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RUTH ALDO CO INC

Overview
  • Total Patents
    65
About

RUTH ALDO CO INC has a total of 65 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United Kingdom, United States and Austria. Its main competitors in its focus markets textiles and paper, macromolecular chemistry and polymers and materials and metallurgy are RUTH ALDO CO, LENZINGER ZELLWOLLE UND PAPIER and OSCAR KOHORN & CO LTD.

Patent filings in countries

World map showing RUTH ALDO CO INCs patent filings in countries
# Country Total Patents
#1 United Kingdom 24
#2 United States 17
#3 Austria 13
#4 France 5
#5 Germany 3
#6 Canada 1
#7 Spain 1
#8 Ireland 1

Patent filings per year

Chart showing RUTH ALDO CO INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Louis Barthelemy Henri 6
#2 Ugo Mancini 4
#3 Melitta Klein 3
#4 Ernesto Orioli 2
#5 Barthelemy Henri Louis 2
#6 Ettore Viviani 1
#7 Alfred Joseph Raymond 1
#8 Barthelemy Henri-Louis 1

Latest patents

Publication Filing date Title
IE13307L Washing vat for viscose silk
GB423275A Improvements in or relating to apparatus for the recovery of carbon bisulphide from freshly-spun viscose artificial silk
GB385673A Hollow artificial silk of low luster and process of preparing the same
US1995732A Process of manufacturing cellulose acetate
US2022260A Dry spinning artificial textile fibers
GB372844A Improvements in or relating to the manufacture of cellulose acetate
GB358881A Improvements in and relating to the manufacture of cellulose acetate
US1944299A Process and apparatus for dry spinning artificial silk
US1944378A Process and apparatus for producing dull luster rayon
US1952877A Apparatus for making artificial silk
GB307392A Improvements in the preparation of "organosols" of cellulose esters with a view to their transformation into films, celluloid or artificial silk
GB303493A Process for the preparation of sulphuric esters of cellulose
GB303099A Improvements in methods for the acetylation of cellulose
GB303135A Improvements in the esterification of cellulose
GB303098A Improvements in processes for the saponification of primary solutions of acetylcellulose
GB303136A Process for the esterification of cellulose
GB292608A Improvements in apparatus for spinning solutions of cellulose ethers or esters
GB300166A Improvements in apparatus for spinning solutions of cellulose ethers or esters
US1962605A Apparatus for spinning cellulose esters dissolved in volatile solvents
US1970384A Cell for use in spinning cellulose acetate in the dry process