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OSCAR KOHORN & CO LTD

Overview
  • Total Patents
    12
About

OSCAR KOHORN & CO LTD has a total of 12 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United States, United Kingdom and France. Its main competitors in its focus markets textiles and paper and macromolecular chemistry and polymers are RUTH ALDO CO, RUTH ALDO CO INC and FRIEDRICH ERNST WILLY.

Patent filings in countries

World map showing OSCAR KOHORN & CO LTDs patent filings in countries
# Country Total Patents
#1 United States 9
#2 United Kingdom 2
#3 France 1

Patent filings per year

Chart showing OSCAR KOHORN & CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Oswald Naumann Herbert 2
#2 Costa Joseph L 2
#3 Alfred Politzer 2
#4 Leo Kohorn 1
#5 Morse Reginald A 1
#6 Kornegg Heinz-Horst E Von Koho 1
#7 Fritz Pollak 1

Latest patents

Publication Filing date Title
GB679547A Improvements in or relating to the manufacture of regenerated cellulose rayon yarn
US2598066A Method for the production of pigmented rayon
US2553110A Apparatus for the treatment of rayon cakes
US2507720A Steeping press
US2521450A Process for the production of regenerated cellulose products
US2501090A Process for the treatment of viscose yarn
US2520594A Apparatus for the liquid treatment of thread
US2553106A Apparatus for the liquid treatment of packages of yarn
US2384963A Reeling device and method of reeling
US2218836A Manufacture of alkali cellulose