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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 |
| 7740750 | Application of visbreaker analysis tools to optimize performance A system and method for quantifying opaque inhomogeneities within a fluid sample. The system uses an optical lens system to focus a light beam onto a stage where the sample is introduced. The light beam is directed onto the sample in a pattern such that the intensit... | 06/22/2010 |
| 7576136 | Emulsified feedstock for hydrocarbon process units that incorporate spray atomization The present invention is directed to a method for producing an emulsified aqueous hydrocarbon solution comprising, providing a liquid hydrocarbon stream at a particular temperature and a separate water stream, mixing the water stream with a surfactant at a predeterm... | 08/18/2009 |
| 7480363 | Converting a digital radiograph to an absolute thickness map A digital radiography imaging system for acquiring digital images of an object, and a method for transforming digital images into an absolute thickness map characterizing the object under inspection. The system includes a radiation source for directing radiation thr... | 01/20/2009 |
| 7442722 | Foam control in aqueous media The present invention relates to foam control compositions and methods for controlling foam in aqueous media by adding to the system an effective amount of the foam control agent of the present invention. The antifoam/defoam compositions of the present invention inc... | 10/28/2008 |
| 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 |
| 7394545 | Apparatus for characterizing and measuring the concentration of opaque particles within a fluid sample A system and method for counting opaque particles within a fluid sample. The system uses an optical lens system to focus a light beam onto a sample on a multi-dimensional translation stage. The translation stage is moved in a pattern such that the intensity of the t... | 07/01/2008 |
| 7344607 | Non-chromate conversion coating treatment for metals Chromate-free treatments and compositions, for applying a conversion or passivation coating to zinc coated metal surfaces. The compositions comprise a polyamidoamine/epihalohydrin polymer or cationic polyamine/epihalohydrin polymer component, fluoacid, H3... | 03/18/2008 |
| 7335794 | Polythiaether compounds and their use as corrosion inhibitors The corrosion of metals in contact with aqueous alkanolamine solutions in acid gas removal units is inhibited by adding to the alkanolamine solution a corrosion inhibiting amount of a polythiaether compound. ... | 02/26/2008 |
| 7204927 | Settling aids for solids in hydrocarbons A treatment for accelerating the settling of finely divided solids in hydrocarbon fluids, including adding to the hydrocarbon a sufficient settling amount of a combination of at least two of (a) a quaternary fatty ammonium compound, (b) a hetero-atom punctuated fatt... | 04/17/2007 |
