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LEFENFELD MICHAEL

Overview
  • Total Patents
    19
About

LEFENFELD MICHAEL has a total of 19 patent applications. Its first patent ever was published in 2004. It filed its patents most often in United States, EPO (European Patent Office) and Japan. Its main competitors in its focus markets organic fine chemistry, materials and metallurgy and environmental technology are OLBERT GERHARD, SUED CHEMIE INC and NANTONG LONGXIANG NEW MATERIAL TECH CO LTD.

Patent filings per year

Chart showing LEFENFELD MICHAELs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lefenfeld Michael 19
#2 Dye James L 15
#3 Jackson James 3
#4 Nandi Partha 3
#5 Ganguly Tuhin 1
#6 Paterson Alexander James 1
#7 Potter Matthew Edward 1
#8 Raja Robert 1
#9 Hoch Robert 1
#10 Davis Randall 1

Latest patents

Publication Filing date Title
US2012027827A1 Method and Composition for Reducing Exhaled Carbon Dioxide Emissions
US2009187486A1 Method and apparatus for delivering targeted content
US2009306391A1 Method for deprotecting aryl or alkyl sulfonamides of primary or secondary amines
EP2520364A2 Silica gel compositions containing alkali metals and alkali metal alloys