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MANZER LEO E

Overview
  • Total Patents
    11
About

MANZER LEO E has a total of 11 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, Canada and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets organic fine chemistry, environmental technology and chemical engineering are HALCON INTERNATIONAL INC, CHEMPATENTS INC and ZIBO QIXIANG TENGDA CHEMICAL CO LTD.

Patent filings in countries

World map showing MANZER LEO Es patent filings in countries

Patent filings per year

Chart showing MANZER LEO Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Manzer Leo E 11
#2 Hutchenson Keith W 3
#3 Alper Howard 2
#4 Bourque Sheila Christine 2
#5 Arya Prabhat 2
#6 Jefferson Gary 2
#7 Rao Velliyur N M 1

Latest patents

Publication Filing date Title
US2006100449A1 Integrated two-step process for the production of gamma-methyl-alpha-methylene-gamma-butyrolactone from levulinic acid and hydrogen
US2006100450A1 Process for the production of y-methyl-a-methylene-y-butyrolactone from reaction of levulinic acid and hydrogen followed by reaction of crude y-valerolactone and formaldehyde, both reactions being carried out in the supercritical or near-critical fluid phase
US2006100447A1 Process for the production of y-methyl-a-methylene-y-butyrolactone from reaction of levulinic acid and hydrogen with recycle of unreacted levulinic acid followed by reaction of crude y-valerolactone and formaldehyde, both reactions being carried out in the supercritical or near-critical fluid phase
US2006100448A1 Process for the production of Y-methyl-A-methylene-Y-butyrolactone from reaction of levulinic acid and hydrogen in the liquid phase followed by reaction of crude-Y-valerolactone and formaldehyde
US2006247443A1 Process for making 5-methyl -N-alkyl-2-pyrrolidone from alkyl amines and alkyl levulinate esters
US2005228203A1 Process for the preparation of xylene
CA2336911A1 Supported dendrimer catalyst