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EFKA ADDITIVES B V

Overview
  • Total Patents
    22
About

EFKA ADDITIVES B V has a total of 22 patent applications. Its first patent ever was published in 1997. It filed its patents most often in WIPO (World Intellectual Property Organization), Brazil and China. Its main competitors in its focus markets basic materials chemistry, macromolecular chemistry and polymers and chemical engineering are CHANGSHU GUOHE NEW MAT CO LTD, THETFORD DEAN and CHANGSHU SHIMING CHEMICAL TECH CO LTD.

Patent filings per year

Chart showing EFKA ADDITIVES B Vs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Loen Elizabeth Maaike 7
#2 Noordam Arend 6
#3 Pirrung Frank Oliver Heinrich 6
#4 Suurmeijer Marleen 5
#5 Engelbrecht Lothar Alexander 4
#6 Maaike Loen Elizabeth 3
#7 Pirrung Frank Olivier Heinrich 3
#8 Kok Harm-Jan 3
#9 Alexander Engelbrecht Lothar 2
#10 Heinrich Pirrung Frank Olivier 2

Latest patents

Publication Filing date Title
MY134362A Aqueous emulsion polymer as dipersant
BR0213290A Leveling agent and anti-crushing agent
BR0206468A Dispersing Agent