Patents by Inventor An CHAI

An CHAI 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: 20260103459
    Abstract: Disclosed are TRPM8 modulators as defined by formula (I) for achieving a cooling effect on skin and mucousa. The disclosure relates to a particular class of compounds capable to activate TRPM8 ion channels. It further relates to the use of these compounds for inducing a sensation of coldness, and to consumer products comprising these compounds.
    Type: Application
    Filed: December 15, 2025
    Publication date: April 16, 2026
    Inventors: Nicolas COCITO ARMANINO, Agnes BOMBRUN, An CHAI, Julie CHARPENTIER, Chun CHEN, Roger EMTER, Marion MATHYS, Andreas NATSCH, Chao WANG, Lijun ZHOU
  • Publication number: 20260041621
    Abstract: Disclosed are substituted tetrahydro-(5H)-chromen-5-one and hexahydro-(5H)-chromen-5-one derivatives of formula (I) possessing woody, peppery notes which is reminiscent of Rotundone. A method of their production and consumer products comprising them is also disclosed.
    Type: Application
    Filed: July 26, 2023
    Publication date: February 12, 2026
    Inventors: Lijun ZHOU, An CHAI, Zhiyu YU
  • Patent number: 12528801
    Abstract: Disclosed are TRPM8 modulators as defined by formula (I) for achieving a cooling effect on skin and mucousa. The disclosure relates to a particular class of compounds capable to activate TRPM8 ion channels. It further relates to the use of these compounds for inducing a sensation of coldness, and to consumer products comprising these compounds.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: January 20, 2026
    Assignee: GIVAUDAN SA
    Inventors: Nicolas Cocito Armanino, Agnes Bombrun, An Chai, Julie Charpentier, Chun Chen, Roger Emter, Marion Mathys, Andreas Natsch, Chao Wang, Lijun Zhou
  • Publication number: 20250382252
    Abstract: Disclosed are cyclopent-2-enone derivatives possessing woody odor profile with some peppery notes.
    Type: Application
    Filed: June 28, 2023
    Publication date: December 18, 2025
    Inventors: Lijun Zhou, An Chai, Chun Chen, Changming Ding, Andreas Goeke, Feng Huang, Marc Liniger, Zhiyu Yu
  • Publication number: 20250243427
    Abstract: There is provided a compound of formula (I) which is a homoallylic ether of a phenolic fragrant compound HX and which is able to release said phenolic fragrant compound HX.
    Type: Application
    Filed: October 20, 2022
    Publication date: July 31, 2025
    Inventors: Lijun ZHOU, Nicolas COCITO ARMANlNO, An CHAI, Felix FLACHSMANN, Marc LINIGER
  • Publication number: 20240417359
    Abstract: There is provided a compound of formula (I) which is a homoallylic ether of a phenolic fragrant compound HX and which is able to release said phenolic fragrant compound HX and optionally a further fragrant.
    Type: Application
    Filed: October 20, 2022
    Publication date: December 19, 2024
    Inventors: Nicolas COCITO ARMANlNO, An CHAI, Felix FLACHSMANN, Marc LINIGER, Lijun ZHOU
  • Publication number: 20240132487
    Abstract: Disclosed are TRPM8 modulators as defined by formula (I) for achieving a cooling effect on skin and mucousa.
    Type: Application
    Filed: October 15, 2020
    Publication date: April 25, 2024
    Inventors: Nicolas COCITO ARMANINO, Agnes BOMBRUN, An CHAI, Julie CHARPENTIER, Chun CHEN, Roger EMTER, Marion MATHYS, Andreas NATSCH, Chao WANG, Lijun ZHOU
  • Patent number: 11020333
    Abstract: The present invention refers to indanone derivatives of formula (I) wherein R1 is selected from hydrogen, methyl and ethyl; R2 is selected from hydrogen, methyl and ethyl, and R is selected from hydrogen and methyl; or R2 and R3 form together with the carbon atoms to which they are attached C3-C5 cycloalkyl; and R4 is selected from C2-C5 alkyl, C2-C5 alkenyl, C1-C4 alkoxy, C3-C5 cycloalkyl, and C3-C6 cycloalkenyl. The invention further refers to perfume compositions and fragrance applications comprising them.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: June 1, 2021
    Assignee: GIVAUDAN S.A.
    Inventors: Yue Zou, An Chai, Jie Liu, Lijun Zhou
  • Publication number: 20200330346
    Abstract: The present invention refers to indanone derivatives of formula (I) wherein R1 is selected from hydrogen, methyl and ethyl; R2 is selected from hydrogen, methyl and ethyl, and R3 is selected from hydrogen and methyl; or R2 and R3 form together with the carbon atoms to which they are attached C3-C5 cycloalkyl; and R4 is selected from C2-C5 alkyl, C2-C5 alkenyl, C1-C4 alkoxy, C3-C5 cycloalkyl, and C3-C6 cycloalkenyl. The invention further refers to perfume compositions and fragrance applications comprising them.
    Type: Application
    Filed: August 14, 2017
    Publication date: October 22, 2020
    Inventors: YUE ZOU, An CHAI, jIE LIU, Lijun ZHOU