Patents by Inventor John Fong
John Fong 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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Publication number: 20240130392Abstract: A soluble cascara powder product with improved compositional and sensory characteristics, for use in food and beverage products is provided, as well as methods of preparing the soluble cascara powder. The soluble cascara powder may be a blend of powders derived from coffee cherry fruit to create a highly palatable and novel soluble cascara powder product, and one with desirable compositional characteristics such as phenolic content and bioactive compound content. Example methods of processing of the coffee fruit to prepare the soluble cascara powder may also result in soluble cascara powder that will result in advantageously low turbidity levels when used in beverage compositions.Type: ApplicationFiled: October 13, 2023Publication date: April 25, 2024Inventors: Siva Subramanian Chittor Gopalakrishnan, Leonard S. Fong, Francis John Yap Sun
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Patent number: 11826925Abstract: In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises a thiol monomer component and an ene monomer component. Moreover, in some cases, an ink described herein further comprises an additional (meth)acrylate monomer component differing from the ene monomer component. In some such cases, the additional (meth)acrylate monomer component can be polymerized separately from the thiol and ene monomers of the ink.Type: GrantFiled: August 16, 2021Date of Patent: November 28, 2023Assignee: 3D SYSTEMS, INC.Inventors: John Fong, Pingyong Xu
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Publication number: 20230357577Abstract: Polymerizable liquids are described herein which, in some embodiments, can produce 3D printed articles of high resolution and desirable mechanical properties. In one aspect, a polymerizable liquid comprises an acrylate component, and a composite resin comprising a curable carrier and polymeric particles dispersed in the curable carrier. The polymerizable liquid also comprises a photoinitiator component.Type: ApplicationFiled: July 6, 2023Publication date: November 9, 2023Inventor: John FONG
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Publication number: 20230331974Abstract: Polymerizable liquids are described herein which, in some embodiments, can produce 3D printed articles of high resolution and desirable mechanical properties. In one aspect, a polymerizable liquid comprises an acrylate component, a polymeric additive, and a monomeric curing agent, wherein the acrylate component and monomeric curing agent are copolymerizable upon exposure to light. In being copolymerizable, the acrylate component and monomeric curing agent can form a copolymer. As described father herein, the monomeric curing agent can enable further reaction of the copolymer with one or more crosslinking species to link the copolymer with one more polymeric networks.Type: ApplicationFiled: June 15, 2023Publication date: October 19, 2023Inventors: Pingyong XU, John FONG, John STOCKWELL
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Patent number: 11739221Abstract: Polymerizable liquids are described herein which, in some embodiments, can produce 3D printed articles of high resolution and desirable mechanical properties. In one aspect, a polymerizable liquid comprises an acrylate component, and a composite resin comprising a curable carrier and polymeric particles dispersed in the curable carrier. The polymerizable liquid also comprises a photoinitiator component.Type: GrantFiled: November 10, 2021Date of Patent: August 29, 2023Assignee: 3D SYSTEMS, INC.Inventor: John Fong
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Patent number: 11718743Abstract: Polymerizable liquids are described herein which, in some embodiments, can produce 3D printed articles of high resolution and desirable mechanical properties. In one aspect, a polymerizable liquid comprises an acrylate component, a polymeric additive, and a monomeric curing agent, wherein the acrylate component and monomeric curing agent are copolymerizable upon exposure to light. In being copolymerizable, the acrylate component and monomeric curing agent can form a copolymer. As described father herein, the monomeric curing agent can enable further reaction of the copolymer with one or more crosslinking species to link the copolymer with one more polymeric networks.Type: GrantFiled: July 10, 2020Date of Patent: August 8, 2023Assignee: 3D SYSTEMS, INC.Inventors: Pingyong Xu, John Fong, John Stockwell
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Publication number: 20220154005Abstract: Polymerizable liquids are described herein which, in some embodiments, can produce 3D printed articles of high resolution and desirable mechanical properties. In one aspect, a polymerizable liquid comprises an acrylate component, and a composite resin comprising a curable carrier and polymeric particles dispersed in the curable carrier. The polymerizable liquid also comprises a photoinitiator component.Type: ApplicationFiled: November 10, 2021Publication date: May 19, 2022Inventor: John Fong
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Publication number: 20210403733Abstract: In one aspect, inks for use with a three-dimensional (3D) printing system are described herein. In some embodiments, an ink described herein comprise 10-70 wt. % or 20-40 wt. % of a cyclopolymerizable monomer, based on the total weight of the ink. The cyclopolymerizable monomer comprises an acrylate moiety and an ethenyl or ethynyl moiety, and the ?-carbon of the acrylate moiety and the ?-carbon of the ethenyl or ethynyl moiety may have a 1,5-, 1,6-, 1,7-, or 1,8-relationship. Additionally, an ink described herein can have a viscosity of 1600 centipoise (cP) or less at 30° C., or of 500 cP or less at 30° C. and can be used to print a desired 3D article having mechanical properties similar to those of articles formed from thermoplastic materials.Type: ApplicationFiled: September 8, 2021Publication date: December 30, 2021Inventors: Pingyong Xu, John Fong
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Publication number: 20210370548Abstract: In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises a thiol monomer component and an ene monomer component. Moreover, in some cases, an ink described herein further comprises an additional (meth)acrylate monomer component differing from the ene monomer component. In some such cases, the additional (meth)acrylate monomer component can be polymerized separately from the thiol and ene monomers of the ink.Type: ApplicationFiled: August 16, 2021Publication date: December 2, 2021Inventors: John Fong, Pingyong Xu
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Patent number: 11142660Abstract: In one aspect, inks for use with a three-dimensional (3D) printing system are described herein. In some embodiments, an ink described herein comprise 10-70 wt. % or 20-40 wt. % of a cyclopolymerizable monomer, based on the total weight of the ink. The cyclopolymerizable monomer comprises an acrylate moiety and an ethenyl or ethynyl moiety, and the ?-carbon of the acrylate moiety and the ?-carbon of the ethenyl or ethynyl moiety may have a 1,5-, 1,6-, 1,7-, or 1,8-relationship. Additionally, an ink described herein can have a viscosity of 1600 centipoise (cP) or less at 30° C., or of 500 cP or less at 30° C. and can be used to print a desired 3D article having mechanical properties similar to those of articles formed from thermoplastic materials.Type: GrantFiled: January 31, 2018Date of Patent: October 12, 2021Assignee: 3D SYSTEMS, INC.Inventors: Pingyong Xu, John Fong
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Patent number: 11090835Abstract: In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises a thiol monomer component and an ene monomer component. Moreover, in some cases, an ink described herein further comprises an additional (meth)acrylate monomer component differing from the ene monomer component. In some such cases, the additional (meth)acrylate monomer component can be polymerized separately from the thiol and ene monomers of the ink.Type: GrantFiled: May 13, 2019Date of Patent: August 17, 2021Assignee: 3D SYSTEMS, INC.Inventors: John Fong, Pingyong Xu
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Publication number: 20210009800Abstract: Polymerizable liquids are described herein which, in some embodiments, can produce 3D printed articles of high resolution and desirable mechanical properties. In one aspect, a polymerizable liquid comprises an acrylate component, a polymeric additive, and a monomeric curing agent, wherein the acrylate component and monomeric curing agent are copolymerizable upon exposure to light. In being copolymerizable, the acrylate component and monomeric curing agent can form a copolymer. As described father herein, the monomeric curing agent can enable further reaction of the copolymer with one or more crosslinking species to link the copolymer with one more polymeric networks.Type: ApplicationFiled: July 10, 2020Publication date: January 14, 2021Inventors: Pingyong XU, John Fong, John Stockwell
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Patent number: 10435573Abstract: In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises 10-60 wt. % oligomeric curable material; 30-80 wt. % monomeric curable material; and 10-35 wt. % self-curable light-sensitive oligomer, based on the total weight of the ink. Moreover, in some cases, the ink is free or substantially free of non-curable photoinitiator. For example, in some instances, the ink further comprises less than 0.1 wt. % or less than 0.05 wt. % non-curable photoinitiator, based on the total weight of the ink.Type: GrantFiled: November 1, 2016Date of Patent: October 8, 2019Assignee: 3D Systems, Inc.Inventors: Pingyong Xu, John Fong
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Publication number: 20190263019Abstract: In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises a thiol monomer component and an ene monomer component. Moreover, in some cases, an ink described herein further comprises an additional (meth)acrylate monomer component differing from the ene monomer component. In some such cases, the additional (meth)acrylate monomer component can be polymerized separately from the thiol and ene monomers of the ink.Type: ApplicationFiled: May 13, 2019Publication date: August 29, 2019Inventors: JOHN FONG, Pingyong Xu
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Patent number: 10328603Abstract: In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises a thiol monomer component and an ene monomer component. Moreover, in some cases, an ink described herein further comprises an additional (meth)acrylate monomer component differing from the ene monomer component. In some such cases, the additional (meth)acrylate monomer component can be polymerized separately from the thiol and ene monomers of the ink.Type: GrantFiled: April 6, 2017Date of Patent: June 25, 2019Assignee: 3D Systems, IncorporatedInventors: John Fong, Pingyong Xu
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Publication number: 20180215933Abstract: In one aspect, inks for use with a three-dimensional (3D) printing system are described herein. In some embodiments, an ink described herein comprise 10-70 wt. % or 20-40 wt. % of a cyclopolymerizable monomer, based on the total weight of the ink. The cyclopolymerizable monomer comprises an acrylate moiety and an ethenyl or ethynyl moiety, and the ?-carbon of the acrylate moiety and the ?-carbon of the ethenyl or ethynyl moiety may have a 1,5-, 1,6-, 1,7-, or 1,8-relationship. Additionally, an ink described herein can have a viscosity of 1600 centipoise (cP) or less at 30° C., or of 500 cP or less at 30° C. and can be used to print a desired 3D article having mechanical properties similar to those of articles formed from thermoplastic materials.Type: ApplicationFiled: January 31, 2018Publication date: August 2, 2018Inventors: Pingyong Xu, John Fong
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Publication number: 20170291357Abstract: In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises a thiol monomer component and an ene monomer component. Moreover, in some cases, an ink described herein further comprises an additional (meth)acrylate monomer component differing from the ene monomer component. In some such cases, the additional (meth)acrylate monomer component can be polymerized separately from the thiol and ene monomers of the ink.Type: ApplicationFiled: April 6, 2017Publication date: October 12, 2017Inventors: John Fong, Pingyong Xu
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Publication number: 20170121542Abstract: In one aspect, inks for use with a three-dimensional printing system are described herein. In some embodiments, an ink described herein comprises 10-60 wt. % oligomeric curable material; 30-80 wt. % monomeric curable material; and 10-35 wt. % self-curable light-sensitive oligomer, based on the total weight of the ink. Moreover, in some cases, the ink is free or substantially free of non-curable photoinitiator. For example, in some instances, the ink further comprises less than 0.1 wt. % or less than 0.05 wt. % non-curable photoinitiator, based on the total weight of the ink.Type: ApplicationFiled: November 1, 2016Publication date: May 4, 2017Inventors: Pingyong Xu, John Fong
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Patent number: 9544404Abstract: Systems and methods are disclosed for optimizing Robust Header Compression (RoHC) to protect against context desynchronization resulting from a burst of lost packets. In one embodiment, a method of operation of a radio node to adapt a RoHC compressor of a radio node based on a transmit channel quality metric is provided. In another embodiment, systems and methods relating to improved RoHC SN decoding are disclosed. In one embodiment, a method of operation of a radio node includes determining a size of a Packet Data Convergence Protocol (PDCP) Sequence Number (SN) gap for a radio link between the radio node and a second radio node, and performing RoHC SN decoding based on the size of the PDCP SN gap.Type: GrantFiled: August 15, 2014Date of Patent: January 10, 2017Assignee: Telefonaktiebolaget L M Ericsson (publ)Inventors: Samir Shah, John Fong, Adrian Turcanu
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Publication number: 20160241685Abstract: Systems and methods are disclosed for optimizing Robust Header Compression (RoHC) to protect against context desynchronization resulting from a burst of lost packets. In one embodiment, a method of operation of a radio node to adapt a RoHC compressor of a radio node based on a transmit channel quality metric is provided. In another embodiment, systems and methods relating to improved RoHC SN decoding are disclosed. In one embodiment, a method of operation of a radio node includes determining a size of a Packet Data Convergence Protocol (PDCP) Sequence Number (SN) gap for a radio link between the radio node and a second radio node, and performing RoHC SN decoding based on the size of the PDCP SN gap.Type: ApplicationFiled: August 15, 2014Publication date: August 18, 2016Inventors: Samir Shah, John Fong, Adrian Turcanu