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FRIEDHEIM ERNST A H

Overview
  • Total Patents
    56
About

FRIEDHEIM ERNST A H has a total of 56 patent applications. Its first patent ever was published in 1941. It filed its patents most often in United States, Canada and Switzerland. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and machines are CANCER TARGETED TECH LLC, AUSPHERIX LTD and NUTRIMED BIOTECH.

Patent filings in countries

World map showing FRIEDHEIM ERNST A Hs patent filings in countries
# Country Total Patents
#1 United States 33
#2 Canada 15
#3 Switzerland 3
#4 Germany 3
#5 Austria 1
#6 Belgium 1

Patent filings per year

Chart showing FRIEDHEIM ERNST A Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Friedheim Ernst A H 50
#2 H Friedheim Ernst A 2
#3 Friedheim Ernst A H Dr 2
#4 Saul Soloway 1

Latest patents

Publication Filing date Title
DE2232988A1 FILARICIDE AND TRYPANOCIDE PHENYLARSENDITHIO COMPOUNDS
US3297531A Complexes of trivalent antimony with penicillamine, and admixtures of excess penicillamine with said complexes
US3035052A Arsenic-containing derivatives of dimercapto-succinic acid
US2880222A Organic dithiol derivatives
US2664432A Heterocyclic metal and sulfur organic compounds
US2662079A Organometallic compounds
US2660549A Therapeutic gold-dimercapto reaction product
US2593434A Propylene glycol solution of arsenic medicaments
US2659723A Triazine organometallic compounds and process for preparing same
US2466019A Compositions of reduced toxicity, containing antimony and 1,2-dihydroxybenzene disulfonic acid
US2549795A Organic antimony compounds derived from 1, 3, 5-triazine
US2463861A Process for the preparation of a melaminyl-phenyl-stibonic acid compound
US2390090A Substituted 1,3,5-triazinyl-(6)-aminophenyl-arsenic compounds
US2390089A Substituted 1,3,5-triazinyl-(6)-aminophenyl-arsenic compounds
US2390092A Substituted 1,3,5-triazinyl-(6)-aminophenyl-arsenic compounds
US2390091A Substituted 1,3,5-triazinyl-(6)-aminophenyl-arsenic compounds
US2430461A Organometallic compounds containing 1, 3, 5-triazine rings
US2430462A Method of producing organometallic compounds containing 1, 3, 5-triazine rings
US2455924A Addition compounds of pyridine derivatives and method of preparing same
US2400547A Substituted 1, 3, 5-triazinyl-(6)-aminophenyl-arsenic compounds