Patents by Inventor Tak Wai Cheung
Tak Wai Cheung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12167730Abstract: The present invention is directed to agricultural compositions comprising at least one agriculturally active ingredient and gellan gum. The present invention is further directed to tank mixes comprising a high electrolyte composition comprising at least one agriculturally active ingredient and a second composition comprising at least one agriculturally active ingredient, wherein gellan gum is present in the high electrolyte composition or the second composition or is added to the tank mix.Type: GrantFiled: November 30, 2022Date of Patent: December 17, 2024Assignee: VALENT U.S.A., LLCInventors: Tak Wai Cheung, Ke Zhou
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Patent number: 11684068Abstract: The present invention is directed to an herbicidal composition comprising metribuzin, flumioxazin, pyroxasulfone, a salting-out agent and polyvinyl alcohol. The present invention is further directed to a method of controlling weeds comprising applying a composition of the present invention to the weeds or an area in need of weed control.Type: GrantFiled: December 20, 2018Date of Patent: June 27, 2023Assignee: VALENT U.S.A., LLCInventors: Jessica Tanuwidjaja, Tak Wai Cheung
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Publication number: 20230165249Abstract: The present invention is directed to agricultural compositions comprising at least one agriculturally active ingredient and gellan gum. The present invention is further directed to tank mixes comprising a high electrolyte composition comprising at least one agriculturally active ingredient and a second composition comprising at least one agriculturally active ingredient, wherein gellan gum is present in the high electrolyte composition or the second composition or is added to the tank mix.Type: ApplicationFiled: November 30, 2022Publication date: June 1, 2023Inventors: Tak Wai Cheung, Ke Zhou
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Publication number: 20230014559Abstract: The present invention is directed to an aqueous herbicidal composition comprising metribuzin, flumioxazin, pyroxasulfone, and a polyoxyethylene alkyl sulfate. The present invention is further directed to a method of controlling weeds comprising applying a composition of the present invention to the weeds or an area in need of weed control.Type: ApplicationFiled: September 9, 2022Publication date: January 19, 2023Inventors: Takashi Shibayama, Jessica Tanuwidjaja, Tak Wai Cheung
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Publication number: 20220211033Abstract: The present invention is directed to an herbicidal composition comprising metribuzin, a salting-out agent and polyvinyl alcohol. The present invention is further directed to a method of controlling weeds comprising applying a composition of the present invention to the weeds or an area in need of weed control.Type: ApplicationFiled: March 18, 2022Publication date: July 7, 2022Inventors: Jessica Tanuwidjaja, Tak Wai Cheung
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Publication number: 20190200605Abstract: The present invention is directed to an herbicidal composition comprising metribuzin, a salting-out agent and polyvinyl alcohol. The present invention is further directed to a method of controlling weeds comprising applying a composition of the present invention to the weeds or an area in need of weed control.Type: ApplicationFiled: December 20, 2018Publication date: July 4, 2019Inventors: Jessica Tanuwidjaja, Tak Wai Cheung
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Publication number: 20190200615Abstract: The present invention is directed to an herbicidal composition comprising metribuzin, flumioxazin, pyroxasulfone, a salting-out agent and polyvinyl alcohol. The present invention is further directed to a method of controlling weeds comprising applying a composition of the present invention to the weeds or an area in need of weed control.Type: ApplicationFiled: December 20, 2018Publication date: July 4, 2019Inventors: Jessica Tanuwidjaja, Tak Wai Cheung
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Patent number: 9468206Abstract: The present invention relates to liquid agricultural formulations comprising from about 15 to about 40% w/w dicamba diglycol amine, from about 1 to about 15% w/w lactofen, from about 5 to about 40% w/w of a solvent selected from the group consisting of: (1) a solvent comprising dimethyl glutarate, dimethyl succinate, and dimethyl adipate; and (2) a solvent comprising a mixture of aromatic hydrocarbons obtained from distillation of aromatic streams derived from crude oil, from about 0.5 to about 5% w/w of a thickener with the chemical formula (Mg,Al)5Si8O20×4H2O, and from about 2 to about 15% w/w of a polyarylphenyl ether sulphate, ammonium salt surfactant, and methods of use thereof.Type: GrantFiled: December 30, 2015Date of Patent: October 18, 2016Assignee: Valent U.S.A., CorporationInventors: Bhaskar M. Ramachandran, Tak Wai Cheung
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Publication number: 20160183518Abstract: The present invention relates to liquid agricultural formulations comprising from about 15 to about 40% w/w dicamba diglycol amine, from about 1 to about 15% w/w lactofen, from about 5 to about 40% w/w of a solvent selected from the group consisting of: (1) a solvent comprising dimethyl glutarate, dimethyl succinate, and dimethyl adipate; and (2) a solvent comprising a mixture of aromatic hydrocarbons obtained from distillation of aromatic streams derived from crude oil, from about 0.5 to about 5% w/w of a thickener with the chemical formula (Mg,Al)5Si8O20×4H2O, and from about 2 to about 15% w/w of a polyarylphenyl ether sulphate, ammonium salt surfactant, and methods of use thereof.Type: ApplicationFiled: December 30, 2015Publication date: June 30, 2016Inventors: Bhaskar M. Ramachandran, Tak Wai Cheung
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Publication number: 20150141251Abstract: The present disclosure relates to a pesticidal formulation including i) at least one pesticide, typically an organophosphate compound in an amount between 5.0% w/w and 40.0% w/w, preferably between 15.0% w/w and 30.0% w/w, ii) Solvent system comprising at least one glycol ether and at least one lactone in an amount between 10.0% to 80.0% w/w, preferably between 30.0% w/w and 55% w/w, with ratio of the glycol ether and the lactone is the in the range of 1:9 and 9:1, preferably in the range of 2:8 and 4:6, iii) Surfactant system containing at least two nonionic surfactants where the primary surfactant has an HLB range of 10 to 20 and the co-surfactant has a HLB range 1 to 5, in an amount ranging between 0.1% w/w to 60.0% w/w preferably in the range of 20.0% w/w to 40.0% w/w, and iv) at least one excipient in the range of 0.1% w/w to 10% w/w and preferably 0.5% w/w to 5.0% w/w.Type: ApplicationFiled: October 15, 2013Publication date: May 21, 2015Applicant: GOWAN COMERCIO INTERNACIONAL E SERVICOS LIMIADAInventors: Howard Bernard DAWSON, Rachel BRANAGHAN, Eric James MCEWEN, Sandra ALCARAZ, Tak Wai CHEUNG
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Publication number: 20140213544Abstract: Plant treatment compositions comprising metal alginate salts and at least one amine compound are useful in the treatment of plants, particularly food crops. The metal alginate salts are found to be highly effective in the absence of herbicides, fungicides and pesticides.Type: ApplicationFiled: March 28, 2014Publication date: July 31, 2014Applicant: Cowan Co.Inventors: Wallace Keith Majure, Nicholas William Vandervort, Paul Joseph David, Brian Duane Deeter, Gary Joseph Melchior, James Richard Brazzle, Kenneth Roger Muzyk, Frank Rene Miranda, Tak Wai Cheung, Oaxford George Bain, John Edward Frieden, David Alexander Marsden, Olaf Christian Moberg, Susan Toddie Oeltjen, John Christopher Rueb, William Arthur Hendrickson
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Patent number: 8791049Abstract: Provided are improved agricultural processes for the improved cultivation of rice wherein the crops are treated to control undesired vegetative growth using a plant treatment composition comprising both halosulfuron and thifensulfuron to provide improved herbicidal efficacy against Heteranthera limosa, commonly referred to as “duck salad”. Also provided are compositions useful in the improved agricultural processes, as well as herbicidal treatment regimens. Unexpectedly high rates of efficacy against Heteranthera limosa, amongst rice plant in rice crops are disclosed.Type: GrantFiled: December 13, 2010Date of Patent: July 29, 2014Assignee: Gowan Co.Inventors: Eric Paige Webster, Dominic Frank Alonso, Sergio Comparini, Wallace Keith Majure, Sandra Alcaraz, Charles Paul Grasso, Eric James McEwen, Tak Wai Cheung
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Publication number: 20140073599Abstract: Plant treatment compositions comprising metal alginate salts as compositions useful in the treatment of plants, particularly food crops. The metal alginate salts are found to be effective in the absence of herbicides, fungicides and pesticides.Type: ApplicationFiled: March 9, 2009Publication date: March 13, 2014Inventors: Tak Wai Cheung, Kenneth Roger Muzyk, John Edward Frieden, Jaheo Cha, Olaf Moberg, Susan Oeltjen, Christopher Rueb, Willie Hendrickson
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Publication number: 20130190178Abstract: The pesticidal compositions comprising synergistic mixtures of O,O-dimethyl S-phthalimidomethyl phosphorodithioate or suitable salt forms thereof, and at least one benzoylurea based chitin inhibiting compound or suitable salt forms thereof, and especially preferably one or more of (RS)-1-[3-chloro-4-(1,1,2-trifluoro-2-trifluoromethoxyethoxy)phenyl]-3-(2,6-di-fluorobenzoyl)urea (also interchangeably referred to as “novaluron”) or suitable salt forms thereof, and 1-(2-chlorobenzoyl)-3-(4-trifluoromethoxyphenyl)urea (also interchangeably referred to as “triflumuron”) or suitable salt forms thereof, for the control of undesired pests, preferably for the control of Codling moths in fruit. Methods of controlling the incidence of undesired pests, via treatment regimens providing synergistic amounts of each of the foregoing compounds, are also disclosed.Type: ApplicationFiled: August 1, 2011Publication date: July 25, 2013Applicant: GOWAN COMERCIO INTEMACIONAL E SERVICOS LIMITADAInventors: Tak Wai Cheung, Gary Louis Melchior, Eric James McEwen, Joszef Selmeczi, Jacques-Laurent Anslaux
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Publication number: 20130184157Abstract: Disclosed are compositions comprising a microencapsulated triallate compound, and an improved process for the control of undesired vegetative growth in and among desired vegetative growth, especially cereal crops, the process comprising the steps of: providing an effective amount of a treatment composition to the treated crop.Type: ApplicationFiled: August 16, 2011Publication date: July 18, 2013Applicant: Gowan Comercio International E Servicos LimitadaInventors: Timothy Edward Kunkel, Tak Wai Cheung, John Edmonds, Jacques Laurent Ansiaux, George David Newberry, Gary Louis Melchior, Frank Rene Miranda, Francesca Borgo
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Publication number: 20130172184Abstract: Plant treatment compositions comprising metal alginate salts and further containing at least one amine compound (sometimes also herein referred to as the “first amine compound”), and additionally includes at least a pH buffer composition comprising a second amine compound (sometimes also herein referred to as the “second amine compound”), which compositions useful in the treatment of plants, particularly food crops. In certain embodiments, the plant treatment compositions are highly effective even wherein the content of metallic copper present is 500 ppm or even less in the plant treatment composition used to treat plants or crops. The plant treatment compositions are found to be highly effective even in the absence of herbicides, fungicides and pesticides.Type: ApplicationFiled: February 26, 2013Publication date: July 4, 2013Applicant: Gowan Comercio Internacional E Servicos LimitadaInventors: Oakford George Bain, James Richard Brazzle, Tak Wai Cheung, Paul Joseph David, Brian Duane Deeter, John Edward Frieden, Charles Paul Grasso, Wallace Keith Majure, David Alexander Marsden, Gary Louis Melchior, Frank Rene Miranda, Kenneth Roger Muzyk, George David Newberry, Nicholas William Vandervort, William Arthur Hendrickson, Olaf Christian Moberg, Susan Toddie Oeltjen, Christopher John Rueb
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Patent number: 8367595Abstract: Improved treatment blocks useful in the treatment of lavatory appliances, particularly toilets are provided. The improved treatment blocks are solid block compositions which comprise at least one detersive surfactant, a film forming constituent, optionally a bleach constituent and one or more further optional constituents. The improved treatment blocks provide good detersive characteristics and further provide a film forming material which contacts the surfaces of the lavatory appliance, e.g., toilet, in which the block compositions are used. Methods of producing the solid block composition and treatment blocks therefrom, as well as methods of use are also disclosed.Type: GrantFiled: June 14, 2007Date of Patent: February 5, 2013Assignee: Reckitt Benckiser LLCInventors: Tak Wai Cheung, Robert Zhong Lu, Dana Moseson, Steven Wu
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Publication number: 20120021911Abstract: Plant treatment compositions comprising metal alginate salts and at least one amine compound are useful in the treatment of plants, particularly food crops. The metal alginate salts are found to be highly effective in the absence of herbicides, fungicides and pesticides.Type: ApplicationFiled: March 5, 2010Publication date: January 26, 2012Applicant: Gowan Co.Inventors: Wallace Keith Majure, Nicholas William Vandervort, Paul Joseph David, Brian Duane Deeter, Gary Louis Melchior, James Richard Brazzle, Kenneth Roger Muzyk, Frank Rene Miranda, Tak Wai Cheung, Oakford George Bain, John Edward Frieden, David Alexander Marsden, Olaf Christian Moberg, Susan Toddie Oeltjen, John Christopher Rueb, William Arthur Hendrickson
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Publication number: 20110237437Abstract: Provided are improved agricultural processes for the improved cultivation of crops of rice varieties modified to be tolerant to imparted with resistance to imidazolinone type herbicides wherein the crops are treated to control undesired vegetative growth using a halosulfuron methyl herbicidal composition to provide improved herbicidal efficacy. Also provided are compositions useful in the improved agricultural processes, as well as herbicidal treatment regimens. Unexpectedly high rates of efficacy against one or more of Sesbania hemp (Sesbania exaltata), Indian Joint vetch (Aeschynomene indica), and Alligator weed (Alternanthera philoxeroides) amongst rice crops are disclosed.Type: ApplicationFiled: July 10, 2009Publication date: September 29, 2011Applicant: Gowan Comercio Internacional E Servicos LInventors: Tak Wai Cheung, Sergio Camparini, Wallace Keith Majure, Kevin Wayne Stewart, Sandra Alcaraz, Charles Paul Grasso
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Patent number: RE47128Abstract: Provided are improved agricultural processes for the improved cultivation of rice wherein the crops are treated to control undesired vegetative growth using a plant treatment composition comprising both halosulfuron and thifensulfuron to provide improved herbicidal efficacy against Heteranthera limosa, commonly referred to as “duck salad”. Also provided are compositions useful in the improved agricultural processes, as well as herbicidal treatment regimens. Unexpectedly high rates of efficacy against Heteranthera limosa, amongst rice plant in rice crops are disclosed.Type: GrantFiled: April 28, 2016Date of Patent: November 20, 2018Assignee: Canyon Group LLCInventors: Eric Paige Webster, Dominic Frank Alonso, Sergio Comparini, Wallace Keith Majure, Sandra Alcaraz, Charles Paul Grasso, Eric James McEwen, Tak Wai Cheung