COLUMBIA CELLULOSE COMPANY LTD has a total of 11 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets textiles and paper, macromolecular chemistry and polymers and biotechnology are SAPPI LTD, CHEMIPULP PROCESS INC and MAUTNER ISIDOR.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 5 | |
#2 | United States | 5 | |
#3 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Textiles and paper | |
#2 | Macromolecular chemistry and polymers | |
#3 | Biotechnology | |
#4 | Machines |
# | Technology | |
---|---|---|
#1 | Paper recycling | |
#2 | Polysaccharides | |
#3 | Fermentation | |
#4 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Morris Wayman | 4 |
#2 | Martin Mervin E | 1 |
#3 | Kraske William A | 1 |
#4 | Desmond O'Meara | 1 |
#5 | Holkestad Helge P | 1 |
#6 | Wilson Jack W | 1 |
#7 | Taylor R Perry | 1 |
#8 | Abson Derek | 1 |
#9 | Harris Gordon R | 1 |
#10 | George Graf | 1 |
Publication | Filing date | Title |
---|---|---|
US3067086A | Pulping process | |
US3067107A | Propionic acid fermentation | |
GB815247A | Bleaching woob pulps | |
US2939813A | Pulping of lignocellulosic material | |
US2882965A | High viscosity, high percentage alpha cellulose from sulfite pulp | |
US2825646A | Reducing the ash content of cellulose | |
GB758158A | Improvements in the purification of wood pulp | |
GB754782A | Improvements in the bleaching of cellulose pulps | |
CA881512A | Production of cellulose esters |