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 |
| 7435770 | Polymeric-type electric resistance control agent and polymer composition containing the same The present invention provides a polymeric-type antistatic agent containing a polymer composition consisting of a polymeric-type antistatic agent containing a resin or/and an elastomer as a main component thereof; or/and a thermoplastic resin having a polar group or... | 10/14/2008 |
| 7419541 | Monoazo pigment preparations based on C.I. Pigment Yellow 74 A pigment preparation comprising C.I. Pigment Yellow 74 of formula (I) as base pigment and C.I. Pigment Yellow 62 of formula (II) as pigment dispersant. ... | 09/02/2008 |
| 7377974 | Use of a pigment preparation based on C.I. pigment yellow 74 The invention relates to the use of pigment preparations comprising C.I. Pigment Yellow 74 as base pigment and one or more pigment dispersants of the formula (I) wherein R1, R2, R3 | 05/27/2008 |
| 7364597 | Metal complex colorant comprising azo moiety A metal complex colorant represented by formula 1 may embody various colors and has improved fastness, such as light resistance, water resistance and the like: wherein each of A1 and A2 is independentl... | 04/29/2008 |
| 7361291 | Antistatic composition Polymer compositions comprising a) a polymer substrate selected from the group consisting of the polyolefins, polyesters, polyamides and polylactic acids and b) a combination of i) at l... | 04/22/2008 |
| 7332536 | 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... | 02/19/2008 |
| 7235587 | Diesters containing two crylene or fluorene moieties, sunscreen compositions containing the same, and methods of photostabilizing a sunscreen compositions containing the same Diesters that include one or more of a crylene and/or a fluorene moiety, and sunscreen compositions including a mixture of a photoactive compound and one or more of a diester that includes one or more of a crylene and/or a fluorene moiety are described herein. Also ... | 06/26/2007 |
| 7226965 | Polymeric-type electric resistance control agent and polymer composition containing the same The present invention provides a polymeric-type antistatic agent containing a polymer composition consisting of a polymeric-type antistatic agent containing a resin or/and an elastomer as a main component thereof; or/and a thermoplastic resin having a polar group or... | 06/05/2007 |
| 7220792 | Water resistant permanent antistatic thermoplastic composition A water resistant permanent antistatic thermoplastic composition contains about 100 parts by weight of a thermoplastic polymer, such as polycarbonate or a blend thereof, about 0.1 to about 10 parts by weight of an antistatic agent, and about 0.1 to about 10 parts by... | 05/22/2007 |
| 7220843 | Methanesulfonamide azo dyes This invention relates to monoazo, disazo and trisazo colorants of the formula (I) where M represents two hydrogen atoms or one metal ion selected from the group consisting of Cu, Co, Ni, Mn, Zn and ... | 05/22/2007 |
| 7153384 | Laser ray transmitting colored thermoplastic resin composition and method of laser welding Laser ray transmitting colored thermoplastic resin composition containing a dis-azo salt forming dye consisting of an anionic component from a dis-azo acid dye and an organic ammonium component, said acid dye being represented by Formula (1) below, R1... | 12/26/2006 |
| 7144939 | Organic nucleating agents that impart very high impact resistance and other beneficial physical properties within polypropylene articles at very low effective amounts The use of organic based nucleating agents to induce certain specific polymer orientations into the molded polypropylene articles such that the resultant part has improved stiffness-impact properties without sacrificing other attributes of the polypropylene is provi... | 12/05/2006 |
| 7097699 | Composition for printing recording materials A composition for printing recording materials comprising a) at least one temporarily water-soluble dye with one SO2CH2COOM group being present in the molecule; b) water or a medium including a mixture of water and an organic solvent, an anhydr... | 08/29/2006 |
| 7094918 | Low-color ultraviolet absorbers for thermoplastic and thermoset high UV wavelength protection applications Novel ultraviolet absorbing compounds that are liquid in nature, are low in color (and thus permit use without the concomitant necessity of adding large amounts of other coloring agents to combat such discoloring), and are highly effective in providing protection in... | 08/22/2006 |
| 7094820 | Polymer additive compositions comprising highly versatile thermoplastic nucleators Bicyclic nucleator compounds that provide highly versatile nucleation benefits for different polyolefins are provided. Such nucleator compounds provide very high peak crystallization temperatures and significantly reduced crystallization cycle time for certain therm... | 08/22/2006 |
| 7067075 | Flame-retardant thermoplastic resin composition The object of the present invention is to provide a flame-retardant thermoplastic resin composition, which comprises: 100 parts by weight of a thermoplastic resin (A), 0.1 to 30 parts by weight of ... | 06/27/2006 |
| 7055649 | Multi-density sound attenuating laminates and methods of making same Sound attenuating laminates, and methods of making the same, are provided. Heat is applied to a surface of a non-woven, fibrous layer of material to form a stratum of melted fibers having a density greater than that of the remainder of the fibrous layer. The density... | 06/06/2006 |
| 7045185 | Polyamide-based composition for flexible pipes containing oil or gas A composition comprising by weight: 70 to 96% of at least one polyamide chosen from PA-11, PA-12, aliphatic polyamides resulting from the condensation of an aliphatic diamine having from 6 to 12 carbon atoms and an aliphatic diacid... | 05/16/2006 |
| 7022764 | Static dissipating resin composition and methods for manufacture thereof A substantially transparent antistatic, impact resistant, molding composition comprises a miscible mixture of a polycarbonate resin and a cycloaliphatic polyester resin, and an antistatic polymeric material wherein the mixture of the polycarbonate and the cycloaliph... | 04/04/2006 |
| 7014797 | Low-color ultraviolet absorbers for high UV wavelength protection applications Novel ultraviolet absorbing compounds that are liquid in nature, are extremely low in color and are highly effective in providing protection in wavelength ranges for which previous attempts at low-color ultraviolet absorbers have failed are provided herein. Such com... | 03/21/2006 |
| 6995212 | Flame retardant, thermoplastic polycarbonate molding compositions A flame-retardant thermoplastic molding composition is disclosed. The composition contains aromatic polycarbonate resin and sufficient amounts of poly(tetrafluoroethylene) and sulfo-modified polyester, that are effective to impart to the composition flame resistance... | 02/07/2006 |
| 6987174 | Azo compound, colorant-containing curable composition, color filter and color filter production method The present invention provides an azo compound represented by the following general formula (I) and a colorant-containing curable composition containing a binder and an azo compound represented by the following general formula (I): | 01/17/2006 |
| 6984724 | Pigmented 1-naphtholsulphonic acid-based monoazo pigments The invention relates to novel monoazo compounds of formula (1), wherein R1 re resents H, Cl or CH3; R2 represents H or Cl; M2+ represents Mg2+, Mn2+ or Sr2+; Y1=represents COO | 01/10/2006 |
| 6982292 | Use of halogenated sulfonates as a stabilizer booster in PVC The invention relates to a process to make stabilized PVC wherein use is made of at least one compound of the formula wherein M is selected from the group consisting of alkali metals, alkali earth metals, Al, and transi... | 01/03/2006 |
| 6972306 | Compositions and articles 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... | 12/06/2005 |
| 6946507 | Nucleating additive formulations of bicyclo[2.2.1]heptane dicarboxylate salts Milled, small particle size, solid bicyclo[2.2.1]heptane dicarboxylate salt-containing thermoplastic nucleating additive formulations further comprising at least one anticaking agent for improved haze reduction, improved nucleation performance, and prevention of pot... | 09/20/2005 |
| 6939581 | Process for impregnating supports An impregnation process of a porous support including immersing the support in an aqueous colloidal dispersion of ionomeric (per)fluorinated polymer, containing suiphonyl fluoride groups and having a concentration greater than 15% by weight, thermal treatment at 200... | 09/06/2005 |
| 6936650 | Nucleating additive formulations of bicyclo[2.2.1]heptane dicarboxylate salts Milled, small particle size, solid bicyclo[2.2.1]heptane dicarboxylate salt-containing thermoplastic nucleating additive formulations further comprising at least one anticaking agent for improved haze reduction, improved nucleation performance, and prevention of pot... | 08/30/2005 |
| 6923639 | Flame-resistant wick holder for candle A flame-retardant wick holder for a candle is made of a material having a UL-94 vertical burn test rating of at least V-0, including polymers and ceramics. The wick holder supports a wick at the bottom of a candle. The wick holder material causes the flame on the wi... | 08/02/2005 |
| 6919473 | Photostabilizers, UV absorbers, and methods of photostabilizing a sunscreen composition Derivatives of fluorene, including ester derivatives of cyano(9H-fluoren-9-ylidene) acetic acid, and sunscreen compositions including a mixture of a photoactive compound and an ester derivative of cyano(9H-fluoren-9-ylidene) acetic acid are disclosed herein. Also di... | 07/19/2005 |
| 6913641 | Laked monoazo pigments based on naphtholsulfonic acids The invention relates to novel monoazo compounds of formula (1), wherein R represents H or Cl, M2+ represents Ca2+ or SR2+ and Y1=H and Y2=SO3− or Y1=SO3− | 07/05/2005 |
| 6914092 | Antistatic agent An agent suitable for imparting antistatic properties to plastics is disclosed. The incorporation of small amounts of perfluoroalkylsulfonic acid salt in plastic resins, notably thermoplastic resins was found to be effective for this purpose. ... | 07/05/2005 |
| 6911517 | Methods of producing highly nucleated syndiotactic polypropylene The present invention relates to methods of producing syndiotactic polypropylene articles through high performance nucleation via the presence of certain novel nucleating agents within molten syndiotactic resins, and subsequently permitting the resultant molten mixt... | 06/28/2005 |
| 6906207 | Polymer additive compositions and articles comprising novel fluorinated and alkylated alditol derivatives Plastic additives which are useful as nucleating agents and which are especially useful for improving the optical properties of polymeric materials are provided. More particularly, this invention relates to certain alkyl (or alkoxy) substituted fluoro-benzylidene so... | 06/14/2005 |
| 6841598 | Antistatic and antidust agents, compositions thereof, and methods of manufacture A quaternary onium aromatic sulfonate represented by the formula: wherein each R1 independently comprises substituted or unsubstituted, aliphatic or aromatic, hydrocarbyl, carbocyclic or heterocyclic radical... | 01/11/2005 |
| 6787589 | Amber polyester compositions and container articles produced therefrom This application discloses amber colored polyesters suitable for packaging food and beverages. The amber polyester compositions provide excellent blockage of UV and visible light over the wavelength ranges of from about 320-550 nm, rendering them suitable for packag... | 09/07/2004 |
| 6759457 | Unique compositions having utility in rubber applications A composition including 8-hydroxyquinaldine and an N-acyl taurate is useful in compounding elastomer compositions. Compositions are described containing elastomers such as rubbers, metal oxides, plasticizers, fillers, antidioxants and curing agents. Rubber compositi... | 07/06/2004 |
| 6670412 | Method of melt processing amine containing polyethylenes Melt processed linear polyethylenes containing an amine additive are shown to exhibit improved processability through the addition of certain surfactants. The amine compounds are generally one or more hindered amine light stabilizers (HALS), amine antista... | 12/30/2003 |
| 6627278 | Injection blow-molded disposable tumbler and method of making same An injection blow-molded disposable tumbler is formed from a polymeric material and includes a fortified upper rim having a thickness greater than the adjacent sidewall. The tumbler may be formed of a variety of resinous materials and exhibits improved to... | 09/30/2003 |
| 6559199 | Silicone elastomer system having biocide properties useful in particular for making impressions in dentistry An elastomer system having biocide properties is described, useful, in particular, for dental impressions. An efficient system is provided for destroying microbes, without adversely affecting the crosslinking properties and the mechanical qualities of RTV... | 05/06/2003 |