Slurry Or Suspension Patents (Class 71/64.08)
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Patent number: 11787748Abstract: The present invention relates to a polyphosphoric acid calcium magnesium fertilizer prepared by using phosphoric acid and phosphorus tailings as raw materials and a preparation method therefor. The polyphosphoric acid calcium magnesium fertilizer is prepared by using phosphorus tailings and phosphoric acid as raw materials. Based on P2O5, MgO and CaO, in the polyphosphoric acid calcium magnesium fertilizer: total phosphorus is 50-68%, effective phosphorus is 47-66%, total magnesium is 5-18%, effective magnesium is 4-15%, total calcium is 11-20%, effective calcium is 10-18%, and all are expressed in mass percentage. Based on P2O5, the polymerization rate of the polyphosphoric acid calcium magnesium fertilizer is ?50%. The present invention also provides a preparation method for the fertilizer. The phosphorus in the product prepared by the invention has sustained-release properties. The fertilizer is well suited for crops requiring large amounts of calcium and magnesium.Type: GrantFiled: March 21, 2019Date of Patent: October 17, 2023Assignees: KINGENTA ECOLOGICAL ENGINEERING GROUP CO., LTD., KINGENTA NORSTERRA CHEMICAL CO., LTD., YUNNAN ZHONGZHENG CHEMICAL INDUSTRY CO., LTD.Inventors: Zhaoping Hu, Yongxiu Liu, Jianguo Zheng, Botong Wang, Chengzhi Li, Nanshu Yu, Zongduan Guo, Shanming Hu
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Patent number: 8894737Abstract: A suspended nutrition composition includes a foamed material, a colloid layer and a nutrient. The foamed material having a plurality of pores includes a starch, a biodegradable polyester and a plasticizer. The pores are formed by bubbles produced from a physical foaming agent. The colloid layer covers a surface of the foamed material. The nutrient is dispersed in the foamed material.Type: GrantFiled: November 28, 2012Date of Patent: November 25, 2014Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chou-Chiang Kuo, Tso-Hsuan Yeh, Che-Wei Chang
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Patent number: 8877682Abstract: A substantially dry, flowable adjuvant compositions comprising, based on 100 parts by weight (“pbw”) of the adjuvant composition: (a) from about 25 pbw to about 75 pbw of a polysaccharide and (b) from about 75 pbw to about 20 pbw of a salt composition. In one embodiment, the salt composition is diammonium hydrogen phosphate, sodium carbonate or a combination thereof, and the polysaccharide is a derivatized guar. Also disclosed are methods of preparing such agricultural compositions comprising adding, to a heel solution, (a) a water dispersible adjuvant composition, in an amount effective to provide deposition and/or drift control properties, comprising, based on 100 pbw of the adjuvant composition: (i) from about 25 pbw to about 75 pbw of a polysaccharide, and (ii) from about 75 pbw to about 20 pbw of a salt composition, wherein an aqueous solution of the adjuvant composition has a pH value of between about 7 and about 12, and (b) an effective amount of an active.Type: GrantFiled: June 2, 2009Date of Patent: November 4, 2014Assignee: Rhodia OperationsInventors: Dan Wu, Michael J. Kisenwether, Krishnamurthy Shanmuganandamurthy
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Publication number: 20140208815Abstract: A system and method for providing fertilizer for crop production in an aqueous solution comprising nano-sized fertilizer particles, which are free of any chemical side chain and free any micelle to protect the nano-sized particle from re-agglomeration, suspended therein for improved uptake by the population of the crop.Type: ApplicationFiled: February 11, 2013Publication date: July 31, 2014Applicant: ON-SITE MOBILE LABORATORIES, LLCInventor: James Parker Kaiser, II
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Patent number: 8685706Abstract: The present invention relates to a process for restoring disturbed arid land soil crust. According to the process, site-sourced biological soil crusts (BSC) serve as sources for liquid suspension inoculants onto degraded arid lands. The BSC are gathered from near the disturbed site, and organisms from them are cultured, replicated and multiplied many times, preferably off-site. Then, this inoculant resulting from the indigenous population is distributed live and active in a liquid suspension over the entire area of the disturbed site.Type: GrantFiled: November 9, 2010Date of Patent: April 1, 2014Assignee: Living Earth, LLCInventor: Steven R. Paulsen
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Patent number: 8673816Abstract: Surfactant compounds which include an amine ended polyalkylene glycol hydrophile linked to C22 to C60 mainly hydrocarbyl, particularly composite hydrocarbyl, especially derived from a polymerised fatty acid and/or an aralkyl substituted phenol, hydrophobe, are useful in dispersing solids, particularly active agrochemicals, in aqueous media, or as adjuvants in agrochemical formulations, particularly of water soluble non-selective herbicides. In particular the hydrophobe is derived from polymerised fatty acids, such as dimer and, especially, trimer acids or from aralkyl substituted phenols. Aqueous dispersions using such surfactants can remain stable even with substantial concentrations of electrolyte e.g. in stable agrochemical dispersions including water soluble electrolyte agrochemical, such as glyphosate and/or ammonium sulphate.Type: GrantFiled: May 5, 2010Date of Patent: March 18, 2014Assignees: Croda, Inc., Croda International PLCInventors: Trevor Graham Blease, Gregory James Lindner, Lee David Richards
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Patent number: 8241387Abstract: The invention relates to an agricultural composition wherein the composition comprises an effective amount of a sulphur active ingredient and at least one dispersing agent.Type: GrantFiled: November 1, 2007Date of Patent: August 14, 2012Inventor: Deepak Pranjivandas Shah
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Patent number: 8197572Abstract: A concentrated, homogenous, stable, water-soluble fertilizer suspension comprising: water-soluble mineral nutrients of at least nitrogen, phosphorous, potassium, calcium, and magnesium; and an organic stabilizing additive; and wherein the pourable, aqueous suspension has water-soluble mineral nutrients amounting to at least about 80 percent by weight (wt. %) of the suspension.Type: GrantFiled: April 27, 2011Date of Patent: June 12, 2012Assignee: Lawrence Brooke Engineerings, LLC.Inventor: Geoffrey Dylan Wells
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Patent number: 8137430Abstract: The invention relates to a method for producing a formulation containing calcium formiate, to the formulation itself, and to the use thereof for producing a product, and the use thereof as a fertilizer.Type: GrantFiled: November 12, 2007Date of Patent: March 20, 2012Assignee: LANXESS Deutschland GmbHInventors: Ralph Armbrust, Peter Baur
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Publication number: 20120040834Abstract: Surfactant compounds which include an amine ended polyalkylene glycol hydrophile linked to C22 to C60 mainly hydrocarbyl, particularly composite hydrocarbyl, especially derived from a polymerised fatty acid and/or an aralkyl substituted phenol, hydrophobe, are useful in dispersing solids, particularly active agrochemicals, in aqueous media, or as adjuvants in agrochemical formulations, particularly of water soluble non-selective herbicides. In particular the hydrophobe is derived from polymerised fatty acids, such as dimer and, especially, trimer acids or from aralkyl substituted phenols. Aqueous dispersions using such surfactants can remain stable even with substantial concentrations of electrolyte e.g. in stable agrochemical dispersions including water soluble electrolyte agrochemical, such as glyphosate and/or ammonium sulphate.Type: ApplicationFiled: May 5, 2010Publication date: February 16, 2012Applicants: Croda International PLC, Croda, Inc.Inventors: Trevor Graham Blease, Gregory James Lindner, Lee David Richards
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Patent number: 8052986Abstract: An aqueous alkali earth metal salt solution useful as an activator for mixing thoroughly with chicken litter or similar animal waste containing excessive amounts of soluble phosphorus and nitrates. When used as a prelude to treatment with an alkali metal silicate based solution, the aqueous alkali earth metal salt solution greatly increases the chemical binding of the soluble phosphorus and/or nitrates present in the animal waste or nearby environment such as soil or water.Type: GrantFiled: January 10, 2008Date of Patent: November 8, 2011Inventors: E. Field Selby, John R. Hardee, Joe D. Henry
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Patent number: 8029828Abstract: A soil amendment or fertilizer composition made from treating chicken litter or similar animal waste, containing excessive amounts of soluble phosphorus and nitrates, with an alkali metal silicate based solution, possibly after mixing with an aqueous alkali earth metal salt solution useful as an activator. The treatment composition and any activator greatly increases the chemical binding of the soluble phosphorus and/or nitrates present in the animal waste or nearby environment such as soil or water.Type: GrantFiled: January 10, 2008Date of Patent: October 4, 2011Inventors: E. Field Selby, John R. Hardee, Joe D. Henry
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Patent number: 7927616Abstract: Pesticide compositions and methods for their use are provided. Embodiments of the subject pesticide compositions include a pesticide and an assimilable carbon skeleton energy component. Embodiments of the subject compositions may include a pesticide and one or more of a macronutrient component, micronutrient component, vitamin/cofactor component and a complexing agent. Also provided are methods that include preparing an assimilable carbon skeleton energy containing-pesticide composition and methods for administering an assimilable carbon skeleton energy containing-pesticide composition to a plant. Kits for use in practicing the subject invention are also provided. The subject pesticide compositions find use in a variety of different applications, and are particularly suited for use in at least mollifying pesticide-induced phytotoxicity of a plant.Type: GrantFiled: January 16, 2004Date of Patent: April 19, 2011Inventor: Thomas T. Yamashita
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Patent number: 7575365Abstract: A method of prilling or spray drying comprising calculating and controlling the viscosity of a shear-thinnable fluid stream at a particle-forming section of a dispersion device. The method comprises measuring the static head of fluid in the dispersion device, providing a pressurized blanket of inert gas over the fluid, mechanically agitating the fluid in the dispersion device, calculating the viscosity at the particle-forming section and controlling the viscosity by adjusting the speed of mechanical agitation.Type: GrantFiled: October 26, 2007Date of Patent: August 18, 2009Assignee: UOP LLCInventor: Philip O. Jung
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Patent number: 7445927Abstract: A 10,000 gallon sequencing batch reactor tank for the on-site bio-degradation of oily sludge. Bacteria already present in and adapted to oily sludge degrade the hydrocarbons found in oily sludge within two weeks from 20,000 ppm to less than 100 ppm. A degradation cycle requires 5 days. After five days a recirculation pump and aeration system are turned off and solids are allowed to settle to the bottom of the tank. An ultrafiltration unit connected to the tank requires approximately 16 hours to process the contents of the reactor tank.Type: GrantFiled: September 3, 2004Date of Patent: November 4, 2008Assignee: The United States of America as represented by the Secretary of the NavyInventors: Gerardo F. Maga, Frederick E. Goetz
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Patent number: 7252697Abstract: A method for making controlled-release ammonium phosphate fertilizer has the following acts of: cracking, pulverizing, blending, aging, drying, and adding release-controlling materials into an ammonium phosphate slurry during preparing processes or adding release-controlling materials in achieved ammonium phosphate powder. Selectively, sulfuric acid is added into the mixture of the release-controlling materials and the ammonium phosphate slurry or ammonium phosphate powder to acidify the mixture. In this method, the release-controlling material combines with the ammonium phosphate by chemical bonding to control the release of nitrogen and phosphorus nutrients to enhance the use efficiency and elongate fertilization effect of the controlled-release ammonium phosphate fertilizer.Type: GrantFiled: July 2, 2003Date of Patent: August 7, 2007Assignee: South China Agricultural UniversityInventors: Zongwen Liao, Song Bo, Xiaoyun Mao, Ping-Xiao Guan
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Patent number: 7074252Abstract: The inventive developments disclosed in this application include the following features and combinations thereof: extracting oil from spent bleaching earths for animal feed; using earths and acid water as soil amendment/fertilizer; efficient extraction of substances valuable to plants, animals, and humans from plant, animal, and fish oil soapstock, especially using the “interphase” emulsion from soapstock acidulation; use of “black paste” from oil refining as fertilizer component (nutrient source); use of interphase from agricultural oil refining, especially refining of non-degummed oils, as animal feed; use of “oil refining by-products to fertilizers” process and/or KOH refining in conjunction with “Miscella”-type hexane refining or “Zenith” process refining; fertilizers containing silica/silicates from by-products of agricultural oil refining; use of higher-sodium oil refining by-products as fertilizer for sodium-tolerant plants; using by-products of sugar beet refining as nutrient source; agriculturally usType: GrantFiled: July 26, 2002Date of Patent: July 11, 2006Inventor: Ralph S. Daniels
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Patent number: 6889471Abstract: A stable aqueous suspension of water-soluble polyacrylamide particles is in a saturated solution of an ammonium salt. The polyacrylamide particles are characterized by a particle size of about ?150 mesh, and preferably ?270 mesh, with ?400 mesh most preferred. The suspension is at least about 2.5% by weight polyacrylamide. When the ammonium salt is ammonium sulfate, PAM concentrations as high as about 15% by weight can be achieved while still being easily flowable. The suspension is made by stirring the small particle PAM into the saturated ammonium salt solution. The PAM can be quickly dissolved to form a less concentrated PAM solution by adding the suspension to water or to a dilute solution, which can include calcium salts or other soil enhancers.Type: GrantFiled: April 26, 2001Date of Patent: May 10, 2005Inventors: Charles A. Arnold, Arthur Wallace
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Patent number: 6780209Abstract: The disclosed invention relates to a composition comprising a partially dehydrated product made by: (I) reacting (A) a hydrocarbyl substituted succinic acid or anhydride with (B) a polyol, a polyamine, a hydroxyamine, or a mixture of two or more thereof, to form a first intermediate product comprising: an ester, partial ester or mixture thereof when (B) is a polyol; an amide, imide, salt, amide/salt, partial amide or mixture of two or more thereof when (B) is a polyamine; or an ester, partial ester, amide, partial amide, amide/salt, imide, ester/salt, salt or a mixture of two or more thereof when (B) is a hydroxyamine, a mixture of a polyol and a polyamine, a mixture of a polyol and a hydroxyamine, a mixture of a polyamine and a hydroxyamine, or a mixture of a polyol, a polyamine and a hydroxyamine; the hydrocarbyl substituent of said acid or anhydride having an average of about 8 to about 200 carbon atoms; and (II) heating said first intermediate product at an effective temperature to form a second intermeType: GrantFiled: January 24, 2000Date of Patent: August 24, 2004Assignee: The Lubrizol CorporationInventors: Brian B. Filippini, Richard M. Lange, Bryan A. Grisso, Bryn Hird
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Patent number: 6752850Abstract: A liquid soil conditioning composition is disclosed. The composition is in the form of an aqueous dispersion of rock lime and sulfur where the atomic ratio of calcium to sulfur is in the range 0.9:1 to 1.3:1. The particle size of the rock lime and the sulfur is 5 &mgr;m average. The liquid compositions improve the agricultural productivity of clay soils.Type: GrantFiled: January 3, 2002Date of Patent: June 22, 2004Assignee: Ultimate Products (Aust) Pty LTDInventors: Graham George Strachan, Glenn Stuart McDonald
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Patent number: 6515031Abstract: A preferred emulsifier blend includes ethoxylated alcohols containing hydrocarbons of C10-C16 and preferably having on average at least 2.8 ethoxy and/or alcohol groups per chain and a glycerol mono- and/or dioleates, preferably in a ratio of from 9:1 to 4:6. These emulsion blends are particularly useful when mixed with hydroisomerized oils and water, for subsequent application as a spray oil to agricultural crops. The emulsion blends of the present invention also find particular utility when mixed with conventional spray oils and hard water.Type: GrantFiled: February 13, 2001Date of Patent: February 4, 2003Assignees: Platte Chemical Company, Petro-CanadaInventor: Michael Fefer
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Patent number: 6506805Abstract: A magnesium ammonium phosphate slurry and method of producing magnesium ammonium phosphate slurries. The method provides for obtaining a magnesium hydroxide supply having a small particle size of about 2 microns. Aqua ammonia and phosphoric acid are sequentially added while maintaining the temperature at below 110° F. The magnesium ammonium phosphate hexahydrate slurry formed has a small particle size of about 2 to 7 microns. The hexahydrate slurry may be converted to a monohydrate slurry having a particle size of less than about 8 microns by heating to the boiling point in the presence of excess water or heating to the boiling point while maintaining a very moderate hydrostatic pressure.Type: GrantFiled: August 17, 2001Date of Patent: January 14, 2003Inventors: J. Richard Green, Warren D. Winterson
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Patent number: 6476082Abstract: A magnesium ammonium phosphate slurry and method of producing magnesium ammonium phosphate slurries. The method provides for obtaining a magnesium hydroxide supply having a small particle size of about 1 to 2 microns. Aqua ammonia and phosphoric acid are sequentially added while maintaining the temperature at below 110° F. The magnesium ammonium phosphate slurry formed has a small particle size of about 2 to 5 microns.Type: GrantFiled: August 17, 2000Date of Patent: November 5, 2002Assignee: Magline, Inc.Inventor: J. Richard Green
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Publication number: 20020095965Abstract: A stable aqueous suspension of water-soluble polyacrylamide particles is in a saturated solution of an ammonium salt. The polyacrylamide particles are characterized by a particle size of about −150 mesh, and preferably −270 mesh, with −400 mesh most preferred. The suspension is at least about 2.5% by weight polyacrylamide. When the ammonium salt is ammonium sulfate, PAM concentrations as high as about 15% by weight can be achieved while still being easily flowable. The suspension is made by stirring the small particle PAM into the saturated ammonium salt solution. The PAM can be quickly dissolved to form a less concentrated PAM solution by adding the suspension to water or to a dilute solution, which can include calcium salts or other soil enhancers.Type: ApplicationFiled: April 26, 2001Publication date: July 25, 2002Inventors: Charles A. Arnold, Arthur Wallace
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Publication number: 20020065198Abstract: Stable concentrated suspensions readily dispersible in water comprising one or more agricultural solids, a single non-ionic surfactant and a water-soluble glycol liquid. The agricultural solids include fertilizers, adjuvants, herbicides, pesticides and combinations thereof approved for use with foods. The non-ionic surfactant is an alkyl-phenoxy-poly(ethylenoxide)alkanol, an ethoxylated aliphatic C11 to C15 alcohol, an ethylene oxide-propylene oxide block copolymer or an ethoxylated fatty acid. Preferably, the surfactant has an average molecular weight from about 300 to about 1000. The water-soluble glycol liquid is ethylene glycol, propylene glycol, or mixtures thereof. The agricultural solid particles are at least about 99 wt. % passable through a Tyler #48 sieve. The suspensions of the invention exhibit physical stability during normal storage conditions, good pourability, and are readily dispersed in water.Type: ApplicationFiled: June 21, 2001Publication date: May 30, 2002Inventors: Ronald E. Highsmith, Robert A. Foster
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Patent number: 6237246Abstract: There is disclosed a process for treating sewage sludge or similar organic sludge in which dewatered sludge cake and an alkaline admixture are mixed and then dried under pasteurization conditions utilizing heat from the exothermic reaction with the alkali, in which drying is effected by extraction of moisture evaporated from the mixture by the exothermic heat.Type: GrantFiled: June 29, 1999Date of Patent: May 29, 2001Assignee: R3 Management LimitedInventor: Robin Millard
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Patent number: 6218353Abstract: A liquid composition useful for suspending and dispensing a solid particulate comprises carbon dioxide, a surfactant, an organic co-solvent, and the solid particulate to be suspended. The composition may optionally contain water. The composition is useful as a propellant in an aerosol container for spraying the solid particulate from the container.Type: GrantFiled: December 14, 1998Date of Patent: April 17, 2001Assignee: MiCell Technologies, Inc.Inventors: Timothy J. Romack, David F. Cauble, Jr., James B. McClain
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Patent number: 6176893Abstract: Non-explosive water in oil emulsion fertilizer compositions comprise a discontinuous aqueous phase comprising at least one fertilizer component, a continuous organic phase, an emulsifying amount of an emulsifier composition comprising: the reaction product of an amine (C) characterized by the presence within its structure of at least one H—N group and an intermediate formed in the reaction of (A) at least one olefinic compound containing at least one group of the formula and (B) at least one carboxylic reactant selected from the group consisting of compounds of the formula R3C(O)(R4)nC(O)OR5 (III) wherein each of R3 and R5 is independently H or a hydrocarbyl group, R4 is a divalent hydrocarbylene group, and n is 0 or 1, and reactive sources thereof and optionally, from about 0.5 to about 2 moles, per mole of (B), of (D) at least one aldehyde or ketone. The fertilizer compositions provide for controlled release of the fertilizer components.Type: GrantFiled: December 30, 1998Date of Patent: January 23, 2001Assignee: The Lubrizol CorporationInventor: James H. Bush