Patents by Inventor Dandan Chen
Dandan Chen 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: 20260200737Abstract: A sodium ion battery cathode material and its preparation method and application, belonging to the field of sodium ion battery technology. The sodium ion battery cathode material includes a polyanionic iron-manganese core material and a fast ion conductor layer coated on the outer surface of said polyanionic iron-manganese core material; the polyanionic iron-manganese core material contains iron and manganese, and the iron and manganese are non-uniformly distributed within the polyanionic iron-manganese core material; at the center of the polyanionic iron-manganese core material, the manganese content is higher than the iron content; on the surface layer of the polyanionic iron-manganese core material, the iron content is higher than the manganese content. The non-uniform distribution of iron and manganese can effectively mitigate the risk of structural collapse caused by metal ion migration during cycling; the fast ion conductor coating reduces side reactions caused by electrolyte erosion.Type: ApplicationFiled: March 7, 2026Publication date: July 16, 2026Inventors: Hui CAO, Dandan CHEN, Min HOU, Yu ZHANG, Chan LIU
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Publication number: 20260204636Abstract: A free-radical in-situ polymerization semi-solid-state battery includes a positive electrode, a negative electrode and a semi-solid electrolyte. The semi-solid electrolyte is formed through in-situ polymerization by adding a polymerizable monomer, a plasticizer and an initiator into a liquid electrolyte. The polymerizable monomer is a combination of vinylene carbonate (VC) and trimethylene carbonate (TMC) with a mass ratio of 20 to 35:0.1 to 1.5. By optimizing the components of the gel electrolyte, the impedance of the battery is reduced, the performance of the battery is improved, the hardness of the gel electrolyte is enhanced, the solid-solid interface in the battery is benefited, and the safety of the battery is improved.Type: ApplicationFiled: November 29, 2022Publication date: July 16, 2026Inventors: Hui CAO, Yi CUI, Min HOU, Rongrong NIE, Chan LIU, Dandan CHEN, Wei LIU
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Patent number: 12667838Abstract: A microfluidic flow channel structure and a microfluidic chip are described. The microfluidic flow channel structure includes a main chamber, wherein the main chamber includes at least two division zones and a reaction zone, and the at least two division zones are respectively connected with the reaction zone, wherein each division zone includes a first division wall, and the first division wall is provided with an opening for liquid inlet; a diversion structure is arranged at the opening of at least one division zone, and the diversion structure at least includes a first diversion wall, which is arranged opposite the first division wall; a first division channel is formed between the first diversion wall and the first division wall, and the first division channel includes at least two liquid outlets.Type: GrantFiled: February 18, 2022Date of Patent: June 30, 2026Assignee: BOE Technology Group Co LtdInventors: Yunqing Mu, Dandan Chen, Ding Ding
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Publication number: 20260174654Abstract: Methods of shifting biofilm composition in an individual's oral cavity are disclosed. The methods comprise applying to the individual's oral cavity an oral care composition in an amount effective to shift biofilm composition to increase the amount from healthy bacteria in biofilm relative to pathogenic bacteria in biofilm. The oral care composition comprising: zinc oxide, zinc citrate, and arginine. The shift in biofilm composition provides a balance having a greater amount of healthy bacteria in biofilm compared to pathogenic bacteria.Type: ApplicationFiled: February 9, 2026Publication date: June 25, 2026Applicant: Colgate-Palmolive CompanyInventors: Camille ZENOBIA, Carlo Daep, Dandan Chen, Harsh Mahendra Trivedi, James Masters
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Publication number: 20260119758Abstract: A unified mesh vertex indexing method for high-fidelity parallel full-core fast reactor simulation belongs to the fields of high performance computing and numerical simulation. Firstly, a constant is defined and a message passing interface (MPI) is initialized; processors then generate local hash tables concurrently to obtain local vertex numbers; next, a processor 0 generates a global hash table by MPI_Send( ) and MPI_Recv( ) functions, processes a conflict, and finally obtains global vertex numbers, thus building indexes. Local numbering and global numbering of mesh vertexes are realized with the hash table. Parallel processing of vertex numbering tasks of the processors is realized through the MPI. An innovative global vertex numbering method is provided for the processors. Large-scale parallel efficiency is improved. The research and development of large-scale high-fidelity numerical simulation software for a thermal fluid can be facilitated.Type: ApplicationFiled: January 7, 2025Publication date: April 30, 2026Inventors: Genshen CHU, Qi WANG, Lingyu DONG, Tingting CHEN, Jiachen WU, Fangxiao ZHANG, Dandan CHEN, Changjun HU
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Patent number: 12465791Abstract: Provided herein is an oral care composition comprising a basic amino acid or a salt thereof in an amount of from 0.001 weight % to 0.08 weight % by total weight of the composition, and an orally acceptable carrier. The composition is effective in accelerating HSP 27 production in damaged tissues of the oral cavity and enhances repair of the damaged tissue.Type: GrantFiled: March 29, 2022Date of Patent: November 11, 2025Assignee: Colgate-Palmolive CompanyInventors: Dandan Chen, Harsh Mahendra Trivedi, Peter R. Hilliard, Jr., James Masters
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Publication number: 20250297406Abstract: Adapters are provided. An adapter includes at least one first sub-adapter. Each first sub-adapter includes: a first nucleotide single strand and a second nucleotide single strand, the first nucleotide single strand being complementarily paired with the second nucleotide single strand; and a first nucleotide single strand segment, the first nucleotide single strand segment being ligated to an end of the first nucleotide single strand or an end of the second nucleotide single strand. The first nucleotide single strand segment includes at least one random base and at least one adenine (A) base. Each random base is any one of an A base, a cytosine (C) base, a guanine (G) base and a thymine (T) base.Type: ApplicationFiled: April 18, 2022Publication date: September 25, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bangquan YE, Dandan CHEN
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Publication number: 20250235540Abstract: The present invention discloses a non-linear PEGylated lipid, including the structure represented by the Formula (1); wherein, B1 and B2 are linking bonds or alkylene groups; L1 and L2 are linking bonds or divalent linking groups; Lx, Y, and Ld are divalent linking groups; R1 and R2 are C4-50 hydrocarbon groups or C4-50 residues of hydrocarbon derivative containing 1-4 heteroatoms; X is —CH< or n1, n2, and n3 are integers in the range of 4-250; T is a terminal group. Compared with linear PEGylated lipids, the non-linear PEGylated lipid provided herein can realize better protective effects toward the modified LNPs. The lipid pharmaceutical composition of the present invention exhibits high efficiency of drug encapsulation, appropriate particle size, non-toxicity, and good stability in serum. The LNP-nucleic acid pharmaceutical composition of the present invention demonstrates an excellent ability to complex with nucleic acids and shows high transfection activity.Type: ApplicationFiled: April 11, 2023Publication date: July 24, 2025Applicant: XIAMEN SINOPEG BIOTECH CO., LTD.Inventors: Wengui WENG, Chao LIU, Sheng LIN, Ailan WANG, Dandan CHEN, Congming LIN, Qi ZHU, Gouhua WEI
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Publication number: 20250170062Abstract: A non-linear PEGylated lipid of the Formula (1) contains a tertiary amine; wherein, B1 and B2 are linking bonds or alkylene groups; L1, L2, Ld, and Lx are linking bonds or divalent linking groups; R1 and R2 are C1-50 aliphatic hydrocarbon groups or C1-50 residues of aliphatic hydrocarbon derivatives, each containing 0-10 heteroatoms; y is 2 or 3; X is C or CH; XPEG is a polyethylene glycol component. Compared with linear PEGylated lipids, the PEGylated lipid can realize better surface modification of LNP, better protective effects, extended systemic circulation of LNP, and significantly reduced biological toxicity of LNP. The LNP pharmaceutical composition shows excellent drug delivery capabilities. The lipid-nucleic acid pharmaceutical composition and its formulation exhibit higher pharmaceutical efficacy, especially the LNP-nucleic acid pharmaceutical composition.Type: ApplicationFiled: April 11, 2023Publication date: May 29, 2025Applicant: XIAMEN SINOPEG BIOTECH CO., LTD.Inventors: Wengui WENG, Chao LIU, Sheng LIN, Dandan CHEN, Guohua WEI, Ailan WANG, Qi ZHU, Congming LIN
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Publication number: 20250152512Abstract: A nitrogen-branched non-linear PEGylated lipid containing a tertiary amine, which is represented by the Formula (1); wherein, B1 and B2 are linking bonds or alkylene groups; L1, L2, Ld and Lx are linking bonds or divalent linking groups L; R1 and R2 are C1-50 aliphatic hydrocarbon groups or C1-50 residues of aliphatic hydrocarbon derivative, each containing 0-10 heteroatoms; Ncore is a multivalent group of valence y+1 and contains a trivalent nitrogen-atom branching core connected to Ld; y is 2, 3, 4, 5, 6, 7, 8, 9, or ?10; XPEG are polyethylene glycol components. Compared with linear PEGylated lipids, the nitrogen-branched PEGylated lipid herein can realize better surface modification of LNP. The present invention also provides a lipid pharmaceutical composition and its formulation containing the PEGylated lipid, which can enhance the targeting ability of drugs and improve the transfection efficiency of nucleic acid drugs.Type: ApplicationFiled: April 11, 2023Publication date: May 15, 2025Applicant: XIAMEN SINOPEG BIOTECH CO., LTD.Inventors: Wengui WENG, Chao LIU, Dandan CHEN, Sheng LIN, Ailan WANG, Guohua WEI, Congming LIN, Qi ZHU
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Publication number: 20250144236Abstract: A nitrogen-branched non-linear PEGylated lipid of Formula (1), wherein, X is —CRa< or (Ra is H or a C1-12 alkyl group); B1 and B2 are linking bonds or C1-20 alkylene groups; L1 and L2 are linking bonds or divalent linking groups; R1 and R2 are C1-50 aliphatic hydrocarbon groups or C1-50 residues of aliphatic hydrocarbon derivative, each containing 0-10 heteroatoms; Ld is a linking bond or a divalent linking group; Ncore is a multivalent group of valence y+1, and contains a trivalent nitrogen-atom branching core connected to Ld; y is 2, 3, 4, 5, 6, 7, 8, 9, or ?10; Lx is a linking bond or a divalent linking group; XPEG is a polyethylene glycol component. The non-linear PEGylated lipid herein can realize better surface modification of LNP. The lipid nanoparticle pharmaceutical composition and its formulation exhibit higher drug efficacy, especially for nucleic acid drugs.Type: ApplicationFiled: April 11, 2023Publication date: May 8, 2025Applicant: XIAMEN SINOPEG BIOTECH CO., LTD.Inventors: Wengui WENG, Chao LIU, Ailan WANG, Dandan CHEN, Sheng LIN, Guohua WEI, Qi ZHU, Congming LIN
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Patent number: 12265086Abstract: Methods of identifying an individual as being a slow gingivitis responder or a high gingivitis responder are disclosed. Some methods are based on IL-1? levels in the individual's GCF at the site of inflammation. Some methods are based on MIF and/or CCL-1 levels in the individual's GCF in healthy tissue distant from the site of inflammation. Some disclosed methods are based on temporal differences in IL-8, IL-6 and/or TNF? levels in the individual's GCF in healthy tissue distant from the site of inflammation during the development of plaque induced inflammation. Methods of treating an individual who has gingivitis and methods of preventing gingivitis are also provided. The treatment and prevention methods comprise determining if individual is a slow gingivitis responder or a high gingivitis responder and applying oral care compositions to the individual's oral cavity.Type: GrantFiled: February 10, 2022Date of Patent: April 1, 2025Assignee: Colgate-Palmolive CompanyInventors: Dandan Chen, Harsh Mahendra Trivedi, James Masters, Richard P. Darveau, Jeffrey S. Mclean
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Publication number: 20250041196Abstract: Oral care compositions and methods for treating, preventing, or inhibiting dry mouth and/or inflammation of the oral cavity or a surface thereof are disclosed. Oral care compositions for improving oral care by treating, preventing, or otherwise inhibiting discomfort, irritation, or gum pain of the oral cavity are also disclosed. The oral care composition may include an orally acceptable vehicle, hyaluronic acid, and one or more benefit agents. The method for treating, preventing, or inhibiting dry mouth and/or inflammation of the oral cavity or a surface thereof may include contacting the oral cavity or the surface thereof with the oral care compositions.Type: ApplicationFiled: December 7, 2022Publication date: February 6, 2025Applicant: Colgate-Palmolive CompanyInventors: Yuzhi DENG, Dandan CHEN, Diana Liceth HENAO ADLEVANKIN, Joseph Allan McKinnon STEELE, Julia Maighdlin DUGDALE, Paul THOMSON, Payal ARORA, Manisha JHA, Lisa Marie MANUS, Ying YANG
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Publication number: 20250034080Abstract: A novel type of cationic lipid and PEGylated derivative thereof, a cationic liposome and a cationic liposome-nucleic acid pharmaceutical composition containing the cationic lipid and formulation thereof include an ionizable lipid compound of the general formula (1). This compound is slightly ionized or neutral at physiological pH but undergoes greater ionization under acidic conditions, exhibiting lower toxicity in the systemic circulation and improved endosomal escape ability. The compound's polar head contains an ionizable tertiary amine group along with a side chain containing functional groups, while the tail chains may include linking groups that are easily degraded. Cationic liposomes containing the compound have a better ability to complex with nucleic acid drugs, higher stability in serum, no apparent cytotoxicity, and high transfection efficiency.Type: ApplicationFiled: January 1, 2023Publication date: January 30, 2025Applicant: XIAMEN SINOPEG BIOTECH CO., LTD.Inventors: Sheng LIN, Minggui LIN, Dandan CHEN, Ailan WANG, Congming LIN, Qi ZHU, Wengui WENG, Chao LIU, Jinchun YUAN
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Publication number: 20240351966Abstract: Provided are a class of alkylphenol compounds and a preparation method therefor. Specifically provided are a new alkyl polyphenol compound as represented by chemical formula I, and a preparation method therefor and the use thereof in the treatment of metabolic syndrome.Type: ApplicationFiled: May 11, 2022Publication date: October 24, 2024Inventors: Fajun NAN, Jingya LI, Zheng ZHANG, Yanan DUAN, Yangming ZHANG, Dandan CHEN, Chengqiu DAI
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Publication number: 20240246074Abstract: A microfluidic flow channel structure and a microfluidic chip are described. The microfluidic flow channel structure includes a main chamber, wherein the main chamber includes at least two division zones and a reaction zone, and the at least two division zones are respectively connected with the reaction zone, wherein each division zone includes a first division wall, and the first division wall is provided with an opening for liquid inlet; a diversion structure is arranged at the opening of at least one division zone, and the diversion structure at least includes a first diversion wall, which is arranged opposite the first division wall; a first division channel is formed between the first diversion wall and the first division wall, and the first division channel includes at least two liquid outlets.Type: ApplicationFiled: February 18, 2022Publication date: July 25, 2024Inventors: Yunqing MU, Dandan CHEN, Ding DING
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Publication number: 20240178461Abstract: A battery cell, a battery, and an electric device relating to the field of battery.Type: ApplicationFiled: November 28, 2023Publication date: May 30, 2024Inventors: Hui CAO, Dandan CHEN, Min HOU, Xuxiang WANG, Wei LIU
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Publication number: 20240105933Abstract: The present disclosure discloses a high-safety ternary positive electrode material and a method for preparing the same; wherein the ternary positive electrode material has a chemical composition of Lia(NixCoyMn1-x-y)1-bMbO2-cAc, wherein 0.75?a?1.2, 0.75?x<1, 0<y?0.15, 1?x?y>0, 0?b?0.01, 0?c?0.2, M is one or more selected from the group consisting of Al, Zr, Ti, Y, Sr, W and Mg, and A is one or more selected from the group consisting of S, F and N; and CMn?(1?x?y)?0.07; CCo?y?0.05; 0?[CMn?(1?x?y)]/(CCo?y)?2.0. The ternary positive electrode material of the present disclosure is a high-nickel single crystal material with gradient concentration; it has the advantages of high capacity and high thermal stability, and the preparation method is simple, and is suitable for large-scale production.Type: ApplicationFiled: May 18, 2023Publication date: March 28, 2024Inventors: Hui CAO, Yi YAO, Min HOU, Chan LIU, Yingying GUO, Dandan CHEN
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Publication number: 20240050344Abstract: Methods of increasing sIgA levels in an individual's oral cavity are disclosed. The methods comprise applying effective amounts of zinc oxide, zinc citrate, and arginine Methods of increasing the concentration of sIgA in the individual's mucosa pellicle in the oral cavity are disclosed. Methods of increasing phagocytotic activity of phagocytotic cells in the individual's oral cavity are also disclosed. In addition, methods of increasing levels of ?-Defensin 1 in the individual's oral cavity are disclosed.Type: ApplicationFiled: March 11, 2021Publication date: February 15, 2024Applicant: Colgate-Palmolive CompanyInventors: Ying YANG, Shaopeng XU, Guofeng XU, Harsh Mahendra TRIVEDI, James MASTERS, Dandan CHEN, Betty WON
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Publication number: 20240024233Abstract: The present invention relates to oral hydrogel compositions, more particularly to thermosensitive gel compositions, which undergo a sol-gel transition in the oral cavity, and which optionally comprise therapeutic actives for sustained release.Type: ApplicationFiled: November 3, 2021Publication date: January 25, 2024Applicant: Colgate-Palmolive CompanyInventors: Lisa MANUS, Joseph STEELE, Guillaume PICQUET, Christine PADULA, Dandan CHEN, Betty WON, Andrei POTANIN