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DU PONT RAYON CO

Overview
  • Total Patents
    127
About

DU PONT RAYON CO has a total of 127 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States, Canada and France. Its main competitors in its focus markets textiles and paper, machines and packaging and shipping are NORTH AMERICAN RAYON CORP, VISCOSE CO and I P BEMBERG A G.

Patent filings in countries

World map showing DU PONT RAYON COs patent filings in countries
# Country Total Patents
#1 United States 94
#2 Canada 17
#3 France 7
#4 United Kingdom 6
#5 Switzerland 3

Patent filings per year

Chart showing DU PONT RAYON COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Harrison Paul E 8
#2 Banigan Thomas F 7
#3 Blanco Galo W 4
#4 Lardy Guillaume 4
#5 Carleton Henningsen 4
#6 Francois Niogret Henri 4
#7 Haskins Joseph F 3
#8 Gladding Ernest K 3
#9 Toole Harry S 3
#10 Rayon Company Du Pont 3

Latest patents

Publication Filing date Title
GB477380A Improvements in and relating to adhesion
US2052731A Apparatus for production of artificial thread
US2046550A Thread winding mechanism
US2045708A Process and apparatus for production of artificial thread
US2060210A Preparation of dispersions
US2045252A Bucket
US2011227A Method of treating cellulosic solutions
US2012232A Composition of matter and process of producing same
US2045717A Humidification
US2046347A Method of making artificial thread
US2054280A Disintegration of fisers
US1981885A Thread-treating device
US1988490A Bucket motor
US1972150A Spindle
US2053286A Process for producing ketene
US2060097A Method of spinning rayon
US2012851A Bucket
US2038789A Thread winding and treating machine
US2053123A Artificial thread and method of making same
US2054786A Method and apparatus for preparing artificial materials