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RUTH ALDO CO

Overview
  • Total Patents
    39
About

RUTH ALDO CO has a total of 39 patent applications. Its first patent ever was published in 1927. It filed its patents most often in Canada, United Kingdom and Austria. Its main competitors in its focus markets textiles and paper, macromolecular chemistry and polymers and packaging and shipping are RUTH ALDO CO INC, OSCAR KOHORN & CO LTD and NORTH AMERICAN RAYON CORP.

Patent filings in countries

World map showing RUTH ALDO COs patent filings in countries
# Country Total Patents
#1 Canada 27
#2 United Kingdom 10
#3 Austria 1
#4 United States 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Barthelemy Henri Louis 11
#2 Orioli Ernesto 5
#3 Klein Melitta 4
#4 Louis Barthclemy Henri 1
#5 Barthelamy Henri Louis 1
#6 Thenoz Raymond Alfred Joseph 1
#7 Mancini Ugo 1
#8 Barthelemy Henry Louis 1
#9 Thenoz Raymond A J 1
#10 Barthebury Henri Louis 1

Latest patents

Publication Filing date Title
GB303056A Improvements in apparatus for spinning solutions of cellulose ethers or esters
GB303137A Improvements in the construction of machines for dry spinning cellulose collodions
GB303491A Preparation of organic esters of cellulose from its sulphuric esters
GB303133A Improvements in devices for sizing or dressing natural or artificial threads
GB293416A Improvements in apparatus for spinning artificial silk
GB283140A Improvements in apparatus for spinning solutions of cellulose esters and ethers
GB282791A Improvements in methods for the acetylation of cellulose
GB282790A Process for the manufacture of threads, ribbons, films and the like from solutions of cellulose esters or cellulose ethers
GB282789A Process of manufacturing cellulose esters
US1943507A Process of producing cellulose esters
CA308744A Process of treating cellulosic materials
CA308742A Apparatus for making artificial silk
CA301935A Process of preparing cellulose acetates
CA301734A Process of softening fibres of cellulosic origin
CA287750A Acetylcellulose saponification
CA281683A Volatile liquid processing
CA287381A Thread-dressing device
CA292025A Cellulose acetylation apparatus
CA287377A Apparatus for spinning artificial thread
CA301934A Esterification of cellulose