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| Number | Title | Issue Date |
| 6399611 | Arylalkylpyridazinones Aralkylpyridazinone derivatives of the formula I ##STR1## and their physiologically acceptable salts in which R1, R2, R3, R4, R5 and Q have the meanings indicated in claim 1, show inhibition of phosphodies... | 06/04/2002 |
| 6225490 | Continuous hydrolysis of organochlorosilanes For the continuous hydrolysis of organochlorosilane, a reaction system comprising at least three stages of hydrolysis is used. Each stage includes a reactor and a phase separator wherein hydrolysis is effected to form a hydrolysis mixture which is separat... | 05/01/2001 |
| 6143278 | Topical application of opioid analgesic drugs such as morphine The invention is directed to methods and pharmaceutical compositions for the topical administration of opioid analgesic drugs such as morphine. In particular, the invention relates to topical administration of an opioid analgesic agent, e.g., morphine sul... | 11/07/2000 |
| 6140524 | Method for preparing a short-chain polysulfide silane mixture A mixture of short-chain polysulfide silanes of the formula: (RO)3 SiC3 H6 Sn C3 H6 Si(OR)3 wherein R is methyl or ethyl and n is a positive number having a distribution whose average... | 10/31/2000 |
| 6090966 | Preparation of contract mass for alkylhalosilane production and process for producing alkylhalosilanes Alkylhalosilanes are produced by first fluidizing a metallic silicon powder with an inert gas, preheating the silicon powder at a temperature between 200° C. and a steady reaction temperature while keeping the silicon powder fluidized, adding a copper ca... | 07/18/2000 |
| 6077966 | Preparation of water-soluble organic silicon compounds Water-soluble organic silicon compounds are prepared by effecting co-hydrolysis of (A) 1-30 parts of an alkyltrialkoxysilane of R1 Si(OR2)3 or a partial hydrolyzate thereof, (B) 70-90 parts of an alkoxy-containing siloxane... | 06/20/2000 |
| 6063361 | Cascade polymer complexes, process for their production and pharmaceutical agents containing said complexes Cascade polymer complexes having a complexing ligand with at least two different reproduction units and having a complexing agent which is a macrocyclic group having an amide grouping or a linear DTPA-type group having a linkage to the polymer through the... | 05/16/2000 |
| 6034922 | Ultrasonic processes and circuits for performing them A process for selective graphic representation and/or evaluation of the Doppler spectrum of objects limitedly resistant to sonic intensity, for example biological organs and tissues, by an ultrasonic process wherein a material is introduced in the examina... | 03/07/2000 |
| 5976404 | Supertwist liquid-crystal display Supertwist liquid-crystal displays having excellent properties are obtained if the nematic liquid-crystal mixture comprises at least one compound of the formula I ##STR1## and at least one compound of the formula I' ##STR2## in which Alkeny... | 11/02/1999 |
| 5955045 | Removal of nitrogen oxides from gases For selectively removing nitrogen oxides from a carrier gas that contains hydrocarbons, the nitrogen oxides are removed by chemisorption on metal oxides, without the occurrence of undesirable secondary reactions. The metal oxides are preferably formed fro... | 09/21/1999 |
| 5915951 | Process for catalytic combustion of a fuel in the presence of a non-selective oxidation catalyst Processes for the catalytic combustion of hydrocarbons, carbon monoxide, hydrogen, or mixtures thereof (processes with one or more catalytic stages) and processes of abating the pollution produced by the exhaust gases of vehicles that run on natural gas u... | 06/29/1999 |
| 5858571 | Method of producing hydrogen absorbing alloy powder, and electrode using hydrogen absorbing alloy powder produced by said method A method of producing a hydrogen absorbing alloy powder, which comprises a step of treating a pulverized hydrogen absorbing alloy with a solution comprising a conjugated unsaturated compound having at least 5 conjugated π bonds and a molecular weight of ... | 01/12/1999 |
| 5841498 | Liquid crystal display devices having a parallel electric field and ଲO, which is not 0 degrees or 90 degrees An electro-optical display device comprising a liquid crystal layer achieves switching using an electric field component which is predominantly parallel to the surface of the liquid crystal layer. Low dependence of image contrast on viewing angle is achie... | 11/24/1998 |
| 5705169 | Ketotricyclo .5.2.1.0! decane derivatives The invention relates to ketotricyclo5.2.1.0!decane derivatives of the formula I ##STR1## wherein Phe is a phenylene group which is unsubstituted or substituted by 1 to 4 hydroxyl, alkyl or alkoxy groups having 1 to 10 C atoms, and their preparatio... | 01/06/1998 |
| 5676923 | Substituted DTPA monoamides of the central carboxylic acid group and their metal complexes Diethylenetriaminepentaacetic acid monoamide derivatives, their complexes and complex salts, containing an element of atomic numbers 21-29, 31, 32, 39, 42-44, 49 or 57-83, pharmaceutical agents containing these compounds, their use as contrast media and p... | 10/14/1997 |
| 5637257 | Fluoro-chloro-benzene derivatives Disclosed are compounds of formula I ##STR1## wherein R is C1-12 -alkyl or halogenoalkyl wherein one or two non-adjacent CH2 groups are optionally replaced by --O--, A is ##STR2## Q is a bivalent radical of formula (2), and... | 06/10/1997 |
| 5607577 | Prevention of sulfur gas emissions from a rotary processor using lime addition Oil sand is treated to prevent the production of sulfur dioxide ("SO2 ") from a known rotating kiln-type processor. Lime or calcium oxide ("CaO") is added with the oil sand feed to the kiln. In the kiln, the CaO is mixed with the sulfur-contain... | 03/04/1997 |
| 5562763 | Process for the preparation of composite pigments The invention relates to a process for the preparation of composite pigments containing a substrate having an average diameter of 3-200 μm as support for small organic or inorganic pigment particles having an average diameter of less than 1 μm, characte... | 10/08/1996 |
| 5548006 | Silicone rubber compositions An addition curing type silicone rubber composition comprising an aliphatic unsaturated group-containing organopolysiloxane, an organohydrogenpolysiloxane and a platinum series catalyst is further blended with a triazine or sulfide control agent to provid... | 08/20/1996 |
