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ZHUHAI S E Z HONGTA RENHENG PAPER CO LTD

Overview
  • Total Patents
    23
  • GoodIP Patent Rank
    183,719
About

ZHUHAI S E Z HONGTA RENHENG PAPER CO LTD has a total of 23 patent applications. Its first patent ever was published in 2005. It filed its patents most often in China and Taiwan. Its main competitors in its focus markets textiles and paper and surface technology and coating are CROMPTON J R PLC, UPM SPECIALTY PAPERS OY and MERCER INT INC.

Patent filings in countries

World map showing ZHUHAI S E Z HONGTA RENHENG PAPER CO LTDs patent filings in countries
# Country Total Patents
#1 China 22
#2 Taiwan 1

Patent filings per year

Chart showing ZHUHAI S E Z HONGTA RENHENG PAPER CO LTDs patent filings per year from 1900 to 2020

Focus technologies

Top inventors

# Name Total Patents
#1 Ji Xiangdong 15
#2 Zhang Dongsheng 14
#3 Wu Yirong 11
#4 Qiu Ruquan 7
#5 Yan Lingyan 7
#6 Yang Li 6
#7 Guan Ming 6
#8 Liu Litu 6
#9 Lu Shiqiang 6
#10 Liu Haibin 5

Latest patents

Publication Filing date Title
CN104746389A Sterilization process of food packaging paper
CN104562856A Coated white cardboard for heat seal as well as production and processing method and packaging paper
CN104631192A Interlayer color sprayed anti-counterfeit coating white cardboard and production process thereof
CN104611974A Warping adjustment method adopted in cardboard coating
CN104631202A Anti-counterfeit coating white cardboard containing dyed wood pulp fibers and production process thereof
CN104401098A Semi-automatic gluing apparatus for detecting edge water absorption value
CN104404833A Thermal-alteration anti-counterfeiting coated ivory board and production method thereof
CN103382692A White base cardboard capable of being directly vacuum aluminized and preparation method thereof
CN103374860A Photosensitive color-change anti-fake coating ivory board and production method thereof
CN103321105A Thermosensitive color-changing anti-counterfeiting coating white cardboard and producing method thereof
CN103321104A Thermosensitive color-changing anti-counterfeiting coating white cardboard and producing method thereof
CN102926278A Oil-proof coating white cardboard and process for producing the same
CN102926293A Solid bleached sulphate (SBS) coating white cardboard and process for producing the same
CN102912690A Liquid packing paper with high stiffness and production technology thereof
CN102520739A PH (potential of hydrogen) value control process for coating core pulp of white cardboards
CN102517985A Coated ivory paper for laser code printing and production method thereof
CN102517999A Double-sizing preparation process for liquid packaging white cardboard
CN102517986A Special coating white cardboard for gravure printing by using water-borne ink
CN102517996A Hue adjusting process for high-whiteness coating white cardboard
CN102517970A Coated ivory paperboard for blister package and production method thereof