US5219958A — Coating compositions including acid blocked basic…

Claim 1

Independent Claim 117 words

A thermosetting coating composition comprising: (A) an activated unsaturated group-containing compound, (B) an activated CH group-containing compound and (C) a strong basic catalyst which is blocked with at least one carboxylic acid selected from the group consisting of: (a) volatile monocarboxylic acids having boiling points of less than about 270° C.; (b) monocarboxylic acids which undergo decarboxylation at temperatures of less than about 180° C.; and (c) dicarboxylic acids which undergo decarboxylation at temperatures of less than about 180° C., where (A) and (B) are present in amounts such that the ratio of the number of activated CH groups to the number of activated unsaturated groups is in the range of from about 0.25 to about 4.

Claim 2

Dependent Claim 117 words

A thermosetting coating composition comprising: (A) an activated unsaturated group-containing compound, (B) an activated CH group-containing compound and (C) a strong basic catalyst which is blocked with at least one carboxylic acid selected from the group consisting of: (a) volatile monocarboxylic acids having boiling points of less than about 270° C.; (b) monocarboxylic acids which undergo decarboxylation at temperatures of less than about 180° C.; and (c) dicarboxylic acids which undergo decarboxylation at temperatures of less than about 180° C., where (A) and (B) are present in amounts such that the ratio of the number of activated CH groups to the number of activated unsaturated groups is in the range of from about 0.25 to about 4.

Claim 3

Dependent Claim 17 words

The coating composition of claim 1, wherein said carboxylic acid contains from 1 to 10 carbon atoms.

Claim 4

Dependent Claim 17 words

The coating composition of claim 2, wherein said carboxylic acid contains from 1 to 8 carbon atoms.

Claim 5

Dependent Claim 17 words

The coating composition of claim 3, wherein said carboxylic acid contains from 1 to 4 carbon atoms.

Claim 6

Dependent Claim 18 words

The coating composition of claim 1, wherein said carboxylic acid has a pKa of about 9 or less.

Claim 7

Dependent Claim 23 words

The coating composition of claim 5, wherein said carboxylic acid has a pKa in the range of from about 2 to about 5.

Claim 8

Dependent Claim 16 words

The coating composition of claim 1, wherien said strong basic catalyst (C) is a nitrogen base.

Claim 9

Dependent Claim 18 words

The coating composition of claim 7, wherein said stong basic catalyst is selected from amine and ammonium compounds.

Claim 10

Dependent Claim 32 words

The coating composition of claim 1, wherein said carboxylic acid is present in an amount of from about 10 to about 125 equivalent percent based upon the active nitrogen in the catalyst.

Claim 11

Dependent Claim 32 words

The coating composition of claim 9, wherein said carboxylic acid is present in an amount of from about 25 to about 125 equivalent percent based upon the active nitrogen in the catalyst.

Claim 12

Dependent Claim 32 words

The coating composition of claim 10, wherein said carboxylic acid is present in an amount of from about 50 to about 100 equivalent percent based upon the active nitrogen in the catalyst.

Claim 13

Dependent Claim 19 words

The coating composition of claim 1, wherein said strong basic catalyst (C) and blocking agent together form a salt.

Claim 14

Dependent Claim 43 words

The coating composition of claim 1, wherein (A) and (B) are contained in an amount such that the ratio of the number of activated CH groups to the number of activated unsaturated groups is in the range of about 0.5 to about 2.0.

Claim 15

Dependent Claim 42 words

The coating composition of claim 1, wherein the basic catalyst (in proportions based upon the unblocked version) is utilized in an amount ranging from about 0.05 wt % to about 3.0 wt %, based upon the combined weight of (A) and (B).

Claim 16

Dependent Claim 42 words

The coating composition of claim 14, wherein the basic catalyst (in proportions based upon the unblocked version) is utilized in an amount ranging from about 0.1 wt % to about 1.0 wt %, based upon the combined weight of (A) and (B).

Claim 17

Independent Claim 134 words

A method of coating a substrate by applying a thermosetting coating composition comprising: (A) an activated unsaturated group-containing compound, (B) an activated CH group-containing compound, wherein (A) and (B) are contained in an amount such that the ratio of number of activated CH groups to the number of activated unsaturated groups is in the range of from about 0.25 to about 4 and (C) a strong basic catalyst which is blocked with at least one carboxylic acid selected from the goup consisting of: (a) volatile monocarboxylic acids having boiling points of less than about 270° C.; (b) monocarboxylic acids which undergo decarboxylation at temperatures of less than about 180° C.; and (c) dicarboxylic acids which undergo decarboxylation at temperatures of less than about 180° C., then curing the coating composition at an elevated temperature.

Claim 18

Independent Claim 134 words

A method of coating a substrate by applying a thermosetting coating composition comprising: (A) an activated unsaturated group-containing compound, (B) an activated CH group-containing compound, wherein (A) and (B) are contained in an amount such that the ratio of number of activated CH groups to the number of activated unsaturated groups is in the range of from about 0.25 to about 4 and (C) a strong basic catalyst which is blocked with at least one carboxylic acid selected from the goup consisting of: (a) volatile monocarboxylic acids having boiling points of less than about 270° C.; (b) monocarboxylic acids which undergo decarboxylation at temperatures of less than about 180° C.; and (c) dicarboxylic acids which undergo decarboxylation at temperatures of less than about 180° C., then curing the coating composition at an elevated temperature.

Claim 19

Dependent Claim 24 words

The method of claim 16 wherein said basic catalyst is a nitrogen base and said carboxylic acid contains from 1 to 10 carbon atoms.

Claim 20

Dependent Claim 19 words

THe method of claim 16 wherien said strong basic catalyst (C) and the blocking agent together form a salt.

Claim 21

Dependent Claim 78 words

A thermosetting coating composition comprising: (A) an activated unsaturated group-containing compound, (B) an activated CH group-containing compound, (C) a catalyst comprising a nitrogen base which is blocked with at least one carboxylic acid containing from 1 to about 10 carbon atoms, wherein (A) and (B) are present in amounts such that the ratio of the number of actuated CH groups to the number of activated unsaturated groups is in the range of from about 0.25 to about 4.

Claim 22

Dependent Claim 78 words

A thermosetting coating composition comprising: (A) an activated unsaturated group-containing compound, (B) an activated CH group-containing compound, (C) a catalyst comprising a nitrogen base which is blocked with at least one carboxylic acid containing from 1 to about 10 carbon atoms, wherein (A) and (B) are present in amounts such that the ratio of the number of actuated CH groups to the number of activated unsaturated groups is in the range of from about 0.25 to about 4.

Claim 23

Dependent Claim 20 words

The coating composition of claim 19 wherein said catalyst is a salt of said nitrogen base and said carboxylic acid.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1996-06-14	1996-12-14	1997-06-15	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2000-06-14	2000-12-14	2001-06-15	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2004-06-14	2004-12-14	2005-06-15	$7700.00	Window Closed / Lapsed

Coating compositions including acid blocked basic catalysts

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