US4775597A — Ultraviolet light curable compositions for applic…

Claim 1

Independent Claim 166 words

A porous substrate derived from wood having adhered to a surface of said substrate, but not substantially penetrating said substrate, an ultraviolet light cured filler composition produced from (1) a liquid, ungelled binder of an unsaturated polyester resin having a number average molecular weight of from 500 to 3,000 derived from an ethylenically unsaturated dicarboxylic acid or anhydride thereof and an organic diol in a molar ratio of diol to acid of from about 1.10/1.00 to about 1.20/1.00, said unsaturated polyester resin having been reacted with a hydroxyl-containing amine selected from the group consisting of an alkanol amine having a secondary amino group, an alkanol amine having a primary amino group and a mixture thereof, (2) one or more ethylenically unsaturated compounds different from and curable with said unsaturated polyester resin, (3) an ultraviolet light transparent pigment, (4) a free radical initiator selected from the group consisting of a photoinitiator, a photosensitizer and a mixture thereof, and (5) optionally a carrier solvent for said filler composition.

Claim 2

Dependent Claim 166 words

A porous substrate derived from wood having adhered to a surface of said substrate, but not substantially penetrating said substrate, an ultraviolet light cured filler composition produced from (1) a liquid, ungelled binder of an unsaturated polyester resin having a number average molecular weight of from 500 to 3,000 derived from an ethylenically unsaturated dicarboxylic acid or anhydride thereof and an organic diol in a molar ratio of diol to acid of from about 1.10/1.00 to about 1.20/1.00, said unsaturated polyester resin having been reacted with a hydroxyl-containing amine selected from the group consisting of an alkanol amine having a secondary amino group, an alkanol amine having a primary amino group and a mixture thereof, (2) one or more ethylenically unsaturated compounds different from and curable with said unsaturated polyester resin, (3) an ultraviolet light transparent pigment, (4) a free radical initiator selected from the group consisting of a photoinitiator, a photosensitizer and a mixture thereof, and (5) optionally a carrier solvent for said filler composition.

Claim 3

Dependent Claim 19 words

The porous substrate of claim 1 wherein said hydroxyl-containing amine is an alkanol amine having a secondary amino group.

Claim 4

Dependent Claim 44 words

The porous substrate of claim 1 wherein said dicarboxylic acid or anhydride is selected from the group consisting of maleic acid, maleic anhydride, fumaric acid, itaconic acid and a mixture thereof, and said hydroxyl-containing amine is an alkanol amine having a secondary amino group.

Claim 5

Independent Claim 164 words

A method of minimizing absorption of a filler composition into a porous substrate comprising: (A) applying to a surface of said porous substrate having a surface temperature of from about 38 to about 88 degrees Celsius, a curable filler composition comprising (1) a liquid, ungelled binder of an unsaturated polyester resin having a number average molecular weight of from 500 to 3,000 derived from an ethylenically unsaturated carboxylic acid or anhydride thereof having an acid functionality of at least two and an organic polyol, said unsaturated polyester resin having been reacted with a hydroxyl-containing amine selected from the group consisting of an alkanol amine having a secondary amino group, an alkanol amine having a primary amino group and a mixture thereof, (2) one or more ethylenically unsaturated compounds different from and cocurable with said unsaturated polyester resin, (3) a pigment, (4) a free radical initiator, and (5) optionally a carrier solvent for said filler composition; and (B) curing said filler composition on said surface.

Claim 6

Independent Claim 164 words

A method of minimizing absorption of a filler composition into a porous substrate comprising: (A) applying to a surface of said porous substrate having a surface temperature of from about 38 to about 88 degrees Celsius, a curable filler composition comprising (1) a liquid, ungelled binder of an unsaturated polyester resin having a number average molecular weight of from 500 to 3,000 derived from an ethylenically unsaturated carboxylic acid or anhydride thereof having an acid functionality of at least two and an organic polyol, said unsaturated polyester resin having been reacted with a hydroxyl-containing amine selected from the group consisting of an alkanol amine having a secondary amino group, an alkanol amine having a primary amino group and a mixture thereof, (2) one or more ethylenically unsaturated compounds different from and cocurable with said unsaturated polyester resin, (3) a pigment, (4) a free radical initiator, and (5) optionally a carrier solvent for said filler composition; and (B) curing said filler composition on said surface.

Claim 7

Dependent Claim 46 words

The method of claim 4 wherein said curing is by exposure to ultraviolet light; said free radical initiator consists of a photocuring promoter selected from the group consisting of a photoinitiator, a photosensitizer and a mixture thereof; and said pigment is an ultraviolet light transparent pigment.

Claim 8

Dependent Claim 12 words

The method of claim 5 wherein said substrate is derived from wood.

Claim 9

Dependent Claim 35 words

The method of claim 5 wherein said unsaturated polyester resin is substantially linear and said ethylenically unsaturated carboxylic acid or anhydride thereof is a dicarboxylic acid or anhydride and said organic polyol is a diol.

Claim 10

Dependent Claim 18 words

The method of claim 7 wherein said hydroxyl-containing amine is an alkanol amine having a secondary amino group.

Claim 11

Dependent Claim 36 words

The method of claim 7 wherein said unsaturated polyester resin is prepared from said dicarboxylic acid or anhydride and said diol in a molar ratio of diol to acid of from about 1.10/1.00 to about 1.20/1.00.

Claim 12

Dependent Claim 43 words

The method of claim 9 wherein said dicarboxylic acid or anhydride is selected from the group consisting of maleic acid, maleic anhydride, fumaric acid, itaconic acid and a mixture thereof; and said hydroxyl-containing amine is an alkanol amine having a secondary amino group.

Claim 13

Dependent Claim 194 words

An ultraviolet light curable filler composition which resists absorption into a porous substrate, comprising: (1) from 30 percent to 55 percent by weight of a liquid, ungelled binder of an unsaturated polyester resin having a number average molecular weight of from 500 to 3,000 derived from an ethylenically unsaturated dicarboxylic acid or anhydride thereof and an organic diol in a molar ratio of diol to acid of from about 1.10/1.00 to about 1.20/1.00, said unsaturated polyester resin having been reacted with a hydroxyl-containing amine selected from the group consisting of an alkanol amine having a secondary amino group, an alkanol amine having a primary amino group and a mixture thereof, (2) from 50 percent to 10 percent by weight of one or more ethylenically unsaturated compounds different from and cocurable with said unsaturated polyester resin, (3) from 20 percent to 60 percent by weight of an ultraviolet light transparent pigment. (4) at least 0.33 percent by weight of a free radical initiator selected from the group consisting of a photoinitiator, a photosensitizer and a mixture thereof, and (5) from 0 percent to 10 percent by weight of a carrier solvent for said filler composition.

Claim 14

Dependent Claim 194 words

An ultraviolet light curable filler composition which resists absorption into a porous substrate, comprising: (1) from 30 percent to 55 percent by weight of a liquid, ungelled binder of an unsaturated polyester resin having a number average molecular weight of from 500 to 3,000 derived from an ethylenically unsaturated dicarboxylic acid or anhydride thereof and an organic diol in a molar ratio of diol to acid of from about 1.10/1.00 to about 1.20/1.00, said unsaturated polyester resin having been reacted with a hydroxyl-containing amine selected from the group consisting of an alkanol amine having a secondary amino group, an alkanol amine having a primary amino group and a mixture thereof, (2) from 50 percent to 10 percent by weight of one or more ethylenically unsaturated compounds different from and cocurable with said unsaturated polyester resin, (3) from 20 percent to 60 percent by weight of an ultraviolet light transparent pigment. (4) at least 0.33 percent by weight of a free radical initiator selected from the group consisting of a photoinitiator, a photosensitizer and a mixture thereof, and (5) from 0 percent to 10 percent by weight of a carrier solvent for said filler composition.

Claim 15

Dependent Claim 30 words

The composition of claim 11 wherein said dicarboxylic acid or anhydride is selected from the group consisting of maleic acid, maleic anhydride, fumaric acid, itaconic acid and a mixture thereof.

Claim 16

Dependent Claim 18 words

The composition of claim 12 wherein said hydroxyl-containing amine is an alkanol amine having a secondary amino group.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1991-10-04	1992-04-04	1992-10-04	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1995-10-04	1996-04-04	1996-10-04	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1999-10-04	2000-04-04	2000-10-04	$7700.00	Window Closed / Lapsed

Ultraviolet light curable compositions for application to porous substrates based on unsaturated polyesters reacted with amino alcohols

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