Patents by Inventor Xiuhan Yang

Xiuhan Yang 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).

  • Thermoplastic polyolefin compositions useful for odor reduction
    Patent number: 11970601
    Abstract: A thermoplastic polyolefin composition comprises: (A) a polypropylene polymer; (B) an elastomer component; (C) an additive component; and (D) a scavenger component comprising a polyacetoacetate compound having the Formula (I) defined herein and calcium carbonate. And an article is made from the thermoplastic polyolefin composition.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: April 30, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Haiying Li, Andong Liu, Shaoguang Feng, Xiuhan Yang, Jian Zou, Ming Ming, Yonghua Gong, Xuemei Zhai
  • Thermoplastic polyolefin compositions useful for odor reduction
    Patent number: 11780998
    Abstract: The present disclosure relates to a thermoplastic polyolefin composition comprising: (A) a polypropylene polymer; (B) an elastomer component; (C) an additive component; and (D) a scavenger component comprising a polyacetoacetate compound having the Formula (I) defined herein and an amino alcohol compound having the Formula (II) defined herein. The present disclosure also relates to an article made from the thermoplastic polyolefin composition.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: October 10, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Haiying Li, Shaoguang Feng, Andong Liu, Yonghua Gong, Jian Zou, Xiuhan Yang, Xuemei Zhai
  • THERMOPLASTIC POLYOLEFIN COMPOSITIONS USEFUL FOR ODOR REDUCTION
    Publication number: 20220025164
    Abstract: A thermoplastic polyolefin composition comprises: (A) a polypropylene polymer; (B) an elastomer component; (C) an additive component; and (D) a scavenger component comprising a polyacetoacetate compound having the Formula (I) defined herein and an inorganic porous material. The present disclosure also relates to an article made from the thermoplastic polyolefin composition.
    Type: Application
    Filed: November 29, 2018
    Publication date: January 27, 2022
    Inventors: Haiying Li, Shaoguang Feng, Andong Liu, Xiuhan Yang, Jian Zou, Ming Ming, Yonghua Gong, Xuemei Zhai
  • THERMOPLASTIC POLYOLEFIN COMPOSITIONS USEFUL FOR ODOR REDUCTION
    Publication number: 20220010111
    Abstract: The present disclosure relates to a thermoplastic polyolefin composition comprising: (A) a polypropylene polymer; (B) an elastomer component; (C) an additive component; and (D) a scavenger component comprising a polyacetoacetate compound having the Formula (I) defined herein and an amino alcohol compound having the Formula (II) defined herein. The present disclosure also relates to an article made from the thermoplastic polyolefin composition.
    Type: Application
    Filed: November 29, 2018
    Publication date: January 13, 2022
    Inventors: Haiying Li, Shaoguang Feng, Andong Liu, Yonghua Gong, Jian Zou, Xiuhan Yang, Xuemei Zhai
  • THERMOPLASTIC POLYOLEFIN COMPOSITIONS USEFUL FOR ODOR REDUCTION
    Publication number: 20220010112
    Abstract: A thermoplastic polyolefin composition comprises: (A) a polypropylene polymer; (B) an elastomer component; (C) an additive component; and (D) a scavenger component comprising a polyacetoacetate compound having the Formula (I) defined herein and calcium carbonate. And an article is made from the thermoplastic polyolefin composition.
    Type: Application
    Filed: November 29, 2018
    Publication date: January 13, 2022
    Inventors: Haiying Li, Andong Liu, Shaoguang Feng, Xiuhan Yang, Jian Zou, Ming Ming, Yonghua Gong, Xuemei Zhai
  • THERMOPLASTIC POLYOLEFIN COMPOSITIONS USEFUL FOR ODOR REDUCTION
    Publication number: 20220002527
    Abstract: Provided is a thermoplastic polyolefin composition that comprises (A) a polypropylene polymer, (B) an elastomer component, (C) an additive component and (D) a scavenger component. Said scavenger component comprises a polyacetoacetate compound that has the Formula (I) defined herein and a metal oxide. Provided also is an article made from said thermoplastic polyolefin composition.
    Type: Application
    Filed: November 29, 2018
    Publication date: January 6, 2022
    Inventors: Haiying Li, Shaoguang Feng, Andong Liu, Yonghua Gong, Jian Zou, Xiuhan Yang, Takahiko Ohmura