Patents by Inventor Chuanjin Zhu

Chuanjin Zhu 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).

  • Silicone free defoamer for solvent based coatings
    Patent number: 8309648
    Abstract: This disclosure relates to a silicone free defoamer for solvent based coatings, especially clear wood coatings preferably based on a graft copolymer of poly alkyl vinyl ether. The coating composition comprises a resin binder component and a defoamer formulation.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: November 13, 2012
    Assignee: BASF SE
    Inventors: Weiqiu Hu, Frank Oliver Heinrich Pirrung, Petrus Johannes Harbers, Chuanjin Zhu, Min Zhu
  • SILICONE FREE DEFOAMER FOR SOLVENT BASED COATINGS
    Publication number: 20110166284
    Abstract: The invention relates to a silicone free defoamer for solvent based coatings, especially clear wood coatings preferably based on a graft copolymer of poly alkyl vinyl ether.
    Type: Application
    Filed: May 6, 2009
    Publication date: July 7, 2011
    Applicant: BASF SE
    Inventors: Weiqiu Hu, Frank Oliver Heinrich Pirrung, Petrus Johannes Harbers, Chuanjin Zhu, Min Zhu