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| Patent # | Description |
|---|---|
| US-4,060,701 |
Method for testing acoustical attenuation of hearing protectors A method for rapidly and accurately measuring the acoustical attenuation effectiveness of various personal hearing protection devices as worn, particularly... |
| US-4,060,700 |
Two-party telephone system The present invention relates to a two-party telephone system intended for external calls to and from each of the telephone sets included in the system, and... |
| US-4,060,699 |
Line connection reversing circuits In a line connection reversing circuit of the type having a first set of a plurality of paired transmission lines, and a second set of a plurality of paired... |
| US-4,060,698 |
Digital switching center A switching center having a plurality of sets of buffer stores for connecting the channels of a plurality of pulse code modulated signal systems to the inputs of... |
| US-4,060,697 |
Microphone mounting and control system The system includes a holder for a microphone, a mounting structure for mounting the holder from a dashboard in the drivers compartment of a vehicle, and... |
| US-4,060,696 |
Binaural four-channel stereophony A binaural four-channel stereophony comprises at least two dummy heads each provided with microphones at the ears of the dummy to pick up signals from various... |
| US-4,060,695 |
Speaker identification system using peak value envelop lines of vocal
waveforms Voice verfication of individuals is carried out by utilizing the peak value envelope of voice signals. The voice signal is separated into its positive and... |
| US-4,060,694 |
Speech recognition method and apparatus adapted to a plurality of
different speakers Speech recognition in prior art uses one extracted characteristic component (x.sub.i) to represent one phoneme (X.sub.i) as spoken by one speaker. This invention... |
| US-4,060,693 |
AC superconducting articles A novel AC superconducting article comprising a composite structure having a superconducting surface along with a high thermally conductive material wherein the... |
| US-4,060,692 |
Induction melting furnace An induction melting furnace comprising a conical crucible and a conical induction coil which envelops the crucible. The induction furnace comprises means for... |
| US-4,060,691 |
7-{3-Hydroxy-2-[4-hydroxy-4-(lower
alkyl)-trans-1-octen-1-yl]-5-oxocyclopent-1-yl}heptanoic acids and
esters 7-{3-Hydroxy-2-[4-hydroxy-4-(lower alkyl)-trans-1-octen-1-yl]-5-oxocyclopent-1-yl{heptanoic acids and esters, displaying valuable pharmacological properties,... |
| US-4,060,690 |
Method of preparing arylacetic acid alkyl esters In a process of producing an alkyl ester of a substituted or unsubstituted arylacetic acid wherein a substituted or unsubstituted aromatic halogen methyl... |
| US-4,060,689 |
Vinylbenzyl esters of n-boc-amino acids There is described herein the preparation of vinylbenzyl esters of N-BOC amino acids which upon polymerization with styrene and divinylbenzene provide insoluble... |
| US-4,060,688 |
Cephalosporin intermediates 3-Exomethylenecepham and 3-hydroxy-3-cephem sulfoxides represented by the formulas ##STR1## wherein R is an acyl group derived from a carboxylic acid and... |
| US-4,060,687 |
Cephalosporins having a 3-.alpha. substituted alkyl grouping Novel cephalosporin compounds having a 3'-.alpha.-methyl, a 3-aryl or 3-heterocycle substituent are prepared by total synthesis. The novel cephalosporin... |
| US-4,060,686 |
Cephalosporins having a 7-(carboxy substituted .alpha.-etherified
oximinoarylacetamido) group 3-Carbamoyloxymethyl and 3-N-methylcarbamoyloxymethyl cephalosporin antibiotics in which the 7.beta.-acylamido group has the structure ##STR1## where R is... |
| US-4,060,685 |
Furanacroyl esters Light sensitive high molecular weight compounds containing furanacrylate groups in the molecule, which can be suitably used for the preparation of ... |
| US-4,060,684 |
Process for recovering raw materials from waste cellophane An efficient process for recovering raw materials from scrap coated and uncoated cellophane, including usable cellulose, coating resin, and softener, comprising... |
| US-4,060,683 |
Preparation of cationic starches and cathionic starches thus produced A reagent for the modification of starch is prepared from the reaction of a 2,3-dihalopropionamide with a secondary amine. When starch is treated with this... |
| US-4,060,682 |
Process for the synthetic production of 3-deoxy derivative of an
aminoglycosidic antibiotic 3'-Deoxy derivatives of neamine, 6'-N-alkylneamine, kanamycin B, 6'-N-alkylkanamycin B, ribostamycin, 6'-N-alkylribostamycin and paromamine may be produced by a... |
| US-4,060,681 |
Unsaturated esters of polyfluoroalkylthioalcohols This invention relates to novel acrylates, methacrylates, fumarates, maleates, citraconates, mesaconates, itaconates, and aconitates of the following structure: ... |
| US-4,060,680 |
Production of acrylonitrile copolymers A process which comprises producing a uniform copolymer of acrylonitrile and at least one faster-reacting aromatic olefine containing 50-95% molar of... |
| US-4,060,679 |
Method of preparing a low molecular weight paper size polymer by
continuous polymerization in the absence of... A paper size comprising a water-soluble salt of a copolymer of from 30 to 85% by weight of olefins of 2 to 12 carbon atoms, having a terminal double bond, and/or... |
| US-4,060,678 |
Cationic hydrogels based on hydroxyalkyl acrylates and methacrylates Novel cationic hydrogels, containing basic (cationic) groups in their molecular structure, and processes for their preparation are described. These novel... |
| US-4,060,677 |
Process for molecular weight lowering of vinyl halide polymers employing
saturated carbon to carbon bonded... Vinyl halide homopolymers, copolymers and graft polymers of substantially lower molecular weight are obtained when polymerization is carried out in bulk in the... |
| US-4,060,676 |
Metal periodate organic electrolyte cells A cathodic active material is described utilizing the periodates of heavy metals and preferably of silver. These materials are particularly suitable for use as... |
| US-4,060,675 |
Galvanic element with a negative electrode of light metal, a non-aqueous
electrolyte and a positive electrode Galvanic element with a negative electrode of a light metal, a non-aqueous electrolyte and a positive electrode containing arsenites, particularly silver and... |
| US-4,060,674 |
Alkali metal anode-containing cells having electrolytes of
organometallic-alkali metal salts and organic solvents Electrolyte compositions for reversible alkali metal cells, e.g., lithium batteries, are described which consist essentially of (a) organic solvents selected... |
| US-4,060,673 |
Ion exchange membranes and organic electrolyte cells employing same Ion exchange membranes adapted for use in organic solvents. The membranes include a substrate providing microporosity and a polyelectrolyte supported thereby and... |
| US-4,060,672 |
Electrochemical energy cell with solid electrolyte Electrochemical cells utilize crystalline chalcogen halides as solid eleclytes. Processes for the manufacture of the chalcogen halides and of the solid... |
| US-4,060,671 |
Battery seal for encapsulatable cell The invention is to an electrochemical power cell construction utilizing a spring biased closure for the cell which prevents electrolyte leakage; the whole... |
| US-4,060,670 |
Alkaline flat cell battery A hermetically sealed flat cell with an alkaline electrolyte and a battery made out of a number of such cells. Both the positive and the negative electrode layer... |
| US-4,060,669 |
Flat battery A thin battery of the LeClanche type incorporating a multiplicity of electrically conductive layers and sheet separators arranged to cooperate in conjunction... |
| US-4,060,668 |
Primary electrochemical cell A primary electrochemical cell is described in which a novel granular cathode material is utilized. The cathode is formed from about 40 to 99 weight percent of... |
| US-4,060,667 |
High temperature secondary batteries The invention concerns a high temperature lithium-sulfur secondary battery, characterized in that the cathode pellet is made from titanium disulphide. An... |
| US-4,060,666 |
Battery capacity indicator for primary battery The remaining useful life of a battery is indicated by a mechanical resilient means for displaying the thickness of the battery electrode. A mechanical indicator... |
| US-4,060,665 |
Ornamental assembly Disclosed is an ornamental assembly which is securely fastened to a member to be decorated with a bush-like insert having an opening adapted to be snugly fitted... |
| US-4,060,664 |
Bonded composite structures Bonded composite structures having improved bonding materials comprising a thin zone of polycarbodiimide polymer. Methods of preparing the bonded structures are... |
| US-4,060,663 |
Electrical resistor glaze composition and resistor A vitreous enamel resistance material including a mixture of a vitreous glass frit and fine particles of a conductor which is an alloy of nickel and chromium.... |
| US-4,060,662 |
Article having a surface layer of catalytic ash by-product of coal
combustion Disclosed are products and processes useful in catalysis of chemical reactions, especially the oxidation of organic materials. Specifically described are... |
| US-4,060,661 |
Voltage-dependent resistor There is provided a voltage-dependent resistor comprising a bulk consisting essentially of zinc oxide as the major part and as additives 0.01 to 10 mol % of... |
| US-4,060,660 |
Deposition of transparent amorphous carbon films Applying a D. C. glow discharge to a heated glassy substrate in an evacuated chamber to which a volatile hydrocarbon has been added, produces a glassy substrate... |
| US-4,060,659 |
Electric wires or cables with styrene containing dielectric layer Electric wires or cables having a dielectric layer or layers of an uncross-linked or cross-linked mixture of (1) a polyolefin and (2a) polystyrene or (2b) a... |
| US-4,060,658 |
Glass fibers coated with a polybutadiene homopolymer latex-containing
impregnant A tire cord impregnant, particularly suited for coating glass fibers is disclosed. The impregnant consists essentially of a vinylpyridine latex, a polybutadiene... |
| US-4,060,657 |
Coating compositions A coating composition comprising (a) a hydrophilic copolymer of ethylene, alpha,beta-ethylenically unsaturated carboxylic acid and polyvalent alcohol monoester... |
| US-4,060,656 |
Support for photosensitive resin A support for a photosensitive resin for use in making a printing plate using a liquid photosensitive resin, said support comprising a flexible self-supporting... |
| US-4,060,655 |
Resin coated metal substrates An article comprising a metal substrate in the form of a pipe or a container, said substrate being coated with a hardened epoxy resin composition formed from (A)... |
| US-4,060,654 |
Lamellar pellicle for thermography The disclosure is of a composite lamellar pellicle for producing thermographic patterns by means of liquid crystals which are spread upon an inner sheet and... |
| US-4,060,653 |
Composite wire A composite wire of a metal, a metal oxide or carbide of a metal, metal oxide or metal carbide powder and a mixture of a phenolic resin and a thermoplastic resin... |
| US-4,060,652 |
Nondepolarizing muscle relaxant A nondepolarizing muscle relaxant containing, as active principle ingredient, p,p"-bis-triethylammonio-n-terphenyl dibenzenesulphonate in a pharmaceutical... |
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