Fiber board and process of making same from desert shrubs

Claim 1

THE PROCESS OF MAKING A HARDBOARD PRODUCT FROM THE WOOD FIBERS OF A DESERT SHRUB WHICH NATURALLY CONTAIN RESIN CONSTITUENTS AND PENTOSANS AND WHICH PROCESS COMPRISES THE STEPS OF SUBJECTING CHIPS OF WOOD WHICH NATURALLY CNTAINS RESIN CONSTITUENTS AND PENTOSANS TO THE DIGESTING ACTION OF STEAM AT A PRESSURE OF FROM 50 TO 200 POUNDS PER SQUARE INCH FOR A TIME SUFFICIENT TO CONVERT THE PENTOSANS TO FURFURALS AND FOR THE FURFURALS TO REACT WITH OTHER CONSTITUENTS OF THE WOOD, THEREBY TO FORM PRECURSORS OF THERMOSETTING BINDERS IN THE WOOD FIBERS, FORMING A FELTED SHEET OF THE WET DIGESTED WOOD FIBERS, DRYING THE FELTED SHEET TO THE EXTENT THAT IT CONTAINS LESS THAN 10% MOISTURE BY WEIGHT, HEATING AND FURTHER DRYING THE SHEET TO A SUBSTANTIALLY BONE DRY STATE, AND SUBJECTING THE HOT AND DRIED SHEET TO MECHANICAL PRESSURE OF 700 TO 1400 POUNDS PER SQUARE INCH BETWEEN PLATENS AND A TEMPERATURE BETWEEN 400*C AND 500*F. TO CONSOLIDATE AND BOND THE WOOD FIBERS INTO A HARD THERMOSET SHEET.