Patents Assigned to Akzo Nobel Powder Coatings (NINGBO) Co., Ltd.
  • Patent number: 8853320
    Abstract: The invention relates to hybrid polyester-fluorocarbon powder coating composition and the manufacture thereof. These powder coating compositions are manufactured in a process comprising the steps of: Preparation of a polyester powder coating composition A, comprising a polyester resin and a curing agent for said polyester resin; Preparation of a fluorocarbon powder coating composition B, comprising a fluorocarbon resin and a curing agent for said fluorocarbon resin; and Dry blending said polyester powder coating composition A and fluorocarbon powder coating composition B, wherein the weight ratio of polyester powder coating composition A to fluorocarbon powder coating composition B is in the range of 70:30 to 30:70.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: October 7, 2014
    Assignee: Akzo Nobel Powder Coatings (Ningbo) Co., Ltd.
    Inventors: Lijum Wang, Wei Jiang, Graeme Alan Bell, Nirmalya Chakravorty
  • Publication number: 20130196062
    Abstract: Hybrid polyester-fluorocarbon powder coating composition and manufacture thereof are provided. These powder coating compositions are manufactured in a process comprising the steps of:—Preparation of a polyester powder coating composition A, comprising a polyester resin and a curing agent for said polyester resin;—Preparation of a fluorocarbon powder coating composition B, comprising a fluorocarbon resin and a curing agent for said fluorocarbon resin; and—Dry blending said polyester powder coating composition A and fluorocarbon powder coating composition B, wherein the weight ratio of polyester powder coating composition A to fluorocarbon powder coating composition B is in the range of 70:30 to 30:70.
    Type: Application
    Filed: October 13, 2011
    Publication date: August 1, 2013
    Applicant: Akzo Nobel Powder Coatings (NINGBO) Co., Ltd.
    Inventors: Lijun Wang, Wei Jiang, Graeme Alan Bell, Nirmalya Chakravorty