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1. 发明授权

US11958747B2 Annealed metal nano-particle decorated nanotubes 有权
公开(公告)号：US11958747B2
公开(公告)日：2024-04-16
申请号：US17235825
申请日：2021-04-20
申请人： Palo Alto Research Center Incorporated , United States of America as Represented by the Administrator of the NASA , Bay Systems Consulting, Inc.
发明人： Gabriel Iftime , Beomseok Kim , Clinton J. Smith , Eric D. Cocker , Junhua Wei , David Eric Schwartz , Meyya Meyyappan , Rahul Pandey , Yong Zhang
IPC分类号： C01B32/168 , C01B32/176 , G01N27/12 , G01N33/00
CPC分类号： C01B32/168 , C01B32/176 , G01N27/12 , G01N33/0036
摘要： Disclosed are methods and systems of providing carbon nanotubes decorated with polymer coated metal nanoparticles. Then, annealing the metal coated carbon nanotubes to reduce a quantity of hydrophilic components of the polymer coating.

2. 发明申请

US20230021181A1 PROCESSES FOR FORMATION OF POROUS BIOLOGICALLY COMPATIBLE SCAFFOLD STRUCTURES 有权
公开(公告)号：US20230021181A1
公开(公告)日：2023-01-19
申请号：US17951259
申请日：2022-09-23
申请人： PALO ALTO RESEARCH CENTER INCORPORATED
发明人： Junhua Wei , Gabriel Iftime , Jessica Louis Baker Rivest , Anne Plochowietz
IPC分类号： B29C64/10
摘要： A method of forming a porous structure involves mixing a solvent with a curable material which disperses in the solvent such that the mixture has greater than 50% solvent content. The mixture is deposited on a substrate and viscosity of the mixture is increased. The curable material in the mixture is cured while a shape of the curable material is maintained by the solvent. After curing, the solvent is removed from the structure.

3. 发明授权

US11207640B2 System and method for adjusting carbon dioxide concentration in indoor atmospheres 有权
公开(公告)号：US11207640B2
公开(公告)日：2021-12-28
申请号：US15880780
申请日：2018-01-26
申请人： Palo Alto Research Center Incorporated
发明人： Divyaraj Desai , Jessica Louis Baker Rivest , Gabriel Iftime , Vedhasri Vedharathinam , Mahati Chintapalli , Junhua Wei , Sean Emerson Doris
IPC分类号： B01D53/32 , C08J5/22 , F24F8/192
摘要： An electrochemical device suited to modifying a carbon dioxide concentration in an interior space includes a cathode chamber with an inlet which receives a feed gas containing carbon dioxide. A reduction catalyst layer in the cathode chamber reduces carbon dioxide in the gas to form an ionic carrier species. An anode chamber with an outlet outputs a gas comprising carbon dioxide. A solid electrolyte membrane spaces the anode chamber from the cathode chamber and transports the ionic carrier species between the cathode chamber and the anode chamber. The membrane includes an ionic liquid. An oxidation catalyst layer in the anode chamber oxidizes the ionic carrier species to form carbon dioxide. A voltage source provides a voltage difference across the membrane.

4. 发明申请

US20190194019A1 ANNEALED METAL NANO-PARTICLE DECORATED NANOTUBES 审中-公开
公开(公告)号：US20190194019A1
公开(公告)日：2019-06-27
申请号：US15853432
申请日：2017-12-22
申请人： Palo Alto Research Center Incorporated
发明人： Gabriel Iftime , Beomseok Kim , Clinton Smith , Eric Cocker , Junhua Wei , David Eric Schwartz , Meyya Meyyappan , Rahul Pandey , Yong Zhang
IPC分类号： C01B32/168 , G01N33/00
CPC分类号： C01B32/168 , C01B32/176 , G01N27/12 , G01N33/0036
摘要： Disclosed are methods and systems of providing carbon nanotubes decorated with polymer coated metal nanoparticles. Then, annealing the metal coated carbon nanotubes to reduce a quantity of hydrophilic components of the polymer coating.

5. 发明授权

US11866559B2 Fast fabrication of fiber reinforced polymers using solid epoxy powder containing an initiator 有权
公开(公告)号：US11866559B2
公开(公告)日：2024-01-09
申请号：US17147217
申请日：2021-01-12
申请人： PALO ALTO RESEARCH CENTER INCORPORATED
发明人： Junhua Wei , Gabriel Iftime , Michael Benedict , Mahati Chintapalli
IPC分类号： C08K3/36 , C08J5/24 , C08K3/34 , C08K3/04 , C08L101/00
CPC分类号： C08J5/243 , C08K3/042 , C08K3/346 , C08K3/36 , C08L101/00 , C08J2363/00
摘要： A method of manufacturing includes producing a powder resin comprising a polymer precursor and a thermal initiator, packing a fiber structure with the powder resin, resulting in a resin-packed structure, and heating the resin-packed structure to a curing temperature high enough to melt and cure the resin-packed structure to form a final structure.

6. 发明申请

US20230069939A1 FABRICATION OF BENZOXAZINE FUNCTIONALIZED PARTICLES 有权
公开(公告)号：US20230069939A1
公开(公告)日：2023-03-09
申请号：US17854261
申请日：2022-06-30
申请人： PALO ALTO RESEARCH CENTER INCORPORATED
发明人： Gabriel Iftime , Junhua Wei , Mahati Chintapalli
IPC分类号： C08K9/04 , C08K3/14 , C04B14/32
摘要： A method includes adding particles to an alkaline solution, stirring the solution to cause the particles to acquire hydroxyl groups producing activated particles, dispersing the activated particles into a solvent solution, adding acetylene benzoxazine into the solvent solution, mixing the solvent solution, removing the solvent from the solvent solution to produce acetylene-benzoxazine functionalized particles, and drying the acetylene-benzoxazine functionalized particles. A composition of matter has acetylene-benzoxazine functionalized particles dispersed in a resin.

7. 发明申请

US20220362990A1 INKJET BASED SOLID PARTICLE POWDER BED CROSSLINKING 有权
公开(公告)号：US20220362990A1
公开(公告)日：2022-11-17
申请号：US17322534
申请日：2021-05-17
申请人： PALO ALTO RESEARCH CENTER INCORPORATED
发明人： Michael Benedict , Junhua Wei , Gabriel Iftime
IPC分类号： B29C64/165 , B33Y10/00 , B33Y30/00
摘要： A method of three-dimensional manufacturing including depositing a layer of powder in a powder bed, the layer comprising particles of at least a first component of a two-component reactive material, dispensing a first solution containing at least one of a solvent and a second component of the two-component reactive material the solvent selected to cause the two components to form one or more cross-linked regions of a three-dimensional object, iterating the depositing and dispensing to form subsequent layers of the three-dimensional object until the object is formed, and removing any unwanted particles from the object. A three-dimensional manufacturing system has a powder bed to hold layers of particles, and one or more print heads positioned to dispense liquid onto the powder bed to cause the particles for form one or more cross-linked regions in layers of a solid object.

8. 发明授权

US11446864B2 Additive manufacturing compositions and methods for the same 有权
公开(公告)号：US11446864B2
公开(公告)日：2022-09-20
申请号：US16816105
申请日：2020-03-11
申请人： PALO ALTO RESEARCH CENTER INCORPORATED
发明人： Junhua Wei , Anne Plochowietz , Kent Evans , Sean E. Doris
IPC分类号： B29C64/188 , B29C64/118 , B29C64/153 , C23C18/54 , G06T17/00 , B33Y10/00 , B33Y70/00 , B33Y80/00 , B33Y40/20 , B29K55/02 , B29K67/00
摘要： Additive manufacturing compositions and methods for fabricating a conductive article with the same are provided. The additive manufacturing composition may include a 3D printable material and a metal precursor disposed in the 3D printable material. The metal precursor may include a metal salt, a metal particle, or combinations thereof. The method may include forming a first layer of the article on a substrate, where the first layer includes the additive manufacturing composition, forming a second layer of the article adjacent the first layer, and binding the first layer with the second layer to fabricate the article. The method may also include plating a metal on at least a portion of the article to fabricate the conductive article.

9. 发明申请

US20200262755A1 DURABLE CONCRETE WITH CHEMICALLY LINKED CEMENT 审中-公开
公开(公告)号：US20200262755A1
公开(公告)日：2020-08-20
申请号：US16710246
申请日：2019-12-11
申请人： PALO ALTO RESEARCH CENTER INCORPORATED
发明人： Gabriel Iftime , Junhua Wei , Divyaraj Desai , Jessica Louis Baker Rivest
IPC分类号： C04B24/28 , C04B7/02 , C04B24/12 , C04B24/32 , C04B14/06
摘要： A composition of matter has cement particles and resin structures having: a first functional group bonded directly to a surface of each cement particle; and a second functional group that bonds to calcium silicate hydrate upon hydration, wherein the second functional group is bondable with second functional groups of others of the cement particles to form a polymer network; and a backbone that connects the first functional group with the second functional group. A method of forming cement particles includes mixing cement particles with reactive molecules, the reactive molecules having a first functional group bonded directly to a surface of each cement particle, a second functional group that is bondable to calcium silicate hydrate upon hydration, wherein the second functional group is bondable with second function groups of others of the cement particles to form a polymer network, and a backbone that connects the first functional group with the second functional group. A composition of matter has cement particles, and a cured resin structure resulting from a reaction between two or more reactive molecules having functional groups that react with each other onto the surfaces of the cement particle, wherein one of the reactive molecules is used in less than a stoichiometric amount, leaving unreacted functional groups, and wherein the unreacted functional groups are bondable to calcium silicate hydrate upon hydration.

10. 发明授权

US12011871B2 Processes for formation of porous biologically compatible scaffold structures 有权
公开(公告)号：US12011871B2
公开(公告)日：2024-06-18
申请号：US17951259
申请日：2022-09-23
申请人： PALO ALTO RESEARCH CENTER INCORPORATED
发明人： Junhua Wei , Gabriel Iftime , Jessica Louis Baker Rivest , Anne Plochowietz
IPC分类号： B05D7/16 , B29C64/10 , A61L27/56 , B33Y10/00 , B33Y70/00 , B33Y70/10 , B82Y5/00
CPC分类号： B29C64/10 , A61L27/56 , B05D7/16 , B33Y10/00 , B33Y70/00 , B33Y70/10 , B82Y5/00
摘要： A method of forming a porous structure involves mixing a solvent with a curable material which disperses in the solvent such that the mixture has greater than 50% solvent content. The mixture is deposited on a substrate and viscosity of the mixture is increased. The curable material in the mixture is cured while a shape of the curable material is maintained by the solvent. After curing, the solvent is removed from the structure.

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