Soil grouting process and composition

Claim 1

AN AQUEOUS GEL-FORMING COMPOSITION, USEFUL IN STABLIZING SOIL, HAVING A PH OF ABOUT 8.5-11.5 AND CONTAINING DISPERSED THEREIN A. BETWEEN ABOUT 2 AND 45 PERCENT OF A POLYPHENOLIC VEGETABLE MATERIAL SELECTED FROM THE GROUP CONSISTING OF TANNIN EXTRACTS, CATECHINS AND ALKALINE EXTRACTS OF CONIFEROUS TREE BARKS, SAID POLYPHENOLIC MATERIAL BEING SOLUBLE IN ALKALINE SOLUTION, ABLE TO GEL RAPIDLY AND HAVING A FORMALDEHYDE COMBINING CAPACITY OF AT LEAST 5.0, B. BASED ON 100 PARTS OF POLYPHENOLIC MATERIAL, BETWEEN ABOUT 5 AND 30 PARTS OF FORMALDEHYDE AND/OR PARAFORMALDEHYDE OR BETWEEN ABOUT 10 AND 90 PARTS OF A PHENOL FORMALDEHYDE RESOLE AND C. A GELLING COMPOUND, SOLUBLE OR COLLOIDALLY DISPERSIBLE IN SAID AQUEOUS COMPOSITION, SAID GELLING COMPOUND BEING SELECTED FROM THE GROUP CONSISTING OF THE VANADATES, MOLY;BDATES, MANGANATES, PERMANGANATES, TITANATES, CUPRATES, AND ZIRCONATES OF POTASSIUM, SODIUM LITHIUM AND AMMONIUM AND THE CHLORIDES, SULFATES, NITRATES, HYDROXIDES AND OXIDES OF VANADIUM, MOLYBDENUM, MANGANESE, TITANIUM, COPPER, ZINC AND ZIRCONIUM, SAID COMPOUND BEING PRESENT IN AN AMOUNT CORRESPONDING TO BETWEEN ABOUT 0.01 AND 10 PARTS OF THE VANADIUM, MOLYBDENUM, MANGANESE, TITANIUM, COPPER, ZINC OR ZIRCONIUM THEREIN PER 100 PARTS OF POLYPHENOLIC MATERIAL.