Treatments of porous and fibrous substrates

Claim 1

LEATHER TREATED WITH COMPOSITIONS OF MATER SELECTED FROM THE GROUP CONSISTING OF (I) MIXTURES OF (A) A COMPLETELY NEUTRALIZED SALT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM AND ALKALI METAL SALTS OF WATER-SOLUBLE ANOINIC LINEAR COPOLYMERS, SAID COPOLYMERS CONTAINING APPROXIMATELY EQUIMOLAR AMOUNTS OF AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF METALIC ANHYDRIDE, MALEIC ACID AND ITACONIC ACID AND AT LEAST ONE OTHER ETHYLENICALLY UNSATURATED MONOMER COPOLYMERIZABLE THEREWITH WITH THE PROVISO THAT WHEN SAID COPOLYMER CONTAINS ACRYLAMIDE COPOLYMERIZED WITH A COMONOMER SELECTED FROM A GROUP CONSISTING OF ITACONIC ACID AND SALTS OF ITACONIC ACID, THERE ARE FROM 1 TO 3 MOLES OF ACRYLAMIDE PER MOLE OF SAID MONOMER, AND (B) AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE AND WATER-DISPERSIBLE AMPHOTERIC AMINEPLAST RESINS AND STABLE WATER-SOLUBLE AND WATERDISPERSIBLE CATIONIC AMINOPLAST RESINS, SAID CATIONIC AMINOPLASTIC RESINS BEING FORMED BY REACTING A WATERSOLUBLE AMINO-FORMALDEHYDE RESIN CONTAINING FREE AND UNREACTED METHYLOL GROUPS WITH A WATER-SOLUBLE AMINO RESIN BASE IN AN ANOUNT SUFFICIENT TO SUBSTANTIALLY REACT WITH ALL OF SAID METHYLOL GROUPS OF SAID AMINO FORMALDEHYDE RESIN, SAID AMINO-FORMALDEHYDE RESIN BEING FORMED BY REACTING AT LEAST ONE AMINO RESIN BASE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF FORMALDEHYDE AND FORMALDEHYDE LIBERATING COMPOUNDS, AND THE MOLE RATIO OF (A) TO (B) IN SAID NUXTURE BEING FORM ABOUT 15:1 TO ABOUT 1:15, (2) COMPLEX SALTS OF (A) A MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE FREE ACID FORM OF, THE PARTIALLY NEUTRALIZED AMMONIUM SALT FORM OF AND THE PARTIALLY NEUTRALIZED ALKALI METAL SALT FORM OF WATER-SOLUBLE ANIONIC LINEAR COPOLYMERS, SAID COMPOLYMERS CONTAINING APPROXIMATELY EQUIMOLAR AMOUNTS OF AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF MELEIC ANHYDRIDE, MALEIC ACID AND ITACONIC ACID AND AT LEAST ONE OTHER ETHYLENICALLY UNSATURATED MONOMER COPOLYMERIZABLE THEREWITH WITH THE PROVISO THAT WHEN SAID COPOLYMER CONTAINS ACRYLAMIDE COPOLYMERIZED WITH A COMONOMER SELECTED FROM THE GROUP CONSISTING OF ITACONIC ACID AND SALTS OF ITACONIC ACID, THERE ARE FROM 1 TO 3 MOLES OF ACRYLAMIDE PER MOLE OF SAID MONOMER, AND (B) AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF WATER-SOLUBLE AND WATER-DISPERSIBLE AMPHOTERIC AMINOPLAST RESINS, AND STABLE WATERSOLUBLE AND STABLE WATER-DISPRSIBLE CATIONIC AMINOPLASTIC RESINS, SAID CATIONIC AMINOPLAST RESINS BEING FORMED BY REACTING A WATER-SOLUBLE AMINO-FORMALDE HYDE RESIN CONTAINING FREE AND UNREACTED METHYLOL GROUPS WITH AN AMINO RESIN BASE IN AN AMOUNT SUFFICIENT TO REACT WITH SUBSTANTIALLY ALL OF SAID METHYLOL GROUPS OF THE AMINO-FORMALDEHYDE RESIN, SAID AMINOFORMALDEHYDE RESIN BEING FORMED BY REACTING AT LEAST ONE AMINO RESIN BASE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF FORMALDEHYDDE AND FORMALDEHYDE LIBERATING COMPOUNDS, AND THE MOLE RATIO OF (A) TO (B) IN FORMING SAID COMPLEX SALT BEING FROM ABOUT 15:1 TO ABOUT 1:15, (3) CONDENSATES FORMED BY REACTING (A) WATER-SOLUBLE ANIONIC LINEAR COPOLYMERS CONTAINING AT LEAST ONE REACTIVE RADICAL SELECTED FROM THE GROUP CONSISTING OF ANHYDRIDES AND FREE CARBOXY ACIDS, SAID COPOLYMERS CONTAINING APPROXIMATELY EQUIMOLAR AMOUNTS OF AT LEASE ONE MEMBER OF THE GROUP CONSISTING OF MALEIC ANHYDRIDE, MALEIC ACID AND ITACONIC ACID AND AT LEAST ONE OTHER ETHYLENEICALLY UNSATURATED MONOMER COPOLYMERIZABLE THEREWITH WITH THE PROVISO THAT WHEN SAID COPOLYMER CONTAINS ACRYLAMIDE COPOLYMERIZED WITH A COMONOMER SELECTED FROM A GROUP CONSISTING OF ITACONIC ACID AND SALTS OF ITACONIC ACID, THERE ARE FROM 1 TO 3 MOLES OF ACRYLAMIDE PER MOLE OF SAID MONOMER, WITH (B) A NITROGENOUS MATERIAL AT TEMPERATURES AND PRESSURES SUFFICIENT TO REMOVE THE WATER OF CONDENSATION, SAID NITOGENOUS MATERIAL BEING SELECTED FROM THE GROUP CONSISTING OF WTER-SOLUBLE AND WATER-DISPERSIBLE CATIONIC AMINOPLAST RESINS, AMPHOTERIC AMINOPLAST RESINS, CATIONIC AMINO RESIN BASES AND AMPHOTERIC AMINO RESIN BASES, AND CATIONIC AMINOPLAST RESINS BEING FOMED BY REACTING A WATERSOLUBLE AMINO-FORMALDEHYDE RESIN CONTAINING FREE AND UNREACTED METHYLOL GROUPS WITH A WATER-SLUBLE AMINO RESIN BASE IN AN AMOUNT SUFFICIENT TO REACT WITH ALL OF THE METHYLOL GROUPS OF THE AMINO-FORMALDEHYDE RESIN, SAID AMINO FORMALDEHYDE RESIN BEING FORMED BY REACTING AT LEAST ONE AMINO RESIN ASE WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF FORMALDEHYDE AND FORMALDEHYDE LIBERATING COMPOUNDS, SAID NITOGENOUS MATERIAL BEING PRESENT IN AN AMOUNT SUFFICIENT TO REACT WITH ALL OF SAID REACTIVE RADICALS OF SAID ANIONIC LINEAR COPOLYMERS.