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CELLULOSE DEV CORP LTD

Overview
  • Total Patents
    23
About

CELLULOSE DEV CORP LTD has a total of 23 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets textiles and paper, chemical engineering and machine tools are SOLVAY INTEROX, ANDRITZ OY and KAMYR INC.

Patent filings in countries

World map showing CELLULOSE DEV CORP LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 9
#2 France 4
#3 United States 4
#4 Canada 3
#5 Ireland 2
#6 Germany 1

Patent filings per year

Chart showing CELLULOSE DEV CORP LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Becker Frederick George Lucas 3
#2 Dorothy John 2
#3 Lucas Becker Frederick George 2
#4 Edward Goulding 2
#5 Becker Frederick G L 1
#6 Raimondo Giuseppe 1

Latest patents

Publication Filing date Title
US2769710A Process for the continuous treatment of vegetable fibers
US2730426A Treating vegetable fibrous material with chlorine gas
GB736491A Process and apparatus for treating vegetable fibrous materials with gaseous chlorine or chlorine dioxide
US2695756A Apparatus for disintegrating bales of fibrous materials
GB652528A Improvements in or relating to apparatus for disintegrating bales of fibrous materials
GB654738A Improvements in or relating to processes and apparatus for the continuous treatment of vegetable fibres
IE17549L Digestion of vegetable fibres
GB562027A Improvements in or relating to chemical reaction towers particularly for the digestion of vegetable material in the manufacture of paper pulp
GB557241A Improvements in or relating to rotary screening apparatus for mixtures of solids and liquids such as pulp
GB554837A Improvements in or relating to vibrating screening apparatus for separating solid matter from liquids
GB548271A An improved method and apparatus for expressing liquid from pulp
IE16165L Straw-cutting machine
GB546618A Improvements in or relating to apparatus for removing dust from loosely bound material such as chaff
GB539074A Improvements in or relating to machines for cutting straw or the like vegetable material into small pieces
CA439018A Mixing apparatus for liquids and fibrous materials
CA432528A Chemical reaction tower
CA530463A Bleaching process