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SHANGHAI GANTIAN OPTICAL MAT CO LTD

Overview
  • Total Patents
    11
  • GoodIP Patent Rank
    159,022
  • Filing trend
    ⇧ 300.0%
About

SHANGHAI GANTIAN OPTICAL MAT CO LTD has a total of 11 patent applications. It increased the IP activity by 300.0%. Its first patent ever was published in 2017. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets macromolecular chemistry and polymers, optics and basic materials chemistry are DEVOE & RAYNOLDS CO, REICHHOLD ALBERT CHEMIE AG and POLYVINYL CHEMICALS INC.

Patent filings in countries

World map showing SHANGHAI GANTIAN OPTICAL MAT CO LTDs patent filings in countries

Patent filings per year

Chart showing SHANGHAI GANTIAN OPTICAL MAT CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gan Jia'An 9
#2 Cheng Yi 5
#3 Song Xiongrong 3
#4 Han Jianwei 2
#5 Wang Limin 2
#6 Gan Jiaan 2
#7 Yan Yonghao 1
#8 You Weilin 1
#9 Zhao Min 1
#10 Jiang Yi 1

Latest patents

Publication Filing date Title
CN111873577A Photochromic glass
CN111410603A Benzanthrone derivative, preparation method thereof and application thereof in functional pigment
CN111333666A Three-branch benzothiophene acid ester compound and preparation method and application thereof
CN110746395A Mercapto-containing naphthopyran photochromic compound and preparation method and application thereof
CN109879852A A kind of aphthopyrans cladodification triptycene class compound, preparation method and applications
CN109876743A A kind of light-sensitive microcapsule and the preparation method and application thereof containing photosensitive colour-changing material
CN109438444A It a kind of imidazo [1,2- α] pyridine derivate, preparation method and its is applied in color-change powder
CN109705648A A kind of application of novel fluorine naphthalene esters coalescing agent in allochroic paint
CN107216420A Polymer polyatomic alcohol and combinations thereof and purposes