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| Number | Title | Issue Date |
| 7824575 | Liquid antioxidant mixtures The present invention provides for liquid antioxidant mixtures of octylated/butylated diphenylamine, phenothiazine and octadecyl (3,5-di-tert-butyl-4-hydroxyphenyl)-propionate. The antioxidant mixtures are useful for polyurethane stabilization. ... | 11/02/2010 |
| 7368489 | Additive for inhibiting photolytic degradation reactions in aminoplasts The invention relates to a UV additive for aminoplast resins, to a method for producing a UV additive as well as to uses thereof. Said UV additive contains soluble sterically-hindered nitroxyl compounds in an aqueous aminoplast precondensate. A UV additive for amino... | 05/06/2008 |
| 7294210 | Use of substituted hydroxylamines in metal phosphating processes Alkyl-substituted hydroxylamines are useful as aids in the phosphating of metal substrates. In particular, the rate of phosphating and the rate at which manganese compounds are dissolved into aqueous phosphoric acid solutions may be accelerated by alkyl-substituted ... | 11/13/2007 |
| 7256231 | Silica-reinforced rubber compounded with blocked mercaptosilanes and alkyl alkoxysilanes The invention provides a sulfur vulcanizable silica-reinforced elastomeric compound having improved tensile mechanical and dynamic viscoelastic properties. The compounds are formed by mixing an elastomer optionally having an alkoxysilane terminal group, with silica ... | 08/14/2007 |
| 7141174 | Modified amine for boiler water treatment The present invention provides a method of treating boiler and condensate water by the addition of an effective amount of a hydroxyamine-acid ester treatment reagent or an all-in-one treatment composition comprising a hydroxyamine-acid ester. Modification of a hydro... | 11/28/2006 |
| 7118688 | Antioxidant compositions and methods of use thereof An antioxidant composition having enhanced oxidative stability, emulsion stability, and health benefits. The composition may include individual ingredients or a synergistic blend of non-reducing sugars, sugar polyols, medium-chain triglycerides, polysaccharides, pol... | 10/10/2006 |
| 7109261 | Latent mercaptans as multi-functional additives for halogen-containing polymer compositions Halogen-containing polymer compositions comprising a latent mercaptan-containing heat stabilizer composition substantially free from the offensive odor typically associated with mercaptans are protected during processing by the degradation products of the latent (i.... | 09/19/2006 |
| 7105109 | Latent mercaptans as stabilizers for halogen-containing polymer compositions Compositions useful as heat stabilizers comprising at least one latent mercaptan-containing compound and at least one zinc compound are provided. Halogen-containing polymer compositions comprising such heat stabilizers are also provided. ... | 09/12/2006 |
| 7077981 | Chlorate-containing stabilizer system with nitrogen-containing synergists for stabilizing halogen-containing polymers The invention relates to stabilizer systems, containing at least: a) a perchlorate salt; b) at least one or more compounds from the group consisting of carbamides, indole derivatives and enamines of formula (I), wherein n=1 or 2 and X=O or NR1; n=3–6 an... | 07/18/2006 |
| 7045647 | Blends of quinone alkide and nitroxyl compounds and polymerization inhibitors Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of: A) at least one nitroxyl compound, and B) at least one quinone alkide compound having an electro... | 05/16/2006 |
| 7025904 | Method for improving adhesion of water-based inks to halogen-containing resin articles Flexible and semi-rigid vinyl chloride resin compositions comprising a combination of a latent mercaptan and a zinc salt of oxidized polyethylene (a zinc ionomer) as a heat stabilizer are substantially free from the offensive odor typically associated with mercaptan... | 04/11/2006 |
| 7022220 | C-nitrosoaniline compounds and their blends as polymerization inhibitors Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one inhibitor selected from the group consisting of C-nitrosoaniline and quinone imine o... | 04/04/2006 |
| 6995230 | Stabilizers, in particular for thermoplastic polyurethanes The invention relates to stabilizers containing at least two phenolic groups bonded to one another via a connecting radical (II) which is a polyol with a number-average molecular weight of from 75×F g/mol to 250×F g/mol, preferably from 100×F g/mol to 200×F g/mo... | 02/07/2006 |
| 6960279 | Method for stabilizing vinyl aromatic monomers using selected polymerization inhibitors and polymers prepared therewith Disclosed is the observation that 7-aryl-quinone methides and 4-tert-butylcatechol, when used in combination in a vinyl aromatic monomer to inhibit polymerization,do not inhibit polymerization to the same extend as each would if used separately. Stated another way, ... | 11/01/2005 |
| 6946088 | Thermosetting coating mass The invention relates to a thermosetting coating mass, comprising a carboxyl functional polyester, and/or a carboxyl functional polyacrylate, a β-hydroxyalkylamide, in which a portion of the hydroxyl groups are chemically blocked and/or fillers and/or heat stabilis... | 09/20/2005 |
| 6913712 | Stabilizer mixture Mixtures of compounds comprising a compound G2 and at least one further compound from the group G0, G1, G3, G4, G5, G6, the compounds G0-G6 corresponding to formula (I... | 07/05/2005 |
| 6911492 | Discoloration resistant polypropylene blend The present invention provides a thermoformable polymer blend that resists surface discoloration when exposed to acidic environments, such as exist within a clothes treating apparatus having an interior region into which is introduced a conditioning composition comp... | 06/28/2005 |
| 6906121 | 4-nitrosodiphenylamine derivatives and their use as coupling agents for filled rubber compounds A composition of matter is disclosed that comprises a compound of the formula AnR, wherein: A is R1 is hydrocarbyl; m is 0 or 1; ... | 06/14/2005 |
| 6902663 | C-nitrosoaniline compounds and their blends as polymerization inhibitors Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one inhibitor selected from the group consisting of C-nitrosoaniline and quinone imine o... | 06/07/2005 |
| 6797197 | Modified amine for boiler water treatment The present invention provides a method of treating boiler and condensate water by the addition of an effective amount of a hydroxyamine-acid ester treatment reagent or an all-in-one treatment composition comprising a hydroxyamine-acid ester. Modification of a hydro... | 09/28/2004 |
| 6774170 | Polyolefin articles with long-term elevated temperature stability A heat stabilizing composition for polyolefins comprises an oxidized, non-cationized, non-silylated sulfur black pigment, a hindered phenolic antioxidant a sulfur-containing secondary stabilizer, each in stabilizing amount, and a hindered amine. The heat stabilizing... | 08/10/2004 |
| 6759457 | Unique compositions having utility in rubber applications A composition including 8-hydroxyquinaldine and an N-acyl taurate is useful in compounding elastomer compositions. Compositions are described containing elastomers such as rubbers, metal oxides, plasticizers, fillers, antidioxants and curing agents. Rubber compositi... | 07/06/2004 |
| 6706214 | Composition and process for inhibiting corrosion of metallic substrates A composition and process for inhibiting the corrosion of metallic substrates is revealed. The process utilizes an aqueous treatment solution comprising chitosan which has been reacted with an additive selected from the group consisting of phosphorus-containing comp... | 03/16/2004 |
| 6706215 | Coating compositions stabilized against damage by light, heat and oxygen Coatings comprising A) a binder based on an organic polymer and B) as stabilizer against damage by light, heat and oxygen, a 2-(2′-hydroxyphenyl)-1,3-pyrimidine of the formula I in which the radicals R... | 03/16/2004 |
| 6646037 | Pigments treated with organosulfonic compounds A treatment for pigments is provided. This treatment, which uses certain organosulfonic compounds, imparts improved physical and chemical qualities including lacing resistance, improved dispersion and decreased chemical reactivity when these treated pigme... | 11/11/2003 |
| 6620867 | Crystalline modification of mixtures of a nickel-quencher and a benzophenone and process for its preparation Crystalline modification of mixtures comprising (a) a nickel-quencher corresponding to [2,2'-thio-bis(4-t-octylphenolate)-n-butylamine Nickel (II)] and (b) a 2-hydroxy-4-alkyloxybenzophenone corresponding to 2-hydroxy-4-n-octyloxybenzophenone wherein it h... | 09/16/2003 |
| 6610218 | Latent mercaptans as multi-functional additives for halogen-containing polymer compositions Halogen-containing polymer compositions comprising a latent mercaptan-containing heat stabilizer composition substantially free from the offensive odor typically associated with mercaptans are protected during processing by the degradation products of the... | 08/26/2003 |
| 6592781 | Thiazolidines and use thereof for corrosion inhibition A novel composition of thiazolidines of the following formula and a method to prepare the same are disclosed. The method involves reacting a dihydrothiazole with a mixture comprising formic acid and an aldehyde. These new thiazolidines are useful as corro... | 07/15/2003 |
| 6548016 | Oil soluble hydrogen permeation inhibitor The present invention provides a composition and method for inhibiting hydrogen permeation in metal refinery equipment comprising incorporating into a product stream handled by said equipment a polyamine amide of 3-hydrocarbyl thiopropionic acid in an amo... | 04/15/2003 |
| 6540943 | Method of inhibiting corrosion of metal equipment which is cleaned with an inorganic acid The corrosion of metal equipment which is cleaned with an inorganic acid is inhibited by treating the equipment with a corrosion inhibitor composition containing at least one quaternary ammonium compound, a sulfur-containing compound and a nonionic surfac... | 04/01/2003 |
| 6537466 | Latent mercaptans as multi-functional additives for halogen-containing polymer compositions Halogen-containing polymer compositions comprising a latent mercaptan-containing heat stabilizer composition substantially free from the offensive odor typically associated with mercaptans are protected during processing by the degradation products of the... | 03/25/2003 |
| 6508958 | Composition and process for inhibiting corrosion of metallic substrates A composition and process for inhibiting the corrosion of metallic substrates is revealed. The process utilizes an aqueous treatment solution comprising chitosan which has been reacted with an acid selected from the group consisting of phosphonic acids, c... | 01/21/2003 |
| 6419857 | Thiazolidines and use thereof for corrosion inhibition A novel composition of thiazolidines of the following formula and a method to prepare the same are disclosed. The method involves reacting a dihydrothiazole with a mixture comprising formic acid and an aldehyde. These new thiazolidines are useful as corro... | 07/16/2002 |
| 6403679 | Granular form of a mixture of a nickel-quencher and a benzophenone and process for its preparation Granular form of a mixture comprising: (a) a nickel-quencher corresponding to [2,2'-thio-bis(4-t-octyl-phenolate)-n-butylamine Nickel (II)]; (b) a 2-hydroxy-4-alkyloxybenzophenone corresponding to 2-hydroxy-4-n-octyloxybenzophenone; characterized in that ... | 06/11/2002 |
| 6403850 | Inhibition of polymerization of unsaturated monomers Disclosed herein is a method for inhibiting the premature polymerization of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of: A) at least one stable hindered nitroxyl compound having the structural formula: ... | 06/11/2002 |
| 6270692 | Dispersion powders with increased autoignition temperature Dispersion powders with a reduced tendency to autoignition are obtained by adding antioxidants to dispersions before spray drying or to dispersion powders after spray drying.... | 08/07/2001 |
| 6222080 | Benzoquinoneimines as vinyl aromatic polymerization inhibitors This invention relates to a vinyl aromatic, especially styrene, polymerization inhibitor system comprising an N-phenyl-1,4-benzoquinoneimine compound and optionally an aryl-substituted phenylenediamine.... | 04/24/2001 |
| 6194494 | Stabiliser combinations for chlorine-containing polymers A stabiliser combination, mainly for PVC, is described, comprising A) at least one compound of formula I ##STR1## wherein R*1 and R*2 are each independently of the other C1 -C12 alkyl, C3 -C6 l... | 02/27/2001 |
| 6060545 | Stabilizer mixture for organic materials Organic materials having excellent stability against oxidative, thermal or light-induced degradation comprise as stabilisers (i) at least one compound of formula I ##STR1## wherein the general symbols are as defined in claim 1, and (ii) calcium ... | 05/09/2000 |
| 6056965 | 2-mercapto-imidazole derivatives substituted in position 4 (or 5) as antioxidizing agents, method of preparation and applications in the pharmaceutical, cosmetic or food industries The invention relates to 2-mercaptoimidazole derivatives substituted in the 4(or 5)-position. These 2-mercaptoimidazole derivatives are of the general formula (I) below: ##STR1## wherein: R1, R2, R5, R7 and R | 05/02/2000 |
