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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7267970 | Production of gluconate salts A method for producing substantially pure ammonium gluconate or metal gluconate that includes separating reagents for reuse from the enzymatically converted gluconate by ultrafiltration. ... | 09/11/2007 |
| 7125498 | Oxygen-absorbing compositions and method An oxygen-absorbing composition including iron and a soluble tartrate. A method of absorbing oxygen from a closed environment including the steps of providing an oxygen-absorbing composition containing iron and a tartrate, injecting water into the composition, and p... | 10/24/2006 |
| 6255510 | Production of aromatic carboxylic acids and recovery of Co/Mn catalyst from ash Cobalt and/or manganese is recovered from the ash obtained following incineration of the catalyst containing residue arising from the liquid phase oxidation of an aromatic carboxylic acid such as terephthalic acid. Recovery is effected by contacting the a... | 07/03/2001 |
| 6019955 | Active nickel hydroxide material having controlled water content An nickel hydroxide positive electrode active material which can be made by an ultrasonic precipitation method. The nickel hydroxide active material is characterized by the composition: ##EQU1## where x, the number of water ligands surrounding each N... | 02/01/2000 |
| 6020294 | Automatic dishwashing compositions comprising cobalt chelated catalysts Automatic dishwashing detergent compositions comprising certain cobalt catalysts are provided. More specifically, the invention relates to automatic dishwashing detergents which provide enhanced cleaning/bleaching benefits (especially tea stain removal) t... | 02/01/2000 |
| 5850086 | Iron complexes for bleach activation and stereospecific oxidation A bleach and oxidation catalyst is provided comprising a catalytically active iron complex which can activate hydrogen peroxide or peroxy acids, for example.... | 12/15/1998 |
| 5739367 | Cobalt catalyst A process for preparing a cobalt (III) complex is described which comprises: (i) treating a divalent cobalt salt of formula CoII X2/n where n is the valency of an anion X, with up to 15 molar equivalents of ammonia or an amine; (ii) ... | 04/14/1998 |
| 5728854 | Method for separating iron from nickel and/or cadmium from a waste containing the same A method for separating iron for nickel and/or cadmium contained in a battery waste is composed of a first step in which the spent batteries are crushed and calcined. The calcined pieces are mixed with an acetic acid aqueous solution before acetic acid an... | 03/17/1998 |
| 5705464 | Automatic dishwashing compositions comprising cobalt catalysts Automatic dishwashing detergent compositions comprising certain cobalt catalysts are provided. More specifically, the invention relates to automatic dishwashing detergents which provide enhanced cleaning/bleaching benefits (especially tea stain removal) t... | 01/06/1998 |
| 5703030 | Bleach compositions comprising cobalt catalysts Bleach compositions comprising certain carboxylate-containing cobalt catalysts are provided. More specifically, the invention relates to automatic dishwashing detergents and laundry compositions which provide enhanced cleaning/bleaching benefits (especial... | 12/30/1997 |
| 5614653 | Solubilization of boric acid The present invention is directed to methods for solubilizing boric acid to produce liquid, boron-containing solutions. In these methods, boric acid is added to a previously formed solution of a metal ion and ligand. The ligand must be capable of both com... | 03/25/1997 |
| 5583243 | Salts of alpha-hydroxy aliphatic carboxylic acids and uses thereof Novel salts are prepared wherein the cation of the salt is a divalent or trivalent cation which is an essential trace element comprising a 1:1 ratio of a complex ion formed between a trace mineral and methionine and any suitable anion, either inorganic or... | 12/10/1996 |
| 5338473 | Aqueous beta cobaltous hydroxide and method for making Beta cobaltous hydroxide is synthesized by decomposing the complex formed between cobaltous ions and a suitable complexing agent under hydrothermal conditions. Cobaltous ion and complexing agent are combined in an aqueous medium, wherein the molar ratio o... | 08/16/1994 |
| 5326891 | Hydrophobicized double layer hydroxide compounds Novel hydrophobicized double-layer hydroxide compounds, processes for their production by reaction of double-layer hydroxides with aliphatic mono- and/or dicarboxylic acids, and their uses as alkoxylation catalysts for compounds containing active H atoms ... | 07/05/1994 |
| 5278329 | L-form 1:1 metal methionine complexes Substantially pure 1:1 L-form transition metal methionine complex salts are formed. The preferred transition metals are zinc, chromium, manganese and iron. Salts are formed by reaction with pure L-form methionine. As a result, dosages for supplementation ... | 01/11/1994 |
| 5220045 | Process for the production of metal carboxylates and their use for the polymerization of monomers suitable for Ziegler-Natta polymerization Metal carboxylates which may be used for the polymerization of monomers suitable for Ziegler-Natta polymerization are prepared by reaction of the organic C2-20 carboxylic acids on which the carboxylates are based with ammonia and/or amines and/... | 06/15/1993 |
| 5124465 | Aluminum alkyls and linear 1-olefins from internal olefins Linear 1-olefins are prepared from internal olefins by (i) reacting them in the presence of an isomerization catalyst and a tri-lower alkyl aluminum so as to cause the internal olefin to isomerize to 1-olefins which displace the lower alkyl groups to form... | 06/23/1992 |
| 5107006 | Clathrate compounds of nuclear-substituted salicyclic acid salts The clathrate compound according to the present invention which comprises, as host crystals, crystals of a polyvalent metal salt of a specific nuclear-substituted salicylic acid or a hydrate thereof and, as a gest molecule, an organic compound having 1 to... | 04/21/1992 |
| 5041573 | Optically active carboalkylated amino alcohols and their utilization in optical resolution A carboalkylated amino alcohol having each of the below shown formulae is novel and optically active. A separating agent comprising the alcohol and a support is effectively useful to separate a variety of racemates for example with chromatography. The alc... | 08/20/1991 |
| 4921986 | Method and apparatus for producing cobalt acetate from cobalt chip Cobalt acetate solution is produced by flowing a circulating oxygen-containing stream of dilute acetic acid solution containing initially about 20% free acid through a bed of cobalt chips and adding dilute acetic acid solution and introducing additional o... | 05/01/1990 |
| 4910175 | Catalyst recovery Recovery of cobalt and manganese catalyst from oxidation process, by precipitation with oxalic acid and alkali metal hydroxide, followed by oxidation of the precipitate in acetic acid to form cobalt and manganese acetate.... | 03/20/1990 |
| 4908462 | Cobalt recovery method A cobalt recovery method wherein cobalt ions are selectively shifted into an extraction agent mainly composed of either 2-ethyl hexylphosphonate mono-2-ethyl hexylester or di-2 ethyl hexylphosphate in order to extract and separate the cobalt from a soluti... | 03/13/1990 |
| 4824611 | Preparation of hydrocarbon-soluble transition metal salts of organic carboxylic acids A process for preparing hydrocarbon-soluble transition metal salts of organic carboxylic acids having improved properties wherein the transition metal is one capable of having a multiplicity of oxidation states is described. The process comprises the step... | 04/25/1989 |
| 4723992 | Fixation of arsenic in soil The present invention represents compositions for the fixing of pentavalent arsenic, e.g., arsenates and arsenic acid, generally spread in the soil. The fixation is so carried out that the arsenic cannot be further spread, not even after an eventual furth... | 02/09/1988 |
| 4705876 | Process for preparing powder-like iron-sodium tartrate complex A process for preparing a powder-like iron-sodium tartrate complex useful for the preparation of a solvent for cellulose which comprises reacting a salt of trivalent iron with sodium tartrate or primary sodium tartrate or a mixture thereof in an aqueous m... | 11/10/1987 |
| 4678854 | Cobalt complexes and their use as nutritional supplements Complex salts of cobalt useful for nutritional supplementation to provide cobalt in a form which effectively increases the bioavailability of cobalt, assuring adequate dietary requirement for growth and production of vitamin B12 by microorganis... | 07/07/1987 |
| 4657956 | Compounds useful as stabilizing agents for rubber vulcanizates Additives for rubber compositions, giving vulcanizates having improved retention of optimum physical properties, are compounds having the formula R--S--B--S--R where B is an organic bridging group and R is an electron-withdrawing group, for example CN, CC... | 04/14/1987 |
| 4546202 | Process for the recovery of cobalt and manganese from oxidation residue incinerator ash, pyrolysis sand and pyrolysis char A process for the recovery of cobalt and manganese from solid aromatic acid oxidation incinerator ash, pyrolysis sand and pyrolysis char is disclosed. The process comprises heating the solid residue at a temperature of about 120° to about 300° C. and a ... | 10/08/1985 |
| 4490297 | Method for the recovery and reuse of cobalt and/or manganese components of catalysts A process is provided for the recovery and recycling of spent cobalt and/or manganese catalysts used in the air oxidation of alkyl aromatics in acetic acid. The catalysts are isolated in the form of oxalates of extremely low solubility from the acetic aci... | 12/25/1984 |
| 4438038 | Process for the production of oil-soluble metal salts Oil-soluble metal salts are produced by the reaction of a polyvalent metal, such as nickel or cobalt, with an organic monocarboxylic acid in the presence of an alkali metal salt catalyst, water, oxygen, and an inert, water-immiscible organic solvent.... | 03/20/1984 |
| 4425278 | Complex compounds, process for their preparation, and their use A complex compound of a metal salt or metalloid salt and an ansolvo-acid or proton-acid, of the general formula I in which M is a m-valent cation of a metal or metalloid, a metal-oxy or metal-dioxy cation or a hydrogen atom, X is a n-valent anion of a n-basic ... | 01/10/1984 |
| 4410705 | Novel spiro oxazoline compounds and methods for their preparation and use A process for preparing substituted or unsubstituted benzoxazoline compound by reacting ammonia, a cycloalkanone and oxygen in the presence of metal cations.... | 10/18/1983 |
| 4405757 | Macromolecular complexes of amidocarbonylic water-soluble polymers and square planar platinous and equivalent organometallics Unique, valuable and multifariously utile macromolecular complexes are comprised of: (i) non-ionic, amidocarbonylic, water-soluble polymers (and, for some embodimental purposes, the monomeric precursor(s) thereof), including such known materials as (poly)... | 09/20/1983 |
| 4404408 | Complexed compounds, processes for their manufacture and their use Metal or metalloid salts, ansolvo-acids and proton-acids can be so complexed with 1,2,3-triols, glycerol ethers or glycerol thioethers containing at least 6 C atoms in the molecule that they are in the form of compositions which are soluble in organic sol... | 09/13/1983 |
| 4404146 | Metal oxyalkylates and method of making same Metal oxyalkylates are made by reacting a metal, a carboxylic acid, and hydrogen peroxide in aqueous reaction mixture. The metal oxyalkylate is precipitated and removed from the reaction mixture in high yield and with high purity. The compound is effectiv... | 09/13/1983 |
| 4390473 | Recovery of rhodium and cobalt low pressure oxo catalyst Disclosed is a process for recovering rhodium and cobalt from a low pressure oxo catalyst solution containing ligandized (modified) rhodium and cobalt, organic solvent, and at least trace amounts of oxo aldehyde, which comprises contacting the catalyst so... | 06/28/1983 |
| 4388227 | Intercalation of graphitic carbon fibers The formation of improved intercalated graphitic carbon fibers of further diminished electrical resistivity (i.e., increased electrical conductivity) is made possible. Not only is the specific electrical resistivity of the resulting fibers reduced (e.g., ... | 06/14/1983 |
| 4351814 | Hydrotalcites having a hexagonal needle-like crystal structure and process for production thereof Fibrous hydrotalcites having a hexagonal needle-like crystal structure. The fibrous hydrotalcites are produced by contacting a basic magnesium compound having a needle-like crystal structure and expressed by the following formula (2) wherein An... | 09/28/1982 |
| 4337208 | Process for the production of oil-soluble metal salts Oil-soluble metal salts are produced by the reaction of a polyvalent metal, such as nickel, with an organic monocarboxylic acid in the presence of an ammonium salt catalyst, water, oxygen, and an inert, water-immiscible organic solvent.... | 06/29/1982 |
| 4328379 | Homologation process Disclosed is an improved process for the homologation of alkanols to obtain the next higher alkanol homolog by the cobalt-catalyzed reaction of an alkanol reactant with carbon monoxide and hydrogen under homologation conditions. The improvement comprises ... | 05/04/1982 |