US4183835A — Salts of a basic nitrogenous compound as stabiliz…

Claim 1

Independent Claim 191 words

A method for stabilizing a water-soluble composition of a resin which comprises adding, as a stabilizing agent, a carbonate, a formate, an acetate or a propionate of a basic nitrogenous compound selected from the group consisting of ammonia, a primary amine, a secondary amine, a tertiary amine, a heterocyclic compound which acts as a tertiary amine, a quaternary ammonium compound or a mixture thereof, to the water-soluble composition in an amount of from about 0.01 to about 10 parts by weight based on 100 parts by weight of the content of the resin in the water-soluble composition, said water-soluble resin composition being prepared by condensation reacting (i) an acid component consisting of 1,2,3,4-butane tetracarboxylic acid alone or a polycarboxylic acid component containing at least about 50 mol% of 1,2,3,4-butane tetracarboxylic acid and (ii) a diamine in the presence of a water-soluble solvent or, optionally in the presence of a water-soluble solvent and water, to obtain a condensation product having a residual acid value ratio of about 3 to about 50% of the acid value after condensation followed by formation of a salt of the condensation product with a basic nitrogeneous compound.

Claim 2

Independent Claim 191 words

A method for stabilizing a water-soluble composition of a resin which comprises adding, as a stabilizing agent, a carbonate, a formate, an acetate or a propionate of a basic nitrogenous compound selected from the group consisting of ammonia, a primary amine, a secondary amine, a tertiary amine, a heterocyclic compound which acts as a tertiary amine, a quaternary ammonium compound or a mixture thereof, to the water-soluble composition in an amount of from about 0.01 to about 10 parts by weight based on 100 parts by weight of the content of the resin in the water-soluble composition, said water-soluble resin composition being prepared by condensation reacting (i) an acid component consisting of 1,2,3,4-butane tetracarboxylic acid alone or a polycarboxylic acid component containing at least about 50 mol% of 1,2,3,4-butane tetracarboxylic acid and (ii) a diamine in the presence of a water-soluble solvent or, optionally in the presence of a water-soluble solvent and water, to obtain a condensation product having a residual acid value ratio of about 3 to about 50% of the acid value after condensation followed by formation of a salt of the condensation product with a basic nitrogeneous compound.

Claim 3

Dependent Claim 25 words

The method as claimed in claim 1, wherein the amount of said diamine is about 0.55 to 1.8 moles per mole of the acid component.

Claim 4

Dependent Claim 36 words

The method as claimed in claim 1, wherein said acid component is said acid component containing at least about 50 mol% of 1,2,3,4-butane tetracarboxylic acid and at least one other di-, tri- or tetravalent carboxylic acid.

Claim 5

Dependent Claim 38 words

The method as claimed in claim 1, wherein the amount of the stabilizing agent ranges from about 1 to about 5 parts by weight based on 100 parts by weight of the resin content in the water-soluble composition.

Claim 6

Dependent Claim 25 words

The method as claimed in claim 1, wherein said organic carboxylic is selected from the group consisting of formic acid, acetic acid and propionic acid.

Claim 7

Dependent Claim 77 words

The method as claimed in claim 1, wherein said stabilizing agent is selected from the group consisting of a carbonate, a formate, an acetate or a propionate of ammonia; a carbonate, a formate, an acetate or a propionate of a trialkylamine; a carbonate, a formate, an acetate or a propionate of an N-alkyldiethanolamine; a carbonate, a formate, an acetate or a propionate of an N,N-dialkylethanolamine; and a carbonate, a formate, an acetate or a propionate of triethanolamine.

Claim 8

Dependent Claim 13 words

The method as claimed in claim 6, said trialkylamine is trimethylamine or triethylamine.

Claim 9

Dependent Claim 13 words

The method as claimed in claim 6, said N-alkyldiethanolamine is N-methyldiethanolamine or N-ethyldiethanolamine.

Claim 10

Dependent Claim 14 words

The method as claimed in claim 6, wherein said N,N-dialkylethanolamine is N,N-dimethylethanolamine or N,N-diethylethanolamine.

Claim 11

Dependent Claim 161 words

The method as claimed in claim 1, wherein said water-soluble solvent is at least one compound represented by the general formula (a), (b), (c) or (d): (a) R--OH wherein R represents a monovalent organic residue of an aliphatic or alicyclic compound having 3 to 8 carbon atoms; (b) HO--R 1 --OH wherein R 1 represents (1) a divalent organic residue of an aliphatic or alicyclic compound having 3 to 8 carbon atoms, or (2) a divalent moiety having the formula ##STR3## wherein n represents 0 to 5 and R 2 represents a hydrogen atom or a methyl group; (c) R 3 O--(CH 2 CH 2 O) m --R 4 wherein m represents 1 to 3, R 3 represents a lower alkyl group having 1 to 4 carbon atoms, and R 4 represents a hydrogen atom or a --OOCCH 3 group, or R 3 and R 4 are both methyl groups; or ##STR4## wherein R 5 represents a glycerin or trimethylolpropane residue.

Claim 12

Dependent Claim 43 words

The method as claimed in claim 4, wherein said basic nitrogenous compound is selected from the group consisting of ammonia, ammonium hydroxide, tetraethylammonium hydroxide, tetramethylammonium hydroxide, trimethylamine, triethylamine, n-methylmorpholine, n-ethylmorpholine, pyridine, methylamine, ethylamine, diethylamine, dimethylamine, N-methyldiethanolamine, N-ethyldiethanolamine, N,N-dimethylethanolamine, N,N-diethylethanolamine, triethanolamine and mixtures thereof.

Claim 13

Dependent Claim 90 words

The method as claimed in claim 3, wherein said di-, tri- or tetravelent carboxylic acid is selected from the group consisting of succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, maleic acid, hexahydrophthalic acid, phthalic acid, isophthalic acid, terephthalic acid, trimellitic acid, 4-carboxydiphenyl-3',4'-dicarboxylic acid, 4-carboxydiphenylmethane-3',4'-dicarboxylic acid, 3-carboxydiphenylmethane-3',4'-dicarboxylic acid, 4-carboxydiphenylether-3',4'-dicarboxylic acid, 3-carboxydiphenylether-3',4'-dicarboxylic acid, 4-carboxydiphenylketone-3',4'-dicarboxylic acid, 4-carboxydiphenylsulphone-3',4'-dicarboxylic acid, pyromellitic acid, 3,3',4,4'-diphenyltetracarboxylic acid, 3,3',4,4'-benzophenonetetracarboxylic acid, 3,3',4,4'-diphenylmethanetetracarboxylic acid, 3,3',4,4'-diphenylethertetracarboxylic acid, 3,3',4,4'-diphenylsulfonetetracarboxylic acid, 1,1-bis(2,3-dicarboxyphenyl)ethane, 2,2-bis(3,4-dicarboxyphenyl)propane, 1,2,5,6-naphthalenetetracarboxylic acid, cyclopentane-1,2,3,4-tetracarboxylic acid, the anhydrides thereof, the isomers thereof and the mixtures thereof.

Claim 14

Dependent Claim 41 words

The method as claimed in claim 1, wherein said diamine is selected from the group consisting of aliphatic, alicyclic and aromatic diamines represented by the formula H 2 N--R--NH 2 , where R represents a divalent organic group, and mixtures thereof.

Claim 15

Dependent Claim 19 words

The method as claimed in claim 1, wherein said stabilizing agent is the carbonate of the basic nitrogeneous compound.

Claim 16

Dependent Claim 67 words

The method as claimed in claim 1, wherein said stabilizing agent is selected from the group consisting of a formate, an acetate or a propionate of ammonia; a formate, an acetate or a propionate of a trialkylamine; a formate, an acetate or a propionate of an N-alkyldiethanolamine; a formate, an acetate or a propionate of an N,N-dialkyethanolamine; and a formate, an acetate or a propionate of triethanolamine.

Claim 17

Dependent Claim 176 words

The resin composition obtained on mixing (a) a water-soluble resin composition prepared by condensation reacting an acid component consisting of 1,2,3,4-butanetetracarboxylic acid alone or a polycarboxylic acid component containing at least about 50 mol% of 1,2,3,4-butane tetracarboxylic acid and a diamine in the presence of a water-soluble solvent or, optionally in the presence of a water-soluble solvent and water, to obtain a condensation product having a residual acid value ratio of about 3 to about 50% of the acid value after condensation followed by formation of a salt of the condensation product with a basic nitrogenous compound; and (b) about 0.01 to about 10 parts by weight based on 100 parts by weight of said component (a) of a stabilizing agent, said stabilizing agent, wherein said stabilizing agent is a carbonate, a formate, an acetate or a propionate of a basic nitrogenous compound selected from the group consisting of ammonia, a primary amine, a secondary amine, a tertiary amine, a heterocyclic compound which acts as a tertiary amine, a quaternary ammonium compound or a mixture thereof.

Claim 18

Dependent Claim 176 words

The resin composition obtained on mixing (a) a water-soluble resin composition prepared by condensation reacting an acid component consisting of 1,2,3,4-butanetetracarboxylic acid alone or a polycarboxylic acid component containing at least about 50 mol% of 1,2,3,4-butane tetracarboxylic acid and a diamine in the presence of a water-soluble solvent or, optionally in the presence of a water-soluble solvent and water, to obtain a condensation product having a residual acid value ratio of about 3 to about 50% of the acid value after condensation followed by formation of a salt of the condensation product with a basic nitrogenous compound; and (b) about 0.01 to about 10 parts by weight based on 100 parts by weight of said component (a) of a stabilizing agent, said stabilizing agent, wherein said stabilizing agent is a carbonate, a formate, an acetate or a propionate of a basic nitrogenous compound selected from the group consisting of ammonia, a primary amine, a secondary amine, a tertiary amine, a heterocyclic compound which acts as a tertiary amine, a quaternary ammonium compound or a mixture thereof.

Claim 19

Dependent Claim 20 words

The composition of claim 16, wherein said stabilizing agent is the formate, acetate or propionate of said basic nitrogeneous compound.

Claim 20

Dependent Claim 65 words

The composition of claim 17, wherein said stabilizing agent is selected from the group consisting of a formate, an acetate or a propionate of ammonia; a formate, an acetate or a propionate of a trialkylamine; a formate, an acetate or a proprionate of an N-alkyldiethanolamine; a formate, an acetate or a proprionate of an N,N-dialkylethanolamine; and a formate, an acetate or a proprionate of triethanolamine.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1983-01-14	1983-07-16	1984-01-15	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1987-01-14	1987-07-16	1988-01-15	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1991-01-14	1991-07-16	1992-01-15	$7700.00	Window Closed / Lapsed

Salts of a basic nitrogenous compound as stabilizers for neutralized polyamide-acid resin

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