Learn more

CHANG CHUN PLASTICS CO LTD

Overview
  • Total Patents
    221
  • GoodIP Patent Rank
    21,946
  • Filing trend
    0.0%
About

CHANG CHUN PLASTICS CO LTD has a total of 221 patent applications. It increased the IP activity by 0.0%. Its first patent ever was published in 1993. It filed its patents most often in Taiwan, United States and Japan. Its main competitors in its focus markets macromolecular chemistry and polymers, organic fine chemistry and machines are CHANG CHUN PLASTIC CO LTD, TOTO KASEI CO LTD and KUKDO CHEMICAL CO LTD.

Patent filings in countries

World map showing CHANG CHUN PLASTICS CO LTDs patent filings in countries

Patent filings per year

Chart showing CHANG CHUN PLASTICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hwang Kuen-Yuan 74
#2 Hwang Kuen Yuan 52
#3 Tu An-Pang 49
#4 Tu An Pang 36
#5 Huang Kuen-Yuan 25
#6 Wu Sheng Yen 24
#7 Wang Ping-Chieh 20
#8 To Anho 19
#9 Chen Hung-Shing 19
#10 Ko Kongen 18

Latest patents

Publication Filing date Title
US10975237B1 Melamine-formaldehyde resin composition and its product
CN111732700A Amino resin composition, and varnish, coating and product containing amino resin composition
CN111138646A High ductility aliphatic polyester
US10961208B1 Product of glycidyl ether of a mono or polyhydric phenol
TWI697549B Liquid crystal polymer film and laminate comprising the same
TW202017914A Method for preparing cyclic carbonate compound
TWI686419B Light-resistant epoxy resin and uses of the same
TWI709607B Resin composition and uses of the same
US2020339736A1 Phosphorous containing epoxy resins and process for synthesis
US10450478B1 Epoxy resin, aqueous dispersion and water-borne epoxy coating composition comprising the same
TW202026328A Polyester
TW201910375A Reactive epoxy compounds and method for producing the same, core-shell type epoxy resin particles, waterborne epoxy resin composition, and coating composition containing the reactive epoxy compounds
US2019023936A1 Resin composition, coating composition and article by using the same
US2017327629A1 Polyphenolic condensates and epoxy resins thereof
CN107353407A Have the polyether compound and aqueous epoxy resins constituent of epoxy hydroxy carbamate
TWI608297B Photosensitive resin composition and dry film photoresist containing the same
TW201739853A Polyether compounds having epoxy hydroxyl urethane groups and waterborne epoxy resin composition
US2017107170A1 Process for producing dimethyl carbonate
TWI547470B Process for preparing dichloropropanol
US9546262B1 Phosphorous containing compounds and process for synthesis