Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
231 words
A heat convertible coating composition consisting essentially of water and, as the essential film-forming polymer ingredient in solution in said water, a partially neutralized water soluble tertiary alkanol amine salt of a copolymer, dissolved in a sufficient amount of solvent, to dissolve said salt, said alkanol amine being selected from the group consisting of dimethyl amino ethanol, triethanolamine, dimethyl aminopropanol, tripropanol amine and diethylamino ethanol, said copolymer consisting of C 2 -C 8 alkyl acrylate and 8 - 15% acrylic acid with from 0 - 5% acrylamide and 5 - 10% of hydroxethyl acrylate or hydroxypropyl acrylate and having a molecular weight of 20,000 to 200,000 and an acid number of 95 - 120, said partially neutralized tertiary alkanol amine salt having from 61 - 65% of the stoichiometric amount of tertiary alkanol amine required for complete neutralization of all of the carboxyl groups of said copolymer, said solvent for said 61 - 65% neutralized copolymer salt solution selected from the group consisting of ethylene glycol monoethyl ether, ethylene glycol monoethyl ether acetate, ethylene glycol monobutyl ether butanol and mixtures of these, and a cross-linking, water-soluble and alcohol-soluble film-forming aminoplast selected from the group consisting of melamine-formaldehyde resin condensate, urea-formaldehyde resin condensate, guamidine-formaldehyde resin condensate and the methanol and ethanol modified forms of the aforesaid condensates, and wherein all but the alcohol or ester solvent in the volatile phase is water.
Claim 2
Dependent Claim
231 words
A heat convertible coating composition consisting essentially of water and, as the essential film-forming polymer ingredient in solution in said water, a partially neutralized water soluble tertiary alkanol amine salt of a copolymer, dissolved in a sufficient amount of solvent, to dissolve said salt, said alkanol amine being selected from the group consisting of dimethyl amino ethanol, triethanolamine, dimethyl aminopropanol, tripropanol amine and diethylamino ethanol, said copolymer consisting of C 2 -C 8 alkyl acrylate and 8 - 15% acrylic acid with from 0 - 5% acrylamide and 5 - 10% of hydroxethyl acrylate or hydroxypropyl acrylate and having a molecular weight of 20,000 to 200,000 and an acid number of 95 - 120, said partially neutralized tertiary alkanol amine salt having from 61 - 65% of the stoichiometric amount of tertiary alkanol amine required for complete neutralization of all of the carboxyl groups of said copolymer, said solvent for said 61 - 65% neutralized copolymer salt solution selected from the group consisting of ethylene glycol monoethyl ether, ethylene glycol monoethyl ether acetate, ethylene glycol monobutyl ether butanol and mixtures of these, and a cross-linking, water-soluble and alcohol-soluble film-forming aminoplast selected from the group consisting of melamine-formaldehyde resin condensate, urea-formaldehyde resin condensate, guamidine-formaldehyde resin condensate and the methanol and ethanol modified forms of the aforesaid condensates, and wherein all but the alcohol or ester solvent in the volatile phase is water.
Claim 3
Dependent Claim
29 words
A heat-convertible coating composition as claimed in claim 1, wherein said partially neutralized water-soluble tertiary alkanol amine salt of said copolymer is the dimethylamino ethanol salt of the copolymer.
Claim 4
Dependent Claim
46 words
A heat convertible coating composition as claimed in claim 1 wherein said partially neutralized water-soluble tertiary alkanol amine salt of said copolymer is the dimethylamino ethanol salt of the copolymer of 8-15% acrylic acid, 5% acrylamide and the remainder is C 2 -C 8 acrylate ester.
Claim 5
Dependent Claim
48 words
A heat convertible coating composition as claimed in claim 1 wherein said partially neutralized water-soluble tertiary alkanol amine salt of said copolymer is the dimethylamino ethanol salt of the copolymer of 8-15% acrylic acid, 5-10% hydroxyethylacrylate, 5% acrylamide and the remainder is C 2 -C 8 alkyl acrylate.
Claim 6
Dependent Claim
25 words
A heat convertible composition as claimed in claim 1, wherein said aminoplast is an alcohol modified melamine formaldehyde condensate and wherein the alcohol is methanol.
Claim 7
Dependent Claim
87 words
A heat convertible composition as claimed in claim 1, wherein the solvent for neutralization is ethylene glycol monoethyl ether in a proportion of about 5 to 20% of the aqueous composition; the aminoplast cross-linker is present in an amount of from about 5 to about 30% of the total film-forming binder of the composition; the partially neutralized salt of the copolymer is from 70-95% of the total film-forming binder of the composition; and wherein all but the cellosolve in the volatile phase of the composition is water.
Claim 8
Dependent Claim
32 words
A heat convertible composition as claimed in claim 6, wherein a pigment is included in an amount of from about 2 to about 50% of the total solid phase of the composition.