Stable thiourea and urea mixed resins and their preparation

Claim 1

A COMPOSITION OF MATTER WHICH COMPRISES WATERSOLUBLE, HYDROPHILIC PRODUCTS OF REACTING AT A TEMPERATURE ABOVE ABOUT 45* C. AND AT A PH BETWEEN ABOUT 4.0 AND ABOUT 6.0, A WATER-SOLUBLE, ALIPHATIC MONOHYDRIC ALCOHOL CONTAINING 1 TO 3 CARBON ATOMS, AND A HYDROPHILIC FORMALDEHYDE CONDENSATE OF THIOUREA, SAID ALCOHOL AND FROMALDEHYDE CONDENSATE OF THIOUREA BEING REACTED IN RELATIVE PROPORTIONS OF AT LEAST ABOUT 0.4 MOLE OF ALCOHOL PER MOLE ON A MONOMERIC BASIS OF SAID FORMALDEHYDE CONDENSATE OF THIOUREA, IN WHICH THE REACTION IS HALTED AFTER A SUBSTANTIAL AMOUNT OF ALCOHOL HAS REACTED AND BEFORE A SAMPLE OF THE REACTION MIXTURE HYROPHOBES UPON DILUTION WITH 50 VOLUMES OF WATER AT 20* C., AND A HYDROPHILIC WATER-SOLUBLE UREA DERIVATIVE OF THE GROUP CONSISTING OF MONOMERS AND LOWER POLYMERS OF METHYLOL UREAS AND LOWER ALKYL ETHERS OF METHYLOL UREAS, WHEREIN SAID UREA DERIVATIVE HAS A UREA CONTENT BETWEEN ABOUT 0.6 AND ABOUT 7.0 PARTS BY WEIGHT PER PART OF THIOUREA, THE TOTAL FORMALDEHYDE CONTENT OF THE MIXTURE IS BETWEEN ABOUT 1.0 AND ABOUT 2.3 MOLES OF FORMALDEHYDE PER MOLE OF UREA AND THIOUREA ON A MONOMERIC BASIS, AND WHEREIN FROM BETWEEN ABOUT 0.1 AND ABOUT 1.8 MOLES OF ALCOHOL ARE COMBINED PER TOTAL MOLES OF THIOUREA AND UREA TAKEN.