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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8138249 | Phosphonate-containing two-component coating system and the production and use thereof The invention relates to two-component coating systems comprising as component (a) one or more polyisocyanates, as component (b) one or more oligomeric and/or polymeric compounds that are reactive with component (a), and as component (c) one or more phosphonates sel... | 03/20/2012 |
| 7960456 | Halogenated phosphonates, processes for their preparation and their use as flame retardants A compound having the formula: Wherein Hal independently indicates a halogen atom; R is selected from the group consisting of a straight or branched, optionally substituted C1-C5 alkyl and halogenated benzyl... | 06/14/2011 |
| 7919548 | Sterically hindered phenolic phosphonates and polycarbonate resin composition using the same Disclosed herein is a sterically hindered phenolic phosphonate resin compound represented by the following Chemical Formula 1. The present invention also provides a polycarbonate resin composition including the sterically hindered phenolic phosphonate resin compound... | 04/05/2011 |
| 7531585 | Polyactic acid resin composition It is an object of the present invention is to provide a polylactic acid resin composition in which a crystal nucleator appropriate for accelerating crystallization of polylactic acid rein is added. A polylactic acid resin composition comprising a polylactic ... | 05/12/2009 |
| 7175930 | Conducting polymer-grafted carbon material for fuel cell applications A composition comprising particulate carbonaceous material and a conducting polymer containing hetero atoms. The composition can further comprise a metal. Devices comprising the composition can be constructed including supported electrocatalysts, membrane electrode ... | 02/13/2007 |
| 6958308 | Deposition of dispersed metal particles onto substrates using supercritical fluids A method for producing dispersed metal particles on a substrate and the compositions produced is disclosed. A method for producing the particles comprises exposing an organometallic and a particulate substrate to supercritical or near supercritical fluid under condi... | 10/25/2005 |
| 6914085 | Expanded polypropylene granule composition Expanded granules or a moulded article made therefrom, based on semicrystalline propylene polymer comprising, per 100 parts by weight, less than 0.035 parts by weight of volatile compounds and processes for its preparation. ... | 07/05/2005 |
| 6900257 | Antistatic agents and polymer compositions derived therefrom An antistatic additive comprises a quaternary onium organosilicon compound having the formula (I) wherein each R1 independently comprises an aliphatic or aromatic functional groups that may be substituted or... | 05/31/2005 |
| 6844387 | Composites of inorganic luminophores stabilized in polymer hosts A two and three dimensional display medium having a novel transparent polymer composite containing particles of crystals doped with Yb3+ and other rare earth ions. The polymer composite creates homogeneously dispersed compositions without cracking or dela... | 01/18/2005 |
| 6767941 | Halogen-free flame-retardant composition A halogen-free, flame-retardant composition includes (1) organic phosphorus compound (A) and (1′) melamine or a compound derived from melamine (B); or (2) a melamine-phosphorus compound (AB). The composition also includes and olefin polymer and from 0.1-30 wt % ba... | 07/27/2004 |
| 6756434 | Soft, flexible composition and method for making same There is provided a composition comprising a unique polymeric compound that provides a soft, flexible product. There is also provided a unique polymeric tampon applicator that is soft and flexible. When used as a tampon applicator barrel, the barrel is more comforta... | 06/29/2004 |
| 6420463 | Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewith Hindered amines substituted on the N-atom with an -O-E-OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of the... | 07/16/2002 |
| 6403681 | Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewith Hindered amines substituted on the N-atom with an --O--E--OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of ... | 06/11/2002 |
| 6391949 | Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewith Hindered amines substituted on the N-atom with an --O--E--OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of ... | 05/21/2002 |
| 6376584 | Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewith Hindered amines substituted on the N-atom with an hydroxy-substituted alkoxy moiety are particularly effective in stabilizing organic polymer compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of th... | 04/23/2002 |
| 6319991 | Propylene polymer blends, processes of producing the same and polypropylene resin compositions A propylene polymer blend is disclosed which comprises (A) a propylene--olefin random copolymer with a propylene content of 90 to 99% by weight and (B) a propylene--olefin random copolymer with a propylene content of 55 to 90% by weight, whe... | 11/20/2001 |
| 6207737 | Glass fiber sizing, sized glass fibers and polyolefin reinforced articles An aqueous sizing composition for glass fibers used to reinforce polyolefin polymers contains coupling agent, chemically modified polyolefin film forming material, and stabilizer. The stabilizer is one or more of the following: i) phosphinates selected fr... | 03/27/2001 |
| 6140398 | Salicylic acid diphosphates for use as flame retardant materials A novel composition of matter comprising the reaction product of a phosphoryl compound, a salicylic acid derivative, and an organic compound containing two groups having hydroxyl functionality is provided. This composition has utility as a fire retardant ... | 10/31/2000 |
| 6136923 | Thermoplastic compositions of interpolymers of ethylene with styrene blended with poly vinyl chloride The present invention relates to blend compositions comprising; (A) of from about 1 to about 99 weight percent based on the combined weights of Components A, B and C of at least one substantially random interpolymer; and wherein said interpolymer; (1) contains... | 10/24/2000 |
| 6136902 | Polyacetal resin compositions comprising boric acid To provide a polyacetal resin composition having an excellent corrosion inhibiting effect on metals, particularly reduced in the adverse effect on magnetic tapes or the like, and suitable for use in producing component parts of a magnetic tape cassette su... | 10/24/2000 |
| 6022914 | Pressure-sensitive adhesive composition and tapes The present invention relates to a pressure-sensitive adhesive composition containing a non-halogen, non-intumescent flame-retardant system comprising at least one flame-retardant agent with the provisos that the flame-retardant system does not comprise S... | 02/08/2000 |
| 5948840 | Syndiotactic vinylaromatic polymers having improved crystallization kinetics Claimed is a polymer composition comprising a syndiotactic vinyl aromatic polymer and from 0.1 to 5.0 weight percent of an alkaline earth metal bis(monoethyl(3,5-di-t-butyl-4-hydroxybenzyl)phosphonate) crystallization modifier.... | 09/07/1999 |
| 5922794 | Compositions stabilized with tertiary amine oxides Thermoplastic resin composition are provided that comprise a thermoplastic resin or mixture thereof, a stabilizing amount of a stabilizer or mixture of stabilizers selected from the group consisting of the phenolic antioxidants, the 3-arylbenzofuranones, ... | 07/13/1999 |
| 5912320 | Polyphenylene sulfide resin composition and resin-encapsulated semiconductor device A polyphenylene sulfide resin composition, which comprises, in addition to a polyphenylene sulfide resin and an inorganic filler, at least one whisker selected from the group consisting of titania whisker and aluminum borate whisker.... | 06/15/1999 |
| 5889099 | Thermoplastic resin composition improved in terms of prevention of mold contamination A thermoplastic resin composition improved in terms of prevention of mold contamination, comprising the following components (A) to (G): component (A): 55 to 75% by weight of a propylene-ethylene block copolymer including a propylene homopolymer moiety having ... | 03/30/1999 |
| 5852086 | Polyamide-acrylonitrile butadiene blends with reduced gel and antigel agent An antigel agent composed of four types of antioxidants that allows polyamides to be blended with acrylonitrile/butadiene polymers with minimum generation of gels and yields a blend which can be extruded or sheeted to give a uniformed shaped product, for ... | 12/22/1998 |
| 5807913 | Acrylic rubber composition An active halogen-containing acrylic rubber composition for molding oil filter-gaskets, which comprises an active halogen-containing acrylic rubber and a metal phosphonate represented by the following general formula: RR'nPO(OH)(OM) wherein R is an alkyl ... | 09/15/1998 |
| 5804674 | Mold release agent, cured film obtained from said mold release agent, and molding method using said mold release agent A mold release agent containing (A) a silane compound, (B) a silicon and/or fluorine-containing compound having at least two hydroxyl groups or alkoxy groups in one molecule and (C) a polymer of a perfluoroalkyl group-containing (meth)acrylate ester gives... | 09/08/1998 |
| 5679288 | Blend of polyphosphate flame retardant and liquid crystalline additive The disclosure teaches a blend of a predominant amount of a polyphosphate flame retardant and an effective amount of a liquid crystalline additive for viscosity reduction and compatibilization when blended with a thermoplastic polymer, as compared to use ... | 10/21/1997 |
| 5650464 | Process for the preparation of stabilized olefin polymers The invention relates to a process for the preparation of olefin polymers by polymerization using a transition metal catalyst with the addition of an aminoalkyl-1,1'-biphenyl-2,2'-diylphosphite or aminoalkyl-2,2'-alkylidene-bis(phenyl)phosphite, in conjun... | 07/22/1997 |
| 5614573 | Flame retardants and flame retardant finishing method for polyester-based synthetic fiber materials Flame retardant compounds including at least one of a group of specified phosphoryl compounds which have a phenylene group in the molecule are applied to fiber materials composed of polyester-based synthetic fibers. Sufficiently long-lasting flame retarda... | 03/25/1997 |
| 5610210 | Aminovinylphosphonic ester stabilizers for organic material Aminovinylphosphonic esters I ##STR1## where R1 is cyano, a radical of the formula --CO--OR6 or a group of the formula ##STR2## R2, R3 and R6 are C1 -C20 -alkyl, C... | 03/11/1997 |
| 5391690 | Process for producing (co)polycarbonate and (co)polycarbonate composition A process for producing a (co)polycarbonate or a (co)polyestercarbonate having a high molecular weight and excellent hue, heat stability and mechanical properties by reacting a dihydroxyl compound with a diester of carbonic acid and/or a diester of dicarb... | 02/21/1995 |
| 5387628 | Process for producing (co)polycarbonate and (co)polycarbonate composition A process for producing a (co)polycarbonate or a (co)polyestercarbonate having a high molecular weight and excellent hue, heat stability and mechanical properties by reacting a dihydroxyl compound with a diester of carbonic acid and/or a diester of dicarb... | 02/07/1995 |
| 5322870 | Additive package for in situ phosphatizing paint, paint and method An additive package can be used in a single-coat, in situ self-phosphatizing paint to provide a phosphate layer that inhibits corrosion of a surface on which the paint is applied. The additive package includes an amine and a phosphatizing reagent that can... | 06/21/1994 |
| 5278279 | Process for producing (co)polycarbonate with transesterification catalyst and compound A process for producing a (co)polycarbonate or a (co)polyestercarbonate having a high molecular weight and excellent hue, heat stability and mechanical properties by reacting a dihydroxyl compound with a diester of carbonic acid and/or a diester of dicarb... | 01/11/1994 |
| 5234979 | Thermoplastic mounding compositions with flame-repellant properties The present invention relates to thermoplastic moulding compositions consisting of halogen-free polycarbonates, halogen-free polystyrene and/or halogen-free copolymers of styrene with acrylonitrile, halogen-free phosphorus compounds of the formula I ... | 08/10/1993 |
| 5137951 | Silylated hydroxyaminomethylphosphonates and stabilized compositions Hydroxyaminomethylphosphonates of formula I ##STR1## where R1 to R5 are independently hydrogen, alkyl, cycloalkyl, aryl or phenylalkyl, R6 has the same meanings except for hydrogen, and R1 can also be trial... | 08/11/1992 |
| 5079299 | Mold release composition This invention provides a mold release composition copmrising (1) a compound or a polymer having at least one of perfluoroalkyl groups having 4 to 20 carbon atoms and perfluoroalkenyl groups having 4 to 20 carbon atoms, and (2) a ladder polymer of organos... | 01/07/1992 |
| 5071897 | Melt extruded blends of biphenol-organosilicon material reaction products having enhanced rates of crystallization Certain crystallization accelerators, such as 1,3-dixylenoxy-1,1,3,3-tetramethyl-disiloxane have been found effective for greatly enhancing the crystallization rate and broadening the temperature region in which crystallization of biphenol-organosilicon ... | 12/10/1991 |
