Patents by Inventor Baiping Liu

Baiping Liu 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: 10369559
    Abstract: The present invention relates to a composite catalyst, preparation process thereof, and process for catalyzing the trimerization of butadiene using the composite catalyst. The composite catalyst comprises: (A) a titanium compound catalyst active component, (B) an organometallic compound co-catalyst component, (C) a sulfoxide compound catalyst-modifying component, (D) a monoester compound catalyst-modifying component, and (E) a solvent component. The composite catalyst has advantages of excellent selectivity, high catalytic activity, easy preparation and so on.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: August 6, 2019
    Assignees: Wanhua Chemical Group Co., Ltd., Wanhua Chemical (Ningbo) Co., Ltd.
    Inventors: Lei Qin, Weiqi Hua, Ruihua Cheng, Yuan Li, Baiping Liu, Bingbo Hu
  • Publication number: 20150231623
    Abstract: The present invention relates to a composite catalyst, preparation process thereof, and process for catalyzing the trimerization of butadiene using the composite catalyst. The composite catalyst comprises: (A) a titanium compound catalyst active component, (B) an organometallic compound co-catalyst component, (C) a sulfoxide compound catalyst-modifying component, (D) a monoester compound catalyst-modifying component, and (E) a solvent component. The composite catalyst has advantages of excellent selectivity, high catalytic activity, easy preparation and so on.
    Type: Application
    Filed: May 9, 2013
    Publication date: August 20, 2015
    Inventors: Lei Qin, Weiqi Hua, Ruihua Cheng, Yuan Li, Baiping Liu, Bingbo Hu