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| Number | Title | Issue Date |
| 4859796 | Reacting a (meth)acrylic anhydride with a diamine to form a n-dialkylaminoalkyl(meth)acrylamide The present invention relates to a process for the preparation of an N-dialkylaminoalkyl(meth)acrylamide of formula: ##STR1## in which: R1 is a methyl radical or a hydrogen atom, R2 is a straight-chain or branched alkyl group contain... | 08/22/1989 |
| 4857640 | Process and reagent for the determination of -amylase A process and a reagent for the determination of -amylase involve enzymatic splitting of an -amylase substrate in the presence of -glucosidase and ଲ-glucosidase and measurement of a fission product. As substrate, there is used a... | 08/15/1989 |
| 4856515 | Automatic lancet An automatic lancet device comprising a housing with a recess in one side through which a mounting member can move to carry a lancet from a retracted to an operative position, and a finger guard through which or past which the lancet makes its finger pier... | 08/15/1989 |
| 4857298 | I*-diagnostics for monoamine receptors using ergolines Compounds of general Formula I labeled with 121 I, 122 I, 123 I, 124 I, 125 I, 131 I and 132 I isotopes ##STR1## wherein R6 is a C1-6 aliphatic hydrocarbon ... | 08/15/1989 |
| 4857239 | Process for the synthesis of (math)acrylic anhydrides The present invention relates to a process for the synthesis of (meth)acrylic anhydride, according to which (meth)acrylic acid is reacted with acetic anhydride in the presence of at least one polymerization inhibitor, in a reactor surmounted by a distilla... | 08/15/1989 |
| 4855117 | Process for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with elemental sulfur The invention relates to a process for removing sulfur oxides, particularly sulfur dioxide, contained in gases such as industrial fumes, characterized in that the gas is contacted with a solid absorbent containing magnesium oxide, in such conditions that ... | 08/08/1989 |
| 4855381 | Method for the preparation of an organopolysiloxane An organopolysiloxane composed of tetrafuctional siloxane units SiO2 and monofunctional siloxane units R3 SiO0.5 can be prepared by reacting an alkyl orthosilicate, e.g., ethyl silicate, or a partial hydrolysis product the... | 08/08/1989 |
| 4855295 | Tetrahydro-beta-carbolines, and their use as drugs 5,6,7,8-tetrahydro-beta-carbolines derivatives of formula I ##STR1## wherein R1 is an oxadiazolyl radical of the formula ##STR2## COOR3 or CONR4 R5, R2 is H, lower alkyl or cycloalkyl, R | 08/08/1989 |
| 4853436 | Graft polymerization of substituted styrene polymers having pendant vinylidene groups A graft copolymer having a plurality of polymer side chains is disclosed. The starting backbone polymer is a homopolymer or copolymer of a styrene derivative having a pendant vinylidene group on the benzene ring. The graft copolymer may be produced by met... | 08/01/1989 |
| 4853691 | Method of and apparatus for the acoustic signalling of cases of drowning in swimming pools The invention describes a method and apparatus for the acoustic signalling of cases of drowning in swimming pools, to guarantee reliable trigger of the alarm while avoiding any false alarms. This is effected basically by a switching element (1) in a water... | 08/01/1989 |
| 4853038 | Process for the preparation of low viscosity aqueous dispersion of glycerol esters of long-chain fatty acids, and their use The invention relates to the preparation of low-viscosity aqueous dispersions of glycerol esters of long-chain fatty acids by dispersing under mechanical agitation in the aqueous phase, wherein the starting material is constituted by soap-free glycerol es... | 08/01/1989 |
| 4853149 | Heterocyclic liquid crystal compounds Heterocyclic liquid crystal compounds containing the structural element ##STR1## wherein M is H, CN,, NCS, halogen or an alkyl group with 1-5 C atoms, X is CR4 or N, Y is CHR4, O, S or NR5, R4 is H, alkyl with 1-15 C... | 08/01/1989 |
| 4853151 | Dispirotetradecanes Dispirotetradecanes of the formula I ##STR1## wherein R1 and R2 are each independently of each other alkyl containing 1 to 12 carbon atoms wherein one or more non-adjacent CH2 groups may also be replaced by --O--, --C... | 08/01/1989 |
| 4853203 | Ferrierites; their process of manufacture New ferrierites are disclosed as well as their process of manufacture. According to the invention, these new ferrierites are characterized by: (a) The following approximate formula: wherein TIII is at least one element selected from the group formed of b... | 08/01/1989 |
| 4853225 | Process for implanting a medicament depot The invention relates to an implantable medicament depot comprising physiologically acceptable excipients and at least one delayed release active compound which is a chemotherapeutic of the gyrase inhibitor type. The depot can be used for combating infections.... | 08/01/1989 |
| 4850300 | Apparatus for spray coating of vessel mouths with silanes Vessel mouths (1) are provided with a silane coating in order to improve the pouring behavior. For this purpose, there is an apparatus which has, on a rotatable nozzle holder (14), several spray nozzles (16) and blowing nozzles (17) directed tangentially ... | 07/25/1989 |
| 4851352 | Solvent composition for the determination of water by the Karl Fischer method A solvent composition useful for the determination of water by the Karl Fischer method, comprises an ethylene glycol monoalkyl ether and a tetraalkylated ammonium salt.... | 07/25/1989 |
| 4851372 | Glass-ceramic with specific thermal expansion behavior Base-glasses for glass ceramics cotaining h-quartz solid solution crystals, with a maximum relative length variation of 1×10-5 and a linear thermal expansion coefficient less than 0.1×10-6 /K, comprise (in weight percent) 50-65 SiO... | 07/25/1989 |
| 4851568 | Process for the manufacture of dialkylaminoalkyl (meth)acrylates Process for the manufacture of dialkylaminoalkyl (meth)acrylates (I) of formula: R1 being a hydrogen atom or a methyl radical, A being a linear or branched alkyl radical containing 1 to 5 carbon atoms, and R2 and R3, which... | 07/25/1989 |
| 4851590 | Method of purifying 2,4-xylenol 2,4-Xylenol can be obtained in high yield and high purity from a crude 2,4-xylenol isomer mixture containing 2,5-xylenol by selectively reacting the 2,5-xylenol with an aldehyde in the presence of an aromatic sulfonic acid, thereby converting the 2,5-xyle... | 07/25/1989 |
| 4849092 | Process for regenerating a hydrocarbon hydroconversion catalyst The invention concerns a process for regenerating a hydrocarbon hydroconversion catalyst containing a carrier, at least one group VIII noble metal and a halogen or halogenated compound. It is characterized by an operation in two regeneration zones (1) and (2).... | 07/18/1989 |
| 4848358 | Method for examining the vestibular system and a head holder therefor A head holder for holding the head of a human subject while imparting to it an acceleration. The holder comprises a helmet-like member at least partly surrounding subject's head, which helmet-like member is adapted to be set in motion by drive means and i... | 07/18/1989 |
| 4849463 | Masked thioglycolic acid ester stabilizers for vinyl chloride polymers Stabilized compositions containing a polymer of vinyl chloride or the like and at least one primary stabilizer and, as the costabilizer, mercaptals or monothioacetals of thioglycolic acid esters of Formula I and/or II ##STR1## The costabilizers conta... | 07/18/1989 |
| 4846887 | Process for the production of micronized waxes A microwax for use in printing ink and varnish systems is obtained by first spraying a wax melt to obtain a powder comprising substantially spherical particles, and subsequently grinding the powder of spherical particles.... | 07/11/1989 |
| 4847262 | 2-substituted ergolines having neuroleptic and antidepressant activities Novel ergoline derivatives, substituted in the 2-position, of the formula ##STR1## wherein C8 ---C9 and C9 ---C10 each independently is a CC-single or a C.dbd.C-double bond, but not together a cumulated double ... | 07/11/1989 |
| 4847000 | Process for manufacturing synthesis gas or hydrogen by catalytic conversion of methanol in the liquid phase Process for manufacturing synthesis gas or hydrogen by catalytic conversion of methanol in the liquid phase, comprising simultaneously passing methanol (1), a liquid phase of hydrocarbons (6) and optionally water on the catalyst (9).... | 07/11/1989 |
| 4847430 | Process for manufacturing a tertiary alkyl ether by reactive distillation The invention concerns a process for manufacturing methyl tert-butyl ether (MTBE) by reacting methanol with an isobutene-containing hydrocarbon mixture. This process is characterized by the steps of: introducing the reactants into a reaction-distillation zone ... | 07/11/1989 |
| 4846998 | Cyclohexane derivatives Cyclohexane derivatives of the formula I in which R1 and R2 are each an alkyl group having 1-10 C atoms, in which one or two non-adjacent CH2 groups can also be replaced by O atoms and/or --CO-- groups and/or --CO--O-- groups a... | 07/11/1989 |
| 4847431 | Process for manufacturing a tertiary alkyl ether by reactive distillation Process for manufacturing methyl tert-butyl ether (MTBE) by reacting methanol with isobutene-containing hydrocarbons in a reaction zone comprising alternate beds of sulfonated resin catalyst and catalyst-free distillation zones, said zones also comprising... | 07/11/1989 |
| 4845201 | Process for producing organolanthanides, the resultant compounds and their use A process for producing organolanthanides by reaction of a rare-earth metal with an unsaturated compound in an ether medium, the resultant compounds and the use of these compounds in organic synthesis and for catalysis is disclosed. The process is conduct... | 07/04/1989 |
| 4845721 | Solid state laser rods for high power conditions A solid state laser comprises a laser element formed from crystalline, ceramic, glass ceramic, glass, or plastic material in the configuration of a rod or slab. The cooling capabilities of the rods or slabs are improved by the provision of internal bores ... | 07/04/1989 |
| 4842603 | Materials for implantation comprising a polyacrylate containing spherical tricalcium phosphate particles Particles of absorbable filler based on tricalcium phosphate having a particle size between 50 and 300 μm, which predominantly have an approximately spherical shape, are used in materials for implantation, which are based on polyacrylates, for the manage... | 06/27/1989 |
| 4842067 | Process for enhanced recovery of oil from a subsurface reservoir for surfactant flooding A process for enhanced oil recovery from a subsurface reservoir by surfactant flooding useful for surfactant flooding in reservoirs with great temperature fluctuations or a temperature gradient where surfactants soluble in themselves and effective for oil... | 06/27/1989 |
| 4843517 | Film capacitor The dielectric polymeric film in the inventive film capacitor is formed from a cyanoalkyl-containing organopolysiloxane represented by the average unit formula in which R1 is a cyanoalkyl group having 3 to 5 carbon atoms, R2 is a hyd... | 06/27/1989 |
| 4840783 | Process for the production of hydrogen by catalytic reforming of methanol with water vapor The invention relates to a process for the production of hydrogen by catalytic reforming of methanol with water vapor. A mixture of methanol, water and carbon dioxide is passed in contact with a catalyst, containing copper, in a fixed bed, in a catalytic ... | 06/20/1989 |
| 4836281 | Process for improving the gas sweeping of an oil formation, using foams mainly containing surfactants with perfluoric groups The invention concerns an enhanced oil recovery process improving the gas sweeping of an oil formation reservoir comprising at least one injection, through at least one injection well, either simultaneously or separately, of a plug of solution, preferably... | 06/06/1989 |
