Learn more

KEMISK TEKNISK APPARATUR AB

Overview
  • Total Patents
    20
About

KEMISK TEKNISK APPARATUR AB has a total of 20 patent applications. Its first patent ever was published in 1952. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and civil engineering are WALTER HENRY GROOMBRIDGE, ECOSYNTH BVBA and JIANGSU RUICHEN CHEMICAL CO LTD.

Patent filings in countries

World map showing KEMISK TEKNISK APPARATUR ABs patent filings in countries
# Country Total Patents
#1 Germany 4
#2 France 4
#3 United Kingdom 4
#4 Switzerland 3
#5 Canada 2
#6 Finland 2
#7 Belgium 1

Patent filings per year

Chart showing KEMISK TEKNISK APPARATUR ABs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Baecklund Gunnar 5
#2 Kemisk-Teknisk Apparatur Ab 2
#3 Bonell Tore 2
#4 Gunnar Baecklund 2
#5 Samuelsen Eirik 2
#6 Eirik Samuelsen 1
#7 Benoll Tore 1
#8 Bonell Dipl-Ing Tore 1

Latest patents

Publication Filing date Title
DE976759C Process for the continuous production of trinitrotoluene by nitrating dinitrotoluene in countercurrent
DE968046C Method and device for cutting up nitrocellulose in the state of suspension
GB706303A Improvements in or relating to the cutting of nitrocellulose
GB711681A Improvements in or relating to safety devices for pipe lines
DE962697C Process for the production of acetaldehyde
DE945233C Process for the production of acetaldehyde from AEthanol
GB719266A Improvements in or relating to methods of obtaining acetaldehyde
GB710606A Improvements in or relating to processes for the catalytic oxidation of ethanol
CA587537A Method for trinitrotoluene manufacture
CA562250A Method of producing ethyl alcohol out of waste sulfite liquor in combination with evaporation