Patents by Inventor David George Sharp

David George Sharp 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).

  • Publication number: 20230363406
    Abstract: The present invention relates to a process for manufacturing a black leaf tea product, the process comprising: providing black leaf tea material having a moisture content of less than 20 wt. %; and then subjecting this black leaf tea starting material to a heat treatment step by contacting it with a heated surface at a temperature of 60° C. to 100° C. in the presence of steam for a duration of at least 2 minutes.
    Type: Application
    Filed: July 20, 2023
    Publication date: November 16, 2023
    Inventors: Luke Richard NUNN, David George SHARP
  • Publication number: 20230225351
    Abstract: The present invention relates to a process for manufacturing a black leaf tea product, the process comprising the steps of: providing black leaf tea having a moisture content of less than 5 wt. %; and then subjecting this black leaf tea starting material to a heat treatment step by contacting it with a heated surface at a temperature of 100° C. to 170° C. for a duration of 2 to 25 minutes. The present invention also relates to a black leaf tea product obtainable by this process.
    Type: Application
    Filed: March 24, 2023
    Publication date: July 20, 2023
    Inventors: Andrew James DYKS, Luke Richard NUNN, David George SHARP
  • Publication number: 20190166869
    Abstract: The present invention relates to a process for manufacturing a black leaf tea product, the process comprising the steps of: providing black leaf tea having a moisture content of less than 5 wt. %; and then subjecting this black leaf tea starting material to a heat treatment step by contacting it with a heated surface at a temperature of 100° C. to 170° C. for a duration of 2 to 25 minutes. The present invention also relates to a black leaf tea product obtainable by this process.
    Type: Application
    Filed: August 2, 2017
    Publication date: June 6, 2019
    Inventors: Andrew James DYKS, Luke Richard NUNN, David George SHARP
  • Publication number: 20190166868
    Abstract: The present invention relates to a process for manufacturing a black leaf tea product, the process comprising: providing black leaf tea material having a moisture content of less than 20 wt. %; and then subjecting this black leaf tea starting material to a heat treatment step by contacting it with a heated surface at a temperature of 60° C. to 100° C. in the presence of steam for a duration of at least 2 minutes.
    Type: Application
    Filed: August 2, 2017
    Publication date: June 6, 2019
    Inventors: Luke Richard NUNN, David George SHARP
  • Publication number: 20160278398
    Abstract: A process for producing tea products is provided, the process comprising: providing fresh whole tea leaves; placing the tea leaves into a press, and pressing the leaves thereby producing tea juice and leaf residue, whilst applying steam to the outside of the press, so that the steam comes into contact with the juice as it leaves the press; collecting the juice; and processing the leaf residue to produce black tea. A green tea product obtainable by the process of the invention is also provided. The product contains greater than 3.0% theanine by weight of the total tea solids and has a weight ratio of theanine to total polyphenols of less than 1:6.
    Type: Application
    Filed: March 7, 2014
    Publication date: September 29, 2016
    Applicant: CONOPCO, INC., D/B/A UNILEVER
    Inventors: John MUTUA MUTUKU, David George SHARP
  • Patent number: 9078455
    Abstract: Disclosed is a process comprising the steps of: expressing juice from a supply of fresh tea leaves thereby to produce leaf residue and tea juice; subjecting the supply of fresh tea leaves and/or the tea juice to a fermentation step thereby to at least partially ferment the tea juice; and combining the at least partially fermented tea juice with substantially unfermented tea material comprising active endogenous enzymes, thereby to form a mixture; and subjecting the mixture to an enzyme deactivation step thereby to prevent fermentation of the substantially unfermented tea material in the mixture.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: July 14, 2015
    Assignee: Conopco, Inc.
    Inventors: David George Sharp, Alistair David Smith
  • Publication number: 20140113054
    Abstract: Disclosed is a process comprising the steps of: a) heating fresh tea leaves; and b) expressing juice from the fresh tea leaves whilst the temperature of the fresh tea leaves is greater than 40° C. and less than 77° C., thereby to produce leaf residue and tea juice.
    Type: Application
    Filed: May 30, 2012
    Publication date: April 24, 2014
    Inventor: David George Sharp
  • Publication number: 20140113053
    Abstract: Disclosed is a tea-based beverage comprising expressed tea juice, wherein the beverage has a total aluminium content of less than 8 ppm; a total fluoride content of less than 8 ppm; or both.
    Type: Application
    Filed: November 14, 2011
    Publication date: April 24, 2014
    Inventors: Felix Kipkorir Mutai, Theresa Jane Neely, David George Sharp
  • Publication number: 20130202769
    Abstract: Disclosed is a process for manufacturing a green leaf tea product, the process comprising the steps of:—providing fresh tea leaves comprising catechins and active endogenous enzymes;—comminuting the fresh tea leaves comprising active endogenous enzymes under aerobic conditions sufficient to cause substantial bruising to the leaves;—inactivating the endogenous enzymes in the comminuted fresh tea leaves to substantially prevent fermentation of the fresh leaves;—and drying the comminuted fresh tea leaves to yield the green leaf tea product.
    Type: Application
    Filed: August 10, 2011
    Publication date: August 8, 2013
    Inventors: Steven Peter Colliver, Andrew Lee Downie, Felix Kipkorir Mutai, David George Sharp
  • Publication number: 20130011518
    Abstract: Disclosed is a process comprising the steps of: expressing juice from a supply of fresh tea leaves thereby to produce leaf residue and tea juice; subjecting the supply of fresh tea leaves and/or the tea juice to a fermentation step thereby to at least partially ferment the tea juice; and combining the at least partially fermented tea juice with substantially unfermented tea material comprising active endogenous enzymes, thereby to form a mixture; and subjecting the mixture to an enzyme deactivation step thereby to prevent fermentation of the substantially unfermented tea material in the mixture.
    Type: Application
    Filed: March 9, 2011
    Publication date: January 10, 2013
    Inventors: David George Sharp, Alistair David Smith
  • Patent number: 8273395
    Abstract: Shown is a process having the steps of: providing fresh tea material rich in stem; and expressing juice from the fresh tea material thereby to produce stem residue and tea juice having a mixture of tea compounds.
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: September 25, 2012
    Assignee: Conopco, Inc.
    Inventors: Steven Peter Colliver, David George Sharp, Ian Smith
  • Patent number: 8088424
    Abstract: Shown is a process having the steps of: expressing juice from fresh tea leaves thereby to produce leaf residue and tea juice, wherein the amount of expressed juice is between 10 and 300 ml per kg of the fresh tea leaves; and processing the leaf residue to produce leaf tea and/or a tea extract.
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: January 3, 2012
    Assignee: Conopco, Inc.,
    Inventors: Steven Peter Colliver, David George Sharp
  • Patent number: 7799364
    Abstract: The present invention provides a method of manufacturing a green tea product with enhanced aroma. The method comprises the steps of: providing an aroma composition comprising E-2-hexenal and linalool in a weight ratio of at least 0.7:1; and combining the aroma composition with the tea product. Also provided are green tea products with enhanced aroma.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: September 21, 2010
    Assignee: Conopco Inc.
    Inventors: Steven Peter Colliver, Michael Alan Cooper, Allen Griffiths, Alan David Peilow, David George Sharp
  • Publication number: 20100086645
    Abstract: Disclosed is a process comprising the step of: expressing juice from a first supply of fresh tea leaves thereby to produce leaf residue and tea juice; subjecting the first supply of fresh tea leaves and/or the tea juice to an enzyme deactivation treatment thereby to prevent fermentation of the tea juice; and combining the tea juice in which the enzymes have been deactivated with fermented or fermenting tea material.
    Type: Application
    Filed: September 30, 2009
    Publication date: April 8, 2010
    Applicant: CONOPCO, INC., D/B/A UNILEVER
    Inventors: Steven Peter Colliver, Andrew Lee Downie, David George Sharp, Xiaoqing You
  • Publication number: 20100086642
    Abstract: Disclosed is a process comprising the steps of: expressing juice from a first supply of fresh tea leaves thereby to produce leaf residue and tea juice; subjecting the first supply of fresh tea leaves and/or the tea juice to a fermentation step thereby to at least partially ferment the tea juice; and combining the at least partially fermented tea juice with substantially unfermented tea material.
    Type: Application
    Filed: September 30, 2009
    Publication date: April 8, 2010
    Applicant: CONOPCO, INC., D/B/A UNILEVER
    Inventors: Steven Peter Colliver, Andrew Lee Downie, David George Sharp, Xiaoqing You
  • Publication number: 20090202676
    Abstract: Disclosed is a process for manufacturing a tea product. The process comprises the step of combining tea juice expressed from a first supply of fresh tea leaves with leaf tea from a second supply of fresh tea leaves and/or with tea solids extracted from the leaf tea.
    Type: Application
    Filed: February 2, 2009
    Publication date: August 13, 2009
    Inventors: Steven Peter COLLIVER, David George SHARP
  • Publication number: 20090186125
    Abstract: Disclosed is a process comprising the steps of: expressing juice from fresh tea leaves thereby to produce leaf residue and juice comprising a mixture of tea compounds; fractionating the mixture; and recovering at least one fraction enriched in at least one tea compound.
    Type: Application
    Filed: November 4, 2008
    Publication date: July 23, 2009
    Inventors: Steven Peter Colliver, David George Sharp
  • Publication number: 20090117229
    Abstract: Disclosed is a process comprising the steps of: providing fresh tea leaves comprising catechins; macerating the fresh tea leaves thereby to produce dhool; fermenting the dhool for a fermentation time (tF) sufficient to reduce the content of catechins in the dhool to less than 50% of the content of catechins in the fresh tea leaves prior to maceration on a dry weight basis; and then expressing juice from the fermented dhool thereby to produce leaf residue and tea juice, wherein the amount of expressed juice is at least 50 ml per kg of the fresh tea leaves.
    Type: Application
    Filed: November 4, 2008
    Publication date: May 7, 2009
    Inventors: Steven Peter Colliver, Andrew Lee Downie, David George Sharp, Xiaoqing You
  • Publication number: 20090118360
    Abstract: Disclosed is a process comprising the steps of: expressing juice from fresh tea leaves thereby to produce leaf residue and tea juice wherein the amount of expressed juice is greater than 300 ml per kg of fresh tea leaves; subjecting the fresh tea leaves and/or the leaf residue to an enzyme deactivation treatment thereby to prevent fermentation of the leaf residue; and drying the leaf residue to produce leaf tea. Also disclosed is a leaf tea obtained by the process.
    Type: Application
    Filed: November 4, 2008
    Publication date: May 7, 2009
    Inventors: Steven Peter Colliver, David George Sharp
  • Publication number: 20090117251
    Abstract: Disclosed is a process comprising the steps of: expressing juice from fresh tea leaves thereby to produce leaf residue and tea juice, wherein the amount of expressed juice is between 10 and 300 ml per kg of the fresh tea leaves; and processing the leaf residue to produce leaf tea and/or a tea extract.
    Type: Application
    Filed: November 4, 2008
    Publication date: May 7, 2009
    Inventors: Steven Peter Colliver, David George Sharp