Patent application number | Description | Published |
20110236954 | CELLULASE PRODUCTION METHOD BASED ON THE REGULATION OF THE DISSOLVED OXYGEN PRESSURE OSCILLATION IN THE CULTURE MEDIUM - The present invention relates to a method of producing cellulolytic and/or hemicellulolytic enzymes by a cellulolytic microorganism in a stirred and aerated bioreactor, comprising a growth stage in the presence of a carbon source and a production stage in the presence of a carbon-containing inductive substrate, wherein the supply of carbon-containing inductive substrate during the production stage is regulated by an oscillation of the dissolved oxygen partial pressure in the medium. | 09-29-2011 |
20130210119 | METHOD FOR PRODUCING CELLULOLYTIC AND/OR HEMICELLULOLYTIC ENZYMES - The process for the production of cellulolytic and/or hemicellulolytic enzymes by a cellulolytic and/or hemicellulolytic microorganism according to the present invention comprises at least one phase for growth in the presence of a source of carbon and at least one phase for production in the presence of an inducing substrate, in which said inducing substrate is a mixture comprising 40% to 65% by weight of glucose or cellulosic hydrolysates, 21% to 25% by weight of lactose and 10% to 39% by weight of xylose or a solution of a lignocellulosic hemicellulosic hydrolysate, the sum of these three constituents being equal to 100%. | 08-15-2013 |
20140295524 | PROCESS FOR THE CONTINUOUS PRODUCTION OF CELLULASES BY A FILAMENTOUS FUNGUS USING A CARBON SUBSTRATE OBTAINED FROM AN ACID PRETREATMENT - A process for the production of cellulases and hemicellulases using a strain of a filamentous fungus in a stirred and aerated bioreactor, in at least two phases, a phase a) for growth of said strain in the presence of at least one carbonaceous growth substrate in a closed reactor, a phase b) for the continuous production of cellulases, in which at least one carbonaceous inducer substrate is supplied at a supply rate which is constant over a period of at least more than 200 h, said carbonaceous substrate being at least one aqueous hemicellulosic hydrolysate solution obtained from an acid pre-treatment of a lignocellulosic substrate, said aqueous hemicellulosic hydrolysate solution not undergoing prior sterilization and not undergoing pH rectification, being operated at a dilution rate in the range 0.001 to 0.02 h | 10-02-2014 |
20140302587 | PROCESS FOR PRODUCING CELLULASES USING A FILAMENTOUS FUNGUS SUITABLE FOR A FERMENTER, HAVING A LOW VOLUMETRIC OXYGEN TRANSFER COEFFICIENT KLA - The present invention concerns a process for the production of cellulases using a strain of a filamentous fungus in a stirred, aerated bioreactor, comprising at least two growth steps:
| 10-09-2014 |
20140349373 | PROCESS FOR THE PRODUCTION OF AN ENZYMATIC COCKTAIL USING SOLID RESIDUES FROM A PROCESS FOR THE BIOCHEMICAL COVERSION OF LIGNOCELLULOSIC MATERIALS - The present invention concerns a process for the production of an enzymatic cocktail by submerged culture with a cellulolytic microorganism, comprising two phases:
| 11-27-2014 |
20150152400 | USE OF CO2 TO DEACTIVATE A CELLULOLYTIC MICROORGANISM USED IN THE BIOCHEMICAL CONVERSION OF LIGNOCELLULOSIC MATERIALS - A process for the production of an enzymatic cocktail with a cellulolytic microorganism comprises two phases: | 06-04-2015 |
20150191757 | USE OF CO2 TO DEACTIVATING A CELLULOLYTIC MICROORGANISM USED IN THE BIOCHEMICAL CONVERSION OF LIGNOCELLULOSIC MATERIALS - The invention concerns a process for deactivating a cellulolytic microorganism enabling the production of an enzymatic cocktail, said cocktail being used without separating the cellulolytic microorganism during the biochemical conversion of lignocellulosic materials, comprising at least one step for bringing a gaseous stream into contact with a medium containing said microorganism, said gaseous stream comprising more than 25% by weight of CO | 07-09-2015 |
20150336999 | PROCESS FOR THE PRODUCTION OF SOPHOROSE STARTING FROM SOPHOROLIPIDS - The present invention concerns a process for the production of sophorose starting from sophorolipid, in which a step for the hydrolysis of sophorolipid is carried out in an aqueous medium in the presence of an acidic compound. | 11-26-2015 |