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GRANGE CHEMICALS LTD

Overview
  • Total Patents
    16
About

GRANGE CHEMICALS LTD has a total of 16 patent applications. Its first patent ever was published in 1959. It filed its patents most often in United Kingdom, France and Canada. Its main competitors in its focus markets organic fine chemistry and basic materials chemistry are GADOT PETROCHEM IND, ZAKLADY CHEMICZNE ORGANIKA AZO and SHANDONG LECRON ENERGY SAVING NEW MATERIAL CO LTD.

Patent filings in countries

World map showing GRANGE CHEMICALS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 5
#2 France 4
#3 Canada 3
#4 Germany 3
#5 Sweden 1

Patent filings per year

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

Focus technologies

Top inventors

# Name Total Patents
#1 Oldham Wilfred John 7
#2 John Oldham Wilfred 3
#3 Oldham Wilfred J 3
#4 Mclean Andrew 2
#5 Shillitoe George Stuart 2
#6 Orr John Scott 2
#7 Norman Robin John Hirons 2
#8 Orr John S 1
#9 Lusman Philip 1
#10 Oldham W 1

Latest patents

Publication Filing date Title
GB1140138A Production of heavy alkylate
GB1093359A Production of heavy alkylate
GB1106613A Treatment of detergent alkylate
GB1004280A Purification of detergent alkylate
GB884755A Alkyl benzene sulphonate detergent compositions
CA768203A Purification of detergent alkylate
CA820976A Production of heavy alkylate
CA768661A Production of heavy alkylate