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RUTHRUFF ROBERT F

Overview
  • Total Patents
    33
About

RUTHRUFF ROBERT F has a total of 33 patent applications. Its first patent ever was published in 1939. It filed its patents most often in United States. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and chemical engineering are SANYO PETROCHEMICAL CO LTD, LUMMUS CREST INC and KATALITIK DISTILLEJSHN TEKNOLO.

Patent filings in countries

World map showing RUTHRUFF ROBERT Fs patent filings in countries
# Country Total Patents
#1 United States 33

Patent filings per year

Chart showing RUTHRUFF ROBERT Fs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ruthruff Robert F 33

Latest patents

Publication Filing date Title
US3102906A Isomerization of aromatic polycarboxylic acids
US3038006A Carboxylation of benzoic acid
US2430249A Catalytic cracking of partially oxidized hydrocarbons
US2557842A Hydrocarbon synthesis with fluidized catalyst
US2382100A Hydrocarbon conversion process
US2467407A Catalytic conversion of fischer synthesis product
US2371069A Preparation of catalysts
US2377577A Catalysts and preparation thereof
US2366218A Catalytic combination process
US2343712A Manufacture of diolefins
US2410613A Flushing oil
US2397329A Selective catalytic cracking
US2340698A Catalytic cracking
US2390556A Catalytic cracking of partially oxidized hydrocarbons
US2316108A Alkylation process and catalyst therefor
US2367530A Manufacture of diolefins
US2281804A Isomerization of olefins
US2379656A Catalytic polymerization of unsaturated organic compounds
US2366217A Catalytic processes for converting hydrocarbons
US2312445A Catalytic combination process