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DANCIGER OIL & REFINERIES INC

Overview
  • Total Patents
    13
About

DANCIGER OIL & REFINERIES INC has a total of 13 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United States. Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and chemical engineering are BADGER LICENSING LLC, MARNI SA and KAT2BIZ AB.

Patent filings in countries

World map showing DANCIGER OIL & REFINERIES INCs patent filings in countries
# Country Total Patents
#1 United States 13

Patent filings per year

Chart showing DANCIGER OIL & REFINERIES INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Isham Robert M 9
#2 Otto Spring 3
#3 Morris Levine 2
#4 Keeton Cecil G 1
#5 Burke Charles R 1
#6 Mcdonald Biddison Pascal 1
#7 Ryan Max R 1

Latest patents

Publication Filing date Title
US2424987A Process for the concentration of acetylene
US2383551A Separation of aceytylene from gaseous mixtures
US2420954A Electrolytic production of succinic acid from butyrolactone
US2385518A Production of succinic and maleic acids from butyrolactone
US2342145A Method of recovering aliphatic lactones
US2358229A Treatment of pyroligneous acid
US2358979A Extraction of lactones and phenols from pyroligneous acid
US2303279A Process for the regeneration of mercury catalysts
US2233951A Process of producing low boiling hydrocarbons
US2198545A Process for the treatment of light distillates
US2063680A Process for the recovery of acetylene from gas mixtures
US2105467A Treatment of hydrocarbons
US2134228A Method for producing carbon black