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HUBEI DINGLONG CHEMICAL CO LTD

Overview
  • Total Patents
    82
  • GoodIP Patent Rank
    44,633
About

HUBEI DINGLONG CHEMICAL CO LTD has a total of 82 patent applications. Its first patent ever was published in 2003. It filed its patents most often in China, Japan and United States. Its main competitors in its focus markets optics, macromolecular chemistry and polymers and machine tools are HOERHOLD HANS HEINRICH, YAMAUCHI YOSHITAKA and SACRIPANTE GUERINO G.

Patent filings per year

Chart showing HUBEI DINGLONG CHEMICAL CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhu Shunquan 47
#2 Lan Zeguan 19
#3 Li Wenbu 16
#4 Zhu Shuangquan 14
#5 Xiao Guilin 10
#6 Mei Lili 9
#7 Li Yunfeng 8
#8 Shunquan Zhu 7
#9 Liu Min 7
#10 Zeguan Lan 5

Latest patents

Publication Filing date Title
CN105907299A Coating composition for resin lens and preparation method thereof
CN106046313A Chemical-mechanical polishing pad, buffer layer and preparation method of buffer layer
CN105922126A Detection window for CMP (chemical mechanical polishing) pad and preparation method of detection window
CN105904352A Polishing layer and preparation method thereof, as well as low-damage chemical mechanical polishing pad
CN106041719A Polishing layer, preparation method of polishing layer and chemical-mechanical polishing pad
CN105949096A Optical spectacle lens material, refined polythiol and post-treatment method of crude polythiol
CN105652616A Carrier core material for two-component electrostatic image developing agent, and carrier prepared by carrier core material
CN105652615A Preparation method of color carbon powder
CN105372958A Resin-coated carrier and preparation method therefor, and bi-component developing agent
CN105372954A Method for preparing low-temperature fixation color carbon powder through suspension polymerization method
CN105372953A Styrene-acrylic resin/polyester resin composite electrostatic image toner and preparation method thereof
CN105242505A Acrylic resin, carrier coated by resin, and double-composition developer
CN105171593A Weather-resisting chemico-mechanical polishing pad
CN105005183A Preparing method for styrene-acrylic resin/polyester resin compound type static charge image color matching agent
CN105005184A Carrier for electrostatic image developer and two-component developer comprising carrier
CN104714378A Carrier core material for electrostatic image developer, preparation method of carrier core material and carrier
CN104558383A Fluorescent complex containing carboxylic acid type high polymer and rare earth, preparation method of fluorescent complex, fluorescent chemical carbon powder and preparation method of fluorescent chemical carbon powder
CN104570636A Electrostatic image developing agent carrier core material as well as preparation method and carrier thereof
CN104375396A Method for preparing color carbon powder by adopting suspension polymerization method
CN104375397A Porous color matching agent and preparation method thereof