Process of obtaining tanning materials
Process of oxyalkylating cyanoguanidine
Process of perfluoroalkylating aromatic compounds
Process of preparing lubricant additives
Process of preparing metalliferous sulphurized phenol...
Process of preparing salts of antibiotics and vitamins
Process of rendering chlorides of ketones soluble by means...
Process of separating a crude composition obtained from bark...
Process of treating lignin residues
Process of treating waste sulphite liquors
Process of treating waste sulphite liquors
Process of treatment and products from waste liquors
Process to dissociate and extract the lignin and optionally...
Processes for the preparation of soluble humus-containing...
Processing of aqueous extracts of bark
Producing quercetin from the barks of trees
Product of diuretic activity and process to prepare same
Product of reaction of phosphorous sulphide and hydrocarbon...
Product stabilization against oxidation
Production of a tanning agent from waste sulphite liquor by...