"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7354771 | Method of determining absolute configuration of chiral compound The absolute configuration of a chiral compound is determined by (i) coordinating the chiral compound to a metalloporphyrin having a carbon chain-crosslinked porphyrin dimer structure in which one of the two porphyrin rings has at least one ethyl or substituent bulk... | 04/08/2008 |
| 7348426 | Substituted bicyclic heterocycles, process for their preparation and their use as antiobesity and hypocholesterolemic agents The present invention relates to novel antiobesity and hypocholesterolemic compounds, their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their pharmaceutically acceptable salts, their pharmaceutically acceptable solvates... | 03/25/2008 |
| 7303852 | Photoacid generating compounds, chemically amplified positive resist materials, and pattern forming method The invention provides a high-resolution resist material comprising an acid generator that has high sensitivity and high resolution with respect to high-energy rays of 300 nm or less, has small line-edge roughness, and is superior in heat stability and in shelf stab... | 12/04/2007 |
| 7176307 | Organometal complex, electroluminescence material using the complex, and electroluminescence element using the complex Organometal complexes which are obtainable with a good yield by using a ligand which can be easily synthesized are provided. The organometal complexes are excellent in heat resistance. An electroluminescence element having high light emission efficiency is manufactu... | 02/13/2007 |
| 7041390 | Organometal complex, electroluminescence material using the complex, and electroluminescence element using the complex Organometal complexes which are obtainable with a good yield by using a ligand which can be easily synthesized are provided. The organometal complexes are excellent in heat resistance. An electroluminescence element having high light emission efficiency is manufactu... | 05/09/2006 |
| 6921824 | Ruthenium dimeric complexes suitable as antimetastatic and antineoplastic agents New ruthenium dimeric complexes with high antimetastatic and antitumour activity and remarkable chemical stability are described. ... | 07/26/2005 |
| 6686458 | Synthetic molecules that specifically react with target sequences The present invention features biarsenical molecules. Target sequences that specifically react with the biarsenical molecules are also included. The present invention also features kits that include biarsenical molecules and target sequences. Tetraarsenic... | 02/03/2004 |
| 6545147 | Bleaching-active metal complexes Compounds of the formula I [Ln Mm Xp ]Z Yq (1) are claimed, where L is a ligand of the formula II ##STR1## and the individual symbols have the meanings defined in the description. The metal complexes are ... | 04/08/2003 |
| 6528648 | Detecting reagent for double-stranded nucleic acid and double-stranded nucleic acid detecting method The present invention provides a novel detecting reagent for double-stranded nucleic acid, and a method of using it to detect double-stranded nucleic acid formed by hybridization with a probe, with absolutely no labeling of the target nucleic acid. The de... | 03/04/2003 |
| 6518428 | Process for preparing amine platinum complexes The present invention relates to the area of platinum drugs. In particular, it relates to an improved process for preparing platinum complexes having the general formula (Ia) or (Ib): as defined of herein, ##STR1## comprising: 1a) a first step, wherein [P... | 02/11/2003 |
| 6369223 | Asymmetric cycloaddition reactions The present invention relates to a process for stereoselective cycloaddition reactions which generally comprises a cycloaddition reaction between a pair of substrates, each either chiral or prochiral, that contain reactive π-systems, in the presence of a... | 04/09/2002 |
| 6268357 | Organic vanadium (III) complexes and their use Organic complexes of vanadium are provided, having the general structure VL3, where V is vanadium(III) and L is a monoprotic bidentate ligand that forms a five-membered, unsaturated vanadium containing ring, having vanadium coordinating oxygen ... | 07/31/2001 |
| 5616750 | Compounds and process A compound of formula (I): ##STR1## n which M is a transition metal ion; A is a counter-ion if required; r, s and t are independently 0 to 3 such that r+s+t is in the range of 1 to 3; Ra, Rb, Rc are each independently hydr... | 04/01/1997 |
| 5602236 | Metal-containing steroid mimics and ligands useful in the preparation thereof Metal-containing steroid mimic complexes are provided. Compositions containing a metal ion incorporated into a steroid skeleton structure and ligands useful in the preparation of such compositions are also provided. The metal ion is preferably a radionucl... | 02/11/1997 |
| 5567815 | Teritary amine containing antonic initiators used in preparing polymers and process for the preparation thereof An anionic initiator system formed by the reaction product of: (1) an organolithium compound with (2) the reaction product of (a) a secondary amine and (b) diisopropenyl benzene, initiates polymerization to produce a polymer containing tertiary amine func... | 10/22/1996 |
| 5532373 | Aluminate complex and use thereof in photopolymerizable composition and image-forming material An aluminate complex represented by formula (I): ##STR1## with the groups in the aluminate complex as defined in the specification, and which is capable of radical generation upon photoexcitation; a photopolymerizable composition comprising an ethyle... | 07/02/1996 |
| 5439668 | Heterocyclic chelating agents Heterocyclic chelating agents and salts thereof of formula I: ##STR1## wherein X represents a bond, O or S, or a group CHR1 or NR3, each R1 represents H, a group OR3 or NR3 R3, or an a... | 08/08/1995 |
| 5420099 | Sulfanomide herbicides A compound having the formula ##STR1## wherein A is CR7 ; and R1 through R7 are substituents such as hydrogen, halogen, branched and straight chain hydrocarbons, cyclic hydrocarbons, aromatics, and sulfur and nitrogen... | 05/30/1995 |
| 5349062 | Substituted naphtho[1,8-de:5,4-d'e']bis[1,3]thiazines, process for their preparation and the use thereof Compounds of formula I ##STR1## wherein X1 and X2 are each independently of the other O, S or Se, and R1 and R2 are each independently of the other a monovalent radical of an aliphatic or aromatic hydrocarb... | 09/20/1994 |
| 5306600 | Oxygen-containing titanocenes, and the use thereof Titanocenes of the formula I ##STR1## in which R1 are cyclopentadienyl.crclbar. groups and R2 and R3 are aromatic radicals which are substituted in both ortho-positions by fluorine and, in addition, are su... | 04/26/1994 |
| 5252734 | Antibacterial 5-alkylquinolonecarboxylic acids Antibacterial 5-alkylquinolonecarboxylic acids of the formula ##STR1## in which R3 is C1 -C4 - alkyl, R1 is optionally substituted alkyl or cycloalkyl, alkenyl, alkoxy, amino or alkylamino or optionally substitu... | 10/12/1993 |
| 5248683 | Benzo-1,2,3-thiadiazole derivatives Compounds of the formula ##STR1## in which A1 and A2 independently of one another are CO--C1 -C4 alkyl, COO--C1 -C4 alkyl, CO--CF3, CO--N(R)2 or cyano; A1 | 09/28/1993 |
| 5216134 | Spectrofluorometric method and compounds that are of value for the method A chelate formed between Eu3+, Tb3+, Dy3+ and Sm3+ and a compound having the formula ##STR1## where A1-6 are single carbon or nitrogen atoms; n=1 or 2; R1-6 is nothing when A is a nitr... | 06/01/1993 |
| 5202337 | 7-(2,7-diazabicyclo[3.3.0]octyl)-3-quinoline- and -naphthyridone-carboxylic acid derivatives The invention relates to new 7-(2,7-Diazabicyclo[3.3.0]octyl)-3-quinolone- and -naphthyridonecarboxylic acid derivatives, processes for their preparation, and antibacterial agents and feed additives containing them.... | 04/13/1993 |
| 5192642 | Oxygen-containing titanocenes, and the use thereof Titanocenes of the formula I ##STR1## in which R1 are cyclopentadienyl.crclbar. groups and R2 and R3 are aromatic radicals which are substituted in both ortho-positions by fluorine and, in addition, are su... | 03/09/1993 |
| 5134238 | Chiral copper amine complexes Disclosed herein is a class of chiral copper-amine complexes of the formula R(L*) CuLi in which L* is selected from: ##STR1## In this formula, R is a transferable ligand, which can be alkyl, aryl or aralkyl. M is a metal ion such as Li, Na, K, Cs, Rb... | 07/28/1992 |
| 5081142 | Derivatives of 1-hydroxy-1,2,4-triazole and fungicides and growth regulators containing them Compounds of the formula I ##STR1## where Ar is unsubstituted or substituted phenyl, pyridyl, thienyl or napthyl, R1 is hydrogen or CN, R2 is unsubstituted or substituted aryl, hetaryl, alkyl or cycloalkyl, or is unsubstituted o... | 01/14/1992 |
| 5015762 | Aralkylphenylureas and herbicides containing these Aralkylphenylureas of the formula ##STR1## where R1 and R2 are hydrogen, alkoxy or unsubstituted or substituted alkyl, cycloalkyl, alkenyl or alkynyl, or R1 and R2 together are unsubstituted or substituted ... | 05/14/1991 |
| 4959135 | Polyalkylamine complexes for ligand extraction and generation Methods and apparatus for the extraction of a ligand such as molecular oxygen from a first fluid environment and for release of a ligand such as molecular oxygen, as well as ligand carrier compounds therefor comprising linear, pentadentate polyalkylamines... | 09/25/1990 |
| 4952289 | Macrocyclic amine complexes for ligand extraction and generation Methods and apparatus for electrochemical extraction of a ligand such as molecular oxygen from a first fluid environment and for release of a ligand such as molecular oxygen, as well as ligand carrier compounds therefor comprising macrocyclic amines havin... | 08/28/1990 |
| 4937338 | Pigments Pigment of the general formula: f.Het (I) where F is the cation of a cationic dye which has an absorption maximum at >700 nm and may or may not contain anionic groups and Het is an anion of a heteropolyacid based on tungsten, molybdenum, vanadium or a mixture ... | 06/26/1990 |
| 4921955 | Process for the synthesis of 1-substituted imidazole-5-carboxylic acids and carboxylic acid derivatives The invention relates to a process for the preparation of 1,5-disubstituted imidazoles of the formula ##STR1## by alkylation of an N-cyanoformamidine of the formula II X--NH--CH.dbd.N--CH (II) to form an N,N-disubsti... | 05/01/1990 |
| 4921317 | Infrared absorbent comprising a metal complex compound containing two thiolato bidentate ligands The present invention relates to a metal complex compound useful in an infrared absorbent prepared by coordinating two bidentate ligands of the following formula (iii): ##STR1## wherein R1 and R2 each independently represents a ... | 05/01/1990 |
| 4875928 | Substituted azolylcyclopropyl-azolylmethyl-carbinol derivatives Substituted azolylcyclopropyl-azolylmethyl-carbinol derivatives of the formula ##STR1## in which Ar is optionally substituted aryl or optionally substituted heteroaryl, R is hydrogen, alkyl, alkenyl, alkinyl, trialkylsilyl, optionally substitute... | 10/24/1989 |
| 4851549 | Pigments Pigments of the general formula where F is the cation of a cationic dye which has an absorption maximum at >700 nm and may or may not contain anionic groups and Het is an anion of a heteropolyacid based on tungsten, molybdenum, vanadium or a mixture of th... | 07/25/1989 |
| 4764632 | Multifunctional amino zirconium aluminum metallo organic complexes useful as adhesion promoter This invention relates to novel compositions of matter which are multifunctional amino zirconium aluminum metallo organic complexes which are comprised of a chemically united complex aluminum moiety, a tetravalent zirconium moiety, and a multifunctional a... | 08/16/1988 |
| 4725305 | N'-(substituted-1,3,5-triazin-2-yl)-N"-subs tituted-N",N"'-bis-(substituted-benzenesulphonyl)-guanidines as herbicides Herbicidally active novel N,N'-bis-sulphonyl guanidines of the formula ##STR1## in which M is hydrogen, a metal or an ammonium radical, and R4, R5, R40 and R41 are various organic radicals.... | 02/16/1988 |
| 4656310 | Substituted triarylphosphonium derivatives Novel 9-phenyl 5,6-dimethyl-nona-2,4,6,8-tetraenoic acid,- tetraenal or tetraenol derivatives useful as anti-tumor agents.... | 04/07/1987 |
| 4515954 | Metal chelates of anthracene-9,10-bis-carbonylhydrazones This disclosure describes metal chelates of anthracene-9,10-bis-carbonylhydrazones and derivatives thereof useful as antibacterial agents, for inhibiting the growth of transplanted mouse tumors, and for inducing the regression and/or palliation of leukemi... | 05/07/1985 |
| 4500569 | Palladium (II) bis (hexafluoroacetylacetonate), adducts derived therefrom and uses thereof Preparation of palladium(II) bis(hexafluoroacetylacetonate) and adducts derived therefrom are disclosed, said adducts having the formula wherein L is a Lewis base selected from certain classes, and n is an integer from 1 to 4. These compounds are useful in pre... | 02/19/1985 |