Learn more

ISP VAN DYK INC

Overview
  • Total Patents
    25
About

ISP VAN DYK INC has a total of 25 patent applications. Its first patent ever was published in 1990. It filed its patents most often in EPO (European Patent Office), United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and machines are ROBERTET SA, CLAIROL INC and FARMAKA SRL.

Patent filings per year

Chart showing ISP VAN DYK INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Alexander Anatoly 19
#2 Chaudhuri Ratan K 18
#3 Gripp Anna A 13
#4 Chaudhuri R K 2
#5 Bergerhausen Heinrich 2
#6 Alexander A 2
#7 Gripp A A 1
#8 Caskey Douglas C 1
#9 Chadhuri Ratan K 1

Latest patents

Publication Filing date Title
US5731450A Oil adduct conditioners
US5527947A Process for preparation of cinnamate sunscreen agents
US5451394A Quaternary salts of para-dialkylamino benzamide derivatives
EP0541830A1 Absorption base containing sucrose ester