Patents by Inventor Huaihai Song

Huaihai Song 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: 8742175
    Abstract: The present invention discloses novel aromatic ketone compounds with functional substitution groups at para- or meta positions which can be used as photo-initiators or effective components of photo-initiator mixtures for the photopolymerizations of ethylenically unsaturated systems. The preparation of these compounds is also disclosed.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: June 3, 2014
    Assignee: Shenzhen UV-Chemtech Co., Ltd.
    Inventors: Yongbo Zhang, Yanchao Wang, Yapeng Wang, Huaihai Song, Zhigang Wang
  • Publication number: 20130217877
    Abstract: The present invention discloses novel aromatic ketone compounds with functional substiution groups at para- or meta positions which can be used as photo-initiators or effective components of photo-initiator mixtures for the photopolymerizations of ethylenically unsaturated systems. The preparation of these compounds is also disclosed.
    Type: Application
    Filed: November 4, 2011
    Publication date: August 22, 2013
    Applicant: SHENZHEN UV-CHEMTECH CO., LTD
    Inventors: Yongbo Zhang, Yanchao Wang, Yapeng Wang, Huaihai Song, Zhigang Wang