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TORSTEN HASSELSTROM

Overview
  • Total Patents
    17
About

TORSTEN HASSELSTROM has a total of 17 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets basic materials chemistry, organic fine chemistry and chemical engineering are NEWPORT IND INC, HEREULES POWDER COMPANY and DALY THOMAS P.

Patent filings in countries

World map showing TORSTEN HASSELSTROMs patent filings in countries
# Country Total Patents
#1 United States 16
#2 United Kingdom 1

Patent filings per year

Chart showing TORSTEN HASSELSTROMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Torsten Hasselstrom 16
#2 Henry Malcolm C 2
#3 Washington Hull 1
#4 Clapp Richard C 1
#5 Brennan Edward A 1

Latest patents

Publication Filing date Title
US3160649A Synthesis of methylthiomethyl isothiocyanate
US3162591A Synthesis of amino acids by high intensity ionizing radiation
US2886501A Process for synthesizing oxalic acid by irradiation
GB751476A Synthetic pepper compositions
US2753350A Pungent-tasting pentavalent piperazine diacid salts
US2679461A Process of combating fungi with a pinonic acid derivative and a composition of a cellulose ester and said derivative
US2679509A Pinonic and pinoylformic acid esters
US2678283A Cellulose esters plasticized with camphoric anhydride
US2396651A Art of separating constituents of tall oil
US2334762A Stable tall oil product
US2265161A Process of modifying derivatives of natural rosins and products thereof
US2186295A Process of manufacturing tall-oil-free pulp from southern pine
US2190660A Sulphate black liquor talloel rosin and process of making the same
US2095548A Hydrogenated phenanthrene homologs
US1986817A Flotation reagent
US1986816A Flotation process
US1986815A Refined "sulphate black liquor" talloel and process of making the same