Patents by Inventor Robert Zhong Lu
Robert Zhong Lu 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: 8966674Abstract: Cageless toilet dispensing devices for use in conjunction with a sanitary appliance particularly a toilet, and methods for their use.Type: GrantFiled: June 23, 2009Date of Patent: March 3, 2015Assignee: Reckitt Benckiser LLCInventors: Robert Zhong Lu, Dana Moseson
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Patent number: 8858879Abstract: The present invention relates to a process for the production of improved toilet dispensing devices for use in conjunction with a sanitary appliance particularly a toilet, and methods of using the same.Type: GrantFiled: June 23, 2009Date of Patent: October 14, 2014Assignee: Reckitt Benckiser LLCInventors: Nevin Arora, Robert Zhong Lu, Dana Moseson
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Patent number: 8685304Abstract: The present invention relates to a method for the manufacture of a lavatory dispensing device useful for the delivery of at least one treatment composition, preferably a cleaning composition and/or a sanitizing composition to a sanitary appliance.Type: GrantFiled: March 27, 2012Date of Patent: April 1, 2014Assignee: Reckitt Benckiser LLCInventors: Nevin Arora, Christopher King, Robert Zhong Lu, Tri Nguyen, Dana Phieff, Steven Wu
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Patent number: 8615820Abstract: The present invention relates to a cageless lavatory dispensing device comprising a hanger (10) and a compressed solid block (50). The hanger (10) has a hook end (20) for suspending the dispensing device to a sanitary-appliance, and the compressed solid block (50) comprises at least one chemical agent. A process for delivering a treatment composition to a sanitary appliance is also disclosed. Said process comprises the steps of: providing and suspending a cageless lavatory dispensing device within the sanitary appliance; periodically flushing water about the exterior of the compressed block to elute at least one chemical constituent to form a treatment composition with said water, which treatment composition provides cleaning and/or sanitizing and/or disinfecting benefit to the sanitary appliance.Type: GrantFiled: March 21, 2007Date of Patent: December 31, 2013Assignee: Reckitt Benckiser LLCInventors: Nevin Arora, Christopher Brian King, Robert Zhong Lu, Tri Nguyen, Dana Moseson, Steven Wu
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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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Patent number: 8277715Abstract: The present invention relates to a method for the manufacture of a lavatory dispensing device useful for the delivery of at least one treatment composition, preferably a cleaning composition and/or a sanitizing composition to a sanitary appliance.Type: GrantFiled: March 21, 2007Date of Patent: October 2, 2012Assignee: Reckitt Benckiser LLCInventors: Nevin Arora, Christopher King, Robert Zhong Lu, Tri Nguyen, Dana Pheiff, Steven Wu
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Publication number: 20120228800Abstract: The present invention relates to a method for the manufacture of a lavatory dispensing device useful for the delivery of at least one treatment composition, preferably a cleaning composition and/or a sanitizing composition to a sanitary appliance.Type: ApplicationFiled: March 27, 2012Publication date: September 13, 2012Applicant: Reckitt Benckiser LLC.Inventors: Nevin Arora, Christopher King, Robert Zhong Lu, Tri Nguyen, Dana Pheiff, Steven Wu
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Patent number: 8197739Abstract: The present invention relates to a method for the manufacture of a lavatory dispensing device useful for the delivery of at least one treatment composition, preferably a cleaning composition and/or a sanitizing composition to a sanitary appliance.Type: GrantFiled: June 14, 2007Date of Patent: June 12, 2012Assignee: Reckitt Benckiser LLCInventor: Robert Zhong Lu
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Publication number: 20110223059Abstract: The present invention relates to a process for the production of improved toilet dispensing devices for use in conjunction with a sanitary appliance particularly a toilet, and methods of using the same.Type: ApplicationFiled: June 23, 2009Publication date: September 15, 2011Applicant: RECKITT BENCKISER INC.Inventors: Robert Zhong Lu, Dana Moseson, Nevin Arora
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Publication number: 20110209276Abstract: The present invention relates to improved toilet dispensing devices for use in conjunction with a sanitary appliance particularly a toilet, and methods for their use.Type: ApplicationFiled: June 23, 2009Publication date: September 1, 2011Applicant: Reckitt Benckiser Inc.Inventors: Robert Zhong Lu, Dana Moseson
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Publication number: 20100299818Abstract: Lavatory treatment blocks which provide improved foaming benefit and improved foam substantivity are provided. The lavatory treatment blocks may be used with or without a lavatory treatment device, such as an in the bowl type, or in the cistern type device. Preferred embodiments of the lavatory treatment blocks provide a cleaning and/or sanitizing and/or disinfecting benefit to a sanitary appliance being treated using the lavatory treatment blocks.Type: ApplicationFiled: September 18, 2008Publication date: December 2, 2010Applicant: RECKITT BENCKISER, INC.Inventor: Robert Zhong Lu
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Publication number: 20100235975Abstract: 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: ApplicationFiled: June 14, 2007Publication date: September 23, 2010Applicant: RECKITT BENCKISER INC.Inventors: Tak Wai Cheung, Robert Zhong Lu, Dana Moseson, Steven Wu
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Publication number: 20100146687Abstract: The present invention relates to improved toilet dispensing devices for use in conjunction with a sanitary appliance, particularly a toilet.Type: ApplicationFiled: March 22, 2007Publication date: June 17, 2010Applicant: RECKITT BENCKISER INC.Inventors: Christopher Brian King, Richard Koontz, Robert Zhong Lu, Tri Nguyen, Dana Moseson, Steven Wu
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Publication number: 20090235443Abstract: The present invention relates to a cageless lavatory dispensing device comprising a hanger (10) and a compressed solid block (50). The hanger (10) has a hook end (20) for suspending the dispensing device to a sanitary-appliance, and the compressed solid block (50) comprises at least one chemical agent. A process for delivering a treatment composition to a sanitary appliance is also disclosed. Said process comprises the steps of: providing and suspending a cageless lavatory dispensing device within the sanitary appliance; periodically flushing water about the exterior of the compressed block to elute at least one chemical constituent to form a treatment composition with said water, which treatment composition provides cleaning and/or sanitizing and/or disinfecting benefit to the sanitary appliance.Type: ApplicationFiled: March 21, 2007Publication date: September 24, 2009Applicant: Reckitt Benckiser, Inc,Inventors: Nevin Arora, Christopher Brian King, Robert Zhong Lu, Tri Nguyen, Dana Moseson, Steven Wu
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Patent number: 7488708Abstract: Foamed two-part hard surface treatment composition which is formed by the admixture of two aqueous compositions, particularly (a) an aqueous alkaline composition comprising a bleach constituent, with (b) an aqueous acidic composition comprising a peroxide constituent, which compositions are kept separate, but which are admixed immediately prior to use or upon use to form a foamed hard surface treatment composition. The foamed two-part hard surface treatment composition are particularly useful in the cleaning of hard surfaces. Preferred foamed two-part hard surface treatment composition provide both a cleaning and sanitizing or disinfecting benefit to hard surfaces, while releasing little or no free chlorine gas to the ambient air.Type: GrantFiled: July 10, 2006Date of Patent: February 10, 2009Assignee: Reckitt Benckiser Inc.Inventors: Vesna Deljosevic, Robert Zhong Lu, Carolyn Martinez, Albert Thomas Weibel
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Publication number: 20080313795Abstract: The present invention relates to improved toilet dispensing devices for use in conjunction with a sanitary appliance, particularly a toilet.Type: ApplicationFiled: June 14, 2007Publication date: December 25, 2008Applicant: RECKITT BENCKISER INC.Inventor: Robert Zhong Lu
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Publication number: 20080303186Abstract: The present invention relates to a method for the manufacture of a lavatory dispensing device useful for the delivery of at least one treatment composition, preferably a cleaning composition and/or a sanitizing composition to a sanitary appliance.Type: ApplicationFiled: June 14, 2007Publication date: December 11, 2008Applicant: RECKITT BENCKISER INC.Inventor: Robert Zhong Lu
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Patent number: 7199092Abstract: Liquid cleaning and/or disinfecting composition which is separated into two phases at rest are combined and dispersed within each other upon shaking.Type: GrantFiled: August 7, 2003Date of Patent: April 3, 2007Assignee: Reckitt Benckiser Inc.Inventors: Robert Zhong Lu, Pamela White
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Patent number: D536059Type: GrantFiled: July 15, 2005Date of Patent: January 30, 2007Assignee: Reckitt Benckiser Inc.Inventors: Christopher Brian King, Robert Zhong Lu
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Patent number: D537914Type: GrantFiled: July 15, 2005Date of Patent: March 6, 2007Assignee: Reckitt Benckiser Inc.Inventors: Christopher Brian King, Robert Zhong Lu