Quotables
"Man will not fly for 50 years."
Wilbur Wright ; 1901
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 |
| 6673955 | Preparation of triethyl phosphate The invention relates to a process for preparing triethyl phosphate by reacting phosphorus oxychloride with a greater than stoichiometric quantity of ethanol under reduced pressure at temperatures of from 0 to 50° C. in a reaction vessel, wherein a) ... | 01/06/2004 |
| 4939285 | Process for the preparation of metal salts of phosphoric and phosphonic acid esters Metal salts of phosphoric and phosphonic acid esters of formula ##STR1## wherein R is C1 -C4 alkoxy or straight chain or branched unsubstituted C1 -C20 alkyl or C2 -C6 alkenyl, R1 | 07/03/1990 |
| 4927929 | Melamine salts of alkyl acid phosphates Melamine salts of alkyl acid phosphates are produced by reacting melamine with an alkyl acid phosphate where the alkyl group may be about C1 -C20. The salts are suitable for use as flame retardants for synthetic polymers.... | 05/22/1990 |
| 4866193 | Purification of phosphorous acid esters Process for the purification of phosphoric acid partial ester mixtures in which, after the addition of a basic, non-volatile inorganic or organic compound, the unreacted fatty alcohol is directly removed from the partial ester mixture by distillation.... | 09/12/1989 |
| 4824955 | Selenium oxy chloride-pyridine or bipyridine complexes This invention relates to the novel selenium compounds which are useful as an antineoplastic agent. The compounds are represented by the general formula (I): wherein R, X, A and Y represent the groups specified below, a represents a number of 0 or 1, b re... | 04/25/1989 |
| 4822529 | Antistatic agents for synthetic fibers and methods of producing same Antistatic agents for synthetic fibers comprising a specific type of quaternary ammonium alkyl phosphate as principal constituent and 1 weight percent or less of by-product alkali metal halides have improved antistatic characteristics both in high and low... | 04/18/1989 |
| 4727177 | Quaternary ammonium alkyl phosphates and method for producing same Antistatic agents for synthetic fibers comprising a specific type of quaternary ammonium alkyl phosphate as principal constituent and 1 weight percent or less of by-product alkali metal halides have improved antistatic characteristics both in high and low... | 02/23/1988 |
| 4724174 | Applications for hydrophobic organo aluminum compounds Organometallic compounds and compositions comprising a metal, an amido carboxyl moiety bonded to the metal, and active moiety bonded to the metal, and at least one modifier moiety sufficient to satisfy the valency of the metal. These compounds and composi... | 02/09/1988 |
| 4722805 | Multifunctional corrosion inhibitors Corrosion inhibitors for ferrous metals are provided which afford protection from general corrosion and cracking-type corrosion, which inhibitors are reaction products of acylated polyamines and phosphate esters.... | 02/02/1988 |
| 4723016 | Preparation of anhydrous organic acid salts One-step process for preparing anhydrous, organic acid alkali or alkaline earth metal salts by contacting and reacting an organic or polymeric acid fluoride, anhydride or ester and an organic alkali or alkaline earth metal silanolate.... | 02/02/1988 |
| 4675422 | Organometallic compounds Organometallic compounds and compositions comprising a metal, an amido carboxyl moiety bonded to the metal, an active moiety bonded to the metal, and at least one modifier moiety sufficient to satisfy the valency of the metal. These compounds and composit... | 06/23/1987 |
| 4659848 | Titanium compositions A new organotitanate which is a reaction product of a titanium orthoester and at least a monoalkyl phosphate in which the alkyl group contains up to 6 carbon atoms and in which the total molar ratio P:Ti in the product is less than 2. The monoalkyl phosph... | 04/21/1987 |
| 4511738 | Process for preparing phosphine oxides A phosphine sulfide derivative is chlorinated and hydrolyzed with little pollution problem to give the corresponding phosphine oxide derivative.... | 04/16/1985 |
| 4456554 | Ammonium compounds Ammonium compounds of the formula ##STR1## in which R and R1 designate C1 -C21 -alkyl or C2 -C21 -alkenyl, R' designates hydrogen or C1 -C4 -alkyl, R2 designates C | 06/26/1984 |
| 4435186 | Alcohol fuels containing wear-inhibiting amounts of reaction products of amines and phosphate esters of phosphonic acids A novel fuel composition contains ethanol or gasohol plus, as a wear-inhibiting additive, a quaternary ammonium reaction product of an amine ##STR1## typically bis(2-hydroxyethyl)cocoamine and a phosphate, or phosphonic acid, typically dilauryl ... | 03/06/1984 |
| 4433975 | Cationic fluorescent whitening agents Cationic fluorescent whitening agents of the formula ##STR1## wherein B is a fluorescent whitening agent containing basic tertiary amino groups, m is the number of basic amino groups, and each of R1, R2 and R3 is alky... | 02/28/1984 |
| 4432886 | Cationic fluorescent whitening agents Cationic fluorescent whitening agents of the formula ##STR1## wherein B is a fluorescent whitening agent containing basic tertiary amino groups, m is the number of basic amino groups, and each of R1, R2 and R3 is alky... | 02/21/1984 |
| 4430453 | Polyurethane foams suitable for high frequency welding and process for producing the same This invention relates to polyurethane foams capable of being welded by high frequency welding and a process for producing the same, characterized by the addition of certain ammonium salts of acids containing phosphorus to the starting components for the ... | 02/07/1984 |
| 4421936 | Continuous alkoxidation process A continuous process for producing alkali metal alkoxides comprising continuously introducing an aqueous solution of an alkali metal hydroxide into an upper section of a column reactor; continuously vaporizing an alkanol or an alkoxyalkanol of 4 to 18 car... | 12/20/1983 |
| 4410466 | Process for extractively separating a mixture containing phosphoric acid monoalkylesters into its components The invention relates to a process for separating a mixture containing phosphoric acid monoalkylesters, phosphoric acid dialkylesters and minor proportions of diphosphoric acid dialkylesters, each with 6 to 12 carbon atoms in the alkyl radical, by extract... | 10/18/1983 |
| 4384121 | Cationic fluorescent whitening agents Cationic fluorescent whitening agents of the formula ##STR1## wherein B is a fluorescent whitening agent containing basic tertiary amino groups, m is the number of basic amino groups, and each of R1, R2 and R3 is alky... | 05/17/1983 |
| 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 |
| 4334095 | Extraction of organic acids from aqueous solutions Organic acids, such as citric acid, malic acid and lactic acid, can be extracted from aqueous solutions thereof by contacting such solutions with a mixture of a water immiscible amine and a water immiscible organic acid dissolved in a suitable water immis... | 06/08/1982 |
| 4289634 | Deposit control additives and fuel and lube oil compositions containing them Combination deposit and rust control additives for internal combustion engines are provided which maintain cleanliness of intake systems without contributing to combustion chamber deposits and corrosion. The additives are salts of hydrocarbyl oxyacid este... | 09/15/1981 |
| 4288392 | Process for the preparation of dialkyl phosphoric acids This application is directed to a process for preparing dialkyl phosphoric acid, preferably di(2-ethylhexyl) phosphoric acid. This latter material is used in uranium extraction from wet-process phosphoric acid as a kerosine solution along with a synergist... | 09/08/1981 |
| 4259078 | Heat-stable quaternary ammonium compounds for fiber lubricating For fiber dressing an antistatic, heat-stable fiber lubricating agent, which contains a compound of the formula ##STR1## in which R1 denotes a C8 -C22 alkyl or alkenyl group, R2 denotes a C8 -C | 03/31/1981 |
| 4256672 | Process for the preparation of phosphoric esters and thiophosphoric esters Disclosed is a process for the preparation of an ester compound selected from phosphoric esters and thiophosphoric esters which comprises reacting a hydroxyl-containing organic compound with phosphorus oxychloride or phosphorus thiochloride in the presenc... | 03/17/1981 |
| 4217410 | Silver halide color photographic light-sensitive materials with phosphate solvent A silver halide color photographic light-sensitive material which comprises a support and at least one silver halide emulsion layer on said support, wherein at least one of said emulsion layers contains a hydrophobic phenol type or naphthol type cyan dye ... | 08/12/1980 |
| 4197350 | Quaternized amine-amide condensation products and their use in oil-containing fiber preparations Quaternized amine-amide condensation products which are obtained by condensation of an amine of the formula with a lower alkanecarboxylic acid, and subsequent quaternization with a trialkyl phosphate. These products are suitable as fiber preparation agent... | 04/08/1980 |
| 4163018 | Process for preparing metal salts of alkyl phosphates A process for preparing metal salts of alkyl phosphate of either one of the formulae: ##STR1## WHICH COMPRISES REACTING AN ALKYL PHOSPHATE OF EITHER ONE OF THE FORMULAE: ##STR2## in the form of its alkali metal salt with a metal salt of the form... | 07/31/1979 |
| 4126650 | Synthesis of mono-alkyl acid phosphates with high mono-content Mono-alkyl acid phosphates having the formula: ##STR1## wherein R is straight or branched alkyl having from 1 to about 25 carbon atoms, are prepared by reacting alcohol with P2 O5. The process involves suspension of P2 | 11/21/1978 |
| 4115483 | Process for preparing mono-alkyl acid phosphates having high mono-content and light color Mono-alkyl acid phosphates having the formula: ##STR1## wherein R is straight or branched alkyl having from 1 to about 25 carbon atoms, are prepared by reacting alcohol with P2 O5 in the presence of tetrasodium pyrophosphate and... | 09/19/1978 |
| 4032603 | Production of phosphorus oxy compounds A process for the purification of a phosphorus oxy compound selected from the group consisting of phosphoric, phosphonic and phosphinic acid esters and phosphine oxides, comprising mixing the impure phosphorus oxy compounds with an oxidizing agent, subseq... | 06/28/1977 |
| 3996341 | Process for purifying trioctyl phosphate and use therefor Process for purifying trioctyl phosphate containing emulsifier impurities comprising alkali metal salts of dioctyl phosphoric acid and monooctyl phosphoric acid by contacting the trioctyl phosphate with a mineral acid to neutralize the emulsifier impuriti... | 12/07/1976 |
| 3943204 | Method for improving the extraction properties of a tributyl phosphate solution A method for improving the extraction properties of a tributyl phosphate extractant used for reprocessing irradiated nuclear reactor fuel (Purex Process) containing degradation products of tributyl phosphate by contacting the extractant with diazomethane ... | 03/09/1976 |
