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HERCOFINA

Overview
  • Total Patents
    23
About

HERCOFINA has a total of 23 patent applications. Its first patent ever was published in 1971. It filed its patents most often in United States, Germany and India. Its main competitors in its focus markets organic fine chemistry, macromolecular chemistry and polymers and chemical engineering are DRENT EIT, FUR FORSCHUNG UND PATENTVERWER and HYDROCARBON SYNTHESIS CORP.

Patent filings in countries

World map showing HERCOFINAs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Germany 4
#3 India 3
#4 France 2
#5 Netherlands 2
#6 Poland 2
#7 Turkey 1

Patent filings per year

Chart showing HERCOFINAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hood Horace Edward 3
#2 Leibfried Raymond Thomas 2
#3 Millick Iii William H 2
#4 Takeda Shinichi 2
#5 Millick William Henry 2
#6 Newburg Norman R 2
#7 Hager Richard A 1
#8 Anno Tatsuro 1
#9 Newburg Norman Russel 1
#10 Wendle Jesse Galejr 1

Latest patents

Publication Filing date Title
US4398037A Process for producing aromatic carboxylic acids and methyl esters thereof
DE3128474A1 Process for countercurrent washing of finely divided crude terephthalic acid
US4394286A Partially hydrolyzed, DMT process residue, and useful propylene oxide derivative thereof
FR2477535A1 PROCESS FOR THE PREPARATION OF PLASTICIZER TYPE ESTERS FROM THE RESIDUE OF THE MANUFACTURE OF DIMETHYL TEREPHTHALATE, PRODUCTS OBTAINED AND USE OF SUCH PRODUCTS AS PLASTICIZERS FOR VINYL RESINS AND THE LIKE
US4353810A Minimizing iron in recovered oxidation catalyst material in DMT process
US4345089A Recovery of aromatic carboxylic acid or ester thereof from residue fraction of oxidation or esterification reaction mixture
DE3010090A1 Di:methyl terephthalate recovery from esterified oxidate residue - by heating with alkali metal material
US4284760A Process for the manufacture of unsaturated polyester resins
US4227010A Recovery of dimethyl terephthalate and intermediates from the tarry fraction of cooxidation process residue
US4103090A Stabilization with alkali metal acetate material of certain thermally unstable DMT
US4076946A Hydrogenation of molten aldehydic dimethyl terephthalate
US4187902A Heat exchange apparatus