US4586959A — Composition for facing in the building field

Claim 1

Independent Claim 103 words

A composition intended for the preparation of facings by spraying by means of a hose a mixture comprising rock wool (A), the composition having an almost instantaneous setting time and a formulation necessarily comprising a combination of: (1) at least one powder product (B) consisting essentially of at least 30% of sodium or potassium bicarbonate, and a compound selected from the group consisting of calcium chloride, sulfamic acid and sodium bicarbonate, and optionally a solid silicate of sodium or potassium, and (2) an amount sufficient to almost instantaneously set the composition of at least an aqueous solution (C) of sodium or potassium silicate.

Claim 2

Dependent Claim 103 words

A composition intended for the preparation of facings by spraying by means of a hose a mixture comprising rock wool (A), the composition having an almost instantaneous setting time and a formulation necessarily comprising a combination of: (1) at least one powder product (B) consisting essentially of at least 30% of sodium or potassium bicarbonate, and a compound selected from the group consisting of calcium chloride, sulfamic acid and sodium bicarbonate, and optionally a solid silicate of sodium or potassium, and (2) an amount sufficient to almost instantaneously set the composition of at least an aqueous solution (C) of sodium or potassium silicate.

Claim 3

Dependent Claim 58 words

A composition according to claim 1, comprising (1) at least one powder product (B) containing at least one third in parts by weight of sodium or potassium bicarbonate, the remainder of (B) comprising calcium chloride and at least a solid silicate of sodium or potassium, and (2) at least an aqueous solution (C) of sodium or potassium silicate.

Claim 4

Dependent Claim 74 words

A composition intended for the preparation of facings by spraying by means of a hose a mixture, comprising rock wool (A), the composition having an almost instantaneous setting time and a formulation necessarily comprising a combination of: (1) at least one powder product (B) consisting essentially of at least 30% by weight of potassium bicarbonate, sulfamic acid, and optionally sodium bicarbonate, and (2) at least an aqueous solution (C) of sodium or potassium silicate.

Claim 5

Dependent Claim 74 words

A composition intended for the preparation of facings by spraying by means of a hose a mixture, comprising rock wool (A), the composition having an almost instantaneous setting time and a formulation necessarily comprising a combination of: (1) at least one powder product (B) consisting essentially of at least 30% by weight of potassium bicarbonate, sulfamic acid, and optionally sodium bicarbonate, and (2) at least an aqueous solution (C) of sodium or potassium silicate.

Claim 6

Dependent Claim 101 words

A composition intended for the preparation of facings by spraying by means of a hose a mixture, comprising about the following by weight: from 30 to 60% of rock wool (A) from 5 to 15% of a powder product (B) consisting of: from 30 to 60% of sodium or potassium bicarbonate, from 20 to 50% of calcium chloride crystallized with two molecules of water, from 10 to 30% of atomized sodium or potassium silicate, from 30 to 60% of an aqueous liquid (C) consisting of: from 0 to 100% of liquid sodium silicate, from 100 to 0% of liquid potassium silicate.

Claim 7

Dependent Claim 101 words

A composition intended for the preparation of facings by spraying by means of a hose a mixture, comprising about the following by weight: from 30 to 60% of rock wool (A) from 5 to 15% of a powder product (B) consisting of: from 30 to 60% of sodium or potassium bicarbonate, from 20 to 50% of calcium chloride crystallized with two molecules of water, from 10 to 30% of atomized sodium or potassium silicate, from 30 to 60% of an aqueous liquid (C) consisting of: from 0 to 100% of liquid sodium silicate, from 100 to 0% of liquid potassium silicate.

Claim 8

Dependent Claim 96 words

A composition for the preparation of facings by spraying by means of a hose a mixture, comprising about the following by weight: from 30 to 60% of rock wool (A), from 5 to 15% of a powder product (B) consisting of: from 30 to 60% of potassium bicarbonate, from 20 to 50% of calcium chloride crystallized with two molecules of water, from 10 to 30% of atomized sodium silicate, from 30 to 60% of an aqueous liquid (C) consisting of: from 60 to 80% of liquid sodium silicate, from 40 to 20% of liquid potassium silicate.

Claim 9

Dependent Claim 96 words

A composition for the preparation of facings by spraying by means of a hose a mixture, comprising about the following by weight: from 30 to 60% of rock wool (A), from 5 to 15% of a powder product (B) consisting of: from 30 to 60% of potassium bicarbonate, from 20 to 50% of calcium chloride crystallized with two molecules of water, from 10 to 30% of atomized sodium silicate, from 30 to 60% of an aqueous liquid (C) consisting of: from 60 to 80% of liquid sodium silicate, from 40 to 20% of liquid potassium silicate.

Claim 10

Dependent Claim 44 words

A composition according to claim 5, wherein the atomized sodium silicate used has a ratio by weight of SiO 2 / Na 2 O of 3.35, a molecular content of SiO 2 / Na 2 O of 3.46 and a water ratio of 22±2%.

Claim 11

Dependent Claim 37 words

A composition according to claim 5, wherein the liquid sodium silicate used presents a ratio by weight of SiO 2 / Na 2 O of 3.35, a molecular ratio of 3.45 and a water content of 65±4%.

Claim 12

Dependent Claim 37 words

A composition according to claim 5, wherein the liquid potassium silicate used presents a ratio by weight of SiO 2 /K 2 O of 2.6, a molecular ratio of about 4, and a water content of 75±4%.

Claim 13

Dependent Claim 97 words

A composition according to claim 3, comprising about the following by weight: from 30 to 65% of rock wool (A), from 3 to 10% of a powder product (B) consisting of: from 30 to 98% of potassium bicarbonate, from 2 to 10% of sulfamic acid, and, if necessary, the complement to 100% of sodium bicarbonate, from 25 to 60% of an aqueous liquid (C) consisting of: from 0 to 40% of water, from 100 to 60% of a mixture of 0 to 100% of liquid sodium silicate and from 100 to 0% of commercial liquid potassium silicate.

Claim 14

Dependent Claim 36 words

A composition according to claim 9, wherein the liquid sodium silicate used presents a ratio by weight of SiO 2 /Na 2 O of 3.35, a molecular ratio of 3.45 and a water content of 65±4%.

Claim 15

Dependent Claim 37 words

A composition according to claim 9, wherein the liquid potassium silicate used has a ratio by weight of SiO 2 /K 2 O of 2.6, a molecular ratio of about 4 and a water content of 65±4%.

Claim 16

Dependent Claim 88 words

A composition according to claim 7, comprising 40-5.5% of said rock wool (A), 6-12% of powder product (B), said atomized sodium silicate having a ratio by weight of SiO 2 /Na 2 O of 3.35, a molecular ratio of SiO 2 /Na 2 O of 3.46 and a water content of 22±2%, 40-50% of said aqueous liquid (C) wherein said liquid potassium silicate has a ratio by weight of SiO 2 /K 2 O of 2.6, a molecular ratio of about 4, and a water content of 75±4%.

Claim 17

Dependent Claim 139 words

A composition according to claim 3, containing by weight: from 35 to 60% of rock wool (A), from 3.5 to 6% of powder product (B) consisting of: from 60 to 35% of potassium bicarbonate, from 35 to 60% of sodium bicarbonate, from 5 to 7% of sulfamic acid, from 35 to 60% of an aqueous liquid (C) consisting of: from 0 to 40% of water, from 100 to 60% of a mixture consisting of: from 60 to 80% of liquid sodium silicate having a ratio by weight of SiO 2 /Na 2 O of 3.35, a molecular ratio of 3.45 and a water content of 65±4%, from 40 to 20% of liquid potassium silicate having a ratio by weight of SiO 2 /K 2 O of 2.6, a molecular ratio of about 4 and a water content of 65±4%.

Claim 18

Dependent Claim 18 words

A composition according to claim 1 wherein said aqueous solution (C) is present in an amount of 30%-60%.

Claim 19

Independent Claim 121 words

A method of preparing a soundproof and fireproof facing, comprising spraying, by means of a nozzle, (A) rock wool; and (B) at least one powder product consisting essentially of at least 30% of sodium or potassium bicarbonate, and a compound selected from the group consisting of calcium chloride, sulfamic acid and sodium bicarbonate, and optionally a solid silicate of sodium or potassium; supplying to said nozzle under pressure a liquid product comprising an aqueous solution of sodium or potassium silicate; projecting from the nozzle a mixture of said rock wool, said powder product and said aqueous solution; and forming and solidifying said admixture as an insulating soundproof and fireproof coating having a density in the order of 120-130±15 Kg/m 3 .

Claim 20

Independent Claim 121 words

A method of preparing a soundproof and fireproof facing, comprising spraying, by means of a nozzle, (A) rock wool; and (B) at least one powder product consisting essentially of at least 30% of sodium or potassium bicarbonate, and a compound selected from the group consisting of calcium chloride, sulfamic acid and sodium bicarbonate, and optionally a solid silicate of sodium or potassium; supplying to said nozzle under pressure a liquid product comprising an aqueous solution of sodium or potassium silicate; projecting from the nozzle a mixture of said rock wool, said powder product and said aqueous solution; and forming and solidifying said admixture as an insulating soundproof and fireproof coating having a density in the order of 120-130±15 Kg/m 3 .

Claim 21

Dependent Claim 85 words

A solidified soundproof and fireproof facing comprising a mixture of (A) rock wool; (B) at least one powder product consisting essentially of at least 30% sodium or potassium bicarbonate and a compound selected form the group consisting of calcium chloride, sulfamic acid and sodium bicarbonate, and optionally a solid silicate of sodium or potassium; and (C) a dried in situ aqueous solution of sodium or potassium silicate; said facing being very porous and having a low density on the order of 120-130±15 Kg/m 3 .

Claim 22

Dependent Claim 85 words

A solidified soundproof and fireproof facing comprising a mixture of (A) rock wool; (B) at least one powder product consisting essentially of at least 30% sodium or potassium bicarbonate and a compound selected form the group consisting of calcium chloride, sulfamic acid and sodium bicarbonate, and optionally a solid silicate of sodium or potassium; and (C) a dried in situ aqueous solution of sodium or potassium silicate; said facing being very porous and having a low density on the order of 120-130±15 Kg/m 3 .

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1989-05-05	1989-11-04	1990-05-06	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1993-05-05	1993-11-04	1994-05-06	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1997-05-05	1997-11-04	1998-05-06	$7700.00	Window Closed / Lapsed

Composition for facing in the building field

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