US5282900A — Nonwoven surface treating articles, system includ…

Claim 1

Independent Claim 77 words

A nonwoven surface treating article suitable for treating stone surfaces comprised of calcium carbonate with crystallizing chemicals to improve the gloss thereof the article comprising an open, lofty, three-dimensional nonwoven web comprising a plurality of thermoplastic organic fibers, a binder which adheres said fibers at points of mutual contact, and abrasive particles adherently bonded to the fibers by said binder, the abrasive particles having an average particle diameter ranging from about 0.1 micrometer to about 9 micrometers.

Claim 2

Dependent Claim 77 words

A nonwoven surface treating article suitable for treating stone surfaces comprised of calcium carbonate with crystallizing chemicals to improve the gloss thereof the article comprising an open, lofty, three-dimensional nonwoven web comprising a plurality of thermoplastic organic fibers, a binder which adheres said fibers at points of mutual contact, and abrasive particles adherently bonded to the fibers by said binder, the abrasive particles having an average particle diameter ranging from about 0.1 micrometer to about 9 micrometers.

Claim 3

Dependent Claim 26 words

The article of claim 1 wherein said fibers are selected from the group consisting of stuffer-box crimped fibers, helically crimped fibers, melt-bondable fibers, and combinations thereof.

Claim 4

Dependent Claim 64 words

The article of claim 2 wherein said stuffer-box fibers and helically crimped fibers comprise polymers selected from the group consisting of polyester, rayon, nylon, and wherein the melt-bondable fibers comprise a first component comprising an oriented, crimpable, at least partially crystallized polymer, and adhering to the surface of said first component a second component which comprises a compatible blend of polymers, and combinations thereof.

Claim 5

Dependent Claim 19 words

The article of claim 2 wherein the melt-bondable fibers comprise up to about 50 weight percent of the web.

Claim 6

Dependent Claim 24 words

The article of claim 3 wherein the web comprises helically crimped polyethylene terephthalate polyester staple fibers and wherein the melt-bondable fiber comprises a polyester.

Claim 7

Dependent Claim 54 words

The abrasive article of claim 1 wherein the abrasive particles comprise materials selected from the group consisting of silicon carbide, fused aluminum oxide, heat treated fused aluminum oxide, alumina zirconia, cubic boron nitride, garnet, pumice, sand, emery, mica, corundum, quartz, diamond, boron carbide, fused alumina, sintered alumina, alpha alumina-based ceramic material, and combinations thereof.

Claim 8

Dependent Claim 22 words

The abrasive article of claim 1 wherein the web has a non-compressed thickness ranging from about 0.5 cm to about 4.0 cm.

Claim 9

Dependent Claim 31 words

The abrasive article of claim 1 wherein the fibers have a denier ranging from about 15 to about 200, and a length ranging from about 2.0 cm to about 4.0 cm.

Claim 10

Dependent Claim 21 words

The abrasive article of claim 2 wherein the helically crimped fibers have from about 1 to about 25 crimps per mm.

Claim 11

Dependent Claim 60 words

An abrasive article in accordance with claim 1 wherein the binder comprises an organic material comprising polymers selected from the group consisting of phenolic resins, acrylic-based resins, melamine resins, urea-aldehyde resins, and a latex comprising the copolymerization product of at least one non-functionalized monoethylenically unsaturated monomer, at least one diethyleneically unsaturated monomer, and at least one functionalized monoethylenically unsaturated monomer.

Claim 12

Dependent Claim 76 words

An abrasive article in accordance with claim 10 wherein the non-functionalized monoethylenically unsaturated monomer comprises styrene, the diethylenically unsaturated monomer comprises butadiene, and the functionalized monoethylenically unsaturated monomer is selected from the group consisting of monomers having the general formula R 1 R 2 C═CR 3 COOH and anhydrides thereof, wherein R 1 and R 2 are independently selected from H and CH 3 , and R 3 is selected from H, CH 3 and COOH.

Claim 13

Dependent Claim 23 words

An abrasive article in accordance with claim 11 wherein the non-functionalized monoethylenically unsaturated monomer is styrene and said diethylenically unsaturated monomer is butadiene.

Claim 14

Dependent Claim 23 words

An abrasive article in accordance with claim 12 wherein the mole percent of styrene ranges from about 50 percent to about 80 percent.

Claim 15

Dependent Claim 20 words

An abrasive article in accordance with claim 1 wherein the fibers comprise nylon and the binder comprises a phenolic resin.

Claim 16

Independent Claim 102 words

A system for polishing and/or crystallizing surfaces comprised of calcium carbonate, such as marble floors, the system comprising: (a) An abrasive article comprising an open, lofty, three-dimensional non-woven web comprising a plurality of thermoplastic organic fibers, a binder which adheres said fibers at points of mutual contact, and abrasive particles adherently bonded to the fibers by said binder, the abrasive particles having an average particle diameter ranging from about 0.1 micrometer to about 30 micrometers; and (b) an acidic crystallization agent comprising a chemical capable of reacting with the calcium in the surface comprising calcium carbonate to produce an insoluble calcium salt.

Claim 17

Independent Claim 102 words

A system for polishing and/or crystallizing surfaces comprised of calcium carbonate, such as marble floors, the system comprising: (a) An abrasive article comprising an open, lofty, three-dimensional non-woven web comprising a plurality of thermoplastic organic fibers, a binder which adheres said fibers at points of mutual contact, and abrasive particles adherently bonded to the fibers by said binder, the abrasive particles having an average particle diameter ranging from about 0.1 micrometer to about 30 micrometers; and (b) an acidic crystallization agent comprising a chemical capable of reacting with the calcium in the surface comprising calcium carbonate to produce an insoluble calcium salt.

Claim 18

Dependent Claim 16 words

A system in accordance with claim 15 wherein the acidic crystallization agent comprises a hexafluorosilicate salt.

Claim 19

Dependent Claim 15 words

A system in accordance with claim 15 wherein the acidic crystallization agent comprises oxalic acid.

Claim 20

Independent Claim 121 words

A system for polishing and/or crystallizing surfaces comprised of calcium carbonate, such as marble floors, the system comprising: (a) an abrasive article comprising an open, lofty, three-dimensional non-woven web comprising a plurality of thermoplastic organic fibers selected from the group consisting of stuffer box crimped fibers, helically crimped fibers, melt-bondable fibers, and combinations thereof, a binder which adheres said fibers at points of mutual contact, and abrasive particles adherently bonded to the fibers by said binder, the abrasive particles having an average particle diameter ranging from about 0.1 micrometer to about 30 micrometers; and (b) an acidic crystallization agent comprising a chemical capable of reacting with the calcium in the surface comprised of calcium carbonate to produce an insoluble calcium salt.

Claim 21

Independent Claim 121 words

A system for polishing and/or crystallizing surfaces comprised of calcium carbonate, such as marble floors, the system comprising: (a) an abrasive article comprising an open, lofty, three-dimensional non-woven web comprising a plurality of thermoplastic organic fibers selected from the group consisting of stuffer box crimped fibers, helically crimped fibers, melt-bondable fibers, and combinations thereof, a binder which adheres said fibers at points of mutual contact, and abrasive particles adherently bonded to the fibers by said binder, the abrasive particles having an average particle diameter ranging from about 0.1 micrometer to about 30 micrometers; and (b) an acidic crystallization agent comprising a chemical capable of reacting with the calcium in the surface comprised of calcium carbonate to produce an insoluble calcium salt.

Claim 22

Independent Claim 135 words

A method of treating a surface comprised of calcium carbonate, said method comprising: (a) applying an acidic crystallization agent either to said surface or to a nonwoven surface treating article, or both the surface and the article, the acidic crystallization agent comprising a chemical capable of reacting with the calcium in the calcium in the surface to produce an insoluble calcium salt, the nonwoven surface treating article comprising an open, lofty, three-dimensional nonwoven abrasive web comprising a plurality of thermoplastic organic fibers, a binder, and abrasive particles having an average particle diameter ranging from about 0.1 micrometer to about 30 micrometers; and (b) contacting said nonwoven surface treating article with said surface while creating relative movement between the surface and the nonwoven surface treating article, thereby producing a durable, high gloss finish on the surface.

Claim 23

Independent Claim 135 words

A method of treating a surface comprised of calcium carbonate, said method comprising: (a) applying an acidic crystallization agent either to said surface or to a nonwoven surface treating article, or both the surface and the article, the acidic crystallization agent comprising a chemical capable of reacting with the calcium in the calcium in the surface to produce an insoluble calcium salt, the nonwoven surface treating article comprising an open, lofty, three-dimensional nonwoven abrasive web comprising a plurality of thermoplastic organic fibers, a binder, and abrasive particles having an average particle diameter ranging from about 0.1 micrometer to about 30 micrometers; and (b) contacting said nonwoven surface treating article with said surface while creating relative movement between the surface and the nonwoven surface treating article, thereby producing a durable, high gloss finish on the surface.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1997-01-31	1997-08-02	1998-02-01	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2001-01-31	2001-08-02	2002-02-01	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2005-01-31	2005-08-02	2006-02-01	$7700.00	Window Closed / Lapsed

Nonwoven surface treating articles, system including same, and method of treating calcium carbonate-containing surfaces with said system

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