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| Number | Title | Issue Date |
| 7345166 | Water soluble biodegradable polymeric photocatalysts Novel antenna polymers characterized by a polymeric background of a biodegradable water soluble polymer and chromophores chemically bonded to the polymeric background have been found to be useful as photocatalysts in aqueous media. On completion of the desired photo... | 03/18/2008 |
| 6293972 | Process for fluorinating cellulosic materials and fluorinated cellulosic materials In the fluorinated cellulosic material obtained by a method for fluorinating a cellulosic material by reacting a cellulosic material selected from the group consisting of cellulose material and lignocellulose material with at least one fluorine-containing... | 09/25/2001 |
| 5770726 | Process for preparing a cellllose acetoacetate alkanoates The present invention relates to a process for preparing a substituted cellulose acetoacetate alkanoate without using a carboxamide/lithium chloride solvent system. The process involves contacting cellulose in a carboxylic acid diluent with an acetylating... | 06/23/1998 |
| 5516673 | Bioactive conjugates of cellulose with amino compounds Polymers containing a plurality of free hydroxy groups, such as cellulose, agarose or polyvinyl alcohol, are contacted in absence of reactants for hydroxy groups, with at least one N-heterocyclic compound, e.g. pyridine, pyrrole, pyridazine, their partial... | 05/14/1996 |
| 5378828 | Process for preparing soluble alkali metal salts of cellulose sulfate using chlorosulfuric acid and pyridine The present invention provides a process for the preparation of water soluble alkali metal salts of cellulose sulfate having a degree of substitution ranging from 1 to 3 and viscosity of 1 percent aqueous solution in excess of 20 centipoises (cps). The pr... | 01/03/1995 |
| 5294703 | Process for preparing -D-cellobiose octaacetate Provided is a novel improved process for the preparation of -D-cellobiose octaacetate via the acetylative degradation of cellulose or cellulose acetate. The title compound is provided in high yield and quality in a facile one-pot process, amenable ... | 03/15/1994 |
