Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7713444 | Mixtures of sterically hindered amines for the stabilisation of polymers This invention relates to mixtures of new polypiperidine compounds of general formula (I) with other known polypiperidine compounds which impart to polymer materials of different kinds, in particular polyolefins, high stability towards oxidative action and photodegr... | 05/11/2010 |
| 7427316 | Tropolone complexes as wood preservatives Complexes of tropolone and copper and/or zinc were solubilized in ammoniacal solution providing preservative solutions that fully penetrate wood. With loss of the ammonia from the wood, the complexes were stably retained in the wood providing a long lasting preserva... | 09/23/2008 |
| 7407623 | Steam condensate corrosion inhibitor compositions and methods Lecithin and 2-bromo-2-nitropropane-1,3 diol (BNPD) are used to inhibit corrosion in boiler steam condensate systems. Aqueous steam condensate corrosion inhibiting compositions of these components are also disclosed. BNPD is also used as a preservative in lecithin c... | 08/05/2008 |
| 7344588 | Anti-skinning agents having a mixture of organic compounds and coating compositions containing them The invention relates to a process for preventing skinning of a coating composition comprising adding an anti-skinning agents containing mixtures of organic compounds (combinations of additives), whereby the organic compounds are selected from the groups of organic ... | 03/18/2008 |
| 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 |
| 7247658 | Reduction of discoloration in white polyurethane foams Surprisingly effective additive formulations for the reduction of highly undesirable yellowing or other discoloration of white, uncolored, polyurethane foam articles are provided. White polyurethane foam exhibits a susceptibility to yellowing and discoloration to a ... | 07/24/2007 |
| 7241391 | Biodegradable scale and corrosion inhibitor composition A biodegradable scale and corrosion inhibiting composition includes between about 50 and about 90% by weight of a protein polymer that is derived from a natural source, and between about 10 and about 20% by weight of the alkali salts of gluconic acid. ... | 07/10/2007 |
| 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 |
| 7176168 | Lubricant containing a synergistic combination of rust inhibitors, antiwear agents, and a phenothiazine antioxidant The present invention describes an improved lubricant composition comprising a particularly effective combination of components comprising ashless antiwear and rust inhibitor additives with an antioxidant liquid mixture formed by reacting an olefin with a mixture of... | 02/13/2007 |
| 7153973 | Imidazolidinone derivatives A compound of the formula (IA) or (IB) wherein G1, G2, G3 and G4 are independently of one another C1–C18alkyl... | 12/26/2006 |
| 7125475 | Nitrosophenols and C-nitrosoanilines as polymerization inhibitors Inhibitor blends that include both nitrosophenols and nitrosoanilines, optionally in combination with air or oxygen, reduce the premature polymerization of ethylenically unsaturated monomers. unsaturated monomers. ... | 10/24/2006 |
| 7105555 | Stable, neutral pH VOC-free biocidal compositions of 1,2-benzisothiazolin-3-one What is described herein is a neutral pH, VOC-free biocidal composition of 1,2-benzisothiazolin-3-one which is stable at low temperatures for an extended period of time. The compositions are particularly advantageous in use in protecting latex, paint, coating, cosme... | 09/12/2006 |
| 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 |
| 7090958 | Positive photoresist compositions having enhanced processing time Novel compositions comprising photoactive polymers comprising a dinitrobenzyl group in conjunction with a photoacid generator are disclosed. In one embodiment, the photoacid generator is a diazide and/or a sulfonyl aceto carbonyl compound. The photoacid generators a... | 08/15/2006 |
| 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 |
| 7018570 | Ultraviolet absorber composition and resin composition stabilized therewith The present invention is directed to an ultraviolet absorber composition which is formed by melt-mixing a compound (A) represented by formula (I): and a resin stabilizer (B) selected from the group consisting of a pheno... | 03/28/2006 |
| 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 |
| 6982062 | Corrosion inhibiting composition This invention relates to a corrosion inhibiting composition comprising (a) an aliphatic amine, (b) an azole selected from the group consisting of (1) tolyltriazole, (2) benzotriazole, and (3) mixtures thereof, and (c) a benzoate. The compositions are particularly u... | 01/03/2006 |
| 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 |
| 6899806 | 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: A) at least one first inhibitor selected from the group consisting of C-nitrosoaniline co... | 05/31/2005 |
| 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 |
| 6894176 | Reaction product mixtures including both symmetric compounds and asymmetric dipolar multi-substituted alditol derivatives Certain multi-substituted dibenzylidene sorbitol acetals having electron withdrawing groups as constituents and electron donating groups on the other such that the compounds are asymmetric in structure and are dipolar in nature are provided. Polymer compositions com... | 05/17/2005 |
| 6887400 | Water-soluble polyaminoamides comprising 1,3-diimines as sunscreen agents A UV-protective composition comprising a water-soluble polyaminoamide containing 1,3-diimine groups, wherein the polyaminoamide containing 1,3-diimine groups absorbs ultraviolet light radiation having a wavelength of about 200 nm to about 420 nm, and methods of trea... | 05/03/2005 |
| 6875870 | Long chain hindered amines and compositions stabilized therewith Hindered amine compounds which are substituted by a long hydrocarbon chain are useful in a number of applications where the solubility or compatibility afforded by said substitution is needed. This is seen particularly for example with white, dyed, dipped, unscented... | 04/05/2005 |
| 6869992 | Stabilizer mixtures for polyolefins A stabilizer mixture containing (A) a sterically hindered amine compound, and (B) a polymer containing polar residues, the weight ratio of components (A) (B) being 20:1 to 1:20, with the provisos that, (1) component (B) is different from component (A) and does not c... | 03/22/2005 |
| 6843939 | UV stabilizing additive composition This invention relates to an UV stabilizing additive composition comprising an ortho-hydroxy triazine compound, a hindered hydroxybenzoate compound and optionally a hindered amine compound. This additive composition may be used to stabilize materials from UV radiati... | 01/18/2005 |
| 6844382 | Gels comprising asymmetric dipolar multi-substituted alditol derivatives Certain multi-substituted dibenzylidene sorbitol acetals having electron withdrawing groups as constituents and electron donating groups on the other such that the compounds are asymmetric in structure and are dipolar in nature are provided. Polymer compositions com... | 01/18/2005 |
| 6841061 | Antigelling agent for hydrocarbon mixture containing conjugated diene and method of preventing clogging of apparatus for separating and purifying the mixture An Anti-gelling agent for a hydrocarbon mixture containing a conjugated diene, which comprises (a) at least one compound selected from the group consisting of compounds having an NO radical in the molecule, and precursor compounds capable of forming an NO radical, (... | 01/11/2005 |
| 6835216 | Chain-breaking antioxidants Compounds, preferably 5-pyrimidinol and 3-pyridinol derivatives, that act as effective chain breaking antioxidants of both the lipid and water-soluble variety (analogous to the natural Vitamins E and C), many of which are more reactive toward peroxyl radicals than t... | 12/28/2004 |
| 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 |
| 6755875 | Long chain hindered amines and compositions stabilized therewith Hindered amine compounds which are substituted by a long hydrocarbon chain are useful in a number of applications where the solubility or compatibility afforded by said substitution is needed. This is seen particularly for example with white, dyed, dipped, unscented... | 06/29/2004 |
| 6730157 | Anti-skinning agents having a mixture of organic compounds and coating compositions containing them The invention relates to anti-skinning agents containing mixtures of organic compounds (combinations of additives), whereby the organic compounds are selected from the groups of organic hydroxylamines, and β-dicarbonyl compounds and/or selected derivatives of formi... | 05/04/2004 |
| 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 |
| 6596461 | Piperazinone derivatives A compound of formula (I) wherein n is e.g. a number from 2 to 50; R5 ' and R5 " are e.g. a group of formula (II); G1, G2, G3 and G4 are e.g. C1 -C4 akyl; R1 is ... | 07/22/2003 |
| 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 |
| 6593278 | Method for inhibiting corrosion using certain phosphorus and sulfur-free compounds The present invention relates to a method for inhibiting corrosion of corrosion-prone metal surfaces by organic acid-containing petroleum streams by providing an effective corrosion-inhibiting amount of certain sulfur and phosphorus-free aromatic compound... | 07/15/2003 |
| 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 |
| 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 |
