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| Number | Title | Issue Date |
| 6720352 | Compositions and process for nematode control Chemical compositions having superior nematicidal properties are formulated. The compositions contain one or more selected aldehydes as the major component and one or more aliphatic or cyclic isothiocyanates as a minor component. Preferred mixtures contain furfural ... | 04/13/2004 |
| 5059288 | Recovery of isopropyl acetate and ethanol from an isopropyl acetate, ethanol and water-containing stream High purity isopropyl acetate and ethanol are recovered from a process stream containing isopropyl acetate, ethanol and water by a multiple step process including extracting substantially all of the ethanol from the stream using water as a solvent, stripp... | 10/22/1991 |
| 4675305 | Alkylation aide for sulfuric acid catalyzed alkylation units Hydrocarbon alkylation processes which are catalyzed by acids are promoted by the addition of an alkylation promoter which is a combination of a new carboxylic acid having the structural formula ##STR1## wherein R, R1 and R2 are... | 06/23/1987 |
| 4665261 | Hydrocarbon conversion process using a molten salt A process for converting low molecular weight gases such as methane and natural gas to higher hydrocarbons by means of a molten salt containing a synthesizing contact agent. The gas is contacted with a molten salt containing a metal, the oxide of which is... | 05/12/1987 |
| 4654451 | Inhibiting polymerization of vinyl aromatic monomers Vinyl aromatic compounds are stabilized against undesired polymerization by adding to the vinyl aromatic compounds small amounts of mixtures of alkyl-substituted p-nitrosophenols and p-nitrosophenol.... | 03/31/1987 |
| 4654450 | Inhibiting polymerization of vinyl aromatic monomers Vinyl aromatic compounds are stabilized against undesired polymerization by adding to the vinyl aromatic compounds small amounts of a N,N-dialkylhydroxylamine and an alkyl benzene sulfonic acid.... | 03/31/1987 |
| 4650918 | Alkylation aide for sulfuric acid catalyzed alkylation units Hydrocarbon alkylation processes which are catalyzed by acids are promoted by the addition of an alkylation promoter which is a combination of a new carboxylic acid having the structural formula ##STR1## wherein R, R1 and R2 are... | 03/17/1987 |
| 4647633 | Polymerization process The hydrocarbon fluid friction reducing properties of copolymers of two or more alpha-monoolefins having 2 to about 30 carbon atoms is improved by copolymerizing the monomers in the liquid state by means of a Ziegler catalyst and a two-component activator... | 03/03/1987 |
| 4642221 | Method and composition for inhibiting corrosion in aqueous heat transfer systems Corrosion of metal surfaces in cooper or copper alloy cooling water systems is inhibited by the addition of small amounts of aromatic triazoles and iminodicarboxylic acids or derivatives thereof to the cooling water system.... | 02/10/1987 |
| 4637824 | Paint detackification method Paint spray booth wastes which have been collected in a water wash are easily detackified and removed from the wash water by adjusting the pH of the wash water to a pH of about 7.0 to 12.0 with an alkali metal silicate and contacting the paint wastes in t... | 01/20/1987 |
| 4629572 | Paint detackification method Paint spray booth wastes from clear oil-based coating compositions, such as lacquers, which have been collected in a water wash are easily detackified and removed from the wash water by contacting the wastes in the wash water with (1) a water-dispersible ... | 12/16/1986 |
| 4628132 | Composition and method for inhibiting formation of polymers during gas scrubbing of monomers A method for inhibiting polymerization of vinyl monomers includes contacting the monomer to be protected with a polymerization inhibiting composition for vinyl monomers comprising an aqueous solution of a dialkyl amine of the formula RR'NH, dialkylhydroxy... | 12/09/1986 |
| 4611073 | Preparation of higher silicon carboxylates in improved yields using an inert gas Silicon tetracarboxylates of higher acids are prepared by contacting silicon tetracarboxylates of lower fatty acids with higher fatty acids at a temperature sufficiently high to vaporize the lower fatty acid by-product. The reaction may be carried out in ... | 09/09/1986 |
| 4609747 | Novel water-soluble antimony compounds and their preparation Novel organic water-soluble antimony compounds are prepared by reacting an alkoxyalkylamine with a hydroxycarboxylic acid to form an intermediate product and then reacting the intermediate product with an antimony oxide. These compounds are useful for use... | 09/02/1986 |
| 4595772 | Novel water-soluble antimony compounds and their preparation Novel organic water-soluble antimony compounds are prepared by reacting an alkanolamine with a hydroxycarboxylic acid to form an intermediate product and then reacting the intermediate product with an antimony oxide. These compounds are useful for use as ... | 06/17/1986 |
| 4595771 | Water-soluble antimony compounds and their preparation Novel organic water-soluble antimony compounds are prepared by reacting ammonia or an alkylamine with a hydroxycarboxylic acid to form an intermediate product and then reacting the intermediate product with an antimony oxide. These compounds are useful fo... | 06/17/1986 |
| 4575455 | Process for removing hydrogen sulfide with reduced fouling A gas scrubbing operation wherein a mixture of gases is scrubbed with a gas scrubbing medium to remove at least one gas component from the mixture is improved by reducing the fouling of apparatus used in the scrubbing operation by adding to the scrubbing ... | 03/11/1986 |
| 4556476 | Method for minimizing fouling of heat exchanger Hydrocarbon processing equipment is protected against fouling during the processing of hydrocarbons at elevated temperatures by adding to the equipment small amounts of mixtures of N,N'-dimer of phenothizine or substituted phenothiazine and one or more N,... | 12/03/1985 |
| 4547202 | Hydrocarbon oils with improved pour points Hydrocarbon oils containing, as a pour point depressant, a copolymer of an alkyl acrylate, the alkyl group of which contains about 12 to 40 carbon atoms and an vinylidene olefin having about at least 16 carbon atoms, the copolymer having a weight average ... | 10/15/1985 |
| 4544794 | Alkylation aide for sulfuric acid catalyzed alkylation units The efficiency of acid catalyzed alkylation of alkanes with olefins is improved by conducting the alkylation in the presence of small amounts of a mixture of a neo acid and another fatty acid having 10 to 30 carbon atoms.... | 10/01/1985 |
| 4544795 | Alkylation aide for sulfuric acid catalyzed alkylation units The efficiency of acid catalyzed alkylation of alkanes with olefins is improved by conducting the alkylation in the presence of small amounts of a fatty acid having 16 to 40 carbon atoms.... | 10/01/1985 |
| 4529500 | Method for minimizing fouling of heat exchanger Hydrocarbon processing equipment is protected against fouling during the processing of hydrocarbons at elevated temperatures by adding to the equipment small amounts of the N,N'-dimer of phenothiazine or a substituted phenothiazine.... | 07/16/1985 |
| 4527581 | Compositions for and method of reducing hydrocarbon fluid friction loss in conduits Friction loss normally occurring in hydrocarbon carrying conduits during the transportation of hydrocarbon liquids is reduced by adding to the hydrocarbon liquids small amounts of copolymers of butene-1 and another alpha-monoolefin having 5 to 20 carbon a... | 07/09/1985 |
| 4434307 | Inhibiting polymerization of vinyl aromatic monomers Vinyl aromatic compounds are stabilized against undesired polymerization by adding to the vinyl aromatic compounds small amounts of at least one N,N-diarylhydroxylamine and at least one mono-or ditertiary alkyl catechol and/or at least one mono-or diterti... | 02/28/1984 |
| 4425223 | Method for minimizing fouling of heat exchangers Hydrocarbon process equipment is protected against fouling during processing of high sulfur-containing hydrocarbon feedstocks by incorporating into the hydrocarbon being processed small amounts of a composition comprised of an alkyl ester of a phosphorus ... | 01/10/1984 |
| 4419106 | Hydrocarbon oils with improved pour points Hydrocarbon oils containing, as a pour point depressant, a copolymer of an alkyl acrylate, the alkyl group of which contains about 12 to 40 carbon atoms and an alpha-monoolefin having about 12 to 40 carbon atoms, the copolymer having a weight average mole... | 12/06/1983 |
| 4263465 | Synthetic lubricant A low viscosity synthetic lubricant is prepared by polymerizing 1-butene to an oligomer containing a number average of about 8 to 18 carbon atoms and copolymerizing the oligomer with an alpha-monoolefin having 8 to 18 carbon atoms to produce a copolymer h... | 04/21/1981 |
| 4251667 | Process for the preparation of aromatic urethanes A process for the preparation of aromatic urethanes by reacting an aromatic amine, an alcohol and carbon monoxide in the presence of a catalytic quantity of a copper salt, oxygen and a dehydrating agent is disclosed. The reaction is preferably carried out... | 02/17/1981 |
| 4239904 | Process for the preparation of urethanes A process for the preparation of urethanes by reacting a tertiary amine, an alcohol and carbon monoxide in the presence of a catalytic quantity of a copper salt, oxygen and a dehydrating agent is disclosed. The reaction is preferably carried out using a c... | 12/16/1980 |
| 4222959 | Process for the preparation of aromatic formamides A process for the preparation of aromatic formamides by reacting an aromatic amine with carbon monoxide in the presence of a solvent, a catalytic quantity of a copper salt and oxygen, or an oxygen-containing gaseous mixture. The reaction is preferably car... | 09/16/1980 |
| 4202950 | Process for preparing polyurethane elastomers Polyurethane compositions having improved tensile strength and tear strength are prepared by graft polymerizing an ethylenically unsaturated monomer onto a liquid, hydroxyl-containing diene polymer and reacting the resulting graft copolymer with a polyfun... | 05/13/1980 |
| 4145302 | Detergent-containing cleansing article Detergent pads having rapid detergent release and longer lasting detergency properties are presented. The detergent pads are made by incorporating into a suitable cleansing article capable of retaining dry detergent at least one sodium, lithium, potassium... | 03/20/1979 |
| 4143096 | Ethylene carbon monoxide graft copolymers Graft interpolymers comprised of a polyolefin backbone polymer prepared from at least one -olefin of two to four carbon atoms onto which is graft copolymerized a mixture of ethylene and carbon monoxide are disclosed.... | 03/06/1979 |
| 4139522 | Stabilized ethylene-carbon monoxide copolymers Ethylene-carbon monoxide copolymer compositions are stablized against degradation by the incorporation therein of manganous salts of phosphorus oxy acids.... | 02/13/1979 |
| 4133813 | Cyclic nitrile carbonate-containing compounds Cyclic nitrile carbonate-containing compounds having the structural formula: ##STR1## wherein T is O, S, or NR"'; R and R' are organic radicals; R" is hydrogen, halogen or an organic radical and R"' is hydrogen or an organic radical are prepared... | 01/09/1979 |
| 4118430 | Process for the isomerization of hydrocarbons An improved process for isomerizing hydrocarbons using a catalyst which is periodically regenerated to remove carbonaceous deposits, the catalyst being comprised of a mixture containing, as a major component, an isomerization catalyst free of carbon monox... | 10/03/1978 |
| 4113638 | Frothing composition for gypsum dispersions An improved gypsum dispersion frothing composition is presented comprised of a first component which is a neutralized sulfonic acid or neutralized sulfuric acid ester and a second component which is a neutralized dipropyl benzene sulfonate or a mixture of... | 09/12/1978 |
| 4097524 | Process for the preparation of formamides A process for the preparation of formamides by reacting a tertiary amine with carbon monoxide in the presence of a solvent, a catalytic quantity of a copper salt and oxygen or an oxygen-containing gaseous mixture. The reaction is preferably carried out in... | 06/27/1978 |
| 4086725 | Method and apparatus for growing plant sprouts Apparatus for sprouting plant seeds and growing the sprouts to a desired size is disclosed comprising a container having an open top and perforated bottom and side wall, a flexible screen means adapted to upwardly extend the horizontal restraint of the si... | 05/02/1978 |
| 4075181 | Powder coating compositions based on a cyclic nitrile compound A shelf-stable polymer-producing coating powder composition is presented comprised of a cyclic nitrile compound and an organic compound containing at least two carboxyl or carboxylic acid anhydride groups or at least one carboxyl group and one carboxylic ... | 02/21/1978 |
