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).

  • Patent number: 11684068
    Abstract: 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: Grant
    Filed: December 20, 2018
    Date of Patent: June 27, 2023
    Assignee: VALENT U.S.A., LLC
    Inventors: Jessica Tanuwidjaja, Tak Wai Cheung
  • Publication number: 20230165249
    Abstract: 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: Application
    Filed: November 30, 2022
    Publication date: June 1, 2023
    Inventors: Tak Wai Cheung, Ke Zhou
  • Publication number: 20230014559
    Abstract: 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: Application
    Filed: September 9, 2022
    Publication date: January 19, 2023
    Inventors: Takashi Shibayama, Jessica Tanuwidjaja, Tak Wai Cheung
  • Publication number: 20220211033
    Abstract: 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: Application
    Filed: March 18, 2022
    Publication date: July 7, 2022
    Inventors: Jessica Tanuwidjaja, Tak Wai Cheung
  • Publication number: 20190200605
    Abstract: 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: Application
    Filed: December 20, 2018
    Publication date: July 4, 2019
    Inventors: Jessica Tanuwidjaja, Tak Wai Cheung
  • Publication number: 20190200615
    Abstract: 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: Application
    Filed: December 20, 2018
    Publication date: July 4, 2019
    Inventors: Jessica Tanuwidjaja, Tak Wai Cheung
  • Patent number: 9468206
    Abstract: 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: Grant
    Filed: December 30, 2015
    Date of Patent: October 18, 2016
    Assignee: Valent U.S.A., Corporation
    Inventors: Bhaskar M. Ramachandran, Tak Wai Cheung
  • Publication number: 20160183518
    Abstract: 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: Application
    Filed: December 30, 2015
    Publication date: June 30, 2016
    Inventors: Bhaskar M. Ramachandran, Tak Wai Cheung
  • Publication number: 20150141251
    Abstract: 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: Application
    Filed: October 15, 2013
    Publication date: May 21, 2015
    Applicant: GOWAN COMERCIO INTERNACIONAL E SERVICOS LIMIADA
    Inventors: Howard Bernard DAWSON, Rachel BRANAGHAN, Eric James MCEWEN, Sandra ALCARAZ, Tak Wai CHEUNG
  • Publication number: 20140213544
    Abstract: 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: Application
    Filed: March 28, 2014
    Publication date: July 31, 2014
    Applicant: 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
  • Patent number: 8791049
    Abstract: 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: Grant
    Filed: December 13, 2010
    Date of Patent: July 29, 2014
    Assignee: 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
  • Publication number: 20140073599
    Abstract: 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: Application
    Filed: March 9, 2009
    Publication date: March 13, 2014
    Inventors: Tak Wai Cheung, Kenneth Roger Muzyk, John Edward Frieden, Jaheo Cha, Olaf Moberg, Susan Oeltjen, Christopher Rueb, Willie Hendrickson
  • Publication number: 20130190178
    Abstract: 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: Application
    Filed: August 1, 2011
    Publication date: July 25, 2013
    Applicant: GOWAN COMERCIO INTEMACIONAL E SERVICOS LIMITADA
    Inventors: Tak Wai Cheung, Gary Louis Melchior, Eric James McEwen, Joszef Selmeczi, Jacques-Laurent Anslaux
  • Publication number: 20130184157
    Abstract: 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: Application
    Filed: August 16, 2011
    Publication date: July 18, 2013
    Applicant: Gowan Comercio International E Servicos Limitada
    Inventors: Timothy Edward Kunkel, Tak Wai Cheung, John Edmonds, Jacques Laurent Ansiaux, George David Newberry, Gary Louis Melchior, Frank Rene Miranda, Francesca Borgo
  • Publication number: 20130172184
    Abstract: 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: Application
    Filed: February 26, 2013
    Publication date: July 4, 2013
    Applicant: Gowan Comercio Internacional E Servicos Limitada
    Inventors: 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
  • Patent number: 8367595
    Abstract: 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: Grant
    Filed: June 14, 2007
    Date of Patent: February 5, 2013
    Assignee: Reckitt Benckiser LLC
    Inventors: Tak Wai Cheung, Robert Zhong Lu, Dana Moseson, Steven Wu
  • Publication number: 20120021911
    Abstract: 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: Application
    Filed: March 5, 2010
    Publication date: January 26, 2012
    Applicant: 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
  • Publication number: 20110237437
    Abstract: 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: Application
    Filed: July 10, 2009
    Publication date: September 29, 2011
    Applicant: Gowan Comercio Internacional E Servicos L
    Inventors: Tak Wai Cheung, Sergio Camparini, Wallace Keith Majure, Kevin Wayne Stewart, Sandra Alcaraz, Charles Paul Grasso
  • Publication number: 20110218106
    Abstract: 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: Application
    Filed: December 13, 2010
    Publication date: September 8, 2011
    Applicant: 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
  • Patent number: RE47128
    Abstract: 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: Grant
    Filed: April 28, 2016
    Date of Patent: November 20, 2018
    Assignee: Canyon Group LLC
    Inventors: Eric Paige Webster, Dominic Frank Alonso, Sergio Comparini, Wallace Keith Majure, Sandra Alcaraz, Charles Paul Grasso, Eric James McEwen, Tak Wai Cheung