Patents Assigned to SHANTOU LONGHUA PEARL LUSTRE PIGMENTS CO., LTD
  • Patent number: 8784556
    Abstract: An angle-dependent interference pigment based on transparent or translucent inorganic flake serving as a substrate is provided. The substrate is coated by coatings (A)+(B)+(C) and optionally coating (D), so as to form a “high-low-high” refractive index layered structure. The coatings (A) and (C) consist of metal oxides, silicate, aluminates and/or a mixture thereof. The coating (B) consist of silicon oxide, hydrous silicon oxide, aluminum oxide, hydrous aluminum oxide, magnesium oxide, hydrous magnesium oxide and/or a mixture thereof. The angle-dependent interference pigments have high color saturation in the transitional region and a significantly gradual color change in the color changing region. The present pigments can be used as colored coatings, including printing ink, or can be used in the preparation of plastics, glass, ceramics and the like. The pigment of the present invention is particularly used in the cosmetic industry which has a very high requirement on gradual color change.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: July 22, 2014
    Assignee: Shantou Longhua Pearl Lustre Pigments Co., Ltd.
    Inventors: Weizhong Liu, Yulin Zhuang
  • Publication number: 20130295386
    Abstract: A waterproof pigment, the preparing method and the use thereof are provided. The pigment has a primary flake with a layered structure of at least three layers including a top layer, an assembled intermediate layer and a bottom layer, wherein the assembled intermediate layer has at least one layer of active metal. The pigment has a coating on the side of the primary flake only.
    Type: Application
    Filed: June 3, 2011
    Publication date: November 7, 2013
    Applicant: SHANTOU LONGHUA PEARL LUSTRE PIGMENTS CO., LTD
    Inventors: Jiansheng Fu, Fen Long, Junli Zhang