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US4734302A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for forming simulated stone and resulting product

Assignee: SUNCOR Corp 185 FRANKLIN STREET NEWTON MASSACHUSETTS 02158 A MASSACHUSETTS CORP
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Filing: 1987-01-27
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Granted: 1988-03-29
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Expires: 2007-01-27
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Abstract

Abstract The invention relates to synthetic coatings applied to substrates to simulate natural stone. The synthetic coatings are curable and saturated with a thin coating of fine particulate material. An implement is then used to tamp the coated surface to produce a natural stone appearance.

Inventors

  • 👤 David Baskin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 21:39
CPC Classifications
B; B44; B44F; B44F9/00; B44F9/04; B05; B05D; B05D5/00; B05D5/06; B05D5/061; B05D3/00; B05D3/12; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T428/24372; Y10T428/25; Y10T428/259

Claims Analysis

Total Claims: 33
Claim 1
Independent Claim 94 words
A method for producing a simulated stone surface comprising, applying a curable synthetic resin composition to a substrate, applying a thin coating of fine particulate material to the surface of said composition to saturate the surface of the composition with the fine particulate material such that the surface is non-tacky, contacting said coated surface in a tamping action with an implement capable of carrying particles to ensure that said coated surface is completely covered with said fine particulate material so as to produce a surface simulating stone, and allowing the resin composition to cure.
Claim 2
Independent Claim 94 words
A method for producing a simulated stone surface comprising, applying a curable synthetic resin composition to a substrate, applying a thin coating of fine particulate material to the surface of said composition to saturate the surface of the composition with the fine particulate material such that the surface is non-tacky, contacting said coated surface in a tamping action with an implement capable of carrying particles to ensure that said coated surface is completely covered with said fine particulate material so as to produce a surface simulating stone, and allowing the resin composition to cure.
Claim 3
Dependent Claim 27 words
A method for producing a simulated stone surface as claimed in claim 1 wherein said fine particulate material has an average particle size between 30 and 325.
Claim 4
Dependent Claim 24 words
A method for producing a simulated stone surface as claimed in claim 2 wherein said curable synthetic resin composition includes an unsaturated polyester resin.
Claim 5
Dependent Claim 22 words
A method for producing a simulated stone surface as claimed in claim 3 wherein said curable synthetic resin composition includes a thickener.
Claim 6
Dependent Claim 21 words
A method for producing a simulated stone surface as claimed in claim 4 wherein said curable resin composition includes a filler.
Claim 7
Dependent Claim 23 words
A method for producing a simulated stone surface as claimed in claim 5 wherein said curable synthetic resin composition includes a color pigment.
Claim 8
Dependent Claim 47 words
A method for producing a simulated stone surface as claimed in claim 6 wherein said coloring agent is a gray polyester color pigment dispersion, said fine particulate material is silica, and said filler is silica aggregate and boiler slag having a particle size between about 12-40 mesh.
Claim 9
Dependent Claim 26 words
A method for producing a simulated stone surface as claimed in claim 7 wherein said curable synthetic resin composition includes a methyl ethyl ketone peroxide catalyst.
Claim 10
Dependent Claim 42 words
A method for producing a simulated stone surface as claimed in claim 2 wherein the thin coating of fine particulate material is applied by first coating the implement with said fine particulate material and then contacting the surface with the coated implement.
Claim 11
Dependent Claim 36 words
A method for producing a simulated stone surface as claimed in claim 1 further comprising dampening said implement and contacting said dampened implement with said fine particulate material prior to contacting said surface with said implement.
Claim 12
Dependent Claim 27 words
A method for producing a simulated stone surface as claimed in claim 10 wherein the surface of said implement is cloth and said cloth surface is dampened.
Claim 13
Dependent Claim 29 words
A method for producing a simulated stone surface as claimed in claim 1 wherein a surface of said implement contacting said coated surface of said composition is dampened cloth.
Claim 14
Independent Claim 108 words
A method for producing a simulated stone surface comprising, applying a curable synthetic resin composition to a substrate, applying a color pigment to the surface of said composition in a marble-like discontinuous manner, applying a thin coating of fine particulate material to the surface of said composition to saturate the surface of the composition with the fine particulate material such that the surface is non-tacky, contacting the surface in a tamping action with an implement capable of carrying particles to ensure that said coated surface is completely covered with said fine particulate material so as to produce a surface simulating stone, and allowing the resin composition to cure.
Claim 15
Independent Claim 108 words
A method for producing a simulated stone surface comprising, applying a curable synthetic resin composition to a substrate, applying a color pigment to the surface of said composition in a marble-like discontinuous manner, applying a thin coating of fine particulate material to the surface of said composition to saturate the surface of the composition with the fine particulate material such that the surface is non-tacky, contacting the surface in a tamping action with an implement capable of carrying particles to ensure that said coated surface is completely covered with said fine particulate material so as to produce a surface simulating stone, and allowing the resin composition to cure.
Claim 16
Dependent Claim 29 words
A method for producing a simulated stone as claimed in claim 13 wherein said fine particulate material has an average particle size of between about 45 and 200 grit.
Claim 17
Dependent Claim 45 words
A method for producing a simulated stone surface as claimed in claim 14 wherein said thin coating of fine particulate material is applied by first coating an applicator with said fine particulate material and then contacting the surface of said composition with said coated applicator.
Claim 18
Dependent Claim 21 words
A method for producing a simulated stone surface as claimed in claim 13 wherein said fine particulate material is talcum powder.
Claim 19
Dependent Claim 36 words
A method for producing a simulated stone surface as claimed in claim 13 further comprising dampening said implement and contacting said dampened implement with said fine particulate material prior to contacting said surface with said implement.
Claim 20
Dependent Claim 27 words
A method for producing a simulated stone surface as claimed in claim 17 wherein the surface of said implement is cloth and said cloth surface is dampened.
Claim 21
Independent Claim 82 words
A method for producing a simulated stone surface comprising, applying a curable synthetic resin composition to a substrate, applying a thin coating of fine particulate material to the surface of said composition to saturate the surface of the composition with fine particulate material such that the surface is non-tacky, coating an implement with said fine particulate material, contacting said coated surface of said resin composition in a tamping action with said coated implement and, allowing the tamped, coated resin composition to cure.
Claim 22
Independent Claim 82 words
A method for producing a simulated stone surface comprising, applying a curable synthetic resin composition to a substrate, applying a thin coating of fine particulate material to the surface of said composition to saturate the surface of the composition with fine particulate material such that the surface is non-tacky, coating an implement with said fine particulate material, contacting said coated surface of said resin composition in a tamping action with said coated implement and, allowing the tamped, coated resin composition to cure.
Claim 23
Dependent Claim 40 words
A method for producing a simulated stone surface as claimed in claim 19 wherein said implement is coated with said fine particulate material by dampening a surface of said implement and contacting said dampened surface with said fine particulate material.
Claim 24
Dependent Claim 22 words
A method for producing a simulated simulated stone surface as claimed in claim 20 wherein the surface of said implement is cloth.
Claim 25
Dependent Claim 73 words
A simulated stone product comprising, a substrate having a surface, a curable synthetic resinous composition applied to said surface, and a thin layer of fine particulate material applied to saturate the surface of the composition and contacted in a tamping action with an implement capable of carrying particles to ensure that said coated surface is completely covered with said fine particulate material before said composition cures to produce a coated surface simulating stone.
Claim 26
Dependent Claim 73 words
A simulated stone product comprising, a substrate having a surface, a curable synthetic resinous composition applied to said surface, and a thin layer of fine particulate material applied to saturate the surface of the composition and contacted in a tamping action with an implement capable of carrying particles to ensure that said coated surface is completely covered with said fine particulate material before said composition cures to produce a coated surface simulating stone.
Claim 27
Dependent Claim 24 words
A simulated stone product as claimed in claim 22 wherein said fine particulate material has an average particle size between 30 and 325 grit.
Claim 28
Dependent Claim 16 words
A simulated stone product as claimed in claim 23 wherein said fine particulate material is silica.
Claim 29
Dependent Claim 89 words
A simulated stone product comprising, a substrate having a surface, a curable synthetic resin composition applied to said surface to product a coating surface, a color pigment applied to the coated surface, and a thin layer of fine particulate material applied to saturate the coated surface of the composition and contacted in a tamping action with an implement capable of carrying particles to ensure that said coated surface is completely covered with said fine particulate material before the curable synthetic resin composition cures to produce a surface simulating stone.
Claim 30
Dependent Claim 89 words
A simulated stone product comprising, a substrate having a surface, a curable synthetic resin composition applied to said surface to product a coating surface, a color pigment applied to the coated surface, and a thin layer of fine particulate material applied to saturate the coated surface of the composition and contacted in a tamping action with an implement capable of carrying particles to ensure that said coated surface is completely covered with said fine particulate material before the curable synthetic resin composition cures to produce a surface simulating stone.
Claim 31
Dependent Claim 31 words
A simulated stone product as claimed in claim 25 wherein said fine particulate material is translucent after it is applied to the coated surface and the curable synthetic resin composition cures.
Claim 32
Dependent Claim 24 words
A simulated stone product as claimed in claim 26 wherein said fine particulate material has an average particle size ranging from 30 to 325.
Claim 33
Dependent Claim 17 words
A simulated stone product as claimed in claim 27 wherein said fine particulate material is talcum powder.

References Cited (Backward Citations)

US1862875A Cited
US2701774A Cited
GB844476A Cited
US2953469A Cited
US3341396A Cited
US3773886A Cited
US3836619A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-03-29 1991-09-28 1992-03-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-03-29 1995-09-28 1996-03-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-03-29 1999-09-28 2000-03-29 $7700.00 Window Closed / Lapsed

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