"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 6528447 | Process for the preparation of a catalyst composite A process for preparing a hydrocarbon conversion catalyst for use in a Fluid Catalyst Cracking (FCC) unit includes the steps of preparing a modified alumina-silica composite by reacting alumina with an acid to obtain an acidified alumina, aging the acidif... | 03/04/2003 |
| 6517819 | Antiperspirant suspensions containing finely divided aluminium and zirconium, having better effectiveness and a process for their manufacture An antiperspirant suspension which is finely divided, which is contained in a non-aqueous phase, and which has improved efficacy for perspiration reduction when used on human skin, includes at least one basic aluminum-zirconium-halogenohydrate complex as ... | 02/11/2003 |
| 6506905 | Method of preparation of paclitaxel (taxol) using 3-(alk-2-ynyloxy) carbonyl-5-oxazolidine carboxylic acid 3-(alk-2-ynyloxy)carbonyl-5-oxazolidine carboxylic acid and its analogs having a formula ##STR1## and wherein R1 is hydrogen, aryl, heteroaryl, alkyl, alkenyl, alkynyl, R2 and R3 are independently selected from hydrogen, a... | 01/14/2003 |
| 6483534 | Stereoscopic image production method and device for implementing same A device and a method for producing a stereoscopic image with horizontal parallax including diffracting electromagnetic rays emitted by an object to provide a first dispersion of dispersed electromagnetic rays in which a lateral deviation of the rays emit... | 11/19/2002 |
| 6479723 | Process for chemical destruction of sulphur mustard A process for the chemical destruction of sulphur mustard by chemical conversion which comprises in the step of reacting sulphur mustard with a thiophilic agent prepared by dissolving sulphur in ethylenediamine and/or ethanol diamine.... | 11/12/2002 |
| 6449883 | Method and device for dredging underwater ground layers An apparatus and method for dredging under water ground layers includes the steps of providing a dredging device composed of a mechanical dredging component having a part operative to contact the under water ground layers and exert a dredging action; and ... | 09/17/2002 |
| 6447298 | Sketching device for use by a blind person A sketching device for use by a blind person includes a pen body which is hollow and which has a writing end; a bobbin spool encloser which is secured to the pen body, which has slots provided in opposite sides thereof, and which has a hole defined therei... | 09/10/2002 |
| 6446701 | Apparatus for unidirectional solidification of compounds An improved apparatus for producing unidirectionally solidified components over wide range of shapes and sizes from the smallest aero-engine turbine parts to the largest industrial gas turbine parts with improved quality and productivity where a chill blo... | 09/10/2002 |
| 6445094 | Hoisting drive for use in the iron and steel industry The invention relates to a hoisting drive comprising several linear motors, as well as to a linear slide track with a carriage. All primary parts and all secondary parts of the linear motors are mounted on the carriage. The hoisting drive comprises a clos... | 09/03/2002 |
| 6428778 | Process for the synthesis of finely divided antiperspirant active ingredient suspensions A process for synthesis of finely divided antiperspirant suspensions includes providing an antiperspirant salt consisting essentially of an Al salt which is effective as an antiperspirant and which is described by an empirical formula as follows: Al(OH)( | 08/06/2002 |
| 6424671 | Process for making steel A process for making steel in an electric arc furnace includes providing a molten charge which is a melt composed of a high carbon ferrous metal in the electric arc furnace by one of preparing the melt in the furnace or introducing the melt into the furna... | 07/23/2002 |
| 6383448 | Nickel-based superalloy A nickel-based superalloy includes from 1.4 to 4.4 wt. % of Cr, from 3 to 8 wt. % of Co, from 5 to 7.5 wt. % of W, from 4.8 to 7.5 wt. % of Re, from 6 to 9 wt. % of Ta, from 4.8 to 6 wt. % of Al, from 0.1 to 0.5 wt. % of Nb, from 0.8 to 1.8 wt. % of Hf, f... | 05/07/2002 |
| 6380299 | Stable aqueous dispersions for sizing paper A method for preparing a paper sizing agent which has improved retention on paper and which is an aqueous dispersion stabilized with a polymer, including the steps of (a) dispersing a resin which is one of a colophonium resin or a compound derived from a ... | 04/30/2002 |
| 6379594 | Process for producing workpieces and molded pieces out of cellulose and/or cellulose-containing fiber material A process for producing a work piece includes providing raw material which is cellulose-containing and fibrous, which is not any part of a tree, and which is selected from the group consisting of, crude plant fibers, pure cellulose, waste paper, and waste... | 04/30/2002 |
| 6368509 | Device for dialysis/purification of proteins The present invention relates to a device for dialysis, desalting, purification or concentration of proteins. The device includes an upper hollow chamber, a middle detachable air-tight seal and a lower semipermeable membrane sac. The upper and lower parts... | 04/09/2002 |
| 6368610 | Disinfecting composition A disinfecting composition which is bactericidal and effective to kill yeast includes (a) at least one a monocarboxylic acid of formula R--COOH, in which R a saturated or unsaturated, straight- or branched-chain alkyl radical comprising from 6 to 12 carbo... | 04/09/2002 |
| 6352587 | Use of a colorant solution containing a stable, at least partially neutralized chromium (III) coordination compound for coloring unglazed ceramic A process for coloring an unglazed ceramic with an aqueous colorant solution containing a chromium (III) coordination compound which is at least partially neutralized and stable, including (a) dissolving a carboxylic acid selected from the group consistin... | 03/05/2002 |
| 6320079 | Process for the preparation of S(ω-aminoalkylamino) alkyl aryl sulfide dihydrochlorides A process for preparing S-(ω-aminoalkylamino) alkyl aryl sulfide dihydrochlorides includes the steps of (a) reacting aryl mercaptan and (ω-aminoalkylamino) alkylbromide dihydrobromide to cause condensation thereof in the presence of an organic base in a... | 11/20/2001 |
| 6309999 | Process for the preparation of an immunoadsorbent matrix A process for the preparation of an immunoadsorbent matrix includes preparing polyvinyl alcohol beads by partially crosslinking polyvinyl alcohol (PVA) with a crosslinking agent to provide polyvinyl alcohol beads which are at least partially crosslinked; ... | 10/30/2001 |
| 6302954 | Solidifying and hardening accelerator for hydraulic binders A solidification and curing accelerator for hydraulic binders produced by a process including providing a reaction mixture composed of constituents (a) - (e) as follows: (a) at least one of basic aluminum salts which are substantially water insoluble and ... | 10/16/2001 |
| 6284218 | Process for preparing an hydrothermally stable, large crystallite sized, highly crystallite sized, highly crystalline synthetic faujasite zeolite A synthetic faujasite zeolite and a process for preparing the same which includes forming a reaction mixture consisting essentially of water, a source of silica, a source of alumina, Na2 O nd nucleation centers, wherein the reaction mixture has... | 09/04/2001 |
| 6268465 | Hydrolysis-resistant aliphatic polyester amides, their production and use An aliphatic polyester amide which is hydrolysis-resistant includes a ternary polycondensation product of monomeric constituents composed of a monomeric constituent A which is at least one diol having a general formula: HO--R1 --OH, where R | 07/31/2001 |
| 6267873 | Fluidized catalytic cracking process A fluidized catalytic cracking process for catalytically cracking a feed to lighter products includes introducing a heated catalyst and the feed into a bottom riser of a fluidized catalytic cracking apparatus and allowing the heated catalyst and the feed ... | 07/31/2001 |
| 6265359 | Imide-Diurea and imide-urethane urea grease thickeners and organic solvent free process for preparation thereof An organic solvent free process for the preparation of a grease thickener which is at least one of an imide-diurea and an imide-urethane urea includes (a) providing approximately equimolar amounts of reagents including dibasic acid selected from the group... | 07/24/2001 |
| 6255427 | Amphoteric polymer dispersion An amphoteric polymer dispersion obtained in the presence of at least one of starch or a starch derivative by a two-stage polymerization using anionic and cationic monomers is useful as a sizing agent for paper products, as a coating for various substrate... | 07/03/2001 |
| 6251351 | Wet-process technique for refining phosphoric acid A process for purification by multistage countercurrent extraction of wet-process phosphoric acid includes the steps of (a) preparing an aqueous phosphoric acid by decomposition of crude phosphates with sulfuric acid and prepurification thereof; (b) provi... | 06/26/2001 |
| 6251482 | Forming a silver coating on a vitreous substrate In a process for forming a mirror which includes sensitizing and activating a vitreous substrate, subsequently silvering the vitreous substrate to provide a silver coating thereon, and applying paint to the silver coating, the improvement including activa... | 06/26/2001 |
| 6231971 | Glazing panel having solar screening properties A glazing panel having a solar factor (FS) of less than 70% includes a sheet of glass; and at least two coating layers provided on the sheet of glass including first and second coating layers, the first coating layer being composed of tin and antimony oxi... | 05/15/2001 |
| 6221209 | Multi-stage bleaching process having a final stabilized peroxide stage Process for bleaching a chemical paper pulp to a brightness of at least 89° ISO, consisting in subjecting the pulp to a treatment sequence of several stages including a final bleaching stage with hydrogen peroxide in alkaline medium carried out in the pr... | 04/24/2001 |
| 6193935 | Catalytic converter A catalytic converter for treating pollutants contained in exhaust gas from an internal combustion engine, includes a chamber having an inlet disposed at a first end of the chamber for introduction of the exhaust gas and an outlet disposed at a second end... | 02/27/2001 |
| 6186410 | Lance for heating or ceramic welding Apparatus and process for one of flame treatment or ceramic welding, the apparatus including a single tubular lance having a tip end, a butt end, and a head portion with a central main bore provided at the tip end so that ceramic welding materials compris... | 02/13/2001 |
| 6184429 | Oligomerization of alpha-olefins This invention relates to a catalyst composition capable of effecting selective oligomerisation of olefins contained in cracked refinery distillate streams, comprising of olefins, aromatics, paraffins and cycloparaffins. The catalyst composition gives ver... | 02/06/2001 |
| 6172012 | Titanium complex grease composition including performance additives and process for preparation thereof A lubricating grease composition includes from 2 to 20% by weight of titanium alkoxide; from 2 to 20% by weight of carboxylic acid other than fatty acid; from 5.0 to 35.0% by weight of fatty acids; from 0.0 to 5.0% by weight of water; from 20 to 90% by we... | 01/09/2001 |
| 6164951 | Apparatus for simultaneous production of a plurality of construction panels Apparatus for producing construction panels includes a distribution tank for receiving a slurry for formation of the construction panels, the distribution tank having a plurality of separator plates disposed in a spaced apart relationship to each other so... | 12/26/2000 |
| 6158570 | Process and device for conveying and forming groups of discoid products, in particular biscuits The products (12) are delivered in a plurality of columns (11) to a conveyor wheel (15) which has pivotably articulated carriers (26, 27). An axially stationary carrier (26) and an axially displaceable carrier (27) are alternately coordinated with every t... | 12/12/2000 |
| 6156430 | Ceramic powder having a surface that has been rendered hydrophobic as well as its manufacture and use The invention essentially relates to the use of ceramic powders whose surface has been rendered hydrophobic to produce fine-particle dispersions having a high solids content and a low viscosity. The invention further relates to specific ceramic powders wh... | 12/05/2000 |
| 6153677 | Flame-retardant thermoplastic polyamide molding composition and article molded therefrom A polyamide composition which is flame-retardant, includes several polyamides; and at least one flame-retarding additive which is at least one alkyl phosphonic acid compound having general formula (I):... | 11/28/2000 |
| 6149875 | Fluidized catalytic cracking process and apparatus A fluidized catalytic cracking apparatus includes a riser containing a regenerated catalyst and adsorbant, and has a first inlet for introduction of high velocity steam, a second inlet for introduction of a feed stream containing heavy residual fractions ... | 11/21/2000 |
| 6149331 | Refillable soft lead pencil A pencil which has a tip and which dispenses a soft mass in use includes a sheath having front and back ends; a push rod positioned coxially within the sheath, having a sheath-side end, and being secured by its sheath-side end to the back end of the sheat... | 11/21/2000 |
| 6149791 | Process and apparatus for the selective electroplating of electrical contact elements A process and apparatus for the selective electroplating of electrical coct elements, used for coating at least one contact surface of a metal base for the contact elements with an electrolyte, containing a material with a higher conductivity as compared... | 11/21/2000 |