ an...
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WO/2001/012677A1 |
Vapor-phase vinyl polymerization fouling in monomer systems is inhibited by the use of an effective amount of an antipolymerant selected from stable free radicals, volatile alkylamines, or both. The preferred nitroxide is 3,6-dihydro-2,2...
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WO/2001/005367A1 |
The present invention is directed to a process for stabilizing antioxidant compounds comprising the step of adding to said compound, in an aqueous mean, at least an oxygen-removing compound, at least a metallic ion sequestering compound ...
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WO/2001/000145A1 |
The invention relates to antioxidants or radical scavengers and their reaction products. The invention provides compounds and compositions for use in methods for scavenging radicals or for modulating the immune response comprising urocan...
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WO/2000/077133A1 |
Fat compositions excellent in antioxidant stability, flavor and appearance which contain: (A) a fat comprising at least 15% by weight of diglycerides; (B) an L-ascorbic acid fatty acid ester; and (C) a member selected from among catechin...
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WO/2000/073266A1 |
The invention concerns compounds of general formula (I) (wherein R and R' represent an alkyl radical or an aryl group and R'' is hydrogen or a CO-R?1¿ group wherein R?1¿ is an alkyl radical or an aryl group; and the dimers formed by th...
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WO/2000/069956A1 |
The present invention is directed to a composition comprising: a) a hydrogenated vinyl aromatic homopolymer or copolymer, and b) a light stabilizer mixture comprising: 1) a hindered amine, and 2) an ultraviolet (UV) light absorber.
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WO/2000/066661A1 |
The invention relates to mixtures containing the following components: A) stabilisers for protecting organic materials against the harmful effects of light, heat and/or oxidation; B) iminophosphoranes as flameproofing agents for organic ...
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WO/2000/063155A1 |
A method of manufacturing an alkylated diphenylamine composition to generate an alkylated diphenylamine composition with relatively low amounts of unsubstituted diphenylamine, based on the total weight of substituted and unsubstituted di...
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WO/2000/061836A1 |
Non-halogen substituted, nitrogen containing, aromatic compounds are disclosed which are effective copper corrosion inhibitors in aqueous systems being treated with a halogen biocide. The materials of the present invention exhibit copper...
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WO/2000/056745A1 |
There is provided a derivatised anhydrofructose comprising a hydrophobic group linked (directly or indirectly) to a C of an anhydrofructose moiety.
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WO/2000/056838A1 |
There is provided an anti-oxidant composition comprising a cyclic compound having formula (I) or a derivative thereof, wherein R?1¿ and R?2¿ are independently selected from -OH, =O, wherein R?3¿ is a substituent comprising an -OH grou...
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WO/2000/055279A1 |
The invention relates to an inhibitor mixture which contains as its components at least one phenothiazine derivative and at least one chemical compound containing at least one phosphorus atom with the oxidation number +3. Further compone...
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WO/2000/049115A2 |
The process consists of: the extraction (4) of the disintegrated plant material with an organic solvent or a mixture of solvents, at a temperature of 0 to 100 °C, the subsequent rapid cooling, and the separation of the essential oils; t...
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WO/2000/039248A1 |
Antioxidative protection is conferred on a substance liable to oxidative deterioration, by admixing it with at least one compound selected from sub-groups ($g(a)), ($g(b)) and ($g(g)), namely: ($g(a)) rosmarinic acid; ($g(b)) salts of th...
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WO/2000/039066A1 |
The invention relates to salts of the carboxylic function in rosmarinic acid, selected from a sodium salt isolated from tissue of plants of the Labiatae family, rosmarinic acid salts other than the sodium salt, or admixtures of other sal...
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WO/2000/039209A1 |
The present invention relates to an A polymerizable composition, comprising a) at least one compound of formula (I), (RG)-A-(Stab), wherein (Stab) is a light stabilizer radical selected from the group consisting of sterically hindered am...
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WO/2000/039249A1 |
Ume ($i(Prunus mume) SIEB. et Zucc.) leaf, stem, nucleus and flower are extracted 5 times by volume as much methanol. The obtained extract has an antioxidative effect, an inhibitory effect on gastric mucosa damage, an aldose reductase in...
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WO/2000/037584A1 |
The present invention relates to a method of stabilising monomers. Said method comprises placing said monomers in contact with an effective amount of at least one radical polymerisation inhibitor or retarder. Characteristically said inhi...
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WO/2000/036052A1 |
The premature polymerization of vinyl aromatic compounds, such as styrene, in the presence of saturated precursors during distillation or purification processes is very effectively inhibited by the presence of at least one stable nitroxi...
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WO/2000/034352A1 |
The invention relates to a method of coagulating aqueous PUR dispersions, to the coagulation products obtained thereby and to the use of the coagulated PUR dispersions. The PUR dispersions that are used according to the inventive method ...
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WO/2000/034356A1 |
The invention relates to blocked polyisocynate cross-linking agents, the production and use thereof in 1K baking enamels, especially in OEM clear varnishes (original equipment material, primary enamel).
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WO/2000/032687A1 |
The present invention is directed to a process for the production of agglomerates of a sterically hindered phenol antioxidant such that the agglomerates have a balanced hardness so as to resist abrasion during conveyance yet being readil...
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WO/2000/031069A1 |
A compound of formula (I) wherein n is e.g. a number from 2 to 50; R¿5?' and R¿5?'' are e.g. a group of formula (II); G¿1?, G¿2?, G¿3? and G¿4? are e.g. C¿1?-C¿4?alkyl; R¿1? is e.g. hydrogen or C¿1?-C¿4?alkyl; R¿2? is e.g. me...
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WO/2000/028839A1 |
An oxygen scavenging packet containing an iron-based oxygen scavenger and an electrolyte is set forth in which the rate of uptake of oxygen is increased by virtue of the introduction into the packet of an oxygen uptake accelerator contai...
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WO/2000/027780A1 |
Methods and compositions for inhibiting the polymerization of ethylenically unsaturated hydrocarbons are disclosed. Combinations of aminophenol compound and either of phenylenediamine or hydroxylamine compounds are effective at inhibitin...
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WO/2000/027337A2 |
The invention concerns a method for improving the stability of at least a 1,3,5-triazine derivative to UV radiation in the absence of any dibenzoylmethane derivative. The invention is characterised in that it consists in associating with...
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WO/2000/025612A1 |
A composition for inclusion within a quantity of smokeless tobacco. The composition of antioxidants is capable of reducing free radical damage to the oro-pharyngeal cavity of a user resulting from consumption of smokeless tobacco. The co...
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WO/2000/025731A1 |
A description is given of the use of phenolic antioxidants of formulae (1) and/or (2) and/or (3) for stabilising body-care and household products.
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WO/2000/025730A1 |
A description is given of the use of light stabilizers of formulae (1) and/or (2) for protecting body-care and household products from photolytic degradation.
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WO/2000/024963A1 |
Pulps or papers, especially chemimechanical or thermomechanical pulps or papers, which still contain lignin, have enhanced resistance to yellowing when they contain an effective stabilizing amount of a N,N-dialkylhydroxylamine, an ester,...
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WO/2000/024948A1 |
A composition for treating metal surfaces that contains, at a weight ratio from 1:5,000 to 5,000:1, at least one metal acetylacetonate selected from the group consisting of Al(C¿5?H¿7?O¿2?)¿3?, V(C¿5?H¿7?O¿2?)¿3?, VO(C¿5?H¿7?OÂ...
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WO/2000/023434A1 |
The present invention relates to a composition comprising cyclic ketone peroxide and a phlegmatizer having a 95% boil-off point falling in the range of 220-265°C, most preferably 235-250°C. A preferred peroxide is cyclic methyl ethyl k...
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WO/2000/023552A1 |
A composition and method is disclosed for inhibiting the corrosion of metals in contact with an aqueous system capable of corroding the metal. The inventive composition contains a substantially water-soluble polymer of an acidic amino ac...
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WO/2000/017267A1 |
The present invention is directed to a process for the production of pellets of a sterically hindered phenol antioxidant such that the pellets have a balanced hardness so as to resist abrasion during conveyance yet being readily disperse...
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WO/2000/014177A1 |
It has been discovered that the polymerization of vinyl aromatic compounds, such as styrene, may be inhibited by the addition of a composition that contains a hindered hydroxylamine, and, optionally, a synergist together with the hindere...
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WO/2000/014039A1 |
It has been discovered that the polymerization of vinyl aromatic compounds, such as styrene, may be inhibited by the addition of a composition that contains a dihydroxyarene or an alkyl-dihydroxyarene, a hydrogen transfer agent, and a st...
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WO/2000/014175A1 |
A composition comprising: an effective amount sufficient to inhibit polymerisation of an ethylenically unsaturated monomer or mixture of monomers polymerisable by free radical polymerisation of at least one compound which is capable of a...
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WO/2000/011972A1 |
The present invention relates to a method of using oxygen scavenging material to a decrease oxidation and maintain product properties in packaged beverages, foods, oxygen sensitive materials or oxygen sensitive components comprising the ...
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WO/2000/012518A1 |
A novel process is described for preparing phosphonites or phosphinites by reacting a product of a Friedel-Crafts reaction with alcohols or phenols and separating off the byproducts formed. The novelty is the aftertreatment with a protic...
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WO/2000/012635A1 |
The invention relates to photopolymerizable acrylic lacquer compositions which are characterized in that they contain an antioxidant from the classes of sterically hindered phenols.
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WO/2000/007464A2 |
The invention relates to a method for producing an antioxidatively active extract which can especially be used for stabilizing foodstuffs and cosmetic agents. According to the method, non-enzymatically browned grain germs (e.g. wheat ger...
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WO/2000/002974A1 |
The invention relates to antifreeze concentrates which are characterized in that they a) comprise at least one alcohol which can be mixed with water and which lowers the freezing point; b) at least one corrosion inhibitor; and c) at leas...
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