Joint filling composition

Claim 1

A HYDRAULIC CEMENT MIX WHICH IS COMPATIBLE WITH SUBSTANTIALLY ALL CONCENTRATIONS OF ADDITIVE INGREDIENTS CONSISTING ESSENTIALLY OF: FROM ABOUT 50% TO ABOUT 95% OF CEMENTITIOUS MATERIALS BY WEIGHT OF SAID MIX, SAID MATERIALS SELECTED FROM THE GROUP CONSISTING OF CALCIUM SILICATES AND CALCIUM ALUMINATES, FROM ABOUT 1% TO ABOUT 8% BY WEIGHT OF SAID MIX OF A CEMENT BINDER, SAID BINDER SELECTED FROM THE CLASS CONSISTING OF CASEIN, SOYBEAN DERIVATIVES, ZEIN, STARCHES, CELLULOSE ETHER, AND SODIUM POLYACRYLATE AND FROM ABOUT 0.1% TO ABOUT 5.0% BY WEIGHT OF SAID MIXOF A XANTHOMONAS HYDROPHILIC COLLOID SELECTED FROM THE GROUP CONSISTING OF XANTHOMONAS CAMPESTRIS, XANTHOMONAS INCANAE, XANTHOMONAS BEGONIAE, XANTHOMONAS MALYACEARUM COLLOID, SAID QUANTITY BEING SUFFICIENT TO GIVE RESULTING CEMENT SUSPENSION IMSUFFICIENT TO GIVE RESULTANT CEMENT SUSPENSION IMPROVED CLING AND WORKABILITY, SAID XANTHOMONAS COLLOID FURTHER BEING WHOLLY COMPATIBLE WITH ALL OF SAID ADDITIVE INGREDIENTS.