Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8003821 | Bronsted acid compound, manufacturing method of condensation compound, dispersion liquid of condensation compound particles, manufacturing method of electrostatic image developing toner, manufacturing method of binder resin, binder resin, dispersion liquid of resin particles, electrostatic image developing toner, electrostatic image developer, and image-forming method A Brønsted acid is a compound represented by formula (I): wherein n represents an integer of from 1 to 4, RHL('s) each independently represents Cl or F, and R1 represents an alkyl group having from 8 ... | 08/23/2011 |
| 7341817 | Photosensitive composition, compound for use in the photosensitive composition, and pattern forming method using the photosensitive composition A photosensitive composition comprising a compound capable of generating a specific sulfonic acid upon irradiation with actinic rays or a radiation; a compound capable of generating a specific sulfonic acid upon irradiation with an actinic ray or a radiation; and a ... | 03/11/2008 |
| 7083742 | Fluoroiodocarbon blends as CFC and halon replacements A new set of effective, environmentally safe, nonflammable, low-toxicity refrigerants, solvents, foam blowing agents, propellants, and firefighting agents is disclosed. The agents are clean, electrically nonconductive, and have short atmospheric lifetimes, zero ozon... | 08/01/2006 |
| 6956129 | Polyhalogen-substituted cinnamic acids and cinnamic acid derivatives and a process for the preparation of polyhalogen-substituted cinnamic acids and cinnamic acid derivatives Polyhalogenated cinnamic acids and cinnamic acid derivatives are prepared by reacting diazonium salts accessible from polyhalogenated anilines with acrylic acid or acrylic acid derivatives in the presence of a homogeneous, palladium-containing catalyst at about −5... | 10/18/2005 |
| 6235949 | Process for the preparation of halogenated derivatives and Lewis acid base catalysts thereof A process for the preparation of halide compounds, preferably aryl halides, by contacting a gaseous mixture of hydrohalic acid and a compound selected from an aryl halogen formate, an aryl carbonate and equivalents thereof with a Lewis acid catalyst.... | 05/22/2001 |
| 6214435 | Aminium compounds and optical information recording media containing the same A novel aminium compound exhibiting excellent solubility for solvents and high safety in terms of handling and environment is provided. An aminium compound represented by the following formula (1): ##STR1## wherein R1 represents substituted or unsub... | 04/10/2001 |
| 6201149 | Organic base hydrogenofluorosulphonates, their use in releasing organic bases from their fluorohydrate, method of preparation thereof, compound containing them The invention features the use of fluorosulphonates to release the organic bases from their fluorohydrate. This use is characterised in that a hydrogenofluorosulphonate of an organic base is formed and in that the hydrofluoric acid which is associated wit... | 03/13/2001 |
| 6169194 | High surface density covalent immobilization of oligonucleotide monolayers using a 1-(thiotrifluoroacetato)-11-(trichlorososilyl)-undecane linker Oligonucleotides and other biomolecules are immobilized in high density on solid substrates through covalent forces using either a permanent thioether bond, or a chemoselectively reversible disulfide bond to a surface thiol. Substrates which have hydroxyl... | 01/02/2001 |
| 6118016 | Process for preparing phenoxyphenylsulfonyl halides A process for preparing phenoxyphenylsulfonyl halides, which are useful intermediates for the preparation of matrix metalloproteinase inhibitors.... | 09/12/2000 |
| 6031126 | Process A process for the production of a fluorescent whitening agent of formula: ##STR1## in which X and Z are as defined herein, comprising A) rearranging a hydrazobenzene compound having the formula: ##STR2## in which Z is as defined herein, to produ... | 02/29/2000 |
| 5929270 | Process for preparing distyrylbiphenyl compounds A process is provided for the production of compounds having the formula: ##STR1## in which R is hydrogen, C1 -C5 alkyl, cyano or halogen; M is hydrogen or a salt-forming colorless cation; and n is 2; which process comprises reductiv... | 07/27/1999 |
| 5756000 | Perfluoro(alkoxycycloalkane)carbonyl fluoride compositions and their use This invention provides perfluoro(alkoxycycloalkane) carbonyl fluoride compounds wherein, pendant from the fluorinated ring, are from 2 to 5 perfluoroalkoxy groups having from 1 to 4, preferably 1 to 2, carbon atoms with the proviso that when one or more ... | 05/26/1998 |
| 5659074 | Herbicide intermediates Compounds of the formula: ##STR1## wherein R is CH2 X or CHX2 and X is chloro or bromo and R1 is chloro, bromo or nitro which are useful as intermediates for preparing herbicidal 2-(2'-substituted)-4'-(alkylsulfo... | 08/19/1997 |
| 5648522 | Process for the synthesis of fluorinated sulphonic acids Process for the preparation of a fluorinated sulphonic acid compound by hydrolysis of a corresponding fluorinated sulphonyl fluoride, wherein the hydrolysis is carried out in the presence of a tertiary amine, comprising steps of recovering a mixture of a ... | 07/15/1997 |
| 5637763 | Process for the preparation of substituted benzenes and benzene sulfonic acid and derivatives thereof and a process for the preparation of N,N'-substituted ureas A process for the preparation of substituted benzenes or benzenesulfonic acid and its derivatives comprising diazotisation of an aminobenzene or ortho-amino-benzenesulfonic acid derivative followed by homogeneous palladium-catalyzed coupling with an olefi... | 06/10/1997 |
| 5487846 | Rust inhibitor A general-purpose organic rust initiator which can effectively prevent corrosion of metals comprising a compound of formula (1): ##STR1## wherein R1 is a perfluoroalkyl group having 1 to 6 carbon atoms; R2 is a hydrogen atom or ... | 01/30/1996 |
| 5286901 | Prescursors for and synthesis of mono- and difunctionalized acetylenes and difunctional 1,3-diynes Precursors and methods for the synthesis of mono- and difunctionalized acetylenes are described. The invention includes novel tricoordinate iodonium transfer reagents and novel alkynyldi(phenyliodonium) salts, both of which are precursors for the function... | 02/15/1994 |
| 5206427 | Process for the preparation of aromatic (di)chlorosulphonic acids and (di)bromosulphonic acids Aromatic (di)chlorosulphonic acids and (di)bromosulphonic acids can be prepared by reacting aromatic sulphonic acids with chlorine or bromine respectively, the reaction advantageously being carried out in the melt of the aromatic sulphonic acids.... | 04/27/1993 |
| 5145991 | Distyrylbiphenyl compounds Distyrylbiphenyl compounds of formula ##STR1## wherein R1, R3, R6 and R7 are halogen, hydrogen, C1 -C4 alkyl or cyano, and M.sym. is a salt-forming cation, are used as fluor... | 09/08/1992 |
| 5105006 | Phosphonium salts The invention is a novel phosphonium salt, useful as an initiator or catalyst in the reaction of oxirane groups in an epoxy resin with aromatic carbonate and/or ester linkages in monomeric, oligomeric, or polymeric carbonates, esters, or estercarbonates.... | 04/14/1992 |
| 5068405 | Famotidine intermediates and their preparation Halogenated N-sulfamyl propionamidine addition salts corresponding to the formula ##STR1## are provided, in which X represents halogen and A represents an acid selected from sulfuric acid, nitric acid, benzenesulfonic acid; toluenesulfonic acid;... | 11/26/1991 |
| 5045632 | Novel bis(phosphoranylidene) ammonium salts The invention is a novel bis(phosphoranylidene) ammonium salt useful as an initiator/catalyst in the reaction of oxirane groups in an epoxy resin with aromatic carbonate and/or ester linkages in monomeric, oligomeric, or polymeric carbonates, esters, or e... | 09/03/1991 |
| 4983773 | Preparation of bis-(4-chlorophenyl) sulfone Bis-(4-chlorophenyl) sulfone is prepared by reacting chlorobenzene with sulfuric acid at from 200° to 250° C. by a process in which a condensing agent is added.... | 01/08/1991 |
| 4925595 | Liquid detergent compositions containing disulfonated fluorescent whitening agents: di-styryl-biphenyl or di-styryl-benzene derivatives Liquid detergent compositions which are stable on storage and contain fluorescent whitening agents from the class of the disulfonated distyrylbiphenyl and distyrylphenyl compounds; they do not produce bleach spots on direct contact with textile fabric. So... | 05/15/1990 |
| 4873020 | Fluorochemical surfactants and process for preparing same Fluorochemical surfactant compositions are provided. The compositions comprise a fluorochemical amine salt which can be represented by the formula: ##STR1## wherein Rf is a perfluoroaliphatic radical containing 3 to 20 carbon atoms, R... | 10/10/1989 |
| 4873027 | Fluoroalkylaryliodonuim compounds Fluoroalkylaryliodonium compounds having the formula (I): ##STR1## wherein AR, A and Rf are as defined above, are disclosed. The fluoroalkylaryliodonium compounds of the present invention are useful as intermediates for producing N-fluoroalkylaniline... | 10/10/1989 |
| 4424170 | Halostilbene sulfonates useful as starting materials for making fluorescent whitening agents of the 4,4'-distyrylbiphenyl series The invention relates to stilbene compounds of the formula ##STR1## wherein X is halogen, R is hydrogen, --SO3 M, halogen, C1 -C4 alkyl or C1 -C4 alkoxy and M is hydrogen or a salt-forming cation... | 01/03/1984 |
| 4366079 | Sulfonated rubrene and aqueous chemiluminescent compositions containing the same Water-soluble sulfonated rubrenes are used as fluorescer components in water-soluble chemiluminescent mixtures and particularly in combination with a water-soluble amide of oxalic acid which reacts with hydrogen peroxide to produce chemiluminescence.... | 12/28/1982 |
| 4338258 | Fluorescent dyestuffs, processes for their preparation and their use as laser dyestuffs Fluorescent dyestuffs of the general formula ##STR1## wherein R and R1 independently of one another represent hydrogen, a salt-forming cation, an alkyl radical with 1 to 16 C atoms or an aryl or aralkyl radical which is optionally substitu... | 07/06/1982 |
| 4327036 | Chlorination process Process for nuclear chlorination of non-phenolic aromatic compounds, said process comprising contacting and reacting a non-phenolic aromatic compound having a net Hammett ς value of about -0.1 to about 2.0 with chlorine monoxide in the presence of at lea... | 04/27/1982 |
| 4285885 | Novel distyrylbenzene containing sulfonic acid groups The bis-styrylbenzene of the formula ##STR1## and the alkali metal, alkaline earth metal, ammonium and amine salts thereof, a process for its production and a method of whitening organic material which comprises the use of this compound.... | 08/25/1981 |
| 4283349 | Novel oxiodinium and thiaiodinium compounds Novel oxiodinium and thiaiodinium compounds having a superior inhibitory effect against micro-organisms coupled with outstanding stability and low toxicity are described.... | 08/11/1981 |
| 4261916 | Sulph(on)ation process An orifice plate mixer for mixing 2 fluids has an axial orifice perpendicular to the plate through which bore a first fluid passes and a port in the internal wall of the orifice through which the second fluid passes. The mixer can impart high turbulence t... | 04/14/1981 |
| 4226796 | Sulph(on)ation process Sulph(on)ation of organic feedstocks is performed with undiluted sulphur trioxide in a recycle loop reactor in which the feedstock is diluted with its recycled sulph(on)ation product, contact of the feedstock and sulphur trioxide occurs under conditions o... | 10/07/1980 |
| 4147648 | Brightening compositions A brightening composition consisting of a mixture of brighteners and 0 to 99.995% by weight of a commercially available washing agent, said mixture containing at least two brighteners of the formula ##STR1## in which A and B independently of one anot... | 04/03/1979 |
| 4142060 | Telomerization process using sulfonated triarylphosphine and transition metal A process for the telomerization of dienes with a telomerizing compound containing a mobile hydrogen atom is disclosed wherein the reaction between the diene and the telomerizing agent is effected in the presence of a catalytic system comprising a water-s... | 02/27/1979 |
| 4075238 | Polyhalobenzylic disulfooxonium compounds Polyhalobenzylic disulfooxonium compounds are produced by the reaction of aromatic methyl, halomethyl or hydroxymethyl substituents with sulfur trioxide. The disulfooxonium salts are readily converted to alcohols by hydrolysis to provide monomers for the ... | 02/21/1978 |
| 4014644 | Tolane compounds New tolane compounds, a novel process for their manufacture as well as their use as optical brighteners for high-molecular organic materials, particularly polyamides and cellulose are disclosed.... | 03/29/1977 |
| 3984399 | Bis-stilbene compounds The present invention provides the new bis-stilbene compounds, which are useful as optical brighteners and correspond to the formula in which X represents a diphenyl residue bound in positions 4 and 4' to the =CH-- groups; R1 and R2 indep... | 10/05/1976 |
| 3959340 | Cyano-distyrylbenzenes The invention concerns new asymetrical distyrylbenzenes and a process for their preparation, these compounds having the formula ##SPC1## Wherein R1 and R2 can be identical or different from one another and denote hydrogen, chlorine o... | 05/25/1976 |
