Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7412358 | Efficient method of extracting the pull-in parameters of an electrostatically activated MEMS device for the purpose of designing the device A method of efficiently extracting the pull-in parameters of an electrostatically activated actuator. The actuator is modeled as an elastic element. For each of a plurality of deformations of the elastic element, a corresponding voltage is calculated. The highest su... | 08/12/2008 |
| 7364920 | Method for gold deposition A method for depositing gold on a substrate is provided. By this aspect nucleation centers are bound, deposited or formed at one or more sites on the substrate, the substrate is then contacted with a treatment composition which comprises soluble gold-providing agent... | 04/29/2008 |
| RE39616 | Aminoindan derivatives This invention is directed to compounds of the following formula: wherein when a is 0, b is 1 or 2; when a is 1, b is 1, m is from 0-3, X is O or S, Y is halogeno, R1 is hydrogen C1-4 alkyl, R2 is... | 05/08/2007 |
| 7190521 | Space-variant subwavelength dielectric grating and applications thereof An optical device includes a planar subwavelength grating (10) formed in a dielectric material and having a laterally varying, continuous grating vector. When used to modulate a beam of laterally uniform polarized electromagnetic radiation incident thereon, t... | 03/13/2007 |
| 7138554 | Synthesis of (dibromocyclobuta) aromatic compounds A method for the synthesis of cyclobuta aromatic compounds by cyclizing two ortho dibromoalkyl substituents is described. Using a mediator, such as nickel metal, and continuous removal of product from contact with the mediator, high product yields are achieved. A me... | 11/21/2006 |
| 7075698 | Variable lenslet array The disclosed invention provides a variable lenslet array system that comprises an acousto-optic medium and at least one acoustic wave generator that is positioned adjacent to the acousto-optic medium. The acoustic wave generator is adapted to generate standing acou... | 07/11/2006 |
| 7027681 | Using optical solitons to increase figure-of-merit of laser beam deflection devices A device for bending a laser beam is provided. The device includes a beam deflection device that produces the beam having a selected number of addressable points. A soliton forming mechanism is positioned at the output of the beam deflection device so it receives th... | 04/11/2006 |
| 6528685 | Compositions containing and methods of using 1-aminoindan and derivatives thereof and process for preparing optically active 1-aminoindan derivatives Novel derivatives of 1-aminoindan and their salts are described. Optically active 1-aminoindan derivatives are prepared by reacting a N-benzyl analog of the desired compound with an enantiomer of mandelic acid. Parkinson's disease, dementia, epilepsy, con... | 03/04/2003 |
| 6521118 | Semiconductor etching process and apparatus There is provided a process for etching a semiconductor material, comprising the steps of: providing an electrochemical cell containing an etching electrolyte, the etching electrolyte being selected from the group of acidic electrolyte solutions, alkaline... | 02/18/2003 |
| 6303650 | Aminoindan derivatives This invention is directed to compounds of the following formula ##STR1## wherein when a is O, b is 1 or 2; when a is 1, b is 1, m is from 0-3 X is O or S, Y is halogeno, R1 is hydrogen C1-4 alkyl, R2 is hydrogen, C1-... | 10/16/2001 |
| 6263414 | Memory for accomplishing lowered granularity of a distributed shared memory A Distributed Shared Memory (DSM) system that provides a single address space shared by a number of processes The DSM is capable of accomplishing lowered granularity of distributed shared memory. The DSM system includes the address space constituting a vi... | 07/17/2001 |
| 6251938 | Phenylethylamine derivatives This invention is directed to compounds of the following formula: ##STR1## wherein m is from 0-4; X is O or S; Y is halogeno; R1 is hydrogen or C1-4 alkyl; R2 is hydrogen, C1-4 alkyl or optionally substituted pr... | 06/26/2001 |
| 6200318 | Kit for sternum fixation in chest surgery A tool kit for use in the inducement of the reconstitution and healing of the sternum after an operation on a patient in the chest region in which during the operation the sternum is cut into two hemisterna. The kit serves for the post-operational approxi... | 03/13/2001 |
| 5891923 | R-enantiomer of N-propargyl-1-aminoindan for the treatment of dementia This invention relates to the use of R(+)-N-propargyl-1-aminoindan and pharmaceutically acceptable salts thereof for the treatment of dementia.... | 04/06/1999 |
| 5880159 | Compositions containing and methods of using 1-aminoindan and derivatives thereof and process for preparing optically active 1-aminoindan derivatives Novel derivatives of 1-aminoindan and their salts are described. Optically active 1-aminoindan derivatives are prepared by reacting a N-benzyl analog of the desired compound with an enantiomer of mandelic acid. Parkinson's disease, dementia, epilepsy, con... | 03/09/1999 |
| 5877221 | Compositions containing and methods of using 1-aminoindan and derivatives thereof and process for preparing optically active 1-aminoindan derivatives Novel derivatives of 1-aminoindan and their salts are described. Optically active 1-aminoindan derivatives are prepared by reacting a N-benzyl analog of the desired compound with an enantiomer of mandelic acid. Parkinson's disease, dementia, epilepsy, con... | 03/02/1999 |
| 5807403 | Medical anchor device with suture thread and method for implantation into bone A medical anchor device for implantation into a bone of a patient includes a staple having a leading, bone-boring tip for self-tapping a hole, a trailing, driven end for receiving implanting force to self-tap and implant said staple into the bone of a pat... | 09/15/1998 |
| 5667336 | Furrow irrigation An automated furrow irrigation control method and system involves the initiation of an irrigation flow into an upstream end of a furrow at an initial water discharge rate; continuously or periodically sensing the progress of water flow along the furrow; c... | 09/16/1997 |
| 5576353 | Method of treating memory disorders using R-enantiomers of N-propargyl-aminoindan compounds R(+)-N-propargyl-1-aminoindan, its preparation and use and pharmaceutical compositions containing it. The novel compound was found to be useful for the treatment of human patients for Parkinson's disease, memory disorders, dementia of the Alzheimer type (... | 11/19/1996 |
| 5467123 | Apparatus & method for enhancing color images Color image enhancement apparatus comprising apparatus for receiving signals representing a color image, image processing apparatus, employing the received signals, for image processing of the high spatial frequency chromatic components of a color image, ... | 11/14/1995 |
| 5096791 | Method for preparation of mask for X-ray lithography A method of obtaining a mask for X-ray lithography having a thin oxidized metal membrane supported on an annular silicon base. The method consists of the following steps: (a) deposition of a metal layer on a silicon wafer; (b) oxidation of the metal layer... | 03/17/1992 |
| 5004454 | Auxiliary intra-urethral magnetic valve for persons suffering from urinary incontinence A urethral magnetic valve for insertion into the urethra of a person suffering from incontinence includes a plastic tube of a diameter suitable for insertion close to the bladder. It forms a valve seat in its distal portion to be normally closed by an elo... | 04/02/1991 |
| 4897193 | Device for mass transport and separation through selective barriers The present invention relates to a new technique and device for mass transport operation and physical separation, being substantially quantitative and involving selective barriers. According to the new technique, the mass transport through the selective b... | 01/30/1990 |
| 4832850 | Method and device for mass transport and separation through selective barriers The present invention relates to a new technique and device for mass transport operation and physical separation, being substantially quantitative and involving selective barriers. According to the new technique, the mass transport through the selective b... | 05/23/1989 |
| 4607826 | Apparatus for preparing improved porous metal-hydride compacts The present invention relates to a method and apparatus for preparing metal-embedded porous metallic-hydride (pmh) compacts capable of with standing repeated hydriding-dehydriding cycles without disintegrating. According to the invention, the finely divid... | 08/26/1986 |
| 4537760 | Process for the manufacture of ammonia The present invention relates to an improved process for the manufacture of ammonia from a gaseous mixture containing hydrogen and nitrogen. According to the invention, the process comprises the steps of: (a) feeding a gaseous mixture of hydrogen and nitr... | 08/27/1985 |
| 4482856 | Battery charger The invention comprises a bridged, transformerless charger which will permit the use of inexpensive low power diodes and a battery saver which may be used to permit excess energy to charge batteries.... | 11/13/1984 |
| 4454231 | Method and device for mass transfer operation in immunoassays and other applications The present invention relates to a new technique and device for mass transfer of one or more components from one liquid phase to another liquid phase, involving a physical separation of said two phases. According to the new technique, the mass transfer and phy... | 06/12/1984 |
| 4370413 | Micromethod for the determination of endotoxins An improved micromethod for the quantitative determination of endotoxins with Limulus Amebocyte Lysate (L.A.L.) reagent is based on the discovery that if L.A.L. reagent and a sample containing microquantities of endotoxin are incubated in a capillary tube... | 01/25/1983 |
| 4256116 | Transcutaneous pain reliever A transcutaneous pain reliever which utilizes a plurality of battery powered inductive energy generators, which are sequentially and individually activated, a clocking system which has means for automatically inhibiting pulsing of an energy generator unti... | 03/17/1981 |
| 4160078 | Polymers containing laterally substituted isocyanate groups and their preparation Polymers containing laterally substituted isocyanate groups, prepared from acyl azide monomers and at least one other vinyl monomer, and their preparation are provided. Utilization of the acyl azide monomers avoids the problems in handling and storage of ... | 07/03/1979 |
| 4101301 | Formation of spheres of thermoplastic materials, especially glass A method and apparatus for manufacturing spheres from molten material, such as glass, by allowing drops of the molten material to pass from one end to another of a column containing a liquid, such as a mixture of salts, the temperature of the column being... | 07/18/1978 |
| 4098089 | Method of laying subsoil membranes A method for laying subsoil membranes includes dragging a hollow cutting blade through the soil at a predetermined depth, providing a supply of sheeting to the interior of the blade and feeding the sheeting from the interior of the blade through an openin... | 07/04/1978 |
| 4016719 | Hydrostatic transmission system An hydraulic power transmission circuit comprises a high-pressure section and a low-pressure section, which together include (a) an internal or external combustion free-piston engine to each of whose pistons is attached one piston pump, the pump piston an... | 04/12/1977 |
| 3999990 | Imaging by light-enhanced vaporization An imaging method involves a substrate having a coating which undergoes a photochemical conversion upon being irradiated to yield only products whose vapor pressure under the operative temperature is higher than that of the coating. In this way as a resul... | 12/28/1976 |
| 3946601 | Method of load testing foundations The invention relates to a method of, and a rig for, testing vertical foundation piles and foundations to determine the ultimate bearing capacity of the pile and the settlement behavior of the foundation soil.... | 03/30/1976 |
