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| Number | Title | Issue Date |
| 4477424 | Continuous preparation of hydroxylammonium salts An improved process for the continuous preparation of hydroxylammonium salts by catalytic reduction of nitric oxide with hydrogen in a dilute aqueous solution of a mineral acid in the presence of a suspended noble metal catalyst at an elevated temperature... | 10/16/1984 |
| 4474986 | Preparation of propafenone A process for the preparation of propafenone wherein 1. 2'-hydroxyacetophenone is reacted with epichlorohydrin, 2. the resulting 2-(2',3'-epoxypropoxy)-acetophenone is reacted with propylamine, 3. the resulting 2-(2'-hydroxy-3'-propylaminopropoxy)-acetophenone is ... | 10/02/1984 |
| 4474741 | Preparation of a crystalline aluminosilicate (zeolite) A process for the preparation of a crystalline aluminosilicate of the pentasil type by hydrothermal crystallization of SiO2 and Al(OH)3 in the presence of an alkali metal salt at from 80° to 250° C., wherein the crystallization is ... | 10/02/1984 |
| 4468315 | Hydrogenation of coal A process for hydrogenating coal which has been mixed with oils, by bringing the coal slurry to the reaction pressure by pumping, heating the slurry and catalytically hydrogenating it with hydrogen, wherein some or all of the hot gases and vapors formed d... | 08/28/1984 |
| 4465247 | Magnetic tape transport apparatus A magnetic tape transport apparatus wherein at least one capstan simultaneously drives the take-up and supply reels, and wherein tape tension is generated by a braking device allotted to each tape reel, each braking device consisting of an assembly of lev... | 08/14/1984 |
| 4461327 | Process and arrangements for charging a tubular reactor with granular solids A process and device for charging a plurality of tubes in a tube reactor with granular solids, preferably with catalysts, which, for this purpose, are fed from one or more stock vessels to a controllable metering device and from there, via guiding and dir... | 07/24/1984 |
| 4459301 | Method of treating cardiac disorders using bispidine derivatives Bispidine derivatives of the formula I ##STR1## where R is hydrogen or amino, and their salts with physiologically tolerated acids. The compounds possess antiarrhythmic properties.... | 07/10/1984 |
| 4458929 | Automatic locking mechanism for a revolving shutter The subject of the invention is an automatic locking mechanism for a revolving shutter to protect the latter against unauthorized pulling up from the outside, using a locking device which is moved into the locking position after the revolving-shutter casi... | 07/10/1984 |
| 4457723 | Color changeable fabric A fabric formed from fiber-like strands of hollow, transparent filaments which have been woven or otherwise joined together is disclosed. The hollow strands contain a liquid in which color-coded micromagnets are dispersed. The micromagnets are free to rot... | 07/03/1984 |
| 4456160 | Guide device for a recording medium in tape form, especially a magnetic tape A guide device for tape-like recording media, especially a reversing guide device for magnetic tapes, that are transported at high speed, which comprises at least one guide roll, around whose periphery the recording medium is guided, and which is rotatabl... | 06/26/1984 |
| 4455252 | Phlegmatization of organic peroxides by metallic soaps A phlegmatized organic peroxide composition is disclosed which contains a liquid organic peroxide and a metallic soap of a higher fatty acid in an amount sufficient to phlegmatize the liquid peroxide. Viscosity modifiers may be added to render the composi... | 06/19/1984 |
| 4454358 | Continuous production of ethanol and plural stage distillation of the same Ethanol is produced continuously via the carbonylation of methanol, by (a) carbonylating methanol, in a reactor R, in the presence of a carbonyl complex of a metal of group VIII of the periodic table and of a halogen compound, (b) separating, in a distillation... | 06/12/1984 |
| 4454318 | Method for producing 4-chloro-5-amino-2-phenyl-3(2H)-pyridazinone from 4,5-dichloro-2-phenyl-3(2H)-pyridazione and ammonia 4-Chloro-5-amino-2-phenyl-3(2H)-pyridazinone is prepared from 4,5-dichloro-2-phenyl-3(2H)-pyridazinone and ammonia in high yield and substantially free from 4-amino-5-chloro-2-phenyl-3(2 H)-pyridazinone in a method comprising reacting 4,5-dichloro-2-pheny... | 06/12/1984 |
| 4454178 | Poly(acetylene) films and their production Poly(acetylene) films are produced by polymerization of acetylene, if appropriate mixed with a di- and/or poly(alkyne), in the presence of an active transition metal catalyst on filaments, fibers, woven or knitted fabrics, nonwovens, laid webs, interlaced... | 06/12/1984 |
| 4453577 | Nozzle with automatic switch-off A nozzle for filling containers with liquid, with automatic closing of the nozzle, when they are full, by means of a flow valve which is controllable by a delivery lever via a detachable connection. The connection is acted upon by a switching device which... | 06/12/1984 |
| 4453683 | Magnetic tape cassette arrangements A cassette system for any type of recording medium in strip or tape form, such as films and magnetic tapes, consists essentially of a housing whose external dimensions match those of a conventional type of cassette, and a protective holder for the recordi... | 06/12/1984 |
| 4451088 | Gaining access to very deep coal seams by carrying explosive in density controlled fluid A process for gaining access to the coal of very deep seams, and for extracting this coal with the aid of a conveying liquid, which is fed to the seams via boreholes and is thence brought back again to the surface with coal which has been detached, wherei... | 05/29/1984 |
| 4450277 | Preparation of 1-substituted imidazoles A process for the preparation of 1-substituted imidazoles by reacting an -dicarbonyl compound with ammonia, an aldehyde and a primary amine in an aqueous medium, in a single stage, at 20°-150° C.... | 05/22/1984 |
| 4449914 | Injection mold with demolding device An injection mold comprising a fixed and a movable mold half and a demolding device for the moldings, which essentially consists of grippers and a kinematic chain, by means of which the opening movement of the mold half is transferable to the holders of t... | 05/22/1984 |
| 4448960 | Dichloroacetamides, herbicides containing acetanilides as herbicidal active ingredients and the dichloroacetamides as antagonists, and the use of these herbicides in controlling undesired plant growth Novel dichloroacetamides of the formula (I) ##STR1## where R1, R2, R3, R4, R5, R6, m, n, p and q have the meanings given in the description. The compounds are antagonists which increase the... | 05/15/1984 |
| 4448761 | Preparation of acicular, ferrimagnetic iron oxides Acicular ferrimagnetic iron oxides are prepared by a process in which iron (III) oxide hydroxide consisting essentially of lepidocrocite is reduced at from 350° to 600° C. by means of an organic compound which is a synthetic polymer with a molecular wei... | 05/15/1984 |
| 4448643 | Isolation of isobutene from C4 -hydrocarbon mixtures containing isobutene A process for isolating isobutene from C4 -hydrocarbon mixtures containing isobutene by reacting the mixture with a primary alcohol in the presence of an acid condensing agent, to form the tertiary ether, separating off the unconverted hydrocar... | 05/15/1984 |
| 4448080 | Process and apparatus for monitoring the formation and propagation of cracks in machine parts and components For the purpose of monitoring the formation and propagation of cracks in machine parts and components, especially in the rotating shafts of prime movers and mechanical equipment, at least one hole is drilled in the uncracked section of the component, this... | 05/15/1984 |
| 4447610 | 10-Substituted 5-cyanomethylene-dibenzo[A,B]-cycloheptenes, their preparations, and therapeutic agents containing these compounds 10-Substituted 5-cyanomethylene-dibenzo[a,d]-cycloheptenes, their pure cis- and trans-isomers, their N-oxides and their pharmaceutically tolerated addition salts with acids, processes for their preparation, therapeutic agents containing these compounds an... | 05/08/1984 |
| 4447538 | Microorganism containing gene for human chorionic somatomammotropin A microorganism containing a recombinant DNA transfer vector having the coding sequences for human chorionic somatomammotropin.... | 05/08/1984 |
| 4447520 | Acylphosphine oxides and their use Acylphosphine oxides of the general formula ##STR1## where R1 is methyl or ethyl, R2 is a branched or straight-chain alkyl radical or chlorine, alkoxy or hydrogen, R3 and R4 are identical or different, and ... | 05/08/1984 |
| 4447448 | Wood preservative A wood preservative comprises a mixture of A. N-cyclohexyl-N-methoxy-2,5-dimethyl-furan-3-carboxamide and B. tris-(N-cyclohexyl-diazeniumdioxy)-aluminum. A process for treating wood with this mixture is also described.... | 05/08/1984 |
| 4447255 | Plant growth regulators New agents for regulating plant growth, especially for reducing the height of plants, containing a mixture of a quaternary substituted thianium or ammonium salt and a phosphonic acid derivative.... | 05/08/1984 |
| 4447356 | Conotoxins The present invention provides bioactive peptides of generic formula ##STR1## These peptides are extremely potent inhibitors of synaptic transmission at the neuromuscular junction, while at the same time lacing demonstrable inhibition of either nerve... | 05/08/1984 |
| 4446277 | Thermoplastic molding material A thermoplastic molding material based on a styrene polymer which has been made impact-resistant, and on a polyphenylene ether, wherein the impact-resistant styrene polymer comprises a soft component which has a mean particle diameter of greater than 0.3 ... | 05/01/1984 |
| 4446089 | Process and apparatus for the production of plastic strands A melt of synthetic material is forced through orifices of a die plate, and the resulting strands of melt are led into a trough, where they travel in counter-current to a stream of cooling water. At the end of the trough, the strands are discharged, for f... | 05/01/1984 |
| 4446253 | Production of fine-celled foams from styrene polymers Fine-celled foams are produced by a process in which a styrene polymer is melted, the melt is mixed with a volatile blowing agent and a nucleating agent under superatmospheric pressure, the mixture is let down to atmospheric pressure, and the foam is cool... | 05/01/1984 |
| 4444942 | Bath composition for cataphoretic electrocoating A bath composition for cataphoretic electrocoating of conductive surfaces contains coating agents which have been rendered soluble or dispersible with acid, contain basic nitrogen groups and carry groups of the general formulae (1) and (11) ##STR1## ... | 04/24/1984 |
| 4444634 | Polyadduct/polycondensate which contains basic nitrogen groups, and its use as electrodepositable coating Polyadducts/polycondensates which can be diluted with water when protonated with an acid and which contain basic nitrogen groups are obtained by the polyaddition reaction of (A) a Mannich base obtained from (a) a monophenol and/or a polyphenol, (b) one or more... | 04/24/1984 |
| 4442306 | Production of tertiary amines Tertiary amines are produced by reacting a secondary amine having identical or different substituents, in particular a readily volatile amine, with a primary or secondary monohydric or polyhydric alcohol, in particular a sparingly volatile fatty alcohol, ... | 04/10/1984 |
| 4442299 | Diepoxycyclohexane derivatives New bromoepoxy-cyclohexenes and their derivatives, which are starting compounds for units used to synthesize natural compounds, e.g. cyclitols or aminocyclitols.... | 04/10/1984 |
| 4442271 | Preparation of propylene homopolymers or copolymers The disclosure is directed to an improvement in the gas phase polymerization of propylene using a Ziegler-Natta catalyst in the presence of hydrogen wherein the gaseous propylene is withdrawn from the reactor, cooled and condensed and returned as a liquid... | 04/10/1984 |
| 4442263 | Thermoplastic molding materials Thermoplastic molding materials contain a copolymer A and a graft copolymer B. The copolymer A is a hard component comprising one or more copolymers of styrene and/or -methylstyrene with from 20 to 40% by weight of acrylonitrile. The graft copolyme... | 04/10/1984 |
| 4442157 | Fireproofing composition and door rabbet coated therewith Heat-foamable fireproofing compositions contain thermosetting phenolic resins, thermally decomposable organic nitrogen compounds, eg. dicyandiamide, an ammonium salt and a carbohydrate or polyhydric alcohol, and on decomposition form a stiff carbonaceous ... | 04/10/1984 |
| 4441130 | Carriage for a scanning head in recording and/or playback apparatus for disk records A carriage for a scanning head in recording and/or playback apparatus for disk records, a first rod-shaped guide member being provided for the support and longitudinal guidance of the carriage, and a second rod-shaped guide member being provided for the t... | 04/03/1984 |
