Process of adhering anionic and non-ionic substances to anionic substances

Claim 1

A PROCESS FOR ADHERING A SUBSTANCE FROM THE CLASS CONSISTING OF ANIONIC AND NON-IONIC RESINS AND PIGMENTS TO AN ANIONIC MATERIAL FROM THE CLASS CONSISTING OF CELLULOSE AND STARCH WHICH CONSISTS ESSENTIALLY OF REACTING SAID ANIONIC MATERIAL WITH AN AQUEOUS DISPERSION OF A HYDROPHILIC ALTERING RESIN FROM THE GROUP CONSISTING OF (A) HYDROPHILIC EPOXIDIZED PRECONDENSATES OF A POLYEPOXIDE HAVING AN EPOXIDE EQUIVALENT OF AT LEAST 43 AND A POLYAMINE CONTAINING AT LEAST FOUR CARBON ATOMS AND (B) FORMALDEHYDE POLYMERS OF (A), AND ALTERING RESIN CONTAINING AT LEAST TWO EQUIVALENTS OF REACTIVE AMINO GROUPS FOR EACH EPOXIDE GROUP IN THE PRECONDESATE AND 0.1 TO 0.8 EQUIVALENT OF ADDITIONAL EPOXIDE GROUP IN THE ALTERING RESIN (A) AND AT LEAST ONE MOLE OF FORMALDEHYDE PER MOLE OF EPOXIDIZED PRECONDESATE IN ALTERING RESIN (B), SAID ALTERING RESIN BEING EFFECTIVE TO CONVERT SAID ANIONIC MATEERAL TO CATIONIC NITROGENATED MATERIAL, AND BRINGING SAID CATIONIC NITROGENATED MATERIAL INTO CONTACT WITH A SUBSTANCE TO BE ADHERED THERETO FROM THE CLASS CONSISTING OF ANIONIC AND NON-IONIC RESINS AND PIGMENTS.