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| Number | Title | Issue Date |
| 8178005 | Liquid phosphite compositions having different alkyl groups A composition comprising at least two different alkylaryl phosphites, wherein some alkyl groups have a different number of carbon atoms than other alkyl groups and wherein the composition is a liquid at ambient conditions. ... | 05/15/2012 |
| 7883642 | Antioxidant composition excellent in anti-blocking property An antioxidant composition containing an antioxidant represented by the following formula (I) and a metal salt of fatty acid of a carbon number of 4 to 18, wherein a weight ratio of the antioxidant (I) and the metal salt of fatty acid is in a range of (100:0.1) to (... | 02/08/2011 |
| 7425290 | Granular polymer additives and their preparation A compacted particulate polymer additive composition in a dry granular form formed from a substantially uniform mixture of the following components: (a) at least one particulate sterically-hindered phenolic compound; and (b) one or more par... | 09/16/2008 |
| 7368493 | Carbodiimide composition with suppressed yellowing, a stabilizer against hydrolysis and a thermoplastic resin composition A carbodiimide composition having an improved heat resistance which meets conventional requirements for a carbodiimide compound to be compounded in an ester-group-containing resin or a biodegradable plastic, and exhibiting no coloring problems due to yellowing, and ... | 05/06/2008 |
| 7365113 | Phosphate ester flame retardants from resorcinol-ketone reaction products Flavan-based and spirodichroman compound-based phosphate esters prepared by reacting flavans and spirodichroman compounds with phosphorus oxychloride, monophenyl dichlorophosphate, or diphenyl chlorophosphate compounds are described. The flavans and spirodichroman c... | 04/29/2008 |
| 7323119 | Color stabilization of hydroquinone hydroxyethyl ether products The present invention relates to the color stabilization of hydroquinone hydroxyethyl ethers by phosphite compounds containing the bis-cyclic structure of spiro phosphites, both rings being attached to the same tertiary carbon atom in the phosphite molecule. ... | 01/29/2008 |
| 7320764 | Phosphite ester additive compositions The invention relates to liquid polymer additive compositions comprising blends of phosphite esters selected from the group consisting of aryl phosphites, alkyl phosphites, aryl/alkyl phosphites, bisphenol-A phosphites, dialkylene glycol phosphites and polydialkylen... | 01/22/2008 |
| 7297746 | Color stability of isocyanates A hardener composition for use as a component of a two component polyurethane coating composition, comprising a polyisocyanate, a catalyst for promoting reaction of the polyisocyanate with a reactive hydrogen compound, and one or more antioxidants selected from: a f... | 11/20/2007 |
| 7255813 | NADH/NADPH-containing compound The invention relates to a compound containing at least one health promoting isolated antioxidant A having a redox potential of less than 180 mV and at least one stabilising antioxidant B which has a standard redox potential which is less than the standard redox pot... | 08/14/2007 |
| 7199181 | Stabilising composition II A stabilizer composition is described and comprises a 2-cyano-3,3-diarylacrylate, a sterically hindered monomeric amine, a sterically hindered phenol and, where appropriate, a chromane derivative and/or an organic phosphite and/or phosphonite. The stabilizer composi... | 04/03/2007 |
| 7196135 | Stabilizing composition I A stabilizer composition is described and comprises a 3-arylacrylate, a polymeric compound with molecular weight at least 2000, bearing, on a polymeric framework, side groups having amine functions, where all of the substituents in the α-position to the amine nitro... | 03/27/2007 |
| 7176252 | Solid melt blended phosphite composites A solid phosphite composite, having at least a portion in amorphous form, which includes at least one, preferably two or more phosphite antioxidants or alternatively at least one phosphite and at least one other polymer additive. The phosphites, at least one of whic... | 02/13/2007 |
| 7122588 | Golf ball The object of the present invention is to provide a golf ball having a paint film which is excellent in the adhesion, the durability and the coloring-resistance. The golf ball of the present invention comprises a paint film formed on the surface of a golf ball body,... | 10/17/2006 |
| 7105590 | Phenolfree stabilization of polyolefins The instant invention relates to stabilizer compositions for thermoplastic polymers comprising a) at least one organophosphine, b) at least one 2-phenylbenzofuranone, and c) at least one sterically hindered piperidine based stabilizer (HAS), wherein the weight ratio... | 09/12/2006 |
| 7083743 | Mixture of phosphanes and chromane derivatives The invention relates to a synergistic mixture comprising a) at least one compound from the group which consists of the phosphanes of the formula (I), (di/oligo)phosphanes of the formulae (II) and (III) and cyclophosphanes of the formula (IV) ... | 08/01/2006 |
| 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 |
| 7029759 | Halogen-containing vinyl polymer compositions The invention provides a film that includes chloride-containing vinyl polymer and a stabilizer component, wherein the film has a 96-hour Volatile Organic Compound Emission Factor of no more than 1,000 μg/m2/hour. The invention also provides a film that i... | 04/18/2006 |
| 6994804 | Color stabilization of hydroquinone hydroxyethyl ether products The present invention relates to the color stabilization of hydroquinone hydroxyethyl ethers by phosphite compounds containing the bis-cyclic structure of spiro phosphites, both rings being attached to the same tertiary carbon atom in the phosphite molecule. ... | 02/07/2006 |
| 6995200 | Color improving stabilizing compositions comprising leucine The present invention relates to a stabilizer composition comprising a) at least one sterically hindered phenol, b) at least one phosphorus-containing secondary antioxidant, and c) at least one Leu... | 02/07/2006 |
| 6964746 | Mixture of a phosphonite with other components The invention relates to mixtures of phosphonite (component A) and/or an ester and/or salt of a long-chain fatty acid (component B), and/or a carboxylic ester, and/or carboxylic amide (component C), and also to their use in polyamides or in polyesters. ... | 11/15/2005 |
| 6930137 | Method of improving blown film processing performance and physical properties An improved method of manufacturing blown polyolefin films with increased bubble stability and higher blown film production rates is disclosed. A method in which the amounts and ratios of known antioxidant polymer film additives (phosphites and phenolics) are contro... | 08/16/2005 |
| 6921784 | Polycarbonate-based molding material and optical disk substrates A polycarbonate resin molding material containing (A) 100 parts by weight of a polycarbonate resin and 0.001 to 1.0 part by weight of a mold release agent (B) which is composed of a fatty acid ester and a phosphorus-containing heat stabilizer and contains 0.0001 to ... | 07/26/2005 |
| 6824711 | Phosphite ester additive composition The invention relates to a liquid polymer additive composition comprising at least one phosphite ester selected from the group consisting of aryl phosphites, alkyl phosphites, aryl/alkyl phosphites, bisphenol-A phosphites, dialkylene glycol phosphites and polydialky... | 11/30/2004 |
| 6821456 | Granular polymer additives and their preparation A compacted particulate polymer additive composition in a dry granular form formed from a substantially uniform mixture of the following components: (a) at least one particulate sterically-hindered phenolic compound, and (b) one or more par... | 11/23/2004 |
| 6800228 | Sterically hindered phenol antioxidant granules having balanced hardness Sterically hindered phenol antioxidant additive granules are formed from a paste comprising an organic processing agent comprising a friability reduction agent. The friability reduction agent preferably is an alcohol, more preferably an alkanol having up to about 8 ... | 10/05/2004 |
| 6790899 | Method for making fire-retarded polycarbonate and related compositions A combination of a potassium salt of a perfluoroalkane sulfonate and a sodium salt of toluene sulfonic acid, preferably in the presence of an antidrip agent to provide high melt strength, act synergistically to provide flame-retarded polycarbonate compositions at lo... | 09/14/2004 |
| 6770693 | Blends of phosphites and antioxidants This invention discloses blends of phosphites comprising bis-(2,4-dicumylphenyl) pentaerythritol diphosphite and hindered phenol antioxidants useful as stabilizers against thermooxidative degradation of polymers during melt processing. Polymer compositions comprisin... | 08/03/2004 |
| 6759461 | Phenolic phosphite antioxidants and polymer compositions containing said antioxidant A novel antioxidant has the advantages of both the hindered phenols and the phosphite antioxidant is prepared from phosphorus trichloride and 2,5-di-tert-butylhydroquinone, such as tetrakis-(2,5-di-tert-butyl-4-hydroxyphenyl)-2,5-di-tert-butyl-hydroquinonediyl dipho... | 07/06/2004 |
| 6740694 | Preparation of low-dust stabilisers A description is given of an extrusion process for the preparation of a low-dust stabiliser, using a subcooled melt as granulation liquid, as well as of novel amorphous modifications of different stabilisers, including 2,2′-methylenebis(4-[1,1,3,3-tetramethylbutyl... | 05/25/2004 |
| 6733693 | Acrylonitrile solutions of maleimides, method for preparation thereof, and acrylonitrile based copolymers obtained by use of the solutions An acrylonitrile solution of maleimide manifesting transparency, precluding coloration and opacification during the course of handling, and excelling in stability, a method for the preparation of the acrylonitrile solution, and an acrylonitrile based copolymer obtai... | 05/11/2004 |
| 6706669 | Method for inhibiting corrosion using phosphorous acid The present invention relates to a method for inhibiting high temperature of corrosion-prone metal surfaces by organic acid-containing petroleum streams by providing an effective corrosion-inhibiting amount of phosphorous acid, typically up to 1000 wppm, to the meta... | 03/16/2004 |
| 6596198 | Additive system for polymers in pellet form which provides proportioned stabilization and internal mold release characteristics A pelleted stabilizer additive system and a method of making same with a good pellet yield, preferably at least about 90 wt. %. The stabilizer additive system comprises at least a stabilizer and a processing aid, preferably a mold release agent. The proce... | 07/22/2003 |
| 6515052 | Granular polymer additives and their preparation A compacted particulate polymer additive composition in a dry granular form formed from the following components: (a) at least one particulate organic phosphite, organic phosphonite, and/or organic phosphonate, and (b) one or more particulate polymer additives... | 02/04/2003 |
| 6509399 | Non-yellowing part-tertiary-alkyl phenyl substituted triazine and pyrimidine ultraviolet light absorbers This invention relates generally to para-tertiary alkyl phenyl substituted pyrimidines and triazines and the use thereof to protect against degradation by environmental forces, inclusive of ultraviolet light, actinic radiation, oxidation, moisture, atmosp... | 01/21/2003 |
| 6451888 | Solid stabilizer composition with improved hydrolytic stability A phosphite stabilizer composition is provided which exhibits enhanced hydrolytic stability. The stabilizer composition preferably contains from 10 to 90 percent by weight of a phosphorous compound selected from phosphites and phosphonites, and preferably... | 09/17/2002 |
| 6420461 | Compounds based on polyalkyl-1-oxadiazaspirodecane compounds The present invention relates to novel compounds of the formula (III) ##STR1## in which the substituents are as defined in the description, to a process for their preparation and to mixtures with other compounds. The compounds of the formula (III) are sui... | 07/16/2002 |
| 6391384 | Method for providing a corrosion inhibiting solution The invention is directed to a method for providing a corrosion inhibiting aqueous solution which includes zinc orthophosphate where the zinc orthophosphate is solubilized. The invention is directed to a method of making a substantially contaminant-free, ... | 05/21/2002 |
| 6348164 | Process for improving shelf stability of liquid overbased calcium carboxylates, mixed metal stabilizers containing same, and stabilizing halogen-containing polymers therewith Shelf stable liquid overbased calcium carboxylates are prepared by reacting a calcium base with a monocarboxylic acid, and carbonating in the presence of a promoter mixture with a phenol and an alcohol under controlled temperature conditions, to produce s... | 02/19/2002 |
| 6126863 | Low dust balanced hardness antioxidant agglomerates and process for the production of same 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 readily dispersed in a h... | 10/03/2000 |
| 6103796 | Processing stabilizer composition A homogeneous blended additive useful as a processing stabilizer for polymers which is a blend of Component (a), a defined phosphite or phosphonite; and Component (b) which is micronized zinc oxide. Component (b) is preferably in an amount of 5 to 10% bas... | 08/15/2000 |
