| Patents for C07G 1 - Low-molecular-weight derivatives of lignin (646) |
|---|
| 04/07/1993 | EP0535001A1 Composite molecular system for the contra-escalatory treatment of viral infections. |
| 02/23/1993 | CA1313865C Production of lignin |
| 12/15/1992 | US5171570 Substance having suppressing function for diseases relating to increase in cholesterol, and foods and drinks in which it is used |
| 11/28/1992 | CA2043313A1 Method for recovering and using lignin in adhesive resins |
| 08/02/1992 | WO1992013849A1 Pulping of lignocellulosic materials and recovery of resultant by-products |
| 08/02/1992 | CA2101754A1 Pulping of lignocellulosic materials and recovery of resultant by-products |
| 07/14/1992 | CA1305132C Sulfomethylated lignin amines |
| 12/12/1991 | WO1991018616A1 Composite molecular system for the contra-escalatory treatment of viral infections |
| 09/18/1991 | EP0446556A1 A method for fractionation of lignins from steam exploded lignocellulosics to provide fractions with different, but reproducible properties, and some methods for their interconversions and the products so produced |
| 09/10/1991 | CA1288765C Lignin having sulfur and phosphorus groups |
| 06/12/1991 | EP0431650A1 A substance having suppressing function for diseases relating to increase in cholesterol, and foods and drinks in which it is used |
| 06/04/1991 | CA1284637C Biomass fractionation process |
| 05/28/1991 | CA1284491C Procedure for separating lignin and phenol from phenol solutions |
| 04/11/1991 | CA2026585A1 Isolation of lignin from solvent pulping liquors |
| 04/09/1991 | CA1282777C Process to dissociate and extract the lignin and optionally the xylan from the primary wall and middle lamella of lignocellulosic material which retains the structural integrity of the fibre core, and the product so produced |
| 04/04/1991 | CA2012101A1 Antiviral medicinal composition |
| 01/29/1991 | CA1279641C Lignin having nitrogen and sulfur |
| 12/27/1990 | CA1278294C Method for fractionation of lignins from steam exploded lignocellulosics to provide fractions with different, but reproducible properties,and some methods for their interconversions and the products so produced |
| 10/30/1990 | US4966650 Solvent extraction |
| 10/03/1990 | EP0389631A1 Process for preparing dibenzocyclooctadiene type lignan |
| 04/10/1990 | CA1267648A1 Process for lignin recovery |
| 02/22/1990 | WO1990001487A1 Process for preparing dibenzocyclooctadiene type lignan |
| 01/03/1990 | EP0349204A2 Use and regeneration of reagents using coupled reactions and permselective barriers |
| 02/21/1989 | CA1250283A2 Method and apparatus involving supercritical fluid extraction |
| 09/21/1988 | CN87101820A Preparation method of sulfomethylated derivative of lignin calcium sulfonate, a new dolomite depressant for phosphorus mineral floatation |
| 07/06/1988 | EP0273758A2 Procedure for separating lignin and phenol from phenol solutions |
| 05/10/1988 | US4742814 Process for production of xylitol from lignocellulosic raw materials |
| 05/04/1988 | CN86107289A The manufacturing method of dissolvable lignin from alkali lignin |
| 05/04/1988 | CN85105225B Technology for making diluent of oil drilling slurry with furfural productin solid waste as raw material |
| 04/05/1988 | CA1234802A1 Process for producing wood pulp utilizing an s-triazine additive, and an improved wood pulp and paper containing an s-triazine |
| 11/17/1987 | CA1229334A1 Biomass fractionation process |
| 06/10/1987 | EP0224721A1 Recovery of lignin |
| 07/30/1986 | CN85105225A Technology for making diluent of oil drilling slurry with furfural production solid waste as raw material |
| 06/04/1985 | US4521336 Process for preparing lignosulfonates |
| 05/28/1985 | US4520105 Sacchartfication by heating with wateer and lower aliphatic alcohols or ketones |
| 10/11/1983 | US4409032 Organosolv delignification and saccharification process for lignocellulosic plant materials |
| 02/15/1983 | CA1267407B Method of rendering lignin separable from cellulose and hemicellulose and the product so produced |
| 09/16/1981 | EP0035586A1 Biochemically active ingredient, process for its production and a pharmaceutical preparation that contains this ingredient |
| 05/05/1981 | CA1100266A1 Organosolv delignification and saccharification process for lignocellulosic plant materials |
| 02/24/1981 | CA1217765B Method of rendering lignin separable from cellulose and hemicellulose in lignocellulosic material and the product so produced |
| 02/24/1981 | CA1096374A1 Method of rendering lignin separable from cellulose and hemicellulose in lignocellulosic material and the product so produced |
| 03/06/1979 | CA1050013A1 Polymer made of lignin, and method for making it |
| 11/07/1978 | CA1041930A1 Antibiotic a-28086 complex from streptomyces aureofaciens |
| 08/15/1978 | US4107111 Polymer made of lignin, and method for making it |
| 07/11/1978 | US4100155 Acidificatin |
| 07/20/1976 | US3970712 Hydrolysis of oat husks |