Learn more

COGNIS INC

Overview
  • Total Patents
    33
About

COGNIS INC has a total of 33 patent applications. Its first patent ever was published in 1991. It filed its patents most often in WIPO (World Intellectual Property Organization), United States and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, materials and metallurgy and biotechnology are TECK RESOURCES LTD, TETRA EUROP LTD and LOSER ULRICH.

Patent filings per year

Chart showing COGNIS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Virnig Michael J 17
#2 Fristad William E 17
#3 Mattison Phillip L 14
#4 Fast John 10
#5 Cassel Jonathan M 8
#6 Elliott Dana K 7
#7 Narum Jeffrey L 5
#8 Wolfe George A 4
#9 Mackenzie Murdoch 3
#10 Paech Christian 3

Latest patents

Publication Filing date Title
WO9523221A1 Improved enzymes and detergents containing them
US5454917A Apparatus and process for recovering metal from an aqueous solution
US5466426A Method and apparatus for removing metal contamination from soil
AU3978193A Process of preparing enriched enantiomers of glycerol carbonate and derivatives thereof for synthesis of beta -blockers
US5522997A Process for the removal of toxic cyanide and heavy metal species from alkaline solutions
WO9316204A2 Process and apparatus for extracting solutes from their aqueous solutions
US5494649A Process for removing heavy metals from paint chips
WO9316173A1 Decolorization and deodorization of fermentation broth by treatment with strongly basic extractants
US5340735A Bacillus lentus alkaline protease variants with increased stability