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PT CHEMICALS LTD

Overview
  • Total Patents
    14
About

PT CHEMICALS LTD has a total of 14 patent applications. Its first patent ever was published in 1984. It filed its patents most often in EPO (European Patent Office), Canada and Finland. Its main competitors in its focus markets textiles and paper, machines and macromolecular chemistry and polymers are RAISIO CHEMICALS UK LTD, YAO JINGCHENG and DIC HERCULES CHEMICALS INC.

Patent filings per year

Chart showing PT CHEMICALS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cruse John William 9
#2 O'Callaghan William 9
#3 Cruse John W 3
#4 O'Callaghan William P 2
#5 O Callaghan William Patric 2

Latest patents

Publication Filing date Title
GB8615951D0 Application of particles to a substrate
WO8700090A1 Application of particles to a substrate
CA1230525A Starch distribution by rotary applicator in paper or board manufacture
CA1235864A Paper and board manufacture
GB8427468D0 Application of fluent material to surface
EP0151578A1 Improvements in paper and board manufacture.