Patents by Inventor Kai Xi

Kai Xi 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).

  • Patent number: 12486362
    Abstract: A method of forming an aromatic polyester polyol compound comprising an imide moiety, wherein the method comprises reacting: (i) a cyclic anhydride compound; (ii) a phthalic acid based compound; (iii) a primary amine compound; and (iv) an aliphatic diol compound.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: December 2, 2025
    Inventors: Kai Xi, David J. Shieh, Lifeng Wu, Sachchida Singh
  • Publication number: 20250163204
    Abstract: The present disclosure provides an isocyanate-reactive hydrogen composition including an increased amount of a sustainable polyester polyol. The isocyanate-reactive hydrogen composition may be combined with a polyisocyanate composition to form a reaction system which can be reacted and expansion moulded to form a flexible foam. The flexible foam that is produced may be used in a variety of applications, such as in automotive and furniture seating.
    Type: Application
    Filed: February 28, 2023
    Publication date: May 22, 2025
    Inventors: Kai Xi, Todd Bates, Annelies Vandevelde
  • Patent number: 12252578
    Abstract: A polyurethane foam composition comprising: (a) an isocyanate compound; (b) one or more isocyanate reactive compounds at least one of the isocyanate reactive compounds comprises an aromatic polyester polyol compound comprising an imide moiety wherein the aromatic polyester polyol is the reaction product of: (i) a cyclic anhydride compound; (ii) a phthalic acid based compound, (iii) a primary amine compound, (iv) an aliphatic diol compound; (v) optionally, a high functionality, low molecular weight polyether polyol compound; (vi) optionally, a hydrophobic compound; and wherein the weight ratio of Component (i) to Component (ii) is from 1:24 to 24:1; and wherein the aromatic polyester polyol is liquid at 25° C. and comprises a hydroxy value ranging from about 30 to about 600; and (c) a blowing agent.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: March 18, 2025
    Inventors: Kai Xi, David J. Shieh, Lifeng Wu, Sachchida Singh
  • Publication number: 20240002578
    Abstract: A polyurethane foam composition comprising: (a) an isocyanate compound; (b) one or more isocyanate reactive compounds and wherein at least one of the isocyanate reactive compounds comprises an aromatic polyester polyol compound that is the reaction product of: (i) an aromatic acid compound; (ii) an aliphatic diol compound; (iii) a dialkylol alkanoic acid compound; and (iv) optionally, a polyhydroxy compound comprising at least three hydroxyl groups, a hydrophobic compound, or combinations thereof; and wherein the aromatic polyester polyol compound is liquid at 25° C. and has a hydroxy value ranging from 30 to 600; and (c) a blowing agent.
    Type: Application
    Filed: December 3, 2021
    Publication date: January 4, 2024
    Inventors: Kai XI, Paul MACKEY, Lifeng WU, Sachchida SINGH
  • Publication number: 20240002580
    Abstract: A method for making an aromatic polyester polyol compound, wherein the method comprises reacting at esterification reaction conditions a reactive mixture comprising the following components: (i) an aromatic acid compound; (ii) an aliphatic diol compound; (iii) a dialkylol alkanoic acid compound; (iv) optionally, a hydrophobic compound, a polyhydroxy compound comprising at least three hydroxyl groups, or combinations thereof, and wherein the aromatic polyester polyol compound is liquid at 25° C. and has a hydroxy value ranging from about 30 to about 600.
    Type: Application
    Filed: December 3, 2021
    Publication date: January 4, 2024
    Inventors: Kai XI, Paul MACKEY, Lifeng WU, Sachchida SINGH
  • Publication number: 20220315705
    Abstract: A method of forming an aromatic polyester polyol compound comprising an imide moiety, wherein the method comprises reacting: (i) a cyclic anhydride compound; (ii) a phthalic acid based compound; (iii) a primary amine compound; and (iv) an aliphatic diol compound.
    Type: Application
    Filed: August 5, 2020
    Publication date: October 6, 2022
    Inventors: Kai Xi, David J. Shieh, Lifeng Wu, Sachchida Singh
  • Publication number: 20220275144
    Abstract: A polyurethane foam composition comprising: (a) an isocyanate compound; (b) one or more isocyanate reactive compounds at least one of the isocyanate reactive compounds comprises an aromatic polyester polyol compound comprising an imide moiety wherein the aromatic polyester polyol is the reaction product of: (i) a cyclic anhydride compound; (ii) a phthalic acid based compound, (iii) a primary amine compound, (iv) an aliphatic diol compound; (v) optionally, a high functionality, low molecular weight polyether polyol compound; (vi) optionally, a hydrophobic compound; and wherein the weight ratio of Component (i) to Component (ii) is from 1:24 to 24:1; and wherein the aromatic polyester polyol is liquid at 25° C. and comprises a hydroxy value ranging from about 30 to about 600; and (c) a blowing agent.
    Type: Application
    Filed: August 5, 2020
    Publication date: September 1, 2022
    Inventors: Kai Xi, David J. Shieh, Lifeng Wu, Sachchida Singh
  • Patent number: 11208519
    Abstract: Tertiary amine catalysts having isocyanate reactive groups that are capable of forming thermally stable covalent bonds able to withstand temperatures up to 120° C. are disclosed. These catalyst can be used to produce polyurethane foam having the following desirable characteristics: a) very low chemical emissions over a wide range of environmental conditions and isocyanate indexes (e.g., indexes as low as 65 but higher than 60) while meeting all physical property requirements; b) sufficient hydrolytic stability to maintain the catalyst covalently bound to foam without leaching of tertiary amine catalyst when foam is exposed to water or aqueous solutions even at temperatures higher than ambient (temperature range 25° C. to 90° C.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: December 28, 2021
    Assignee: Evonik Operations GmbH
    Inventors: Juan Jesus Burdeniuc, Torsten Panitzsch, Kai Xi, Renee Jo Keller
  • Patent number: 11021561
    Abstract: A catalyst composition for making polyurethane foam, the catalyst composition including a compound having a general formula R1R2R3N, wherein each of R1, R2 and R3 are independently selected from the group consisting of: a compound according to formula (I): wherein n=1 to 5; and R4, R5 and R6 are each independently hydrogen, methyl, ethyl and propyl groups; hydrogen, a C1-C6 alkyl group compound, a C1-C6 cycloalkyl group compound, a C1-C6 alkenyl group compound, a C1-C6 alkynyl group compound, a C1-C6 aryl group compound, and a C1-C6 aralkyl group compound, each group being substituted or unsubstituted; wherein at least one of R1, R2 and R3 is a compound according to formula (I). A polyurethane composition and method for forming a polyurethane foam are also disclosed.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: June 1, 2021
    Assignee: Evonik Operations GmbH
    Inventors: Kai Xi, Juan Jesus Burdeniuc, Irene Joann Hsu, Renee Jo Keller, Timothy Joseph Miller, Jared Denis Bender, Jane Kniss
  • Publication number: 20190048121
    Abstract: Tertiary amine catalysts having isocyanate reactive groups that are capable of forming thermally stable covalent bonds able to withstand temperatures up to 120° C. are disclosed. These catalyst can be used to produce polyurethane foam having the following desirable characteristics: a) very low chemical emissions over a wide range of environmental conditions and isocyanate indexes (e.g., indexes as low as 65 but higher than 60) while meeting all physical property requirements; b) sufficient hydrolytic stability to maintain the catalyst covalently bound to foam without leaching of tertiary amine catalyst when foam is exposed to water or aqueous solutions even at temperatures higher than ambient (temperature range 25° C. to 90° C.
    Type: Application
    Filed: October 15, 2018
    Publication date: February 14, 2019
    Inventors: Juan Jesus Burdeniuc, Torsten Panitzsch, Kai Xi, Renee Jo Keller
  • Patent number: 10100141
    Abstract: Tertiary amine catalysts having isocyanate reactive groups that are capable of forming thermally stable covalent bonds able to withstand temperatures up to 120° C. are disclosed. These catalyst can be used to produce polyurethane foam having the following desirable characteristics: a) very low chemical emissions over a wide range of environmental conditions and isocyanate indexes (e.g. indexes as low as 65 but higher than 60) while meeting all physical property requirements; b) sufficient hydrolytic stability to maintain the catalyst covalently bound to foam without leaching of tertiary amine catalyst when foam is exposed to water or aqueous solutions even at temperatures higher than ambient (temperature range 25° C. to 90° C.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: October 16, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Juan Jesus Burdeniuc, Torsten Panitzsch, Kai Xi, Renee Jo Keller
  • Publication number: 20180009930
    Abstract: A catalyst composition for making polyurethane foam, the catalyst composition including a compound having a general formula R1R2R3N, wherein each of R1, R2 and R3 are independently selected from the group consisting of: a compound according to formula (I): wherein n=1 to 5; and R4, R5 and R6 are each independently hydrogen, methyl, ethyl and propyl groups; hydrogen, a C1-C6 alkyl group compound, a C1-C6 cycloalkyl group compound, a C1-C6 alkenyl group compound, a C1-C6 alkynyl group compound, a C1-C6 aryl group compound, and a C1-C6 aralkyl group compound, each group being substituted or unsubstituted; wherein at least one of R1, R2 and R3 is a compound according to formula (I). A polyurethane composition and method for forming a polyurethane foam are also disclosed.
    Type: Application
    Filed: July 11, 2017
    Publication date: January 11, 2018
    Inventors: Kai Xi, Juan Jesus Burdeniuc, Irene Joann Hsu, Renee Jo Keller, Timothy Joseph Miller, Jared Denis Bender, Jane Kniss
  • Publication number: 20160347901
    Abstract: Tertiary amine catalysts having isocyanate reactive groups that are capable of forming thermally stable covalent bonds able to withstand temperatures up to 120° C. are disclosed. These catalyst can be used to produce polyurethane foam having the following desirable characteristics: a) very low chemical emissions over a wide range of environmental conditions and isocyanate indexes (e.g. indexes as low as 65 but higher than 60) while meeting all physical property requirements; b) sufficient hydrolytic stability to maintain the catalyst covalently bound to foam without leaching of tertiary amine catalyst when foam is exposed to water or aqueous solutions even at temperatures higher than ambient (temperature range 25° C. to 90° C.
    Type: Application
    Filed: June 1, 2016
    Publication date: December 1, 2016
    Applicant: Air Products and Chemicals, Inc.
    Inventors: JUAN JESUS BURDENIUC, Torsten Panitzsch, Kai Xi, Renee Jo Keller
  • Patent number: 9474702
    Abstract: Cosmetic compositions comprising salicylic acid dimers and methods of using such compositions to impart anti-aging benefits to the skin are disclosed. The salicylic acid derivatives are believed to have modulatory activity against one or more biochemical pathways implicated in the appearance of human skin.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: October 25, 2016
    Assignee: Avon Products, Inc.
    Inventors: Sung Bin Shin, Hong Hu, Kai Xi
  • Publication number: 20160193127
    Abstract: Cosmetic compositions comprising salicylic acid dimers and methods of using such compositions to impart anti-aging benefits to the skin are disclosed. The salicylic acid derivatives are believed to have modulatory activity against one or more biochemical pathways implicated in the appearance of human skin.
    Type: Application
    Filed: February 16, 2016
    Publication date: July 7, 2016
    Applicant: Avon Products, Inc.
    Inventors: Sung Bin Shin, Hong Hu, Kai Xi
  • Publication number: 20160122305
    Abstract: The invention is generally directed to compositions useful for improving the aesthetic appearance of human skin and the use of those compounds for improving the appearance of human skin, including improving skin tone, reducing the appearance of dark circles under the eyes, and reducing inflammation in the skin. The compositions typically comprise adrenergic receptor agonists.
    Type: Application
    Filed: October 31, 2014
    Publication date: May 5, 2016
    Inventors: Kai Xi, Jolanta Idkowiak-Baldys, Uma Santhanam, John W. Lyga
  • Patent number: 9289363
    Abstract: Cosmetic compositions comprising salicylic acid dimers and methods of using such compositions to impart anti-aging benefits to the skin are disclosed. The salicylic acid derivatives are believed to have modulatory activity against one or more biochemical pathways implicated in the appearance of human skin.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: March 22, 2016
    Assignee: Avon Products, Inc.
    Inventors: Sung Bin Shin, Hong Hu, Kai Xi
  • Publication number: 20150202130
    Abstract: Cosmetic compositions comprising salicylic acid dimers and methods of using such compositions to impart anti-aging benefits to the skin are disclosed. The salicylic acid derivatives are believed to have modulatory activity against one or more biochemical pathways implicated in the appearance of human skin.
    Type: Application
    Filed: March 11, 2014
    Publication date: July 23, 2015
    Inventors: Sung Bin Shin, Hong Hu, Kai Xi
  • Publication number: 20150182434
    Abstract: Cosmetic compositions comprising napthoic acid derivatives and methods of using such compositions to impart anti-aging benefits to the skin are disclosed. The napthoic acid derivatives are believed to have modulatory activity against one or more biochemical pathways implicated in the appearance of human skin.
    Type: Application
    Filed: March 11, 2014
    Publication date: July 2, 2015
    Inventors: Hong Hu, Kai Xi, Sung Bin Shin
  • Publication number: 20150152035
    Abstract: Cosmetic compositions comprising salicylic acid derivatives and methods of using such compositions to impart anti-aging benefits to the skin are disclosed. The salicylic acid derivatives are believed to have modulatory activity against one or more biochemical pathways implicated in the appearance of human skin.
    Type: Application
    Filed: March 11, 2014
    Publication date: June 4, 2015
    Applicant: Avon Products, Inc.
    Inventors: Sung Bin Shin, Hong Hu, Kai Xi