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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 |
| 7786202 | Process for preparing organically modified layered double hydroxide The invention relates to a process for preparing a layered double hydroxide comprising a charge-balancing anion, the process comprising the steps of: (a) preparing a precursor suspension or solution comprising a divalent metal ion source, a trivalent metal ion sourc... | 08/31/2010 |
| 7244777 | Nucleated polyolefins and preparation thereof The present invention provides nucleated polyolefins using shellac based nucleating agents wherein the nucleated polyolefins obtained have improved crystallization temperature (Tc) and smaller spherulitic size and hence improved transparency characteristics. ... | 07/17/2007 |
| 7223471 | Polytrimethylene terephthalate resins with improved properties A composition comprising Polytrimethylene terephthalate (PTT) with a reduced emission of acrolein is obtained by contacting Polytrimethylene terephthalate (PTT) resin with an effective amount of a melt stable, organic stabilizing compound. Such PTT resin has an acro... | 05/29/2007 |
| 7217385 | Polyvinyl alcohol composition and film A method of preparing a plasticised particulate polyvinyl alcohol (PVA) composition is provided, comprising: mixing, in a mixer, at a mixer speed and for a time sufficient that the mixture attains a temperature of at least 50° C.: particulate PVA resin in an amount... | 05/15/2007 |
| 7192998 | Additive for rendering inert acidic or halogen-containing compounds contained in olefin polymers A process for producing olefin polymers, which comprises the steps of polymerizing an olefin monomer in a polymerization zone in the presence of a catalyst comprising a transition metal compound to form an olefin polymer, and adding at the end of or downstream from ... | 03/20/2007 |
| 7141302 | Suture material for surgery, processes for its production and the use thereof A suture material for surgery comprises one or more filaments and is formed with a coating, which is characterized in that the coating at least partly comprises a bioresorbable polymer, which is essentially formed from a random terpolymer with a completely amorphous... | 11/28/2006 |
| 7063980 | Pretreatment kit for saliva and pretreatment method for saliva A pretreatment kit and a pretreatment kit for saliva in identification and quantitative determination of mutans streptococci by immunochromatography utilizing an antigen-antibody reaction, which can remove aggregation caused by mucin and chain formation of mutans st... | 06/20/2006 |
| 7049359 | Packaging The present invention provides a wall for a package, which wall comprises, or includes a layer comprising, a composition comprising a polymer and capable of scavenging oxygen through the metal-catalysed oxidation of an oxidizable organic component thereof. The oxidi... | 05/23/2006 |
| 7015265 | Filled elastomeric butyl compounds with improved scorch safety The present invention provides a process for preparing a filled halobutyl elastomer, which includes mixing a halobutyl elastomer, particles of filler an additive containing both amino and alcohol functional groups, and one or more hydrated metal halogens and optiona... | 03/21/2006 |
| 7015260 | High temperature polymeric materials containing corona resistant composite filler, and methods relating thereto Corona resistant, high temperature polymeric materials are disclosed which are generally useful in high voltage wire insulation or similar type applications. The materials contain composite fillers having an organic component with excellent dispersion properties in ... | 03/21/2006 |
| 7009001 | Aromatic polycarbonate resin composition and moldings Provided is an aromatic polycarbonate resin composition which comprises 100 parts by mass of an aromatic polycarbonate resin and from 0.001 to 1 part by mass of an additional thermoplastic resin that differs from the aromatic polycarbonate resin in the refractive in... | 03/07/2006 |
| 6951896 | Flame-retardant thermoplastic composition with improved properties The invention relates to a flame-retardant thermoplastic composition which comprises at least (A) a thermoplastic polymer and (B) a flame-retardant system and which also contains (C) an n-alkanelactam-substituted polymer. Such a composition shows both a good flame r... | 10/04/2005 |
| 6949112 | Medical device formed of polyester copolymer A medical device or component thereof, and particularly intracorporeal devices for therapeutic or diagnostic uses, formed at least in part of a copolymer having a hard block and a polylactone soft block. In a presently preferred embodiment, the hard block of the cop... | 09/27/2005 |
| 6926767 | Aqueous dispersions of nucleating agents A storage stable aqueous dispersion useful in preparing sizing compositions for glass fibers contains a normally solid nucleating agent, a nonionic surfactant, and a base. The nucleating agent is a mixture of an aliphatic monocarboxylic acid and an aliphatic dicarbo... | 08/09/2005 |
| 6890984 | Polyamide resin composition The present invention provides a polyamide resin composition suitable as industrial materials such as automobile parts, electronic or electrical parts, and industrial machine parts, and excellent in various mechanical properties such as various kinds of moldability,... | 05/10/2005 |
| 6794433 | Metal salts of hexahydrophthalic acid as nucleating additives for crystalline thermoplastics Compounds and compositions comprising specific metal salts of hexahydrophthalic acid (HHPA) in order to provide highly desirable properties within thermoplastic articles are provided. The inventive HHPA derivatives are useful as nucleating and/or clarifying agents f... | 09/21/2004 |
| 6583206 | Saturated [2.2.2] dicarboxylate salt thermoplastic nucleators and thermoplastic compositions thereof Compounds of and compositions comprising specific salts of saturated [2.2.2] dicarboxylate in order to provide highly desirable properties within thermoplastic (e.g., polyolefin) articles are provided. The inventive salts and derivatives thereof are usefu... | 06/24/2003 |
| 6482757 | Polymer latex for ultraviolet absorption on different substrates A process for the production of an ultra violet absorbing polymer latex is provided. The inventive process involves the emulsion polymerization of a benzotriazole- or benzophenone-containing monomer with a vinyl functional monomer in the presence of a cha... | 11/19/2002 |
| 6462116 | Combination of an organothio compound and a zinc mercapto ester as a heat stabilizer in PVC processing The zinc bum experienced during the processing of a composition comprising a halogen-containing polymer and a zinc mercaptoester is eliminated by the addition of an organothio compound selected from dithioglycol, polyformals and polyacetals of said dithio... | 10/08/2002 |
| 6391947 | Ink composition An ink for ink-jet recording is provided which contains a coloring material and an aqueous liquid medium for solving or dispersing the coloring material, the liquid medium having a lower critical consolute temperature (Tc) to cause phase separation at a t... | 05/21/2002 |
| 6274660 | Coating composition and its use and process for its preparation The present invention relates to a coating composition featuring increased solids contents, which comprises at least one polyol I obtainable by subjecting at least one oligomer of the general formula I R1 R2 C.dbd.[.dbd.CH--R--CH.dbd.] | 08/14/2001 |
| 6228921 | Process for the production of compounds based on silanes containing epoxy groups A process is disclosed for the production of compounds based on hydrolyzable silanes containing epoxy groups. The process involves adding one of the following substances to a pre-hydrolyzed silicon compound A with at least one hydrolytically non-separable... | 05/08/2001 |
| 6194330 | Polymer latex for ultraviolet absorbtion on fabric A process for the production of an ultra violet absorbing polymer latex is provided. The inventive process involves the emulsion polymerization of a benzotriazole- or benzophenone-containing monomer with a vinyl functional monomer in the presence of a cha... | 02/27/2001 |
| 6090877 | Propylene polymer compositions stabilized with potassium citrate as an acid scavenger A low smoke forming, acid neutralized propylene polymer composition comprises a propylene polymer and an acid-scavenging amount of mono potassium citrate.... | 07/18/2000 |
| 6001165 | Coating composition for recording material and process for producing recording material A coating composition for a recording material and a process for producing the recording material are provided, wherein the coating composition includes an aluminum alkoxide, a binder and a hydrophilic solvent.... | 12/14/1999 |
| 5929151 | Ketone polymer-epoxy blend compositions A polyketone composition having improved processability consisting of a polyketone, a thermosettable epoxy resin and a curing agent sufficient to cure the epoxy resin when exposed to processing temperatures such as injection molding to form a finished art... | 07/27/1999 |
| 5747570 | Water-absorbing resin composition Water-absorbing resin compositions obtained by adding a water-soluble thiol compound in the process of drying or pulverizing a hydrogel of a water-absorbing resin which is obtained by polymerizing a water-soluble monomer having a polymerizable unsaturated... | 05/05/1998 |
| 5733963 | Silica reinforced rubber composition and tire with tread thereof The present invention relates to a rubber composition containing silica reinforcement and to pneumatic tires having treads comprised of such rubber composition. A rubber composition comprises at least one elastomer, silica, carbon black and a silica coupl... | 03/31/1998 |
| 5698661 | High molecular weight polyesterpolycarbonates and the use thereof for the preparation of bioerosible matrices Polyesterpolycarbonates of formula (I) ##STR1## wherein a is an integer from 2 to 300; R1 and R2, which can be the same or different, are each a polyester residue of formula (II) ##STR2## with x and y being integers from 0 ... | 12/16/1997 |
| 5643980 | Flame retardant thermoplastic resin composition A flame retardant thermoplastic resin composition which comprises 100 parts by weight of a thermoplastic resin, from 1 to 30 parts by weight of (A) at least one of polyhydric alcohol-boric acid metal complexes, from 15 to 30 parts by weight of (B) at leas... | 07/01/1997 |
| 5629365 | UV-absorbing polymer latex Aqueous latices adapted to forming visible light transparent, coherent polymeric films, e.g. in laminates, as protective coatings or as adhesives, comprising colloidal particles of a UV-absorbing polymer less than 5 micrometers in diameter. Useful UV-abso... | 05/13/1997 |
| 5616638 | Cured composite and process therefor Flexible composites, such as those useful as light pipes, may be effectively cured by reactions upon copolymerized alkoxysilane functionality. Improvements in the optical properties of the uncured and cured systems are found when the alkoxysilane monomer ... | 04/01/1997 |
| 5610216 | Silica reinforced rubber composition and tire with tread thereof The present invention relates to a rubber composition containing silica reinforcement and to pneumatic tires having treads comprised of such rubber composition. A rubber composition comprises at least one elastomer, silica, carbon black and a silica coupl... | 03/11/1997 |
| 5587419 | Method for the manufacture of weatherable, rigid extrusion profiles having improved surface appearance Blends of chlorinated polyvinyl chloride and chlorinated polyethylene and methods for preparing extruded profiles such as a window spacer, a glazing bead, a window lineal, and a track for lighting, having smooth surface characteristics are disclosed. The ... | 12/24/1996 |
| 5574082 | Propylene polymer compositions having improved color and stabilizers therefor. Useful stabilizer combinations and propylene polymer compositions stabilized therewith having improved resistance to discoloration upon processing are provided. The stabilizer combinations of the invention are comprised of a mixture of calcium salts of st... | 11/12/1996 |
| 5508329 | Stabilized polyketone composition A polymer composition stabilized against degradation during melt processing comprises a major amount of a polymer of carbon monoxide and at least one olefin and a minor amount of a stabilizer. The stabilizer can be a mixture of an aluminum trailalkoxide o... | 04/16/1996 |
| 5489637 | Low temperature flexible die attach adhesive and articles using same Described is a flexible adhesive formulation for bonding a semiconductor device to a flexible substrate and a flexible card containing a semiconductor device which can be processed in a computer.... | 02/06/1996 |
| 5449711 | Olefinic thermoplastic elastomer composition Blooming on the surface of products molded from an olefinic thermoplastic elastomer composition containing an olefinic thermoplastic elastomer and one or more additives which promotes such blooming is prevented by compounding into the elastomer one or mor... | 09/12/1995 |
| 5449708 | Biodegradable starch-based polymer compositions A method for continuous preparation of a starch-based biodegradable polymer. A homogeneous mixture of starch, an ethylene acrylic acid co-polymer, and a salt of stearic acid are premixed before addition of an aqueous lubricant material. An increase in tem... | 09/12/1995 |
| 5414034 | Processing stabilizer formulations Melt extrusion processes involving phosphite stabilized polyolefin compositions subject to solid by-product formation during melt extrusion are improved by the addition of a metal salt of a lactic acid to the composition. The processes involving the impro... | 05/09/1995 |
