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| Number | Title | Issue Date |
| 5145250 | Process for the preparation of bone cement A process for the preparation of bone cement for subsequent introduction into the cavity of a bone serving to receive a prosthesis. The components serving for the production of the bone cement are introduced into a cartridge and mixed together during a mi... | 09/08/1992 |
| 5144806 | Process for the liquefaction of gases Gases, e.g., helium, are treated to freeze out impurities in the form of liquid and solids, and resultant gases are liquefied in a refrigerating unit. For automatic control of the freeze purification system, control of this process is responsive to two pe... | 09/08/1992 |
| 5145803 | Glass sealant containing lead borate glass and fillers of mullite and cordierite A glass sealant comprises a mixture of about 70-90% of a solder glass powder of a low-melting lead-borate glass with a transformation temperature of 330° C. or lower, 1-20% by weight of cordierite powder, and 1-25% by weight of mullite powder, with the c... | 09/08/1992 |
| 5144083 | Process for producing p-hydroxyneophyl m-phenoxybenzyl ether A process for producing a p-hydroxyneophyl m-phenoxybenzyl ether represented by the general formula (II) ##STR1## (X1 and X2 are independently a hydrogen atom or a halogen atom) by subjecting a corresponding p-alkoxyneophyl m-ph... | 09/01/1992 |
| 5143924 | Oxodihydropyridyl chroman derivatives Novel chroman derivatives of the formula I ##STR1## in which R1 to R6 and Z have the meanings given in Patent Claim 1, and their salts show effects on the cardiovascular system and can be used for the treatment or prophylaxis of... | 09/01/1992 |
| 5143642 | Liquid-crystalline medium for electrooptical display elements based on the ECB effect The invention relates to a liquid-crystalline medium for electrooptical display elements based on the ECB effect, containing two components A and B which themselves comprise one or more individual compounds, component A having clearly negative dielectric ... | 09/01/1992 |
| 5143147 | Cooling process associated with a process employing anhydrous hydrofluoric acid This process is intended to remove at least a part of the heat produced in at least one reaction and/or purification operation involving anhydrous HF, the cooling being performed by heat exchange with a cooling fluid circulating in a circuit which compris... | 09/01/1992 |
| 5144081 | Dialkoxybenzylidene-camphor derivatives The invention relates to dialkoxybenzylidene-camphor derivatives of the formula I ##STR1## in which R1 and R2, in each case independently of one another, are a straight-chain or branched alkyl radical having 1 to 10 c atoms, and... | 09/01/1992 |
| 5142080 | Method of manufacturing diethylaminotrimethylsilane Highly pure diethylaminotrimethylsilane can be manufactured in a high yield through the reaction between diethylamine and an N,O-bis(trimethylsilyl)acetamide represented by the following general formula: ##STR1## wherein X represents H or F.... | 08/25/1992 |
| 5141738 | Ultrasonic contrast medium comprising gas bubbles and solid lipophilic surfactant-containing microparticles and use thereof Microparticles which are less than 12 μm in size and are formed of or comprise a solid lipophilic group-containing compound having an HLB value less than about 20 produce a long lived ultrasonically echogenic entity in aqueous liquid and are useful as le... | 08/25/1992 |
| 5141511 | Resorptive bone ceramic on the basis of tricalcium phosphate The invention relates to a process for the preparation of a resorptive bone ceramic on the basis of tricalcium phosphate which can be used as a bone replacement material. In the process, natural bone material, freed from the soft tissues, is used as the s... | 08/25/1992 |
| 5142003 | Agents to prevent polymer scale deposition and a method therefor Scale deposits during polymerization of monomers containing ethylene-type double bonds are prevented by coating the reactor walls and parts with cationic dyes oxidized with hydrogen peroxide.... | 08/25/1992 |
| 5140106 | Process for the production of 3-deoxy-4-ene steroids A process for the production of 3-deoxy-4-ene steroids of the general formula I ##STR1## is described, in which R1, R2 and R3 mean a hydrogen atom or a methyl group, R4 represents a lower alkyl group, a phe... | 08/18/1992 |
| 5139707 | Indolino-spiroquinoxalino oxazine photochromatic compounds, methods for their preparation, photochromic compositions and articles containing such compounds The new photochromic compounds of the invention have the formula of a indolino-spiro-oxazine comprising an indolinic part and an oxazine part wherein the oxanine part comprises an unsaturated 6-atoms bi-aza heterocycle of the pyrimidine type included in a... | 08/18/1992 |
| 5139698 | Liquid crystal medium having a low temperature-dependence of the D/P window The invention relates to a nematic liquid crystal medium of positive dielectric anisotropy containing one or more achiral liquid crystal compounds and a doping component, the doping component contains one or more doping substance which are chosen such tha... | 08/18/1992 |
| 5139668 | Hollow fiber bundle element A hollow fiber bundle element comprises a bundle of microporous hollow fibers disposed in a cylindrical impermeable casing. Each fiber, wall provide a permeability in the microfiltration range (0.05 to 5 micrometers). The bundle forms two longitudinal pas... | 08/18/1992 |
| 5139983 | Process for the presulphurization of a hydrocarbon treatment catalyst The invention relates to a process making it possible when a refining catalyst is subject preferably in situ to the conventional activation reaction in the presence of hydrogen (generally at above 100° C.) to carry out, as a result of the in situ presenc... | 08/18/1992 |
| 5138113 | Process for producing alkylaromatic hydrocarbons from natural gas The invention relates to a process for producing alkylaromatic hydrocarbons from natural gas containing methane, characterized in that it comprises the following three successive stages: 1) thermal cracking of the natural gas with forming of hydrogen and ... | 08/11/1992 |
| 5137850 | Optical glass of negative anomalous partial dispersion in the blue region A chemically resistant glass which can be produced at relatively low melting temperatures and has anomalous negative partial dispersion Pg,F, a refractive index nd of from 1.73 to 1.83 and an Abbe coefficient vd of from 31... | 08/11/1992 |
| 5137849 | Sealing glass for the production of glass-to-metal seals A sealing glass is provided for the production of glass-to-metal seals, especially for battery headers, in storage batteries having a lithium electrode. The constituents of the glass, expressed in % by weight on an oxide basis, comprise: _______... | 08/11/1992 |
| 5137779 | Glass-ceramic article decorated with ceramic color The invention is related to a glass-ceramic article decorated with a ceramic baking finish. A SiO2 layer, about 20-200 nm thick, is placed between the decoration and the glass-ceramic material. The SiO2 layer can additionally contain... | 08/11/1992 |
| 5137885 | Thiadiazinones Thiadiazinones of the formula I ##STR1## in which R1, R2, R3, R4 and R5 have the meaning given in claim 1, show positively inotropic and vasodilating action and are suitable for combating cardiov... | 08/11/1992 |
| 5135904 | Adsorbent composition for malodorous gases A zinc oxide-hydroxide complex produced by heating freshly prepared zinc hydroxide at a temperature from about 150° C. to about 450° C. is useful as an adsorbent for malodorous gases such as hydrogen sulfide, mercaptans and the like. The complex alone o... | 08/04/1992 |
| 5135553 | Production of CO2 pellets During the production of solid CO2 pellets by compressing CO2 snow, in order to reduce the sublimation of the CO2 snow in the compressing step, the CO2 snow is subcooled with a cryomedium, e.g., argon or nitroge... | 08/04/1992 |
| 5134235 | Process for separating folinic acid Preparing (6S)-folinic acid and its salts, comprising recrystallization of alkaline-earth salts of (6R,S)-folinic acid and, where necessary, liberation of the acid from the alkaline-earth folinates and/or, where necessary, conversion into the alkali salts... | 07/28/1992 |
| 5133889 | Polysulfurized olefin compositions, their preparation and use as additives in lubricants Described are polysulfurized olefin compositions defined as being prepared by reaction of sulfur monochloride and/or dichloride with at least one monoolefin with 6 to 12 carbon atoms to form an addition product (or "adduct"), then by reaction of said addu... | 07/28/1992 |
| 5133756 | Process for producing a bone replacement material According to a process for producing a bone replacement material, natural bones are used as raw material, the soft parts of the bones are removed, as well as any residual organic substances, and the remaining osseous substance is finally sintered at tempe... | 07/28/1992 |
| 5133484 | Suction tube device A liquid siphon for emptying containers such as drums includes a main suction pipe, of a relatively large diameter, and an auxiliary suction pipe, of a relatively small diameter, which auxiliary suction pipe is coextensive with the main suction pipe and e... | 07/28/1992 |
| 5133954 | Process for regenerating a scrubbing agent loaded with H2 S and/or COS For regenerating a scrubbing agent loaded with H2 S and/or COS, as well as optionally with other raw gas components to be recovered, the loaded scrubbing agent is mixed, preferably without prior heating, with an oxidatively acting solvent that ... | 07/28/1992 |
| 5132440 | Process for the production of progesterone derivatives A process for the production of progresterone derivatives of general formula I ##STR1## in which symbolizes a single bond or a double bond, X represents a hydrogen atom, a fluorine atom or a methyl group and V means a methylene group, an ethylene group,... | 07/21/1992 |
| 5132377 | Heat-latent, cationic polymerization initiator and resin compositions containing the same Quaternary ammonium salts of a non-nucleophilic anion having an -substituted benzyl group attached to the quatenary nitrogen atom or having a heterocycle including the quaternary nitrogen atom are useful as a cation polymerization initiator having ... | 07/21/1992 |
| 5132307 | Tetralin compounds New tetralin derivatives of the formula I ##STR1## wherein R1 to R8 and Z have the meanings indicated herein and salts thereof, exhibit an effect on the cardiovascular system.... | 07/21/1992 |
| 5132299 | 11ଲ-phenyl-4,9,15-estratrienes, their manufacture and pharmaceutical preparations containing same New 11ଲ phenyl-4,9,15-estratrienes of formula I ##STR1## are described, where X implies an oxygen atom or a hydroxyimino grouping N~OH, R1 stands for a hydrogen atom or a methyl group, R2 implies a hydrogen atom, an alkyl radic... | 07/21/1992 |
| 5132226 | Method for the determination of maleimide groups A method and an agent for the determination of maleimide groups, comprising reacting a sample containing maleimide groups with a reagent containing thiol groups and then with a chromogen or fluorogen which reacts with thiol groups, and measuring the chang... | 07/21/1992 |
| 5132190 | Hydrozones and electrophotographic photoreceptors comprising them A hydrazone compound represented by the following formula (I): ##STR1## wherein R1 and R2 each are an aryl group or collectively with the carbon to which they are attached form a polycyclic group; R3 represents a hydr... | 07/21/1992 |
| 5132153 | Optical recording media Disclosed are optical recording media, each of which is composed of a substrate and a recording layer formed on the substrate. The recording layer includes an organic-dye-containing layer and an organopolysiloxane resin layer formed by the condensation of... | 07/21/1992 |
| 5131947 | 4-ethyl-3-(substituted phenyl)-1-(3-trifluoromethylphenyl)-2-pyrrolidinone derivatives, herbicidal compositions containing them and use thereof 4-Ethyl-3-(phenyl)-1-(3-trifluoromethylphenyl)-2-pyrrolidinones and corresponding compounds bearing a p-substituent on the 1-position phenyl group and/or a substituent on the 3-position phenyl group exhibit selective herbicidal activities against various ... | 07/21/1992 |
| 5132479 | Mordenite-based catalyst containing at least one metal from group VIII and its use for isomerizing a C8 aromatic fraction The invention relates to a catalyst for isomerizing a C8 aromatic fraction containing a mordenite and at least one metal from group VIII of the periodic classification of elements (such as Pt or Pd), characterized in that the mordenite is such ... | 07/21/1992 |
| 5130461 | 1,3-bis(p-hydroxybenzyl)-1,1,3,3-tetramethyldisiloxane and method for making There is provided a novel organosilicon compound, 1,3-bis(p-hydroxybenzyl)-1,1,3,3-tetramethyldisiloxane. It is prepared by silylating 1,3-bis(p-methoxybenzyl)-1,1,3,3-tetramethyldisiloxane with trimethylsilyl iodide, followed by desilylation.... | 07/14/1992 |
| 5130460 | Siloxane compound containing hydroxyphenyl group A hydroxyphenyl group-containing siloxane compound represented by the following general formula (I), containing at least one R2 in a molecule to acquire an aptitude for modification of polycarbonate and polyester resins: ##STR1## wher... | 07/14/1992 |
