Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 6066244 | Apparatus for use in electrical, e.g. electrochemical, measurement procedures, and its production and use, and composite assemblies incorporating the apparatus A composite electrode, comprising: a solid non-metallic substrate, (such as ceramic, glass, or epoxy resin,) and, bonded directly or indirectly to said substrate, a non-conducting matrix, incorporating particles which are accessible to the electrode surface and con... | 05/23/2000 |
| 6022733 | Simulated biological dissolution and absorption system The invention relates to a system and method for assessing simulated biological dissolution of a pharmaceutical formulation and absorption of a pharmaceutically active compound therefrom. The system comprises a dissolution chamber and a cell culture chamb... | 02/08/2000 |
| 5993859 | Pharmaceutical agents The invention provides a pharmaceutical composition comprising a particular physical form of N-[4-[5-(cyclopentyloxycarbonyl)amino-1-methylindol-3-yl-methyl]-3-methoxy benzoyl]-2-methyl-benzenesulphonamide and polyvinylpyrrolidone. It also provides me... | 11/30/1999 |
| 5985281 | Chemical compounds A two component system for therapeutic treatment of a host, having a first component comprising a targeting moiety capable of binding with a tumour associated antigen, linked to a mutated enzyme capable of converting a prodrug into an antineoplastic drug,... | 11/16/1999 |
| 5965559 | Aminoheterocyclic derivatives as antithrombotic or anticoagulant The invention concerns compounds of formula (I), wherein each of G1, G2 and G6 is CH or n; m is 1 or 2; R1 includes hydrogen, halogeno and (1-4C)alkyl; M1 is a group of formula: NR2 -L1 | 10/12/1999 |
| 5955464 | 4-anilinoquinazoline derivatives bearing a heteroaryl substituted at the 6-position and possessing anti-cell-proliferation properties The invention concerns 4-anilinoquinazoline derivatives of the formula I ##STR1## wherein m is 1 or 2; each R1 includes hydrogen, halogeno, (1-4C)alkyl and (1-4C)alkoxy; n is 1, 2 or 3; each R2 includes hydrogen, hydroxy, halogeno an... | 09/21/1999 |
| 5952333 | Quinazoline derivative The invention concerns the quinazoline derivative 6-(2-methoxyethylamino)-7-methoxy-4-(3'-methylanilino)quinazoline, or a pharmaceutically-acceptable salt thereof, processes for its preparation, pharmaceutical compositions containing the compound and the ... | 09/14/1999 |
| 5939255 | Yeast artificial chromosomes containing DNA encoding the cystic fibrosis (CFTR) gene Yeast Artificial Chromosomes (YACS) containing DNA encoding the cystic fibrosis (CFTR) gene are described. The YACs allow detailed analysis of the coding and non-coding regions of the gene and the determination of cystic fibrosis alleles in sample DNA fro... | 08/17/1999 |
| 5925569 | Blood testing device and method This invention relates to the measurement of various haemostatis, clotting, and the like properties of blood.... | 07/20/1999 |
| 5919647 | Methods and apparatuses for examining pathogen resistance of plant, for evaluating ability to impart pathogen resistance to plant, and for evaluating agricultural chemical An apparatus including: a sprayer for inoculating a microbe on a first division divided from at least one sample of a plant to be examined; sample leaving device for leaving a second division divided from the sample not inoculated with the microbe and the... | 07/06/1999 |
| 5919793 | Heterocyclic derivatives Compounds of formula (I) wherein R1 is hydrogen or hydroxy; R2 is hydrogen; or R1 and R2 are joined together so that CR1 14 CR2 is a double bond; X is selected from --Ch2 CH2 | 07/06/1999 |
| 5912355 | Chiral synthesis of tertiary alcohols with a hydrolase Method of preparing an optically active compound of formula, wherein R and R1 are independently alkyl, alkenyl, alkynyl, alkoxy, alkoxyalkyl, cycloalkyl, aryl, aralkyl, a heterocyclic group or a C1 -C4 alkyl-heterocycle, e... | 06/15/1999 |
| 5908869 | Propofol compositions containing edetate Pharmaceutical compositions containing 2,6-diisopropylphenol (propofol) are described for use as anaesthetics. A method for their preparation is described, as their use in producing anaesthesia including induction and maintenance of general anaesthesia an... | 06/01/1999 |
| 5901570 | Refrigerator having a refrigeration system A refrigerator for improving a cooling efficiency. The refrigerator has a cabinet having a refrigerating chamber, a freezing chamber, and an evaporator chamber which is disposed at a rear portion of the freezing chamber, an evaporators which generates a c... | 05/11/1999 |
| 5900998 | Thin film actuated mirror array and method for the manufacture thereof There is provided an array of M×N thin film actuated mirrors for use in an optical projection system comprising an active matrix, an array of M×N thin film actuating structures, each of the thin film actuating structures including at least a thin film l... | 05/04/1999 |
| 5895526 | Process for growing single crystal A process for growing a single crystal comprises providing a single crystal substrate acting as a seed crystal above a source material in a container, heating the source material in an inert gas atmosphere in the container to form a sublimed source materi... | 04/20/1999 |
| 5887622 | Valve assembly of a compressor A valve assembly is comprised of a valve plate 35, a discharge valve 34, a backing valve 33, and a stopper 31. A first fixed member 34H of the discharge valve 34 and second fixed member 33H of the backing spring 33 have a first slot 43 and a second slot 4... | 03/30/1999 |
| 5887457 | Washing machine A washing machine having a friction apparatus which can uniformly wash articles to be washed and can improve the washing efficiency. The friction apparatus is installed in openings formed at a side wall of a spin tub. Upper and lower slots are formed at u... | 03/30/1999 |
| 5889110 | Salts of peptides with carboxy-terminated polyesters This invention relates to novel salts composed of a cation derived from a peptide containing at least one basic group and an anion derived from a carboxy-terminated polyester, processes for the manufacture of such salts, and the use of such salts in the m... | 03/30/1999 |
| 5882338 | Syringes and syringe pumps A medical syringe comprises a cylindrical barrel 1 having therein a plunger 4 which can be axially driven by a plunger rod 3. The plunger rod 3 passes through an aperture in the centre of a finger grip 2 having two finger grip projections 2b at opposite s... | 03/16/1999 |
| 5880130 | 4,6-dianilino-pyrimidine derivatives, their preparation and their use as tyrosine kinase inhibitors The invention concerns pyrimidine derivatives of formula wherein m is 1, 2 or 3; each R1 is independently hydrogen, hydroxy, (un)substituted amino, nitro, halogeno, cyano, carboxy, (un)substituted carbamoyl, ureido, (1-4C) alkoxycarbonyl, (un)s... | 03/09/1999 |
| 5875677 | Starter having a water barrier A starter for an engine, having a ring gear includes an output shaft for slidably holding a pinion gear engageable with the ring gear, a housing having an opening portion that enables the pinion gear to engage with the ring gear when the pinion gear advan... | 03/02/1999 |
| 5871542 | Endoprosthetic knee joint device The invention concerns endoprosthetic knee joint devices of the so called `meniscal knee`variety. A device is provided of the above type wherein the mutually engaging bearing surfaces of the tibial platform and the meniscal component have a part-cylindric... | 02/16/1999 |
| 5872024 | Method for manufacturing a mechanical force sensing semiconductor device A semiconductor mechanical sensor having a new structure in which a S/N ratio is improved. In the central portion of a silicon substrate 1, a recess portion 2 is formed which includes a beam structure. A weight is formed at the tip of the beam, and in the... | 02/16/1999 |
| 5871685 | Method of burnishing brake pads Provided is a fast and efficient method of burnishing a brake pad. The brake pad is contacted with a heat source having a power density greater than about 270 Mw/m2. Also provided is pre-burnished brake pad having an increased coefficient of fr... | 02/16/1999 |
| 5866572 | Quinazoline derivatives The invention concerns quinazoline derivatives of the formula I ##STR1## wherein X1 is a direct link or a group such as CO, C(R2)2 and CH(OR2); wherein Q1 is phenyl, naphthyl or a 5- or 6-membered het... | 02/02/1999 |
| 5865047 | Pulsator for a washing machine A pulsator, which is installed in a washing tub of a washing machine, includes a base, a post protruded upwardly from a upper surface of the base, a plurality of blades extended radially with respect to the post and outwardly the base, and protruded upwar... | 02/02/1999 |
| 5862685 | Washing machine transmission A washing machine transmission performs a washing by rotating a pulsator in forward and reverse directions during a washing cycle even though a driving source rotates in any one direction only, so that an overload in the driving source can be prevented. A... | 01/26/1999 |
| 5861036 | Medical prosthesis for preventing gastric reflux in the esophagus A prosthesis in the form of a flexible tube having a substantially uniform cross section is disclosed. The prosthesis comprises a flange (2) for endoscopically placing stitches or clips in a hiatal hernia (3), and a flexible tubular portion (1) enabling t... | 01/19/1999 |
| 5862027 | Cam gear driving apparatus of a video cassette recorder A cam gear driving apparatus of a VCR which can drive a cam gear by a relatively lower starting torque and has spur gears used as a driving gear and a cam gear so that it is easy to adjust tolerance. The cam gear driving apparatus has a driving source for... | 01/19/1999 |
| 5855239 | Method for controlling injection of die casting machine A method for controlling the injection of a die casting machine in which immediately after molten metal is injected into a cavity of metal molds at a high speed, the pressure oil in the chamber at the rod side of an injection cylinder is discharged into a... | 01/05/1999 |
| 5856390 | High temperature coating A coating for reducing brake pad noise is provided that includes about 40 to about 90% by weight of a phenolic thermal setting resin, about 1 to about 40% by weight of graphite, about 1 to about 40% by weight of molybdenum disulfide, and, 0 to about 40% b... | 01/05/1999 |
| 5854062 | Catalyzed enantiomeric selection of 1,2-diols and their cyclization to produce oxiranes Method of preparing an optically active compound of formula, wherein R and R1 are independently alkyl, alkenyl, alkynyl, alkoxy, alkoxyalkyl, cycloalkyl, aryl, aralkyl, a heterocyclic group or a C1 -C4 alkyl-heterocycle, e... | 12/29/1998 |
| 5852032 | Method of treating nicotine dependence A method of treating a subject afflicted with nicotine dependence with the opiate antagonist, nalmefene is described. The subjects will not gain significant amounts of weight as a result of smoking reduction or cessation.... | 12/22/1998 |
| 5852274 | Electrically heatable catalytic converter An electrically heatable catalytic converter for internal combustion engines is provided. This catalytic converter includes a honeycomb multi-layered core member wound around an electrode. The multi-layered core member consists of a plurality of flat meta... | 12/22/1998 |
| 5850750 | Clothes washer having a pulsator apparatus In a clothes basket having a pulsator apparatus, a pulsator apparatus comprises a driving pulsator 20 disposed above a bottom portion of a clothes basket 2 and rotated by a motor 4, and a plurality of driven pulsators 30 rotated by the rotation of the dri... | 12/22/1998 |
| 5848768 | Laminar flow skin Apparatus for the control of boundary layer fluids by a suction technique, the said apparatus being adapted to form part of or attach to a fluid dynamic surface and comprising; a sandwich skin material consisting of at least two layers, an outer layer of ... | 12/15/1998 |
| 5849391 | Cordierite honeycomb structure and process for producing the same A cordierite honeycomb structure having a coefficient of thermal conductivity of not less than 0.035 J/cm.multidot.°K..multidot.sec, a porosity of not more than 16%, and a coefficient of thermal expansion of not more than 1.0×10-6 /°C. at 40... | 12/15/1998 |
| 5847351 | Electrode feeding apparatus for electric-discharge machining An electrode feeding apparatus for electric-discharge machining by discharging between an electrode and a workpiece in order to machine the workpiece includes an occurrence frequency detecting unit for detecting the occurrence frequency of short-circuit c... | 12/08/1998 |
| 5847343 | Refrigerator door push button switch system A refrigerator door switch system for sensing opening of a freezer compartment door and a fresh food compartment door comprises a push button switch installed at the freezer compartment door or the fresh food compartment door, being positioned at a first ... | 12/08/1998 |
