Quotables
"There is no likelihood man can ever tap the power of the atom."
Robert Millikan, Nobel Prize winner in physics
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 |
| 7285181 | Bleaching and brightness stabilization of lignocellulosic materials with water-soluble phosphines or phosphonium compounds A method for the bleaching and brightness stabilization of lignocellulosic materials is described. The method involves the treatment of lignocellulosic materials, in particular, (a) wood pulps such as thermomechanical pulps (TMP) and chemithermomechanical pulps (CTM... | 10/23/2007 |
| 7279077 | Method of forming a chemical composition A method of forming a chemical composition such as a chemical hydride is described and which includes the steps of selecting a composition having chemical bonds and which is capable of forming a chemical hydride; providing a source of hydrogen; and exposing the sele... | 10/09/2007 |
| 7235500 | Material for forming silica based film A material for forming a silica based film which enables the production of a silica based film with a reduced etching rate relative to hydrofluoric acid. This material includes a solid fraction containing a film forming component capable of generating a silica based... | 06/26/2007 |
| 7091376 | Method for preparing formylphosphonic acid An improved process for the manufacture of formylphosphonic acid derivatives is reported. An aminomethylphosphonic acid substrate is contacted with a reagent selected from the group consisting of water, an alcohol, a phenol compound, and mixtures thereof and an oxid... | 08/15/2006 |
| 6846681 | Functionalized silicon surfaces The present invention is directed to a silicon substrate having a monolayer formed by an electrochemically-induced reaction between silicon hydride moieties on the silicon surface and optionally substituted alkynes covalently bound to the surface of the silicon subs... | 01/25/2005 |
| 6603032 | 1,2-bis(methyl(1,1,3,3-tetramethylbutyl)-phosphino)ethane, process the preparation thereof, transition metal complexes containing the same as a ligand and uses thereof The present invention provides a novel bisphosphine compound having a chiral center on the phosphorus atom, which is suitable as a ligand for an asymmetric catalyst for use in asymmetric hydrogenation, this bisphosphine compound being represented by the f... | 08/05/2003 |
| 6485986 | Functionalized silicon surfaces The present invention is directed to a silicon substrate having a monolayer formed by an electrochemically-induced reaction between silicon hydride moieties on the silicon surface and optionally substituted alkynes covalently bound to the surface of the s... | 11/26/2002 |
| 6015596 | Fluorine-containing silicon network polymer, insulating coating thereof, and electronic devices therewith A fluorosilicon network polymer prepared by the reaction of a tetraholosilane of the formula 1: SiX4 with an organohologen compound of the formula 2: RZ , an insulating coating prepared therefrom, semiconductor devices coated therewith, and processes for ... | 01/18/2000 |
| 5876586 | Highly conductive polymer composition and method for making A highly conductive polymer is obtained by electrochemically oxidizing a polysilane.... | 03/02/1999 |
| 5679237 | Electrochemical synthesis of transition metal/phosphine catalyst compounds Catalyst compounds comprising at least one transition metal having an oxidation number of 0 or 1 and at least one sulfonated phosphine are electrochemically synthesized, by electrolyzing an aqueous solution catholyte (contained in the cathode compartment ... | 10/21/1997 |
| 5641849 | Method for producing polysilanes The present invention provides a method for producing polysilane characterized in that starting halosilane is subjected to electrochemical reaction using Mg or Mg alloy as anode, lithium salt as supporting electrolyte and aprotic solvent as solvent, there... | 06/24/1997 |
| 5540830 | Method for producing disilanes A method for producing disilane characterized in that halosilane is subjected to electrochemical reaction using Al, Al alloy, Mg, Mg alloy, Cu, Cu alloy, Zn or Zn alloy as anode, lithium salt as supporting electrolyte, Al salt, Fe salt, Mg salt, Zn salt, ... | 07/30/1996 |
| 5538618 | Process for the electrochemical synthesis of organosilicon compounds, and an appliance for carrying out the process, and use thereof for preparing organosilicon compounds A process is described for the electrochemical preparation of organosilicon compounds having at least one SiC-bound organic radical, a solution which contains at least one halosilane being subjected to an electrochemical reaction, an anode which contains ... | 07/23/1996 |
| 5425872 | Electrochemical preparation of addition polymerization catalysts Group 4 metal complexes useful as addition polymerization catalysts are prepared by electrolysis of cyclopentadienyl metal complexes under inert electrolysis conditions.... | 06/20/1995 |
| 5372682 | Electrochemical preparation of addition polymerization catalysts Group 4 metal complexes useful as addition polymerization catalysts are prepared by electrolysis of cyclopentadienyl metal complexes under inert electrolysis conditions.... | 12/13/1994 |
| 4956055 | Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each Ar is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a... | 09/11/1990 |
| 4954227 | Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each AR is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a... | 09/04/1990 |
| 4931154 | Production of metal borohydrides and organic onium borohydrides A process is described for preparing metal borohydrides and onion borohydrides in an electrolysis cell which comprises an anolyte compartment containing an anode and a catholyte compartment containing a cathode, the anolyte and catholyte compartments bein... | 06/05/1990 |
| 4904357 | Production of quaternary ammonium and quaternary phosphonium borohydrides A process is described for preparing quaternary ammonium and quaternary phosphonium borohydrides in an electrolysis cell which comprises an anolyte compartment containing an anode and a catholyte compartment containing a cathode, the anolyte and catholyte... | 02/27/1990 |
| 4834846 | Process for deblocking N-substituted ଲ-lactams This invention relates to a process for preparing ଲ-lactams by electrochemically deblocking N-substituting ଲ-lactams using anodic oxidation.... | 05/30/1989 |
| 4808282 | Alkaline earth metal compounds and alkali metal substances via electrochemical process Included is an invention, which in one aspect, is a process for preparing a product of an alkaline earth metal compound having at least one BVB-heteromoeity and by-product of an alkali metal substance comprising operating an electrochemical cell, said cel... | 02/28/1989 |
| 4758315 | Process for the electrosynthesis of tertiary arylalkylphosphines The process according to the invention is a process for the electrosynthesis of teritary arylalkylphosphines by electrochemical reduction of arylhalophosphines in the presence of aliphatic halides, in an organic solvent medium. The anode, made of a reduci... | 07/19/1988 |
| 4724056 | Pollution-free process for making trialkyl phosphites A pollution-free process for forming trialkyl phosphite by reaction of phosphorus trichloride with alcohol in the presence of a tertiary amine acid acceptor is described in which by-product hydrochloride salt of the acid acceptor is electrolyzed to regene... | 02/09/1988 |
| 4655883 | Process for the preparation of phosphonic acid esters The present invention relates to a new process for the preparation of phosphonic acid esters of the formula I ##STR1## in which Ar denotes phenyl, a binuclear or polynuclear aromatic radical, cycloheptatrienyl, furyl or pyridyl, X denotes (substitute... | 04/07/1987 |
| 4599150 | Preparation of adducts A method of producing an adduct of an organometallic compound M(R1)3 where M is either indium or gallium and (R1)3 represents a plurality of organic radicals which may be the same or different, preferably methyl... | 07/08/1986 |
| 4568432 | Process for preparing glyphosate and glyphosate derivatives A process for preparing glyphosate and derivatives of related structure. A precursor primary or secondary amine, such as glycine, is condensed with a carbonyl compound, such as formylphosphonic acid or its acetals, and the condensation product is reduced ... | 02/04/1986 |
| 4557809 | Electrochemical synthesis of zerovalent transition metal organophosphorus complexes An electrochemical process is provided for the production of a zerovalent metal/organo-phosphorus ligand complex by passing a current through an electrolyte bath which includes a transition metal salt and a trivalent organic phosphorous compound, the impr... | 12/10/1985 |
| 4437949 | Electrolysis of tin complexes A method and apparatus are described for electrolyzing a tin-containing electrolyte using an electrolysis system having at least two immiscible electrolyte phases and wherein the electric current is passed between electrodes respectively disposed solely i... | 03/20/1984 |
| 4338166 | Electrochemical synthesis of organophosphorus compounds A process for the preparation of organophosphorus derivatives of organic hydroxyl or sulfhydryl compounds which includes the step of electrolyzing said organic hydroxyl or sulfhydryl compounds in an electrochemical cell having an anode comprising ferropho... | 07/06/1982 |
| 4337125 | Electrochemical synthesis of organophosphorus compounds from the element A process for the preparation of organophosphorus derivatives of organic hydroxyl or sulfhydryl compounds which includes the step of electrolyzing said organic hydroxyl or sulfhydryl compounds in an electrochemical cell having an anode comprising elementa... | 06/29/1982 |
| 4304642 | Electrochemical additions to alkenes Organic compounds having vicinal functional groups, such as amidothioethers and esterthioethers, are prepared by electrochemically oxidizing an organic disulphide, an organic diselenide, a hexasubstituted organic disilane or a tetrasubstituted organic hyd... | 12/08/1981 |
| 4124456 | Method of tris(perfluoroalkyl)phosphine oxides Novel compounds, viz., tris(perfluoroalkyl)phosphine oxides have the following general formula ##STR1## where RF is a perfluoroalkyl of normal and iso-structure, having from 2 to 8 carbon atoms. The method of preparing said compounds consi... | 11/07/1978 |
