Celebrity Inventors
Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7576242 | Process for the preparation of organic salts containing bis(perfluoroalkyl) phosphinate anions The invention relates to a method for the production of organic salts containing bis(perfluoroalkyl)phosphinate anions. According to said method, a tris(perfluoroalkyl)phosphine oxide is reacted with an alcohol and an organic base, which is stronger than the alcohol... | 08/18/2009 |
| 7378194 | Materials useful as electrolytic solutes The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide such as (FX | 05/27/2008 |
| 7285673 | Process for fluoro derivative-substituted aryl pnictogens and their oxides A process to prepare substituted aryl pnictogen derivatives comprising contacting a fluoropolyether or fluoroalkyl primary bromide or iodide, with a pnictogen derivative such as triaryl phosphine, triaryl arsine, or triaryl stibine or triaryl phosphine oxide, triary... | 10/23/2007 |
| 7230136 | Process for preparing tertiary phosphines The invention relates to a process for synthesizing tertiary phosphines by reacting halophosphines with organomagnesium compounds in the presence of copper compounds and optionally of salts. ... | 06/12/2007 |
| 7223879 | Ligands for metals and improved metal-catalyzed processes based thereon One aspect of the present invention relates to ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions. ... | 05/29/2007 |
| 7208633 | Process for preparation of diphosphine compounds and intermediates for the process A production method of a compound represented by the formula wherein R1a, R1b, R1c, R1d, R1e, R1f, R2a, R2b, R2c,... | 04/24/2007 |
| 7198712 | Processing for eliminating sulfur-containing compounds and nitrogen-containing compounds from hydrocarbon For desulfurization and, if necessary, for denitrification of hydrocarbon fractions the hydrocarbon mixture is brought into contact with a non-aqueous ionic liquid of general formula Q+A−, wherein Q+ is a ammonium, phosphonium or s... | 04/03/2007 |
| 7094328 | Strong acids, process for the preparation thereof, and uses thereof The present invention relates to acids of the general formula [I], [RyPF6-y]−H+ [I], where y=1, 2 or 3, and in which the ligands R may be identical or different and R is a perfluorinated C1-8-alkyl or aryl gro... | 08/22/2006 |
| 7026498 | Ligands for metals and improved metal-catalyzed processes based thereon One aspect of the present invention relates to novel ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming react... | 04/11/2006 |
| 7019173 | Fluorine compound and fluorinating agent comprising the compound A fluorine compound represented by Formula (1) is provided. The above fluorine compound is effective for introducing a fluorine atom into a compound having an active group such as an oxygen-containing functional group, and it can be used for uses of surface treatmen... | 03/28/2006 |
| 6956127 | Alkyl group VA metal compounds Disclosed are methods of preparing monoalkyl Group VA metal dihalide compounds in high yield and high purity by the reaction of a Group VA metal trihalide with an organo lithium reagent or a compound of the formula RnM1X3−n, where ... | 10/18/2005 |
| 6946560 | Ligands for metals and improved metal-catalyzed processes based thereon One aspect of the present invention relates to novel ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in transition metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming react... | 09/20/2005 |
| 6939983 | Alkyl group VA metal compounds A method of preparing Group VA organometal compounds in high yield and high purity by the reaction of a Grignard reagent with a Group VA metal halide in certain ethereal solvents is provided. A method of preparing Group VA organometal hydrides is also provided. ... | 09/06/2005 |
| 6924389 | Method for producing diphosphines and the use thereof Diphosphine of formula I R1R2P—H2C—Ar—CH2PR1R2  (I) are prepared by a process that comprises a) reacting a dimethyl compound of formula II H3C—Arâ€... | 08/02/2005 |
| 6919291 | Fluorinated zwitterionic cocatalyst activators for olefin polymerization Zwitterionic compositions of matter comprising cations [Ct]+ and anions connected together with substantially rigid fluorinated linking groups are described. These zwitterionic compositions serve as cocatalysts. They activate olefin polymerization catalys... | 07/19/2005 |
| 6893774 | Fluoroalkylphosphate salts, and process for the preparation of these substances Fluoroalkylphosphate salts of Formula I, described herein, are suitable for use, alone or in mixtures with, e.g., other salts, in electrolytes, primary batteries, secondary batteries, capacitors, supercapacitors or galvanic cells. ... | 05/17/2005 |
| 6841301 | Fluoroalkyl phosphates for use in electrochemical cells The present invention relates to fluoroalkyl phosphates, to a process for the preparation, and to their use as conductive salts in batteries, capacitors, supercapacitors and galvanic cells. ... | 01/11/2005 |
| 6841304 | Materials useful as electrolytic solutes The invention concerns novel ionic compounds with low melting point whereof the onium type cation having at least a heteroatom such as N, O, S or P bearing the positive charge and whereof the anion includes, wholly or partially, at least an ion imidide such as (FX | 01/11/2005 |
| 6727390 | Fluorous phosphines and phosphine oxides A method of increasing the fluorous nature of a compound includes the step of reacting the compound with or tagging the compound with at least one of a second compound having the formula: wherein R is an alkyl group or a... | 04/27/2004 |
| 6605736 | Process for the preparation of condensed phosphoric esters A condensed phosphoric ester having a very low content of volatile components is provided by a process including a first step of reacting a phosphorus oxytrihalide with a bisphenol-based compound to prepare a phosphorohalidate; a second step of removing u... | 08/12/2003 |
| 6590125 | Blue light-emitting polymer prepared using a fluorinated tetraphenyl monomer and an EL device manufactured using the polymer A light-emitting polymer and its preparation method, the polymer being excellent in electron injection and transport ability as well as hole injection and transport ability in an EL device, the EL device manufactured from the polymer being also emittable ... | 07/08/2003 |
| 6590100 | Process for preparing a polyaromatic compound The present invention provides a process for preparing a polyaromatic compound comprising at least one sequence of two aromatic rings. The process of the invention, which consists in reacting an aromatic compound bearing a leaving group and an arylboronic acid... | 07/08/2003 |
| 6548708 | Preparation of biphosphine ligands for incorporation into catalytic complexes This invention relates to processes for making phosphorus compounds R2 P--X--PR2, R2 P--M, R2 P--L and R3 P, and the novel cation R2 P+ (L)--X--P+ (L)R2, where R... | 04/15/2003 |
| 6538115 | Phosphorus supported carbene transition metal complexes The present invention relates to novel complexes of (transition) metals containing ligands having phosphorus centers supporting a carbene atom or heteroalkane radical bonded to the (transition) metal.... | 03/25/2003 |
| 6534684 | Tris[(1H,1H,2H,2H-perfluoroalkyl) aryl]phoshites and catalytic uses thereof A method for preparing tris[(1H,1H,2H,2H-perfluoroalkyl)aryl]phosphites consists in preparing a grignard reagent from an alkoxyhalogenobenzene, then reacting it with a iodo-1H,1H,2H,2H-perfluoroalkane; transforming the alkoxy function of (1H,1H,2H,2H,2H-p... | 03/18/2003 |
| 6509100 | Fluorinated hydrogn bond stabilized surface modifying agents, articles made therefrom, methods for making and using the same The present invention discloses hydrogen bond stabilized surface modifying agents having a fluorinated or semi-fluorinated carbon-containing tail group, an internal moiety capable of intermolecular hydrogen bonding or related acid-base interactions and a ... | 01/21/2003 |
| 6437187 | Compounds having an ionic structure used as constituent of an olefin polymerization catalyst Novel chemical compounds have an ionic structure and in combination with an organometallic transition metal compound form a catalyst system which is advantageously used for the polymerization of olefins.... | 08/20/2002 |
| 6380277 | Iodonium salt photoinitiators containing urethane groups for cationic curing The present invention relates to iodonium salts containing urethane groups of reduced crystallization tendency, to a process for their preparation, and to their use for the radiation curing of cationically curing compositions.... | 04/30/2002 |
| 6331532 | Mitochondrially targeted antioxidants The invention provides mitochondrially targeted antioxidant compounds. A compound of the invention comprises a lipophilic cation covalently coupled to an antioxidant moiety. In preferred embodiments, the lipophilic cation is the triphenyl phosphonium cati... | 12/18/2001 |
| 6306555 | Iodonium salts as latent acid donors Radiation-sensitive compositions comprising (a1) a cationically or acid-catalytically polymerisable or crosslinkable compound or (a2) a compound that increases its solubility in a developer under the action of acid; and (b) at least one diaryliodonium salt of ... | 10/23/2001 |
| 6235727 | Sulfonylaminophosphinic and sulfonylaminophosphinic acid derivatives, methods for their preparation and use Compounds of the formula I ##STR1## are suitable for the production of pharmaceuticals for the prophylaxis and therapy of disorders in the course of which an increased activity of matrix-degrading enzymes is involved.... | 05/22/2001 |
| 6225504 | Phosphanes, their method of production and use in metal complexes A process for the preparation of the formula Ar13-x P[(Ar2 (OZ)y ]x I wherein Ar1 and Ar2 are individually aromatic of 6 to 20 carbon atoms or heteroaromatic of 4 to 9 carbon atoms, each ... | 05/01/2001 |
| 6211397 | Process for the preparation of -chloromethylene-triorganylphosphorane derivatives A process for the preparation of -chloromethylene-triorganylphosphorane derivatives I ##STR1## (radicals R are C-organic substituents and A stands for CN or CO-B where B is a C-organic or O-organic radical which is inert under chlorination con... | 04/03/2001 |
| 6210830 | Lithium fluorophosphates and their use as conducting salts The invention relates to novel lithium fluorophosphates of the general formula Li+ [PFa (CHb Fc (CF3)d)e ]-, (I) wherein a is 1, 2, 3, 4 or 5, b is 0 or 1, c is 0, 1, 2 or 3, d... | 04/03/2001 |
| 6169179 | Method for manufacturing (3S,4R)-4-[(R)-1'-formylethyl]azetidin-2-one derivatives A method for manufacturing (3S,4R)-4-[(R)-1'-formylethyl]azetidin-2-one derivatives represented by formula (3) wherein R1 represents a hydrogen atom or a protective group, through asymmetric hydroformylation of 4-vinylazetidin-2-one represented... | 01/02/2001 |
| 6075154 | Method of preparation of 2,2'-bis(diarylphosphino)-6,6'-bis(trifluoromethyl)-1,1'-biphenyl, transition metal complex using it as ligand, and optically active 3-hydroxybutanoic acid ester derivative or ଲ-butyrolactone A novel phosphine compound usable as a catalyst in various asymmetric synthetic reactions is disclosed. The compound is a 2,2'-bis(diarylphosphino)-6,6'-bis(trifluoromethyl)-1,1'-biphenyl of (1): ##STR1## where R is a phenyl group or a phenyl group s... | 06/13/2000 |
| 6040461 | Synthesis of 3-epi vitamin D3 metabolites and analogs The invention relates to a process for the preparation of vitamin D3 compounds of formula I. ##STR1## Wherein A is a single or a double bond; B is a single, cis-double, trans double or a triple bond; R1 and R2 are ind... | 03/21/2000 |
| 6020528 | Alkylphenylbisacylphosphine oxides and photoinitiator mixtures Compounds of the formula I ##STR1## in which R1 is C1 -C4 alkyl, R2 is hydrogen, C1 -C4 alkyl or C1 -C4 alkoxy and R3, R4, R5, R | 02/01/2000 |
| 5969195 | Hydrolysis of alkyl monohalides A process for hydrolyzing alkyl monohalides comprises using activated carbon impregnated with alkali metal hydroxide or alkaline earth metal hydroxide in the presence of water and converting the alkyl monohalides virtually quantitatively into the correspo... | 10/19/1999 |
| 5945521 | Preparation of phosphorothioate oligomers Methods and intermediates for the preparation of oligomers containing diastereomerically enriched phosphorothioate linkages are disclosed.... | 08/31/1999 |
