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| Number | Title | Issue Date |
| 8057707 | Compositions to mitigate coke formation in steam cracking of hydrocarbons The invention relates to a combination of compounds and a process using such combination useful for reducing or preventing coke formation in thermal cracking furnaces such as ethylene steam crackers. The combination is comprised of one or more compound of the formul... | 11/15/2011 |
| 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 |
| 7087193 | Stabilizer composition for use in polyvinyl chloride formulations having a mixture of at least one organotin sulfide, at least one oranotin chloride, and at least one free mercaptan A stabilizer composition, for use in polyvinyl chloride formulations, that is a mixture of: at least one organotin sulfide; at least one organotin chloride; and at least one free mercaptan. ... | 08/08/2006 |
| 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 |
| 6919392 | Stabilization of vinyl halide polymers The heat and light stability imparted to vinyl halide polymers by metal compounds conventionally employed for this purpose is considerably improved by the presence of a mercapto ester such as 2-mercaptoethyl stearate. The esters can replace a substantial portion of ... | 07/19/2005 |
| 6897254 | Stabilized halogen-containing polymer composition Halogen-containing polymer compositions containing a heat stabilizer comprising a latent mercaptan, a zinc salt, and a free mercaptan as a separate entity are protected during processing by the degradation products of the latent (i.e., blocked) mercaptan. A free mer... | 05/24/2005 |
| 6878310 | Carboxylate-containing alkyltin heat stabilizer A stabilizer composition, suitable for use in polyvinyl chloride compositions, can be formed by reacting a mixture of monoalkyltin trichloride, such as butyltin trichloride, and dialkyltin dichloride, such as dibutyltin dichloride, with at least one carboxylic acid,... | 04/12/2005 |
| 6770219 | Composition and method for preventing fouling in (meth)acrylic acid processes An antifoulant composition comprising (meth)acrylic acid and one or more (meth)acrylate or (meth)acrylamide antifoulant polymers and a method of preventing fouling in (meth)acrylic acid processes comprising adding the (meth)acrylate or (meth)acrylamide antifoulant p... | 08/03/2004 |
| 6761833 | Stabilization of monomers by compositions based on alkylhydroxylamines Vinyl monomers are stabilized by a composition which includes an alkyl hydroxyl amine and a sulfide compound or at least two alkyl hydroxyl amines and a phenolic compound. ... | 07/13/2004 |
| 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 |
| 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 |
| 6583091 | Method for inhibiting corrosion using 4-sulfophthalic acid The present invention relates to a method for inhibiting high temperature corrosion of corrosion prone metal surfaces by organic acid-containing petroleum streams by providing an effective corrosion-inhibiting amount of 4-sulfophthalic acid, typically up ... | 06/24/2003 |
| 6555023 | Enhanced oxidation resistant polymeric insulation composition for air-cooled generators A high voltage capable, insulating and resinous composition is disclosed. An epoxy-anhydride resin is prereacted with an antioxidant oligomer selected from the group consisting of organophosphorus compounds, sterically-hindered alkylated phenolics, alkyl ... | 04/29/2003 |
| 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 |
| 6537467 | Immobilized free radical captors The present invention relates to free radical captors, especially to radical polymerization inhibitors or retarders which, characteristically, are immobilized on a solid support. The present invention also relates to a method of preparing said immobilized... | 03/25/2003 |
| 6506263 | Sealant composition An aqueous composition for sealing anodically oxidized aluminum surfaces is described. The composition contains at least one surfactant, a magnesium salt, and a cobalt(II) salt. This composition demonstrates enhanced sealant properties. A method for seali... | 01/14/2003 |
| 6448208 | Liquid polyfunctional additives A description is given of products obtainable by reacting components a), b), c) and, if desired, d), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of... | 09/10/2002 |
| 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 |
| 6365707 | Polymerizable composition and process for producing optical resin comprising the same A polymerizable composition according to the present invention is characterized by that it comprises a compound (a) having at least one structure represented by the following formula (1): ##STR1## wherein R1 is a divalent hydrocarbon group havi... | 04/02/2002 |
| 6344537 | Vulcanizing agent for rubber and rubber composition containing the same To provide a rubber vulcanizing agent able to prevent a reduction in the various physical properties of a vulcanized rubber after aging and possible to suppress scorching due to premature vulcanization or reversion and a rubber composition containing the ... | 02/05/2002 |
| 6312774 | Wood preservation utilizing polymeric phenol sulfide An article comprising wood can be preserved by applying to the wood an effective amount for the preservation of the wood of a polymeric phenol sulfide having a tri- or higher sulfide bridge therein, which can be a polymeric alkyl phenol sulfide, such as o... | 11/06/2001 |
| 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 |
| 6232380 | Latent mercaptan stabilizers for improved weatherability of clear halogen-containing polymer compositions Stabilizer compositions useful for protecting clear polyvinyl chloride and other clear halogen-containing polymer compositions used in the manufacture of exterior weatherable products against discoloration and degradation caused by exposure to ultraviolet... | 05/15/2001 |
| 6204311 | Polymerizable composition An optical resin prepared by curing a polymerizable composition comprising a (thio)epoxy compound having at least one intramolecular disulfide bond exhibits a considerably high refractive index while maintaining good optical properties and a high Abbe num... | 03/20/2001 |
| 6096695 | Sulfurized phenolic antioxidant composition, method of preparing same, and petroleum products containing same The present invention relates generally to substantially liquid, chlorine-free, sulfur-bridged phenols useful as antioxidants and more specifically to the preparation of a substantially liquid, chlorine-free, sulfur-bridged, hindered phenol compositions w... | 08/01/2000 |
| 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 |
| 6046263 | Liquid antioxidants as stabilizers Products are described which are obtainable by reacting compounds of formula I with compounds of formula IIa or/and IIb and IIIa or/and IIIb and additionally, where appropriate, IV ##STR1## wherein the general symbols are as defined in claim 1, the c... | 04/04/2000 |
| 6001786 | Sulfurized phenolic antioxidant composition method of preparing same and petroleum products containing same The present invention relates generally to substantially liquid, chlorine-free, sulfur-bridged phenols useful as antioxidants and more specifically to the preparation of a substantially liquid, chlorine-free, sulfur-bridged, hindered phenol compositions, ... | 12/14/1999 |
| 5976397 | Photofading inhibitor derivatives and their use in fabric treatment compositions A photofading inhibitor compound comprising a singlet oxygen quenching moiety having a quenching rate of 1×106 L mol-1 S-1 or faster and a cationic moiety.... | 11/02/1999 |
| 5925424 | Wood preservation utilizing polymeric phenol sulfide An article comprising wood can be preserved by applying to the wood an effective amount for the preservation of the wood of a preservative composition consisting essentially of a polymeric phenol sulfide having a tetra- or higher sulfide bridge therein al... | 07/20/1999 |
| 5919400 | Stabilized isothiazolone solution This invention relates to a stabilized isothiazolone solution and more particularly, to a stabilized isothiazolone solution comprising isothiazolone expressed by the following formula (I), stabilizer expressed by the following formula (II), and organic so... | 07/06/1999 |
| 5914418 | Polymerization inhibitor for acrylic-functional silanes A method for inhibiting polymerization of acrylic-functional silanes comprising forming a mixture comprising an acrylic-functional silane and a polymerization inhibitor described by formula ##STR1## where n is 0 or 1; M is an atom selected from a gro... | 06/22/1999 |
| 5883154 | Discoloration prevention in pyrithione-containing coating compositions Disclosed is a process for inhibiting the formation of discoloration in an aqueous composition selected from the group consisting of water-based paint, adhesive, caulk and sealant compositions, and combinations thereof, wherein said discoloration is cause... | 03/16/1999 |
| 5846656 | Stabilization systems for polymeric material in pellet form A stabilizing system for stabilizing polymeric materials against ultraviolet light and thermooxidative deterioration is provided in which the stabilizing system is in pellet form. The pellet is formed from a substantially dry homogeneous mixture of at lea... | 12/08/1998 |
| 5807505 | Benzofuran-2-ones as stabilizers The invention relates to compounds of formula I ##STR1## wherein the general symbols are as defined in claim 1, as stabilizers for protecting organic materials against thermal, oxidative or light-induced degradation.... | 09/15/1998 |
| 5710198 | Cyclic diphenylacetonitriles as stabilizers Compounds of the formula I ##STR1## in which the general symbols are as defined in claim 1, as stabilizers for organic materials against thermal, oxidative or light-induced degradation are described.... | 01/20/1998 |
| 5686025 | Stabilizer and blowing agent useful for rigid foamed PVC Improved activation of the blowing agent used to form blown PVC products, as well as thermal stabilization, are provided by a combination of an ester of the formula (R1)1-2 Sn(--S--Ra --OC(.dbd.O)R2)2-3 wh... | 11/11/1997 |
| 5672730 | Thiopropionate synergists The present invention relates to a compound of the formula ##STR1## wherein n is an integer from 1 to 4, R is selected from the group consisting of hydrogen and methyl; wherein when n is 1, R1 is selected from the group consisting of alkyl... | 09/30/1997 |
| 5663128 | Liquid antioxidants as stabilizers Products are described which can be obtained by reacting components a), b), c) and d), where component a) is a compound of the formula I or a mixture of compounds of the formula I, component b) is a compound of the formula II or a mixture of compounds of ... | 09/02/1997 |
