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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 |
| 6054334 | Methods and structures for pad reconfiguration to allow intermediate testing during manufacture of an integrated circuit Methods and structures for pad reconfiguration to allow intermediate testing during the manufacture of an integrated circuit are disclosed. The methods and structures disclosed are particularly useful in testing an embedded subcircuit, such as a memory ar... | 04/25/2000 |
| 6033874 | CRY1C polypeptides having improved toxicity to lepidopteran insects Disclosed are novel synthetically-modified B. thuringiensis nucleic acid segments encoding δ-endotoxins having insecticidal activity against lepidopteran insects. Also disclosed are synthetic crystal proteins encoded by these novel nucleic acid sequences... | 03/07/2000 |
| 5999480 | Dynamic random-access memory having a hierarchical data path A semiconductor dynamic random-access memory (DRAM) device embodying numerous features that collectively and/or individually prove beneficial and advantageous with regard to such considerations as density, power consumption, speed, and redundancyis disclo... | 12/07/1999 |
| 5976732 | Photomask for reconfiguring a circuit by exposure at two different wavelengths A photomask for printing multiple configurations includes a transparent substrate and a patterned opaque layer on a surface of the substrate defining transmitting and non-transmitting portions. A phase shifting layer is provided adjacent the opaque layer ... | 11/02/1999 |
| 5910625 | Inbred corn plant 3AZA1 and seeds thereof According to the invention, there is provided inbred corn plant, 3AZA1. This invention thus relates to the plants, seeds and tissue cultures of the fore-mentioned inbred corn plant and to methods for producing a corn plant produced by crossing one the inb... | 06/08/1999 |
| 5804404 | Stable substrate-chromogen solutions for enenzyme activity detection The preparation and use of stable, ready-to-use substrate-chromogen solutions for the detection and quantification of peroxidase or pseudoperoxidase activity are described. The substrate-chromogen solution according to the present invention contains a buf... | 09/08/1998 |
| 5715993 | Foldable package The subject-matter of the invention is a foldable package, having a bottom part (1) and a top package part (2) which can be separated. These parts each have side walls (3, 4, 5, 6, 7, 8, 9, 10) which are linked to one another in series. Bottom flaps (15, ... | 02/10/1998 |
| 5689052 | Synthetic DNA sequences having enhanced expression in monocotyledonous plants and method for preparation thereof A method for modifying a foreign nucleotide sequence for enhanced accumulation of its protein product in a monocotyledonous plant and/or increasing the frequency of obtaining transgenic monocotyledonous plants which accumulate useful amounts of a transgen... | 11/18/1997 |
| 5679521 | Steroid 5A-reductases Disclosed are methods and compositions for the preparation of steroid 5-reductases by recombinant means, as well as for the use of these enzymes in screening assays for the identification of compounds which have the ability to inhibit or otherwise ... | 10/21/1997 |
| 5652494 | Angle controller for a switched reluctance drive utilizing a high frequency clock A circuit and method for controlling a switched reluctance drive having at least one phase winding and a rotor position encoder that provides a set of signals corresponding to the absolute position of the rotor relative to the stator. The circuit monitors... | 07/29/1997 |
| 5527466 | Cross-flow filtration apparatus and method Apparatus and methods utilizing cross-flow filtration under supercritical conditions for water to separate/filter a feed stream or reaction mixture, remove oxides or other solids from fluids, and/or separate ion species (e.g., ions, electrolytes, or salts... | 06/18/1996 |
| 5313387 | Re-execution of edit-compile-run cycles for changed lines of source code, with storage of associated data in buffers A computer-aided software development system includes programs to implement edit, compile, link and run sequences, all from memory, at very high speed. The compiler operates on an incremental basis, line-byline, so if only one line is changed in an edit s... | 05/17/1994 |
| 5028707 | 4-hydroxyquinaldic acid derivatives A 7-chloro-4-hydroxy-2-quinoline carbonyl azide and its use as a photoaffinity probe for the N-methyl-D-aspartate (NMDA) receptor complex on neurons are claimed. A number of other compounds, including 4-hydroxy-2-quinoline carbonyl azides, isocyanates, an... | 07/02/1991 |
| 4952440 | Insulation assembly designed for thermal protection of a structure subjected to conditions of intense thermal aggression The invention relates to an insulation assembly designed for thermal protection of a structure, including three stacked layer of different types. The outer surface layer consists of a composite material with a mineral matrix, in particular made of clays c... | 08/28/1990 |
